java应用程序中如何做报表打印界面

爱吃芋头 2008-04-12 02:51:06

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East271536394 2008-04-15

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package mypro;

/**
* Title: 
*
* Description: 
*
* Copyright: Copyright (c) 2008
*
* Company: 
*
* @author 张栋芳
* @version 1.0该类为写入到网页中的功能实现
*/

import java.util.*;
import java.io.*;
import javax.swing.*;

public class PrintHtml {
private Vector veData;
private File file;
private FileOutputStream fos;
private String allPane;
private String path; //保存路径
private String fileName; //文件名
public PrintHtml() {};
private String type;
public PrintHtml(Vector veDate, String path, String fileName, String type) {
this.veData = veDate; //要写入网页中的Vector对象
this.path = path;
this.type = type;
this.fileName = fileName;
}

/*返回值表示是否写入成功or写入完毕
*
*colum写入以表格形式中的字段名
*text表格标题
*Vector veColum列名
*allPane拼截之后的内容
*/
public boolean writeHtml(Vector veColum) {
/*
*选择写入的地
*/
try {
fileName = fileName + "/" + path;
String pane = getPanel(veColum);
byte[] all = new byte[pane.length()];
if (!fileName.endsWith(type)) { //判断用户是否设置扩展名
fileName = fileName.concat(type);
}
//System.out.println(fileName);
JOptionPane.showMessageDialog(null, "请查看" + fileName);
all = pane.getBytes();
fos = new FileOutputStream(fileName);
fos.write(all);
fos.close();
}
catch (Exception ex) {
}
return true;
}

private String getPanel(Vector veColum) {
String str = "<html><head><title>2008Vista人事管理系统报表打印</title></head><body><marquee>欢迎使用2008Vista人事管理系统报表功能</marquee> <table border='2' align='center' bordercolor='#6699FF' width='800'> <caption >" +
path + "</caption><tr>";
for (int i = 0; i < veColum.size(); i++) {
str = str + "<td>" + (veColum.get(i)) + "</td>";
}
str = str + "</tr><tr>";
for (int n = 0; n < veData.size(); n++) {
Vector voData = (Vector) veData.get(n);
for (int j = 0; j < voData.size(); j++) {
str = str + "<td>" + voData.get(j) + "</td>";
}
str = str + "</tr>";
}
String end = "</table></body></html>";
return str + end;
}
}
你看下这个呀,生成html的文件