C# 读取EXCEL的数据批量插入单个PDF里的多个位置
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Diagnostics;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using iTextSharp.text.pdf;
using iTextSharp.text;
using Font = iTextSharp.text.Font;
using Microsoft.Office.Interop.Excel;
using Application = Microsoft.Office.Interop.Excel.Application;
using Excel = Microsoft.Office.Interop.Excel;
using Rectangle = iTextSharp.text.Rectangle;
namespace EXCEL批量插入PDF指定位置
{
public partial class Form1 : Form
{
InsertPdf insertPdf = new InsertPdf();
List<InsertPdf> pudfPathList = new List<InsertPdf>();
public Form1()
{
InitializeComponent();
}
private void btn_chose_Click(object sender, EventArgs e)
{
string OpenFilePath;//存储选择到的文件的完整路径
OpenFileDialog ofd = new OpenFileDialog();
ofd.Title = "选择Excel文件";//设置对话框标题栏的内容
ofd.Filter = "Excel文件(*.xls*)|*.xls*;"; //这是设置对话框内显示的指定后缀类型文件(可设置多个)
if (ofd.ShowDialog() == DialogResult.OK)
{
OpenFilePath = ofd.FileName;
input.Text = OpenFilePath;
}
else
{
return;
}
OPENEXCEL();
}
/// <summary>
/// 打开Excel文件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void OPENEXCEL()
{
if (input.Text!="")
{
string excelPath = input.Text;
object missing=Missing.Value;
Excel.Application excel = new Excel.Application();//创建Excel对象
try
{
if (excel == null)
{
MessageBox.Show("Excel对象为空，请检查是否已安装Excel");
return;
}
else
{
excel.Visible = false;//显示Excel
excel.DisplayAlerts = false;//不显示警告信息
excel.UserControl = false;//不显示用户界面
excel.ScreenUpdating = false;//屏幕刷新
Excel.Workbook wb = excel.Application.Workbooks.Open(excelPath, missing, true, missing, missing, missing, missing, missing, missing, true, missing, missing, missing, missing, missing);//打开Excel文件
Excel.Worksheet ws = (Excel.Worksheet)wb.Worksheets[1];//获取当前工作表
int rowCount = ws.UsedRange.Rows.Count;//获取当前工作表的行数
int colCount = ws.UsedRange.Columns.Count;//获取当前工作表的列数
dataGridView1.Rows.Clear();
dataGridView1.Columns.Clear();
for (int i = 1; i <= colCount; i++)
{
if (ws.Cells[1, i].Value2 == null)
{
break;
}
string colName = ws.Cells[1, i].Value2.ToString().Trim();
dataGridView1.Columns.Add("column" + i, colName);
}
for (int i = 2; i <= rowCount; i++)
{
int index = dataGridView1.Rows.Add();
if (ws.Cells[i, 1].Value2 != null)
{
for (int j = 1; j <= colCount; j++)
{
if (ws.Cells[i, j].Value2 == null)
{ continue; }
dataGridView1.Rows[index].Cells[j - 1].Value = ws.Cells[i, j].Value2.ToString().Trim();
}
}
}
}
}
catch (Exception ex)
{
MessageBox.Show("打开Excel文件失败！" + ex.Message);
//throw;
}
finally {
CloseExcel(excel);
MessageBox.Show("加载成功！");
}
}
}
private void CloseExcel(Application excel)
{
excel.Quit();
excel = null;
Process[] excels = Process.GetProcessesByName("excel");
foreach (Process p in excels)
{
p.Kill();//杀掉excel进程
}
GC.Collect();
}
/// <summary>
/// 处理单个页面填写多个地方的PDF
/// </summary>
/// <param name="pdfPath">PDF文件路径</param>
/// <param name="pdfsavePath">存PDF文件路径</param>
/// <param name="xnum">填写字的坐标x</param>
/// <param name="ynum">填写字的坐标y</param>
/// <param name="fontnum">字体大小</param>
/// <param name="textstr">要填入的文字</param>
///
private void PDFadd(string pdfPath, string pdfsavePath, InsertPdf insertPdf)
{
if (dataGridView1.Rows.Count > 0)
{
for (int i = 0; i < dataGridView1.Rows.Count; i++)
{
insertPdf.xnum = Convert.ToInt32(dataGridView1.Rows[i].Cells[0].Value);
insertPdf.ynum = Convert.ToInt32(dataGridView1.Rows[i].Cells[1].Value);
insertPdf.fontnum = Convert.ToInt32(dataGridView1.Rows[i].Cells[2].Value);
insertPdf.textstr = dataGridView1.Rows[i].Cells[3].Value.ToString();
pudfPathList.Add(insertPdf);
}
}
//原文件地址
string url = @pdfPath;
//最后要保存的文件地址
string urlNew= @pdfsavePath;
//读取原pdf文件
PdfReader reader = new PdfReader(url);
PdfStamper stamper = new PdfStamper(reader, new FileStream(urlNew, FileMode.Create, FileAccess.Write, FileShare.None));
setOnePage(pudfPathList, reader, stamper);
}
/// <summary>
/// 处理单个页面多个填写的地方
/// </summary>
/// <param name="pdfPathList"></param>
private void setOnePage(List<InsertPdf> pdfPathList, PdfReader reader, PdfStamper stamper)
{
if (pdfPathList.Count == 1)
{
insertPdf = pdfPathList[1];
//获取系统的字体
BaseFont baseFont = BaseFont.CreateFont("C:\\Windows\\Fonts\\simhei.ttf", BaseFont.IDENTITY_H, BaseFont.NOT_EMBEDDED);
//字体属性及大小
Font font = new Font(baseFont, insertPdf.fontnum);
//需要添加的文字
Phrase addName = new Phrase(insertPdf.textstr, font);
//获取pdf总页数
int pagesCount = reader.NumberOfPages;
//获取pdf页面大小
Rectangle pageSize = reader.GetPageSize(1);
//设置pdf的宽
float width = pageSize.Width;
//设置pdf的高
float height = pageSize.Height;
//遍历所有页，从第一页开始
for (int i = 1; i <= pagesCount; i++)//遍历所有页
{
if (i == 1)
{//第一页
//设置当前页
PdfContentByte canvas = stamper.GetOverContent(i);
//将文本添加到每页pdf的右上角
ColumnText.ShowTextAligned(canvas, Element.ALIGN_RIGHT, addName, insertPdf.xnum, insertPdf.ynum, 0);//900, 435,x,y
}
}
//释放
stamper.Close();
MessageBox.Show("添加成功");
}
else if (pdfPathList.Count > 1)
{
//获取系统的字体
BaseFont baseFont = BaseFont.CreateFont("C:\\Windows\\Fonts\\simhei.ttf", BaseFont.IDENTITY_H, BaseFont.NOT_EMBEDDED);
//获取pdf总页数
int pagesCount = reader.NumberOfPages;
//获取pdf页面大小
Rectangle pageSize = reader.GetPageSize(1);
//设置pdf的宽
float width = pageSize.Width;
//设置pdf的高
float height = pageSize.Height;
PdfContentByte canvas = stamper.GetOverContent(pagesCount);
for (int i = 0; i < pdfPathList.Count; i++)
{
insertPdf = pdfPathList[i];
//字体属性及大小
Font font = new Font(baseFont, insertPdf.fontnum);
//需要添加的文字
Phrase addName = new Phrase(insertPdf.textstr, font);
ColumnText.ShowTextAligned(canvas, Element.ALIGN_RIGHT, addName, insertPdf.xnum, insertPdf.ynum, 0);
}
stamper.Close();
MessageBox.Show("添加成功");
}
}
}
}
