delphi 监测某音新增评论以及解决x-bogus签名验证（2023-11-5）

一、工作原理及流程：

1、从aweme接口取得aweme评论总数量；
2、与之前的数量比较，如果有新增评论；
3、从comment评论接口统计评论以及评论回复数量，得出新增评论数量；
4、按时间排序评论，找出新增评论；
5、如果有新增评论，通过微信公众号发送消息到手机通知。

二、技术要点：

1、采集当前数据与历史数据比较，从而得到是否有新增评论。

三、功能模块

1、采集aweme评论总量

~~~:byc6352
function TAweme.getBogusUrl(url:string):string;
var
  json:TJSONObject;
  data:string;
begin
  result:='';
try
  json:=TJSONObject.Create;
  json.AddPair('url',url);
  json.AddPair('user_agent',USER_AGENT);
  data:=json.ToString;
  log.i(data);
  data:=getPostResult(data);
  log.i(data);
  if(data='')then exit;
  json:=TJSONObject.ParseJSONValue(data) as TJSONObject;
  result:=json.GetValue('param').Value;
finally
  json.Free;
end;
end;

//------------------------------------------working-------------------------------------------------
//主要工作流程
procedure TAweme.working();
var
  bRet:boolean;
  args,js,api_url:string;
begin
try
try
  bRet:=false;
  api_url:=format(DOUYIN_API_URL,[Faweme_id]);
  api_url:=getBogusUrl(api_url);    //具有X-Bogus验证的视频接口  多了这一步骤。
  Log.i('TAweme.working',api_url);
  js:=getDataFromAPI(api_url,Fcookie);
  if(js='')then begin  log.e('TAweme working','js=失败;aweme_id='+Faweme_id);exit;end;
  if(pos('aweme_detail',js)<=0)then begin  log.e('aweme working','js=失败;note_id='+Faweme_id+js);exit;end;
  if(not parsedata(js))then exit;
  Fsuccess:=true;
  sleep(2000);
except
      on E: Exception do
      begin
        Log.e('TAweme working err失败;','note_id='+Faweme_id+#13#10+e.Message);
      end;
end;
finally
  if(Fsuccess)then
  begin
    SendMessage(Fform,wm_data,3,integer(self));    //发送成功消息
  end else begin
    SendMessage(Fform,wm_data,4,integer(self));    //发送失败消息
  end;

end;
end;

//发送GET请求，带上cookie,refer参数；到这一步，已经能拿到"aweme_detail"  json数据了。
function TAweme.getDataFromAPI(apiurl,Cookie:string):string;
var
  client: TNetHTTPClient;
  ss: TStringStream;
  s,id:string;
  AResponse:IHTTPResponse;
  i:integer;
begin
try
  client := TNetHTTPClient.Create(nil);
  SS := TStringStream.Create('', TEncoding.UTF8);
  ss.Clear;
  with client do
  begin
    ConnectionTimeout := 10000; // 10秒
    ResponseTimeout := 10000; // 10秒
    AcceptCharSet := 'utf-8';
    UserAgent := USER_AGENT; //1   USER_AGENT      USER_AGENT_PHONE_2
    client.AllowCookies:=true;
    client.HandleRedirects:=true;
    Accept:='application/json'; //'*/*'
    client.ContentType:='application/json'; //2
    client.AcceptLanguage:='zh-CN';

    client.CustomHeaders['Cookie'] := cookie;
    client.CustomHeaders['Referer'] := REFER_URL;
    try
        AResponse:=Get(apiurl, ss);
        result:=ss.DataString;
    except
      on E: Exception do
        Log.e('TAweme.getDataFromAPI',e.Message);

    end;
  end;
finally
  ss.Free;
  client.Free;
end;

end;
//解析json数据
function TAweme.parseData(data:string):boolean;
var
  json,j1,j2:TJSONObject;
  ja,ja1:TJSONArray;
begin
  json:=nil;
  result:=false;
try
try
  json := TJSONObject.ParseJSONValue(data) as TJSONObject;
  if json = nil then exit;

  j1:=json.GetValue('aweme_detail') as TJSONObject;

  if(not jsonExist(j1,'statistics'))then
  begin
    log.e('TAweme.parseData',data);
    exit;
  end;

  j2:=j1.GetValue('statistics') as TJSONObject;

  Fcomment_count:=strtoint(j2.GetValue('comment_count').Value);

  result:=true;
except
  on e:Exception do
  begin
    log.e('TAweme.parseData',e.Message+#13#10+data);
  end;
end;
finally
  if(json<>nil)then json.Free;
end;
end;

end.

2、采集评论数据

unit uComment;

interface
uses
  windows,classes,System.Net.URLClient, System.Net.HttpClient, System.Net.HttpClientComponent,
  System.SysUtils,strutils,uLog,System.RegularExpressions,uFuncs,system.JSON,uConfig,
  NetEncoding,ComObj,ActiveX,Clipbrd;
const
  wm_user=$0400;
  wm_data=wm_user+100+1;
  //评论接口
  DY_COMMON_API:string='https://www.douyin.com/aweme/v1/web/comment/list/?device_platform=webapp&aid=6383&channel=channel_pc_web&aweme_id=%s&cursor=%s&count=20&item_type=0&insert_ids=&whale_cut_token=&cut_version=1&rcFT=&pc_client_type=1'+
  '&version_code=170400&version_name=17.4.0&cookie_enabled=true&screen_width=1536&screen_height=864&browser_language=zh-CN&browser_platform=Win32&browser_name=Chrome&browser_version=118.0.0.0'+
  '&browser_online=true&engine_name=Blink&engine_version=118.0.0.0&os_name=Windows&os_version=10&cpu_core_num=8&device_memory=8&platform=PC&downlink=1.45&effective_type=3g&round_trip_time=950&webid=7119735414450456103&msToken=';
  //子评论接口
  DY_MORE_COMMON_API:string='https://edith.xiaohongshu.com/api/sns/web/v2/comment/sub/page?note_id=%s&root_comment_id=%s&num=10&cursor=%s';
  DY_COMMON_REFER:string='https://www.douyin.com/';
  //1.工作流程；2.构造参数；3.请求数据；4.解析数据；
type
  pCountInfo=^TCountInfo;    //评论统计数据
  TCountInfo=record
    Faweme_id:string;             //笔记ID
    Fcomment_count:integer;         //评论数量
    Fsub_comment_count:integer;     //子评论数量

  end;
  TCountData=class
    private
      Faweme_id:string;
      Ftotal_count:integer;
      Fcomment_count:integer;
      Fsub_comment_count:integer;
      procedure set_aweme_id(aweme_id:string);
      procedure set_comment_count(comment_count:integer);
      procedure set_sub_comment_count(sub_comment_count:integer);
      //procedure set_total_count(total_count:integer);

    public
      property aweme_id:string read Faweme_id write set_aweme_id;
      property comment_count:integer read Fcomment_count write set_comment_count;
      property sub_comment_count:integer read Fsub_comment_count write  set_sub_comment_count;
      //property total_count:integer read Ftotal_count write  set_total_count;

     constructor Create(aweme_id:string;total_count,comment_count,sub_comment_count:integer);
     destructor Destroy;
  end;
 /// <summary>取评论数据,分条保存至文本文件，返回评论总数量，评论数量，评论回复数量</summary>
  TComment=class(TThread)
   private
     FId:cardinal;
     Faweme_id,Ftitle:string;
     Fhasmore,Fcursor:string;   //Fhasmore是否还有评论数据，Fcursor下一篇评论指针
     Fcomm:string;            //
     FCountInfo:TCountInfo;     //评论统计数据
     Fcomment_count,Fsub_comment_count,Ftotal:integer;
     Fcomments:tstringlist;    //评论列表
     Fsuccess:boolean;

     class var Fform: HWND;
     class var Fcookie: string;       //访问接口需要的cookie
     class procedure SetForm(const hForm: HWND); static;
     class procedure SetCookie(const cookie: string); static;
     procedure parseData(data:string);                         //解析评论数据
     function JsonExist(parent:TJSONObject;child:string):boolean;          //json节点是否存在
     function getMstoken(cookie:string):string;
     function getPostResult(url,data:string):string;                                //post
     function getBogusUrl(url:string):string;                                         //构造x-bogus签名url
   protected
     procedure Execute; override;
   public
     constructor Create(id:cardinal;aweme_id:string);
     destructor Destroy;
     property id:cardinal read FId;
     class property form: HWND read Fform write SetForm;
     class property cookie: string read Fcookie write SetCookie;
     property comment_count:integer read Fcomment_count;            //评论数量
     property sub_comment_count:integer read Fsub_comment_count;   //子评论数量
     property total:integer read Ftotal;                           //总评论数量
     property aweme_id:string read Faweme_id;
     property success:boolean read Fsuccess;
     procedure working();    //工作流程
     function getDataFromRequest(aweme_id,cursor:string):string;            //采集数据
     function GetRelativeUrl(url:string):string;                  //接口相对链接
     function getRequestResult(api_url,Cookie:string):string;  //get获取接口数据
  end;






implementation

//----------------------------------------------------------------------------------
//传入线程id号，笔记id
constructor TComment.Create(id:cardinal;aweme_id:string);
var
  line:string;
begin
  //inherited;
  //FreeOnTerminate := True;
  inherited Create(True);
  FId:=id;
  Faweme_id:=aweme_id;
  Fhasmore:='0';
  Fsuccess:=false;
  Fcomments:=tstringlist.Create;
  //FnewComments:=tstringlist.Create;
end;
destructor TComment.Destroy;
begin
  inherited Destroy;
  Fcomments.Free;
  //FnewComments.Free;
end;
//在子线程中运行
procedure TComment.Execute;
begin
  working();
end;
//主要工作流程
procedure TComment.working();
var

  js,apiurl,relativeurl:string;
  i:integer;
  cursor,comment_id,line:string;
  count:integer;
begin
try
try

  log.i('comment start');
  js:=getDataFromRequest(Faweme_id,'0');
  log.i(js);
  if(js='')then begin  log.e('comment.working.js=失败;','aweme_id='+Faweme_id);exit;end;
  if(pos('comments',js)<=0)then
  begin
    log.e('comment.working.js失败;','aweme_id='+Faweme_id+js);
    exit;
  end;
  parseData(js);
  sleep(2000);                                            //解析评论数据
  while Fhasmore='1' do                                   //如果还有评论，继续抓取
  begin
    js:=getDataFromRequest(Faweme_id,Fcursor);
    if(js='')then begin log.e('comment.working.js=失败;','aweme_id='+Faweme_id);exit;end;
    if(pos('comments',js)<=0)then  begin log.e('comment.working.js失败;','aweme_id='+Faweme_id+js);exit;end;
    //log(js);
    parseData(js);
    sleep(2000);
  end;


  Fsub_comment_count:=Ftotal-Fcomment_count;  //子评论
  Fcomments.Sorted:=False;
  Fcomments.CustomSort(TimeCompareInt); //      根据评论时间，排序评论
  Fcomments.SaveToFile(uconfig.savedir+'\'+Faweme_id+'.txt',Tencoding.UTF8);//保存至文本文件

  Fsuccess:=true;
except
      on E: Exception do
      begin
        log.e('TComment.working err失败:',e.Message);
      end;
end;
finally
  if(Fsuccess)then
  begin
    SendMessage(Fform,wm_data,1,integer(self));    //发送成功消息
  end else begin
    SendMessage(Fform,wm_data,2,integer(self));    //发送失败消息
  end;
  //self.Free;
end;
end;
//采集数据
function TComment.getDataFromRequest(aweme_id,cursor:string):string;
var
  url,mstoken,res:string;
begin
  url:=format(DY_COMMON_API,[aweme_id,cursor]);
  mstoken:=getMstoken(Fcookie);
  url:=url+mstoken;
  url:=getBogusUrl(url);
  result:=getRequestResult(url,Fcookie);

end;



function TComment.getPostResult(url,data:string):string;
var
  client: TNetHTTPClient;
  ss,args: TStringStream;
begin
  result:='';
try
  client := TNetHTTPClient.Create(nil);
  SS := TStringStream.Create('', TEncoding.UTF8);
  ss.Clear;
  args := TStringStream.Create(data, TEncoding.UTF8);
  with client do
  begin
    ConnectionTimeout := 10000; // 2秒
    ResponseTimeout := 10000; // 10秒
    AcceptCharSet := 'utf-8';
    UserAgent := USER_AGENT; //1
    client.AllowCookies:=true;
    client.HandleRedirects:=true;
    Accept:='*/*';
    client.ContentType:='application/json'; //2

    //client.CustomHeaders['Cookie'] := KUAISHOU_COOKIES;
    //client.CustomHeaders['Referer'] := Furl;
    //client.h
    client.Post(url,args,ss);
    result:=ss.DataString;
  end;
finally
  ss.Free;
  args.Free;
  client.Free;
end;
end;

//采集数据
function TComment.getRequestResult(api_url,Cookie:string):string;
var
  client: TNetHTTPClient;
  ss: TStringStream;
  s,id:string;
  AResponse:IHTTPResponse;
  i:integer;
begin
  result:='';
try
  client := TNetHTTPClient.Create(nil);
  SS := TStringStream.Create('',TEncoding.UTF8); //TEncoding.UTF8
  ss.Clear;
  with client do
  begin
    ConnectionTimeout := 30000; // 30秒
    ResponseTimeout := 30000; // 30秒
    AcceptCharSet := 'utf-8';
    UserAgent := USER_AGENT; //1
    client.AllowCookies:=true;
    client.HandleRedirects:=true;
    Accept:='application/json, text/plain, */*'; //'*/*'
    client.ContentType:='application/json'; //2
    client.AcceptLanguage:='zh-CN,zh;q=0.9';
    //client.AcceptEncoding:='gzip, deflate, br';
    client.CustomHeaders['Cookie'] := Fcookie;
    client.CustomHeaders['Referer'] := DY_COMMON_REFER;
    client.CustomHeaders['Sec-Ch-Ua'] :='"Chromium";v="118", "Google Chrome";v="118", "Not=A?Brand";v="99"';
    client.CustomHeaders['Sec-Ch-Ua-Mobile'] :='?0';
    client.CustomHeaders['Sec-Ch-Ua-Platform'] :='"Windows"';
    client.CustomHeaders['Sec-Fetch-Dest'] :='empty';
    client.CustomHeaders['Sec-Fetch-Mode'] :='cors';
    client.CustomHeaders['Sec-Fetch-Site'] :='same-origin';
    try
        AResponse:=Get(api_url, ss);
        if(AResponse.StatusCode=200)then
        begin
          result:=ss.DataString;
        end else begin
          Log.e('getRequestResult err失败:',inttostr(AResponse.StatusCode)+':'+ss.DataString);
        end;
    except
      on E: Exception do
      begin
        log.e('getRequestResult err失败:',e.Message);
      end;
    end;
  end;
finally
  ss.Free;
  client.Free;
end;

end;
//解析评论json数据
procedure TComment.parseData(data:string);
var
  json,j1,j2,j3,j4,j5:TJSONObject;
  ja,ja1,sub_comments:TJSONArray;
  nickname:string;
  videoType:string;
  i,j,sub_comment_count_i:integer;
  aweme_id:string;
  sub_comment_has_more,user_id,content,line:string;
  comment_id,sub_comment_cursor,sub_comment_count:string;
  create_time:string;

  status_code:string;
begin
try
try
  json := TJSONObject.ParseJSONValue(data) as TJSONObject;
  if json = nil then exit;

  status_code:=json.GetValue('status_code').value;
  if(status_code<>'0')then
  begin
    log.e('comment.parseData error',status_code+#13#10+data);
    exit;
  end;
  Fcursor:=json.GetValue('cursor').Value;

  Fhasmore:=json.GetValue('has_more').Value;       //该字段表示 是否还有评论

  Ftotal:=strtoint(json.getvalue('total').value);

  //if(not JsonExist(j1,'cursor'))then exit;        //评论指针
  ja:=json.GetValue('comments') as TJSONArray;       //评论列表

  Fcomment_count:=Fcomment_count+ja.Size;          //评论统计
  for I := 0 to ja.Size-1 do
  begin
    j1:=ja.Get(i) as TJSONObject;

    content:=j1.GetValue('text').Value;             //评论内容

    create_time:=j1.GetValue('create_time').Value;     //评论创建时间（javascript时间)

    sub_comment_count:=j1.GetValue('reply_comment_total').Value;
    Fsub_comment_count:=Fsub_comment_count+strtoint(sub_comment_count);


    j2:=j1.GetValue('user') as TJSONObject;

    user_id:=j2.GetValue('sec_uid').Value;            //评论者ID

    nickname:=trim(j2.GetValue('nickname').Value);          //评论者昵称
    nickname:=stringreplace(nickname,'''','',[rfreplaceall]);

    line:=uFuncs.getTime(uFuncs.GetTime_DateTime(create_time+'000'))+'  '+user_id+'  '+nickname+'  '+content;

    Fcomments.Add(line);                              //评论列表


   end;
except
  on e:Exception do
  begin
    log.e('comment.parseData error=',e.Message+#13#10+data);
  end;
end;

finally
  if(json<>nil)then json.Free;
end;
end;
//从cookie中获取mstoken令牌
function TComment.getMstoken(cookie:string):string;
var
  m:tmatch;
begin
  result:='';
  m:=Tregex.Match(cookie,'msToken=(.*?);');
  if(m.Success)and(m.Groups.Count>1)then
    result:=m.Groups.Item[1].Value;
end;
//取相对链接
function TComment.GetRelativeUrl(url:string):string;
var
  i:integer;
  s:string;
begin
  result:='';
  if(url='')then exit;
  i:=pos('//',url);
  if(i<=0)then exit;
  s:=rightstr(url,length(url)-i-2);
  i:=pos('/',s);
  if(i<=0)then exit;
  s:=rightstr(s,length(s)-i+1);
  result:=s;
end;
//判断节点是否存在
function TComment.JsonExist(parent:TJSONObject;child:string):boolean;
var
  i:integer;
  keyname:string;
begin
  result:=false;
  if(parent=nil)then exit;
  for i:=0 to parent.count-1 do
  begin
    keyname:=parent.Get(i).JsonString.toString;
    keyname:=midstr(keyname,2,length(keyname)-2);
   if(keyname=child)then
   begin
     result:=true;
     exit;
   end;
end;
end;
//------------------------------------------属性方法-------------------------------------

 class procedure TComment.SetForm(const hForm: HWND);
 begin
   Fform:=hForm;
 end;
 class procedure TComment.SetCookie(const cookie: string);
 begin
   Fcookie:=cookie;
 end;




//-------------------------------------------------------------------------------------------------------
//评论统计构造方法
constructor TCountData.Create(aweme_id:string;total_count,comment_count,sub_comment_count:integer);
begin
  inherited Create;
  Faweme_id:=aweme_id;
  //Ftotal_count:=total_count;
  Fcomment_count:=comment_count;
  Fsub_comment_count:=sub_comment_count;
end;
destructor TCountData.Destroy;
begin
  inherited Destroy;
end;
procedure TCountData.set_aweme_id(aweme_id:string);
begin
  Faweme_id:=aweme_id;
end;
procedure TCountData.set_comment_count(comment_count:integer);
begin
  Fcomment_count:=comment_count;
end;
procedure TCountData.set_sub_comment_count(sub_comment_count:integer);
begin
  Fsub_comment_count:=sub_comment_count;
end;



end.

3、业务流程

unit uMainForm;

interface

uses
  Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
  Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.ComCtrls, Vcl.StdCtrls, Vcl.ExtCtrls, dateutils,
  uConfig,uLog,uFuncs,uNethelper,uCommentCount,system.JSON,uAuth,Clipbrd,uFeed,shellapi,strutils,
  uAweme,uComment;

type
  TFMainForm = class(TForm)
    Panel1: TPanel;
    btnStart: TButton;
    btnClose: TButton;
    Page1: TPageControl;
    tsAweme: TTabSheet;
    tsInfo: TTabSheet;
    Bar1: TStatusBar;
    memoNoteId: TMemo;
    memoInfo: TMemo;
    Timer1: TTimer;
    Label1: TLabel;
    edtInterval: TEdit;
    Label2: TLabel;
    Button1: TButton;
    procedure FormResize(Sender: TObject);
    procedure btnCloseClick(Sender: TObject);
    procedure FormShow(Sender: TObject);
    procedure btnStartClick(Sender: TObject);
    procedure Timer1Timer(Sender: TObject);
    procedure FormCreate(Sender: TObject);
    procedure Button1Click(Sender: TObject);
    procedure FormClose(Sender: TObject; var Action: TCloseAction);
  private
    { Private declarations }
    mSaved:boolean;                                          //是否保存
    mCommentCountList:TList;                           //评论列表
    mHasmore:boolean;                                     //是否还需要采集
    mIndex:integer;                                             //采集序号
    procedure LoadDataFromFile(filename:string;bUpdate:boolean);
    procedure SaveDataToFile(filename:string);
    procedure DataMsg(var aMessage:Tmessage);message wm_data;            //接收并处理线程消息
    function CommentMonitor(aweme_id:string;total_count:integer):boolean;overload;          //评论监测（总数量）
    procedure CommentMonitor(aweme_id:string;comment_count,sub_comment_count:integer); overload; //评论监测（评论与评论回复）
    procedure initCommentMonitor(aweme_id_list:tstrings);              //初始化监测
    procedure updateCommentMonitor(aweme_id:string;comment_count,sub_comment_count:integer);
    function getNewComment(aweme_id:string;count:integer):string;     //取新增评论
    procedure getData(i:integer);                                                            //逐条采集数据（评论与评论回复）
    procedure SendWechat(msg:string);                                               //新增评论发送至手机
    function formatComment(comment,aweme_id:string):string;               //格式化评论数据
    procedure getCount(i:integer);                                                       //逐条采集数据（评论总数量）

  public
    { Public declarations }
  end;

var
  FMainForm: TFMainForm;

implementation

{$R *.dfm}
//格式化数据
function TfMainForm.formatComment(comment,aweme_id:string):string;
const
  USER_URL='https://www.douyin.com/user/';
  AWEMA_RUL='https://www.douyin.com/video/';
var
  ss:tstringlist;
  count:integer;
  url,note_url,tmp:string;
  i:integer;
begin
  result:='';
try
try
  ss:=tstringlist.create;
  tmp:=trim(comment);
  //tmp:=stringreplace(tmp,'"','',[rfreplaceall]);
  count:=extractStrings([' '],[' '],pchar(tmp),ss);
  if(count<5)then
  begin
    log.e(ss.text);
    ss.Clear;

    i:=pos(' ',tmp);
    while(i>0)do
    begin
      ss.add(leftstr(tmp,i));
      delete(tmp,1,i);
      tmp:=trim(tmp);
      i:=pos(' ',tmp);
    end;
  end;
  url:=USER_URL+ss[2];
  note_url:=AWEMA_RUL+aweme_id;
  result:=ss[0]+' '+ss[1]+#13#10+'评论者昵称：'+ss[3]+#13#10+'评论内容：'+#13#10+ss[4]+#13#10+'主页链接：'+#13#10+url+#13#10+'视频链接：'+#13#10+note_url+#13#10;
except
  on e:exception do
  begin
    log.e('TfMainForm.formatComment','comment='+comment+#13#10+'ss='+ss.text);
  end;
end;
finally
  ss.Free;
end;
end;

//发送至微信
procedure TFMainForm.SendWechat(msg:string);
begin
  if(uFuncs.GetProcessID(pansichar('WeChat.exe'))=0)then exit;
  //sleep(5000);
  Clipboard.Clear;//清空剪贴板
  Clipboard.AsText := msg;
  keybd_event(VK_CONTROL, MapVirtualKey(VK_CONTROL, 0), 0, 0);
  keybd_event(Ord('V'), MapVirtualKey(Ord('V'), 0), 0, 0);
  keybd_event(Ord('V'), MapVirtualKey(Ord('V'), 0), KEYEVENTF_KEYUP, 0);
  keybd_event(VK_CONTROL, MapVirtualKey(VK_CONTROL, 0), KEYEVENTF_KEYUP, 0);

  keybd_event(13, MapVirtualKey(13, 0), 0, 0);
  keybd_event(13, MapVirtualKey(13, 0), KEYEVENTF_KEYUP, 0);
end;

//逐条采集评论总数量
procedure TfMainForm.getCount(i:integer);
var
  aweme_id:string;
  countdata:Tcountdata;
  commentCount:TcommentCount;
  aweme:Taweme;
begin
  countdata:=mCommentCountList[i];
  aweme_id:=countdata.aweme_id;

  aweme:=Taweme.Create(i,aweme_id);
  if(uConfig.DEBUG)then aweme.working else
  aweme.start;

end;
//逐条采集评论数量及评论回复数量
procedure TfMainForm.getData(i:integer);
var
  aweme_id:string;
  countdata:Tcountdata;
  commentCount:TcommentCount;
begin
  countdata:=mCommentCountList[i];
  aweme_id:=countdata.aweme_id;
  commentCount:=TcommentCount.Create(i,aweme_id);
  if(uConfig.DEBUG)then commentCount.working else
    commentCount.start;
end;

//取新增评论
function TfMainForm.getNewComment(aweme_id:string;count:integer):string;
var
  filename,comment:string;
  ss:tstrings;
  i:integer;
begin
  result:='';
  filename:=uConfig.savedir+'\'+aweme_id+'.txt';
  if(not fileexists(filename))then exit;
try
  ss:=tstringlist.create;
  ss.LoadFromFile(filename,Tencoding.UTF8);
  if(ss.Text='')then exit;
  for I := ss.Count-1 downto 0 do
  begin
    //url:=getuserurl(ss[i]);
    //result:=result+ss[i]+#13#10+url+#13#10;
    comment:=formatComment(ss[i],aweme_id);
    if(comment='')then continue;
    result:=result+comment+#13#10;
    count:=count-1;
    if(count=0)then exit;
  end;
finally
  ss.Free;
end;
end;

//更新评论表数据
procedure TfMainForm.updateCommentMonitor(aweme_id:string;comment_count,sub_comment_count:integer);
var
  i:integer;
  countdata:Tcountdata;
begin
  if(mCommentCountList.Count=0)then exit;
  for I := 0 to mCommentCountList.Count-1 do
  begin
    countdata:=mCommentCountList[i];
    if(aweme_id=countdata.aweme_id)then
    begin
      countdata.comment_count:=comment_count;
      countdata.sub_comment_count:=sub_comment_count;
    end;
  end;

end;
//初始化评论
procedure TfMainForm.initCommentMonitor(aweme_id_list:tstrings);
var
  i,j:integer;
  aweme_id:string;
  countinfo:pCountInfo;
  countdata:Tcountdata;
begin
  if(aweme_id_list.Count=0)then exit;
  if(mCommentCountList.Count>0)then
  begin
    for I := 0 to mCommentCountList.Count-1 do
    begin
      countdata:=mCommentCountList[i];
      countdata.Free;
      //freemem(mCommentCountList[i]);
    end;
  end;
  mCommentCountList.Clear;
  for I := 0 to aweme_id_list.Count-1 do
  begin
    aweme_id:=aweme_id_list[i];
    //getmem(countinfo,sizeof(TCountInfo));
    countdata:=Tcountdata.Create(aweme_id,-1,-1,-1);
    //countinfo.aweme_id:=aweme_id;
    //countinfo.comment_count:=-1;
    //countinfo.sub_comment_count:=-1;
    mCommentCountList.Add(countdata);
  end;
  LoadDataFromFile(uConfig.commentcountfile,true);
end;
//以JSON格式保存评论统计信息
procedure TfMainForm.SaveDataToFile(filename:string);
var
  ss:tstrings;
  json,j1,j2:TJSONObject;
  ja:TJSONArray;
  i:integer;
  aweme_id,t:string;
  comment_count,sub_comment_count:integer;
  countdata:Tcountdata;
begin
try
  ss:=tstringlist.Create;
  json:=TJSONObject.Create;
  t:=FormatDateTime('yyyy-mm-dd hh:nn:ss:zzz', Now);
  json.AddPair('time',t);
  ja:=TJSONArray.Create;
  for I := 0 to mCommentCountList.Count-1 do
  begin
    countdata:=mCommentCountList[i];
    aweme_id:=countdata.aweme_id;
    j1:=TJSONObject.Create;
    j1.AddPair('aweme_id',aweme_id);
    j1.AddPair('comment_count',countdata.comment_count);
    j1.AddPair('sub_comment_count',countdata.sub_comment_count);
    ja.Add(j1);
  end;
  json.AddPair('commentcounts',ja);
  ss.Text:=json.ToString;
  ss.SaveToFile(filename,Tencoding.UTF8);
finally
  ss.Free;
  json.Free;
end;
end;
//加载历史数据
procedure TfMainForm.LoadDataFromFile(filename:string;bUpdate:boolean);
var
  ss:tstrings;
  json,j1,j2:TJSONObject;
  ja:TJSONArray;
  i:integer;
  aweme_id,line:string;
  comment_count,sub_comment_count:string;
begin
  if(mCommentCountList=nil)then
    mCommentCountList:=tlist.Create;
  if not fileexists(filename) then  exit;

try
  ss:=tStringlist.create;
  ss.LoadFromFile(filename,Tencoding.UTF8);
  json := TJSONObject.ParseJSONValue(ss.Text) as TJSONObject;
  if json = nil then exit;
  ja:=json.GetValue('commentcounts') as TJSONArray;
  for I := 0 to ja.Size-1 do
  begin
    j2:=ja.Get(i) as TJSONObject;
    aweme_id:=j2.GetValue('aweme_id').Value;
    comment_count:=j2.GetValue('comment_count').Value;
    sub_comment_count:=j2.GetValue('sub_comment_count').Value;
    if(bUpdate)then
    begin
      updateCommentMonitor(aweme_id,strtoint(comment_count),strtoint(sub_comment_count));
    end else begin
      memoNoteId.Lines.Add(aweme_id);
      line:=aweme_id+'评论数量：'+comment_count+'评论回复数量：'+sub_comment_count;
      memoInfo.Lines.Add(line);
      mSaved:=true;
    end;
  end;
finally
  ss.Free;
  if(json<>nil)then json.Free;
end;
end;
//定时监测
procedure TFMainForm.Timer1Timer(Sender: TObject);
var
  i:integer;
  aweme_id:string;
  countdata:Tcountdata;
  commentCount:TcommentCount;
begin
  page1.ActivePage:=tsInfo;
  memoInfo.Lines.Add(gettime()+'  开始抓取数据...');
  if(mCommentCountList.Count=0)then
  begin
    memoInfo.Lines.Add(gettime()+'  无aweme ID号');
    exit;
  end;
  timer1.Enabled:=false;
  mHasmore:=true;
  //getData(0);
  getCount(0);


end;

procedure TFMainForm.btnStartClick(Sender: TObject);
var
  i:integer;
  line:string;
begin
  if(btnstart.Caption='关闭监测')then
  begin
    timer1.Enabled:=false;
    SaveDataToFile(uConfig.commentcountfile);
    mSaved:=true;
    btnstart.Caption:='开始监测';
    bar1.Panels[1].Text:='已停止监测';
    memoInfo.Lines.Add(getTime()+'  停止监测');
    mHasmore:=false;
    mIndex:=0;
    exit;
  end;
  if(memonoteid.Lines.Count=0)then
  begin
    showmessage('请输入要监控的aweme id，一行一个！');
    memonoteid.SetFocus;
    exit;
  end;
  for I := 0 to memonoteid.Lines.Count-1 do
  begin
    line:=memonoteid.Lines[i];
    if length(line)<>19 then
    begin
      showmessage('aweme id输入错误！【'+line+'】');
      memonoteid.SetFocus;
      exit;
    end;
  end;
  initCommentMonitor(memonoteid.Lines);
  i:=strtoint(trim(edtInterval.Text))*1000;
  //timer1.Interval:=2*60*1000;//2*60*1000
  timer1.Interval:=i;
  timer1.Enabled:=true;
  btnstart.Caption:='关闭监测';
  mSaved:=false;
  memoInfo.Lines.Add(getTime()+'  监测开始...');
  timer1.OnTimer(sender);
  uAuth.addcount;
  bar1.Panels[1].Text:='正在监测...';

end;
///流程：取评论总数量，
///如果无评论数据，取评论数据，
///如果总数量增加，取具体评论数据，
///具体评论数量与原有值比较，如果增加，取新评论，显示。

/// <summary>判断是否新增评论，如果是，取评论数据</summary>
/// <param name="aweme_id">笔记ID</param>
/// <param name="total_count">评论总数量</param>
/// <returns>返回是否有新增评论</returns>
/// <remarks>如果是第一次取评论总数量，接着取评论具体数据</remarks>
function TfMainForm.CommentMonitor(aweme_id:string;total_count:integer):boolean;
var
  i:integer;
  countdata:Tcountdata;
  line,t,newcomment:string;
  count,old_total_count:integer;
  comment:Tcomment;
begin
  result:=false;
  for I := 0 to mCommentCountList.Count-1 do
  begin
    countdata:=mCommentCountList[i];
    if(countdata.aweme_id=aweme_id)then
    begin
      //第一次取评论数据
      old_total_count:=countdata.comment_count+countdata.sub_comment_count;
      if(old_total_count=-2)then   //如果没数据，取
      begin
        result:=true;
        comment:=Tcomment.Create(0,aweme_id);
        if(uConfig.DEBUG)then comment.working() else
            comment.start;
        exit;
      end;
      //有新增评论，取评论数据
      if(total_count>old_total_count)then
      begin
        result:=true;
        t:=FormatDateTime('yyyy-mm-dd hh:nn:ss:zzz', Now);
        line:=t+'  监测到aweme_ID='+aweme_id+'的评论数量有变化，原评论数量：'+inttostr(old_total_count)+'现评论数量：'+inttostr(total_count);
        memoInfo.Lines.Add(line);
        count:=total_count-old_total_count;
        if(count>0)then
        begin
          comment:=Tcomment.Create(0,aweme_id);
          //commentCount.NewCount:=count;
          if(uConfig.DEBUG)then comment.working() else
            comment.start;


        end;
        //page1.ActivePageIndex:=1;
        Winapi.Windows.beep(1000,600);
        exit;
      end;
    end;
  end;
end;



/// <summary>判断是否新增评论，如果是，取评论数据</summary>
/// <param name="aweme_id">笔记ID</param>
/// <remarks></remarks>
procedure TfMainForm.CommentMonitor(aweme_id:string;comment_count,sub_comment_count:integer);
var
  i:integer;
  countdata:Tcountdata;
  line,t,newcomment:string;
  count:integer;
begin
  for I := 0 to mCommentCountList.Count-1 do
  begin
    countdata:=mCommentCountList[i];
    if(countdata.aweme_id=aweme_id)then
    begin
      if(countdata.comment_count=-1)then
      begin
        countdata.comment_count:=comment_count;
        countdata.sub_comment_count:=sub_comment_count;
        t:=FormatDateTime('yyyy-mm-dd hh:nn:ss:zzz', Now);
        line:=t+'  aweme_ID='+aweme_id+'的评论数量：'+inttostr(comment_count)+'评论回复数量：'+inttostr(sub_comment_count);
        memoInfo.Lines.Add(line);
        continue;
      end;
      if(comment_count<>countdata.comment_count)then
      begin
        t:=FormatDateTime('yyyy-mm-dd hh:nn:ss:zzz', Now);
        line:=t+'  监测到aweme_ID='+aweme_id+'的评论数量有变化，原评论数量：'+inttostr(countdata.comment_count)+'现评论数量：'+inttostr(comment_count);
        memoInfo.Lines.Add(line);
        count:=comment_count-countdata.comment_count;
        if(count>0)then
        begin
          newcomment:=getNewcomment(aweme_id,count);
          if(newcomment<>'')then
          begin
            memoinfo.Lines.Add('新增评论为：');
            memoInfo.Lines.Add(newcomment);
            //sendwechat(newcomment);
            pushplus(newcomment);
          end;
        end;
        //page1.ActivePageIndex:=1;
        Winapi.Windows.beep(1000,600);
      end;
      if(sub_comment_count<>countdata.sub_comment_count)then
      begin
        t:=FormatDateTime('yyyy-mm-dd hh:nn:ss:zzz', Now);
        line:=t+'  监测到aweme_ID='+aweme_id+'的评论回复数量有变化，原评论回复数量：'+inttostr(countdata.sub_comment_count)+'现评论回复数量：'+inttostr(sub_comment_count);
        memoInfo.Lines.Add(line);
        //page1.ActivePageIndex:=1;
        Winapi.Windows.beep(1000,600);
      end;
      countdata.comment_count:=comment_count;
      countdata.sub_comment_count:=sub_comment_count;
      exit;
    end;
  end;
end;
//处理采集到的数据
procedure TfMainForm.DataMsg(var aMessage:Tmessage);
var
  msg,line:string;
  i,id:integer;
  comment:Tcomment;
  aweme_id:string;
  comment_count,sub_comment_count,total_count,newCount:integer;
  aweme:Taweme;
  newcomment:string;
  bRet:boolean;
begin
try
  //-------------------------------------------------------------------------
  if(aMessage.WParam=1)then  //tcommentcount返回结果
  begin
    comment:=Tcomment(aMessage.LParam);
    aweme_id:=comment.aweme_id;
    comment_count:=comment.comment_count;
    sub_comment_count:=comment.sub_comment_count;
    line:=getTime()+'  aweme_ID='+aweme_id+'评论统计完成：评论数量：'+inttostr(comment_count)+'子评论数量：'+inttostr(sub_comment_count);
    memoInfo.Lines.Add(line);
    CommentMonitor(aweme_id,comment_count,sub_comment_count);
  end;
  if(aMessage.WParam=2)then
  begin
    memoInfo.Lines.Add('(comment)抓取数据失败，请检查cookie');
  end;

  if(aMessage.WParam=3)then  //aweme返回结果
  begin
    aweme:=Taweme(aMessage.LParam);
    aweme_id:=aweme.aweme_id;
    total_count:=aweme.comment_count;

    line:=getTime()+'  aweme_ID='+aweme_id+'评论统计完成：评论总数量：'+inttostr(total_count);
    memoInfo.Lines.Add(line);
    bRet:=CommentMonitor(aweme_id,total_count);
    if(bRet)then exit;             //评论数量有变化
  end;

  if(aMessage.WParam=4)then
  begin
    memoInfo.Lines.Add('(aweme)抓取数据失败，请检查cookie');
  end;
  if(mHasMore)then
  begin
    mIndex:=mIndex+1;
    if(mIndex>=mCommentCountList.Count)then
    begin
     mIndex:=0;
     mHasmore:=false;
     if(btnStart.Caption='关闭监测')then
       timer1.Enabled:=true;
     SaveDataToFile(uConfig.commentcountfile);//及时保存数据
    end;
    if(mHasMore)then
    begin
      //getData(mIndex);
      getCount(mIndex);
    end;
  end;
finally

end;
end;
procedure TFMainForm.btnCloseClick(Sender: TObject);
begin
  if(not mSaved)then
    SaveDataToFile(uConfig.commentcountfile);
  close;
end;

procedure TFMainForm.FormClose(Sender: TObject; var Action: TCloseAction);
begin

end;

procedure TFMainForm.FormCreate(Sender: TObject);
begin

end;

procedure TFMainForm.FormResize(Sender: TObject);
begin
  btnStart.Top:=8;
  btnClose.Top:=8;
  label1.Top:=12;
  label2.Top:=12;
  edtInterval.Top:=10;

  btnClose.Left:=fMainform.Width-btnClose.Width;
  btnStart.Left:=fMainform.Width-btnClose.Width-btnStart.Width-8;
  label1.Left:=8;
  edtInterval.Left:=label1.Left+label1.Width+4;
  label2.Left:=edtInterval.Left+edtInterval.Width+4;
end;

procedure TFMainForm.FormShow(Sender: TObject);
var
  i:integer;
begin
  caption:=uConfig.APP_TITLE+uConfig.APP_VERSION; //+'  技术支持：'+uConfig.APP_CONTACT
  LoadDataFromFile(uConfig.commentcountfile,false);
  TCommentCount.form:=fmainForm.Handle;

  Tfeed.form:=fmainForm.Handle;
  Tfeed.cookie:=uConfig.cookie;

  page1.ActivePageIndex:=0;
  fmainform.Width:=1080;
  fmainform.Height:=800;
  if(uConfig.DEBUG)then button1.Visible:=true;

  Taweme.form:=fmainForm.Handle;
  taweme.cookie:=uconfig.cookie;

  Tcomment.form:=fmainForm.Handle;
  Tcomment.cookie:=uconfig.cookie;
end;


end.

4、功能函数

unit uFuncs;

interface
uses
  windows,sysutils,Clipbrd,WinInet,urlmon,shlobj,classes,System.RegularExpressions,StrUtils,ComObj,
  System.Net.HttpClientComponent,System.Net.httpclient,ioutils,dateutils,TLHelp32,shellapi,system.JSON;


  function getClipbrdText():string;
  function DownloadFile(SourceFile, DestFile: string): Boolean;
  function getUnique():string;
  function GetSpecialFolderDir(const folderid: integer): string;
  function UrlGetFile(const URL,localFilename: string): boolean;
  function getUrl(txt:string):string;
  function MakeFileList(Path,FileExt:string):TStringList ;
  function ExecScript(Code,Lang,Func:string):string;
  function getPostResult(url,data:string):string;
  function getRequestResult(url:string):string;
  function formatFilename(caption:string):string;
  function GetValidName(s:string):string;
  function getTime():string;overload;
  function getTime(dt:Tdatetime):string;overload;
  function GetTime_DateTime(s: string): TDateTime;
  function AscCompareInt(List: TStringList; I1, I2: Integer): Integer;
  function DescCompareInt(List: TStringList; I1, I2: Integer): Integer;
  function TimeCompareInt(List: TStringList; I1, I2: Integer): Integer;
  function GetProcessID(Filename:pansiChar):DWORD;
  function GetSpecialFolder(nFolder: Integer):string;
  procedure RunFile(filename:string);
  function KillTask(ExeFileName: string): Integer;
  function FileSizeByName(filename:string):integer;
  function JsonExist(parent:TJSONObject;child:string):boolean;
var
  DateSeparator: char;
  fs: TFormatSettings;
implementation
//CSIDL_DESKTOP
uses
  uLog;
function JsonExist(parent:TJSONObject;child:string):boolean;
var
  i:integer;
  keyname:string;
begin
  result:=false;
  if(parent=nil)then exit;
  for i:=0 to parent.count-1 do
  begin
    keyname:=parent.Get(i).JsonString.toString;
    keyname:=midstr(keyname,2,length(keyname)-2);
   if(keyname=child)then
   begin
     result:=true;
     exit;
   end;
end;
end;
function FileSizeByName(filename:string):integer;
var
  FileHandle:integer;
begin
  result:=-1;
try
  FileHandle := FileOpen(FileName, GENERIC_READ or FILE_SHARE_READ);
  result:=GetFileSize(FileHandle, nil);
  FileClose(FileHandle);
finally

end;
end;
function KillTask(ExeFileName: string): Integer;
const
  PROCESS_TERMINATE = $0001;
var
  ContinueLoop: BOOL;
  FSnapshotHandle: THandle;
  FProcessEntry32: TProcessEntry32;
begin
  Result := 0;
  FSnapshotHandle := CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
  FProcessEntry32.dwSize := SizeOf(FProcessEntry32);
  ContinueLoop := Process32First(FSnapshotHandle, FProcessEntry32);

  while Integer(ContinueLoop) <> 0 do
  begin
    if ((UpperCase(ExtractFileName(FProcessEntry32.szExeFile)) =
      UpperCase(ExeFileName)) or (UpperCase(FProcessEntry32.szExeFile) =
      UpperCase(ExeFileName))) then
      Result := Integer(TerminateProcess(
                        OpenProcess(PROCESS_TERMINATE,
                                    BOOL(0),
                                    FProcessEntry32.th32ProcessID),
                                    0));
     ContinueLoop := Process32Next(FSnapshotHandle, FProcessEntry32);
  end;
  CloseHandle(FSnapshotHandle);
end;

procedure RunFile(filename:string);
begin
  if(fileexists(filename))then
  begin
    shellexecute(0,'open',pchar(filename),nil,pchar(extractfiledir(filename)),sw_hide);
  end;
end;
function GetProcessID(Filename:pansiChar):DWORD;
var
  snapshot:THandle;
  processinfo:PROCESSENTRY32A; //在use中添加TLHelp32
  status:bool;
begin
  result:=0;
  processinfo.dwSize:=sizeof(processinfo);
  snapshot:=CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0); //CreateToolhelp32Snapshot创建一个快照
  status := Process32FirstA (snapshot,processinfo) ;
  while (status) do
  begin
    if StrIcomp(processinfo.szExeFile,FileName)=0 then
    begin
      result:=processinfo.th32ProcessID;
      exit;
    end;
    status := Process32NextA (snapshot, processinfo) ;
  end;//while
  closehandle(snapshot);
end;

  //根据时间排序
function TimeCompareInt(List: TStringList; I1, I2: Integer): Integer;
var
  dt1,dt2:TdateTime;
  str1,str2:string;
  c:integer;
begin
  str1:=leftstr(List[I1],23);
  str2:=leftstr(List[I2],23);
  str1:=stringreplace(str1,'-',DateSeparator,[rfReplaceAll]);
  str2:=stringreplace(str2,'-',DateSeparator,[rfReplaceAll]);
  dt1:=strtodatetime(str1);
  dt2:=strtodatetime(str2);
  if(dt1-dt2>0)then c:=1 else c:=-1;
  result:=c*SecondsBetween(dt1,dt2);
end;
function AscCompareInt(List: TStringList; I1, I2: Integer): Integer;
begin
  I1 := StrToIntDef(List[I1], 0);
  I2 := StrToIntDef(List[I2], 0);
  Result := I1 - I2; //正序排序
end;

function DescCompareInt(List: TStringList; I1, I2: Integer): Integer;
begin
  I1 := StrToIntDef(List[I1], 0);
  I2 := StrToIntDef(List[I2], 0);
  Result := I2 - I1; //倒叙排序
end;
//javascript时间转delphi时间
function GetTime_DateTime(s: string): TDateTime;
var
  DateSeparator: char;
  fs: TFormatSettings;
begin
  GetLocaleFormatSettings(GetUserDefaultLCID, fs);
  DateSeparator:=fs.DateSeparator;
  Result := IncMilliSecond(StrToDateTime(Format('1970%s01%s01 08:00:00',[DateSeparator,DateSeparator])), StrToInt64(s));
end;
function getTime(dt:Tdatetime):string;
begin
  result:=FormatDateTime('yyyy-mm-dd hh:nn:ss:zzz', dt);
end;
function getTime():string;
begin
  result:=FormatDateTime('yyyy-mm-dd hh:nn:ss:zzz', Now);
end;
function GetValidName(s:string):string;
var
  c:char;
  txt:string;
begin
  txt:=s;
  for c in TPath.GetInvalidFileNameChars() do
  begin
    txt:=stringreplace(txt,c,'',[rfReplaceAll]);
  end;
  result:=txt;
end;
function formatFilename(caption:string):string;
var
  s:string;
begin
  s:=caption;
  if(length(s)>72)then s:=leftstr(s,72);
  result:=GetValidName(s);
end;
function getRequestResult(url:string):string;
var
  client: TNetHTTPClient;
  ss: TStringStream;
  s,id:string;
  AResponse:IHTTPResponse;
  i:integer;
begin
try
  result:='';
  client := TNetHTTPClient.Create(nil);
  SS := TStringStream.Create('', TEncoding.UTF8);
  ss.Clear;
  with client do
  begin
    ConnectionTimeout := 60000; // 30秒
    ResponseTimeout := 60000; // 30秒
    AcceptCharSet := 'utf-8';
    //UserAgent := USER_AGENT; //1
    client.AllowCookies:=true;
    client.HandleRedirects:=true;
    Accept:='application/json, text/plain, */*'; //'*/*'
    client.ContentType:='application/json'; //2
    client.AcceptLanguage:='zh-CN,zh;q=0.9';
    //client.AcceptEncoding:='gzip, deflate, br';
    //client.CustomHeaders['Cookie'] := cookie;
    //client.CustomHeaders['Referer'] := 'https://www.xiaohongshu.com/';
    //client.CustomHeaders['X-s'] := 'ZB5p16ZBOlFKsjk6s6Ok1iOB0g9iOgFWsjOksjOv0gA3';
    //client.CustomHeaders['X-t'] := '1680939868543';
    try
        AResponse:=Get(url, ss);
        if(AResponse.StatusCode=200)then
        result:=ss.DataString;
    except
      on E: Exception do
        Log.e('Funcs.getRequestResult',e.Message);

    end;
  end;
finally
  ss.Free;
  client.Free;
end;

end;

function getPostResult(url,data:string):string;
var
  client: TNetHTTPClient;
  ss,args: TStringStream;
begin
  result:='';
try
try
  client := TNetHTTPClient.Create(nil);
  SS := TStringStream.Create('', TEncoding.UTF8);
  ss.Clear;
  args := TStringStream.Create(data, TEncoding.UTF8);
  with client do
  begin
    ConnectionTimeout := 60000; // 30秒
    ResponseTimeout := 60000; // 30秒
    AcceptCharSet := 'utf-8';
    //UserAgent := USER_AGENT; //1
    client.AllowCookies:=true;
    client.HandleRedirects:=true;
    Accept:='*/*';
    client.ContentType:='application/json'; //2

    client.Post(url,args,ss);
    result:=ss.DataString;
  end;
except
      on E: Exception do
      begin
        log.e('uFuncs.getPostResult',' err失败:'+#13#10+url+#13#10+e.Message);
      end;
end;
finally
  ss.Free;
  args.Free;
  client.Free;
end;

end;
function ExecScript(Code,Lang,Func:string):string;
var
  script:OleVariant;
begin
try
  result:='';
  try
    script:=CreateOleObject('ScriptControl');
    script.Language:=Lang;
    script.AddCode(Code);
    Result:=script.Eval(Func);
  except
    //on E: Exception do
      //Log(e.Message);
  end;
finally
  //script:=Unassigned;
end;
end;
function getUrl(txt:string):string;
var
　m:TMatch;
begin
  result:='';
  m := TRegEx.Match(txt,'(https?|ftp|file)://[-A-Za-z0-9+&@#/%?=~_|!:,.;]+[-A-Za-z0-9+&@#/%=~_|]');
  if(m.Groups.Count>0)then
  begin
    if(m.Groups[0].Success=true)then
    begin
      result:=m.Groups[0].Value;
    end;
  end else begin
    exit;
  end;
end;
/// <summary>获取系统路径</summary>
/// <param name="folderid">特殊目录</param>
/// <returns>返回特殊目录</returns>
/// <remarks></remarks>
///CSIDL_DESKTOP：//桌面；
///CSIDL_DRIVERS：//我的电脑
///CSIDL_FAVORITES：//收藏夹；
///CSIDL_STARTUP：//开始菜单；
///CSIDL_NETWORK：//网上邻居；
///CSIDL_PROFILE  C:\Users\username
function GetSpecialFolderDir(const folderid: integer): string;
var
  pidl: pItemIDList;
  buffer: array[0..255] of char;
begin
  //取指定的文件夹项目表
  SHGetSpecialFolderLocation(0, folderid, pidl);
  SHGetPathFromIDList(pidl, buffer); //转换成文件系统的路径
  Result := string(buffer);

end;

function getUnique():string;
var
  st: TSystemTime;
begin
  //GetLocalTime(st);
  //result:=format('%4d%2d%2d%2d%2d%2d%3d',
    //[st.wYear,st.wMonth,st.wDay,st.wHour,st.wMinute,st.wSecond,st.wMilliseconds]);
  result:=FormatDateTime('yyyymmddhhnnsszzz', Now);
end;

function getClipbrdText():string;
var
  buf: array[0..1023] of char;
  BufSize: Integer;
  H: THandle;
begin
  result:='';
  buf:='';
try
  if Clipboard.HasFormat(CF_TEXT) then begin
    H := ClipBoard.GetAsHandle(CF_TEXT);
    BufSize := GlobalSize(H);
    BufSize := Clipboard.GetTextBuf(buf, BufSize);
    //Edit1.Text := cbBuf;
    result:=buf;
  end;
finally
end;
end;


function DownloadFile(SourceFile, DestFile: string): Boolean;
begin
try
  DeleteUrlCacheEntry(pchar(SourceFile));
  Result := UrlDownloadToFile(nil, PChar(SourceFile), PChar(DestFile), 0, nil) = 0;
except
  Result := False;
end;
end;
function UrlGetFile(const URL,localFilename: string): boolean;
const
  //Agent = 'Internet Explorer 6.0'; //Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.0.0 Safari/537.36
  //Agent='Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.0.0 Safari/537.36';
  Agent='ua';
var
  hFile, HInet: HINTERNET;
  Buffer: array[0..32767] of byte;
  BufRead: Cardinal;
  BufSize: Cardinal;
  TempStream: TFileStream;
  dwIndex: dword;
begin
  result:=false;
  HInet := InternetOpen(PChar(Agent), INTERNET_OPEN_TYPE_PRECONFIG, nil, nil, 0);
  if Assigned(HInet) then
  try
    hFile := InternetOpenUrl(HInet, PChar(URL), nil, 0, 0, 0);

    deletefile(pchar(localFilename));
    TempStream := TFileStream.Create(localFilename,fmCreate);

    dwIndex := 0;
    BufSize := SizeOf(Buffer);

    //HttpQueryInfo(hfile, HTTP_QUERY_RAW_HEADERS_CRLF, @Buffer, BufSize, dwIndex);

    if Assigned(hFile) then
    try
      with TempStream do
      try
        while InternetReadFile(hFile, @Buffer, BufSize, BufRead) and (BufRead > 0) do
          Write(Buffer, BufRead);
        Result := true;
      finally
        Free;
      end;
    finally
      InternetCloseHandle(hFile);
    end;
  finally
    InternetCloseHandle(hinet);
  end;
end;

{-------------------------------------------------------------------------------
过程名:    MakeFileList 遍历文件夹及子文件夹
参数:      Path,FileExt:string   1.需要遍历的目录 2.要遍历的文件扩展名
返回值:    TStringList
其它：     排除：  android , support 子目录 ;
USE StrUtils

   Eg：ListBox1.Items:= MakeFileList( 'E:\极品飞车','.exe') ;
       ListBox1.Items:= MakeFileList( 'E:\极品飞车','.*') ;

-------------------------------------------------------------------------------}
function MakeFileList(Path,FileExt:string):TStringList ;
var
sch:TSearchrec;
begin
Result:=TStringlist.Create;

if rightStr(trim(Path), 1) <> '\' then
    Path := trim(Path) + '\'
else
    Path := trim(Path);

if not DirectoryExists(Path) then
begin
    Result.Clear;
    exit;
end;

if FindFirst(Path + '*', faAnyfile, sch) = 0 then
begin
    repeat
       //Application.ProcessMessages;
       if ((sch.Name = '.') or (sch.Name = '..')) then Continue;
       if DirectoryExists(Path+sch.Name) then
       begin
         //if(lowerCase(sch.Name)='android')or(lowerCase(sch.Name)='support')then continue;
         Result.AddStrings(MakeFileList(Path+sch.Name,FileExt));
       end
       else
       begin
         if (UpperCase(extractfileext(Path+sch.Name)) = UpperCase(FileExt)) or (FileExt='.*') then
         Result.Add(Path+sch.Name);
       end;
    until FindNext(sch) <> 0;
    SysUtils.FindClose(sch);
end;
end;
/// <summary>获取系统路径</summary>
/// <param name="nFolder">特殊目录</param>
/// <returns>返回特殊目录</returns>
/// <remarks></remarks>
///CSIDL_DESKTOP：//桌面；
///CSIDL_DRIVERS：//我的电脑
///CSIDL_FAVORITES：//收藏夹；
///CSIDL_STARTUP：//开始菜单；
///CSIDL_NETWORK：//网上邻居；
///CSIDL_PROFILE  C:\Users\username
function GetSpecialFolder(nFolder: Integer):string;
var
  pitem:PITEMIDLIST;
  s:string;
begin
  shGetSpecialFolderLocation(0,CSIDL_DESKTOP,pitem);
  setlength(s,128);
  shGetPathFromIDList(pitem,pchar(s));
  result:=s;
end;

{

function getClipbrdText():string;
var
  CbBuf: PChar;
  BufSize: Integer;
  H: THandle;
begin
  result:='';
  CbBuf:=nil;
try
  if Clipboard.HasFormat(CF_TEXT) then begin
    H := ClipBoard.GetAsHandle(CF_TEXT);
    BufSize := GlobalSize(H);
    GetMem(CbBuf, BufSize);
    BufSize := Clipboard.GetTextBuf(cbBuf, BufSize);
    //Edit1.Text := cbBuf;
    result:=cbBuf;
  end;
finally
  if cbBuf<>nil then
    freemem(cbBuf);
end;
end;
}
begin
  GetLocaleFormatSettings(GetUserDefaultLCID, fs);
  DateSeparator:=fs.DateSeparator;
end.

5、配置文件

unit uConfig;

interface
uses
  Vcl.Forms,System.SysUtils,strutils,classes,uFuncs,uNethelper,vcl.Dialogs,ioutils,
  windows,shlobj,uLog;
const
  APP_NAME:string='dyComment';
  APP_TITLE:string='抖音评论监测';
  APP_VERSION:string='1.0';
  APP_ID:string='cf';
  APP_VER:double=1.0;
  APP_CONTACT='技术服务~~:39848872~~：byc6352或metabycf';
  WORK_DIR:string='dycomment'; // 工作目录
  DATA_DIR:string='data';
  LOG_NAME:string='dycommentLog.txt';
  CONFIG_FILE:string='dycomment.config';
  COOKIE_FILE:string='cookie.txt';
  COMMENT_COUNT_FILE:string='comment_count.json';
  USER_AGENT:string='Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/118.0.0.0 Safari/537.36';
  DEBUG:boolean=false;

var
  workdir,saveDir,cookie:string;// 工作目录
  configfile,logfile,cookiefile,commentcountfile:string;
  commentcount:string;
  isInit:boolean=false;

  procedure init();
  procedure readConfig(filename:string);
  procedure writeSaveDir();
  function readCookie(filename:string):string;
  function getA1(cookie:string):string;
  function loadString(filename:string):string;
  function SetCookieFromChrome():boolean;
implementation


function loadString(filename:string):string;
var
  ss:tstrings;
begin
  result:='';
  if(not fileexists(filename))then exit;
try
  ss:=tstringlist.Create;
  ss.LoadFromFile(filename,Tencoding.UTF8);
  result:=ss.Text;
finally
  ss.Free;
end;
end;
procedure writeSaveDir();
var
  ss:tstrings;
begin
try
  ss:=tstringlist.Create;
  if(fileexists(configfile))then
  begin
    ss.LoadFromFile(configfile);
    ss[0]:=savedir;
  end else begin
    ss.Add(savedir);
    //ss.Add(DIRECT_DOWN);
  end;
  ss.SaveToFile(configfile);
finally
  ss.Free;
end;
end;

function readCookie(filename:string):string;
var
  ss:tstrings;
begin
  result:='';
try
  ss:=tstringlist.Create;
  if(fileexists(filename))then
  begin
    ss.LoadFromFile(filename);
    result:=ss.Text;
  end else begin

  end;
finally
  ss.Free;
end;
end;
function getA1(cookie:string):string;
var
  tmp:string;
  i:integer;
begin
  result:='';
  if(length(cookie)=0)then exit;
  tmp:=cookie;
  i:=pos('a1=',tmp);
  if(i=-1)then exit;
  tmp:=rightstr(tmp,length(tmp)-i-2);
  i:=pos(';',tmp);
  if(i=-1)then begin result:=tmp;exit;end;
  result:=leftstr(tmp,i-1);
end;
procedure readConfig(filename:string);
var
  tf:TextFile;
  s:string;
begin
try
  AssignFile(tf,filename);
  if not fileexists(filename) then
  begin
    saveDir:=workdir+'\comments';
    if(not DirectoryExists(saveDir))then ForceDirectories(saveDir);
    Rewrite(tF);
    WriteLn(tf,saveDir);
    flush(tf);
  end else begin
    Reset(tF);   //读打开文件，文件指针移到首
    readln(tf,saveDir);
  end;
finally
  closefile(tf);
end;
end;
procedure init();
var
    me:String;
begin
  if(isInit=true)then exit;
  isInit:=true;

  me:=application.ExeName;
  workdir:=extractfiledir(me)+'\'+WORK_DIR;
  if(not DirectoryExists(workdir))then ForceDirectories(workdir);
  savedir:=workdir+'\'+DATA_DIR;
  if(not DirectoryExists(savedir))then ForceDirectories(savedir);
  //configfile:=workdir+'\'+CONFIG_FILE;
  //readConfig(configfile);
  logfile:=workdir+'\'+LOG_NAME;
  log:=Tlog.Create(logfile);

  //SetCookieFromChrome();
  cookiefile:=workdir+'\'+COOKIE_FILE;
  cookie:=readCookie(cookiefile);
  cookie:=stringreplace(cookie,#13#10,'',[rfReplaceAll]);

  commentcountfile:=workdir+'\'+COMMENT_COUNT_FILE;
  if(fileexists(commentcountfile))then
    commentcount:=loadstring(commentcountfile);

end;


begin
  init();
end.