spring MVC 导出excel / iVAN

原文地址：http://liuzidong.iteye.com/blog/1071823

参考资料

1 用spring MVC 生成Excel和PDF
http://blog.csdn.net/linlzk/archive/2008/11/27/3389925.aspx
2 Spring MVC export data to Excel file via AbstractExcelView
http://www.mkyong.com/spring-mvc/spring-mvc-export-data-to-excel-file-via-abstractexcelview/
3 用Java的iText实现PDF报表
http://muder2007.blog.163.com/blog/static/45933070200793152351991/
使用JXL请关注:JXL2.6:解决JXL的IndexOutOfBoundsException getSheet问题,使用了修复版本的jxl包http://liuzidong.iteye.com/blog/1071677
一工程代码结构图片

二具体代码如下
1 index.jsp

Java代码

<%@ page language="java" pageEncoding="UTF-8" contentType="text/html; charset=UTF-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<%@ taglib uri="/WEB-INF/c.tld" prefix="c"%>
<html>
<head>
<script type="text/javascript" src="${pageContext.request.contextPath}/js/jquery/jquery-1.4.4.min.js"></script>
<%@ include file="/common/meta.jsp"%>
</head>
<script type="text/javascript">
$(document).ready(function(){
$("#exec").click(function(){
//获取下拉框的值
var titlesValue = "";//$("#columns").find("option:selected").text();
$("#columns").find("option:selected").each(function(){ //由于复选框一般选中的是多个,所以可以循环输出
titlesValue += ($(this).text())+",";
});
var names = $("#columns").val();
$("#colums").val(names);
$("#titles").val(titlesValue);
});
});
</script>
<body>    
<div style="border: 1px solid #ccc; width: 50%;height:200px;align:center;margin-top:200px;margin-left:300px;padding:50px;">
<form action="${pageContext.request.contextPath}/view/excel.do" method="post">
<input type="submit" value="使用POI导出Excel"><br>
</form>
<hr><br>
<form method="post" action="${pageContext.request.contextPath}/view/jxlExcel.do">
<select id="columns" multiple="multiple" style="width:100px;height:120px;">
<option value="id">ID</option>
<option value="name">姓名</option>
<option value="sex">性别</option>
<option value="age">年龄</option>
<option value="password">密码</option>
<option value="address">地址</option>
</select>
<input type="hidden" id="titles" name="titles">
<input type="hidden" id="colums" name="colums">
<input type="submit" id="exec" value="使用JXL导出Excel"><br>
</form>
<hr><br>
<form action="${pageContext.request.contextPath}/view/pdf.do" method="post">
<input type="submit" value="导出PDF"><br>
<br>
<img src="${pageContext.request.contextPath}/img/car.do" width="100px" height="50px"/>
</form>
</div>
</body>
</html>

2 ViewController.java

Java代码

package com.liuzd.sj.web;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.servlet.ModelAndView;
import com.liuzd.sj.entity.Student;
import com.liuzd.sj.entity.User;
/**
* 生成excel或PDF类型试图根据参数进行数据组装，并跳转到相应的视图页面 View Controller Bean<br>
*/
@Controller
@RequestMapping("/view")
public class ViewController {
@RequestMapping("/excel")
public ModelAndView viewExcel(HttpServletRequest request,
HttpServletResponse response) {
Map model = new HashMap();
model.put("list", getStudents());
return new ModelAndView(new ViewExcel(), model);
}
private List getStudents(){
List stuList = new ArrayList();
// 构造数据
Student stu1 = new Student("gaoxiang1", "male1", "20060101", 1);
Student stu2 = new Student("gaoxiang2", "male2", "20060102", 2);
Student stu3 = new Student("gaoxiang3", "male3", "20060103", 3);
Student stu4 = new Student("gaoxiang4", "male4", "20060104", 4);
Student stu5 = new Student("gaoxiang5", "male5", "20060105", 5);
stuList.add(stu1);
stuList.add(stu2);
stuList.add(stu3);
stuList.add(stu4);
stuList.add(stu5);
return stuList;
}
@RequestMapping("/jxlExcel")
public ModelAndView viewJxlExcel(@RequestParam("titles") String titles,@RequestParam("colums") String colums,HttpServletRequest request,
HttpServletResponse response) {
String [] array1 = null;
if(null != colums && colums.indexOf(",") != -1){
array1 = colums.split(",");
}
String [] array2 = null;
if(null != titles && titles.indexOf(",") != -1){
array2 = titles.split(",");
}
Map model = new HashMap();
// 构造数据
List<User> users = new ArrayList<User>();
users.add(new User("123456", "李逵", "123", "成都市", "1", 23));
users.add(new User("123457", "李四", "124", "北京市", "2", 53));
users.add(new User("123458", "李三", "125", "河南市", "0", 73));
users.add(new User("123459", "李五", "126", "大路市", "3", 93));
model.put("list", users);
model.put("columns", array1);
model.put("titles", array2);
return new ModelAndView(new JXLExcelView(), model);
}
@RequestMapping("/pdf")
public ModelAndView viewPDF(HttpServletRequest request,
HttpServletResponse response) throws Exception {
Map model = new HashMap();
model.put("list", getStudents());
return new ModelAndView(new ViewPDF(), model);
}
}

3 JXLExcelView.java

Java代码

package com.liuzd.sj.web;
import java.io.IOException;
import java.io.OutputStream;
import java.net.URLEncoder;
import java.util.List;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import jxl.Workbook;
import jxl.WorkbookSettings;
import jxl.format.Alignment;
import jxl.format.VerticalAlignment;
import jxl.write.WritableCellFormat;
import jxl.write.WritableFont;
import jxl.write.WritableSheet;
import jxl.write.WritableWorkbook;
import jxl.write.WriteException;
import jxl.write.biff.RowsExceededException;
import org.apache.commons.beanutils.PropertyUtils;
import org.springframework.web.servlet.view.document.AbstractJExcelView;
import com.liuzd.sj.entity.User;
public class JXLExcelView extends AbstractJExcelView {
private String[] columnNames = new String[] { "编号", "姓名", "年龄", "性别", "密码",
"地址" };
private String[] dbColumnNames = new String[] { "id", "name", "age", "sex",
"password", "address" };
private Integer[] columnWidths = new Integer[] { 20, 20, 20, 20, 20, 20 };
@Override
public void buildExcelDocument(Map<String, Object> map,
WritableWorkbook work, HttpServletRequest req,
HttpServletResponse response) {
String [] titles = (String[])map.get("titles");
if(null != titles && titles.length > 0){
columnNames = titles;
}
String [] columns = (String[])map.get("columns");
if(null != columns && columns.length > 0){
dbColumnNames = columns;
}
OutputStream os = null;
try {
String excelName = "用户信息.xls";
// 设置response方式,使执行此controller时候自动出现下载页面,而非直接使用excel打开
response.setContentType("APPLICATION/OCTET-STREAM");
response.setHeader("Content-Disposition", "attachment; filename="
+ URLEncoder.encode(excelName, "UTF-8"));
os = response.getOutputStream();
// sheet名称
String sheetName = "用户信息";
// 全局设置
WorkbookSettings setting = new WorkbookSettings();
java.util.Locale locale = new java.util.Locale("zh", "CN");
setting.setLocale(locale);
setting.setEncoding("ISO-8859-1");
// 创建工作薄
work = Workbook.createWorkbook(os); // 建立excel文件
// 创建第一个工作表
jxl.write.WritableSheet ws = work.createSheet(sheetName, 1); // sheet名称
// 添加标题
addColumNameToWsheet(ws);
List<User> list = (List<User>) map.get("list");
writeContext(ws, list);
} catch (Exception e) {
e.printStackTrace();
} finally {
// 写入文件
try {
work.write();
work.close();
os.flush();
os.close();
} catch (WriteException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
}
private <T> void writeContext(WritableSheet wsheet, List<T> list) {
int rows = list.size();
jxl.write.Label wlabel = null;
jxl.write.WritableCellFormat wcf = getFormat();
int cols = dbColumnNames.length;
String columnName = null;
Object value = null;
try {
for (int i = 0; i < rows; i++) {
T t = (T) list.get(i);
for (int j = 0; j < cols; j++) {
columnName = dbColumnNames[j].toLowerCase();
value = PropertyUtils.getProperty(t, columnName);
wlabel = new jxl.write.Label(j, (i + 1), value + "", wcf);
wlabel = new jxl.write.Label(j, (i + 1), value + "");
wsheet.addCell(wlabel);
}
}
} catch (Exception e) {
e.printStackTrace();
}
}
// 添加标题样式
private void addColumNameToWsheet(jxl.write.WritableSheet wsheet)
throws RowsExceededException, WriteException {
// 设置excel标题
jxl.write.WritableFont wfont = getFont();
if (null == wfont) {
wfont = new WritableFont(WritableFont.ARIAL,
WritableFont.DEFAULT_POINT_SIZE, WritableFont.BOLD);
}
jxl.write.WritableCellFormat wcfFC = getFormat();
if (null == wcfFC) {
wcfFC = new jxl.write.WritableCellFormat(wfont);
try {
wcfFC.setWrap(true);// 自动换行
wcfFC.setAlignment(Alignment.CENTRE);
wcfFC.setVerticalAlignment(VerticalAlignment.CENTRE);// 设置对齐方式
} catch (WriteException e) {
e.printStackTrace();
}
}
jxl.write.Label wlabel1 = null;
String[] columNames = columnNames;
if (null == columNames)
return;
int colSize = columNames.length;
Integer[] colsWidth = columnWidths;
if (null == colsWidth) {
colsWidth = new Integer[colSize];
for (int i = 0; i < colSize; i++) {
colsWidth[i] = 20;
}
}
int temp = 0;
String colName = null;
for (int i = 0; i < colSize; i++) {
colName = columNames[i];
if (null == colName || "".equals(colName))
colName = "";
wlabel1 = new jxl.write.Label(i, 0, colName, wcfFC);
wsheet.addCell(wlabel1);
temp = colsWidth[i].intValue();
// 默认设置列宽
temp = temp == 0 ? 20 : temp;
wsheet.setColumnView(i, temp);
}
}
// 设置格式
private WritableCellFormat getFormat() {
jxl.write.WritableFont wfont = getFont();
jxl.write.WritableCellFormat wcfFC = new jxl.write.WritableCellFormat(
wfont);
try {
wcfFC.setWrap(true);
wcfFC.setAlignment(Alignment.CENTRE);
wcfFC.setVerticalAlignment(VerticalAlignment.CENTRE);
} catch (WriteException e) {
e.printStackTrace();
}
return wcfFC;
}
// 设置字体
private WritableFont getFont() {
return new WritableFont(WritableFont.ARIAL,
WritableFont.DEFAULT_POINT_SIZE, WritableFont.BOLD);
}
}

4 ViewExcel.java

Java代码

package com.liuzd.sj.web;
import java.net.URLEncoder;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.poi.hssf.usermodel.HSSFCellStyle;
import org.apache.poi.hssf.usermodel.HSSFDataFormat;
import org.apache.poi.hssf.usermodel.HSSFRow;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.springframework.web.servlet.view.document.AbstractExcelView;
import com.liuzd.sj.entity.Student;
/**
* 生成excel视图，可用excel工具打开或者保存
* 由ViewController的return new ModelAndView(viewExcel, model)生成
*/
public class ViewExcel extends AbstractExcelView {
public void buildExcelDocument(Map model, HSSFWorkbook workbook,
HttpServletRequest request, HttpServletResponse response)
throws Exception {
String excelName = "用户信息.xls";
// 设置response方式,使执行此controller时候自动出现下载页面,而非直接使用excel打开
response.setContentType("APPLICATION/OCTET-STREAM");
response.setHeader("Content-Disposition", "attachment; filename="+ URLEncoder.encode(excelName, "UTF-8"));
List stuList = (List) model.get("list");
// 产生Excel表头
HSSFSheet sheet = workbook.createSheet("studentList");
HSSFRow header = sheet.createRow(0); // 第0行
// 产生标题列
header.createCell((short) 0).setCellValue("name");
header.createCell((short) 1).setCellValue("sex");
header.createCell((short) 2).setCellValue("date");
header.createCell((short) 3).setCellValue("count");
HSSFCellStyle cellStyle = workbook.createCellStyle();
cellStyle.setDataFormat(HSSFDataFormat.getBuiltinFormat("mm/dd/yyyy"));
// 填充数据
int rowNum = 1;
for (Iterator iter = stuList.iterator(); iter.hasNext();) {
Student element = (Student) iter.next();
HSSFRow row = sheet.createRow(rowNum++);
row.createCell((short) 0)
.setCellValue(element.getName().toString());
row.createCell((short) 1).setCellValue(element.getSex().toString());
row.createCell((short) 2)
.setCellValue(element.getDate().toString());
row.getCell((short) 2).setCellStyle(cellStyle);
row.createCell((short) 3).setCellValue(element.getCount());
}
// 列总和计算
HSSFRow row = sheet.createRow(rowNum);
row.createCell((short) 0).setCellValue("TOTAL:");
String formual = "SUM(D2:D" + rowNum + ")"; // D2到D[rowNum]单元格起(count数据)
row.createCell((short) 3).setCellFormula(formual);
}
}

5 ViewPDF.java

Java代码

package com.liuzd.sj.web;
import java.net.URLEncoder;
import java.util.List;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.web.servlet.view.document.AbstractPdfView;
import com.liuzd.sj.entity.Student;
import com.lowagie.text.Document;
import com.lowagie.text.Paragraph;
import com.lowagie.text.pdf.BaseFont;
import com.lowagie.text.pdf.PdfWriter;
/**
* 生成PDF视图，可用PDF浏览器打开或者保存
* 由ViewController的return new ModelAndView(viewPDF, model)生成
* @version Version 1.0
*/
public class ViewPDF extends AbstractPdfView {
public void buildPdfDocument(Map model, Document document,
PdfWriter writer, HttpServletRequest request,
HttpServletResponse response) throws Exception {
String excelName = "用户信息.pdf";
// 设置response方式,使执行此controller时候自动出现下载页面,而非直接使用excel打开
response.setContentType("APPLICATION/OCTET-STREAM");
response.setHeader("Content-Disposition", "attachment; filename="+ URLEncoder.encode(excelName, "UTF-8"));
List stuList = (List) model.get("list");
//显示中文
BaseFont bfChinese = BaseFont.createFont("STSong-Light", "UniGB-UCS2-H", BaseFont.NOT_EMBEDDED);
com.lowagie.text.Font FontChinese = new com.lowagie.text.Font(bfChinese, 12, com.lowagie.text.Font.NORMAL );
String value = null;
for (int i = 0; i < stuList.size(); i++) {
Student s = (Student)stuList.get(i);
value = "姓名: "+ s.getName()+",性别: "+s.getSex() + ",日期: " + s.getDate() + ",总数: " + s.getCount();
document.add(new Paragraph(value,FontChinese));
}
}
}

6 springmvc.xml

Xml代码

<?xml version="1.0" encoding="UTF-8" ?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:p="http://www.springframework.org/schema/p"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xsi:schemaLocation="
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.0.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd">
<!--
自动搜索@Controller标注的类
用于指明系统从哪个路径下寻找controller，然后提前初始化这些对象。
-->
<context:component-scan base-package="com.liuzd.sj.web" />
<mvc:annotation-driven/>
<bean
class="org.springframework.web.servlet.view.InternalResourceViewResolver"
p:prefix="/WEB-INF/jsp/" p:suffix=".jsp" />
</beans>

三附件为工程源代码http://dl.iteye.com/topics/download/23bd290d-405a-3e9b-b557-28c3773bdeb3
四相关jar包下载
jackson-all-1.8.1.jar请参见:SpringMVC:整合JQUERY与JSON
http://liuzidong.iteye.com/blog/1069343
jexcelapi_2_6_12_1.jar
http://dl.iteye.com/topics/download/4662fd6c-4dee-3dba-ac12-509ff9323258
iText-POI.zip中包含jar包有:iText-2.1.2.jar,iTextAsian.jar,poi-3.7-20101029.jar
http://dl.iteye.com/topics/download/a919b53f-615d-3b67-b790-32b4e0fec85f

时间： 2024-10-19 05:03:48

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