本文总结如何用fiddler和postman调试接口，并用java模拟调用接口。

1. • fiddler用法

当页面点击事件后，在fiddler出现一个请求，单击左侧请求，在右侧的raw的tab标签，出现该请求的详细内容。

其实一个请求需要两类参数，url请求、headers和body参数，放在postman做模拟请求。

#url请求
POST http://XXXXXX/front/sh/querysr!execute?uid=queryComplexList HTTP/1.1

#header参数
Host: 192.168.1.1
Connection: keep-alive
Content-Length: 3039
Accept: application/json, text/javascript, 
X-Requested-With: XMLHttpRequest
_log4xContextKey: 70AB0BEC5AADD4B406180E
User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.0.0 Safari/537.36
Content-Type: application/x-www-form-urlencoded; charset=UTF-8
Origin: 192.168.1.1
Referer: http://XXXXXX/src/module/basesr/query/ComplexQuery.html
Accept-Encoding: gzip, deflate
Accept-Language: zh-CN,zh;q=0.9
Cookie: sessionid=7c95fded-6ae8-4f29-b488-75eb30be9ea0; 

#body参数
wrkfmTypeCd=3&quickQuery=&busiType=&brdnetAcct=&cmplntsAddr=&cmpgnNm=&rltSysType=&wrkfmShowSwftno=&acptTime=2022-12-01+00%3A00%3A00&endTime=2022-12-31+23%3A59%3A59&acptNum=&acptStaffNum=&arcTimeStart=&arcTimeEnd=&srvReqstTypeId=401002006

2. • postman用法

1）根据fiddler的3类参数，分别填到postman三个框

2）post类型的body中可以存放任意的内容格式，浏览器可以根据请求头中指定的content-type类型对请求体进行解析

其对应关系如下：

3. • java编写util类

新建一个基础类，将header，data，cooker，url等参数，声明私有；并用对应的函数写入这些私有变量。最后用formPost将所有参数聚合执行。

@Slf4j
@Component
public class baseQuery{
    private  Map<String,String> jsonHeader = new HashMap<>();//头文件
    private  Map<String,String> jsonData = new HashMap<>();//查询参数
    private  Map<String,String> jsonCooker = new HashMap<>();//cookie
    private  JSONObject jsonBody = new JSONObject();//body
    private  String url = "";
    
    public Map<String,String> generateFormHeaders(JSONObject object){
        jsonHeader.clear();
        jsonHeader.put("Accept", "application/json, text/javascript, */*; q=0.01");
        jsonHeader.put("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8");
        jsonHeader.put("x-expect-language", "zh-CN");
        jsonHeader.put("X-Requested-With", "XMLHttpRequest");
        jsonHeader.put("Accept-Language", "zh-CN,zh;q=0.9");
        jsonHeader.put("User-Agent", "Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.88 Safari/537.36");
        jsonHeader.put("Connection", "keep-alive");
        
        for (String key: object.keySet()) {
            String value = object.getString(key);
            if (!StringUtils.isEmpty(key)) {
                jsonHeader.put(key, value);
            }
        }
        return jsonHeader;
    }
    
    public Map<String, String> generateFormData(JSONObject object) {
        jsonData.clear();
        for (String key: object.keySet()) {
            String value = object.getString(key);
            if (!StringUtils.isEmpty(key)) {
                jsonData.put(key, value);
            }
        }
        return jsonData;
    }
    
    public Map<String, String> generateCookie(JSONObject object) {
        jsonCooker.clear();
        for(String key : object.keySet()) {
            String value = object.getString(key);
            if(!StringUtils.isEmpty(key)) {
                jsonCooker.put(key, value);
            }
        }
        return jsonCooker;
    }
    
    public JSONObject generateBody(JSONObject object) {
        jsonBody.clear();
        for(String key : object.keySet()) {
            String value = object.getString(key);
            if(!StringUtils.isEmpty(key)) {
                jsonBody.put(key, value);
            }
        }
        jsonBody = object;
        return jsonBody;
    }
    
    public String generateUrl(String strUrl) {
        url = strUrl;
        return url;
    }
    
    public String formPost() {
        Connection conn = Jsoup.connect(url);
        conn.ignoreContentType(true);
        conn.method(Method.POST);
        conn.followRedirects(true);
        //设置头部
        conn.headers(jsonHeader);
        //设置请求内容
        conn.data(jsonData);
        //body
        conn.requestBody(JSON.toJSONString(jsonBody));
        //cookie
        conn.cookies(jsonCooker);
        String resp = "操作失败";
        try {
            Response response = conn.timeout(600).execute();
            resp = response.body();
        } catch (Exception e) {
            log.debug(e.getLocalizedMessage()+jsonData.toString());
            // TODO Auto-generated catch block
//            logger.error(ExceptionUtils.getStackTrace(e));    
        }
        return resp;
    }
}