jxls实现基于excel模板的报表

此文章是基于　　搭建Jquery+SpringMVC+Spring+Hibernate+MySQL平台

一. jar包介绍

　　1. commons-collections-3.2.jar

　　2. commons-digester-2.1.jar

　　3. commons-jexl-2.1.1.jar

　　4. jxls-core-1.0.jar

　　5. poi-3.8-20120326.jar

　　6. poi-ooxml-3.8-20120326.jar

二. 相关文件介绍

　　1. TestController.java

package com.ims.web.controller;

import java.io.BufferedInputStream;
import java.io.FileInputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import net.sf.jxls.transformer.XLSTransformer;

import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.ss.util.CellRangeAddress;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;

@Controller
@RequestMapping("test")
public class TestController extends BaseController{
    
    @RequestMapping("view")
    public ModelAndView test(){
        ModelAndView view = new ModelAndView("test.jsp");
        return view;
    }
    
    @RequestMapping("export!excel")
    public void export(){
        String templateFileName = "runRecord.xls";  
        String webrootPath = System.getProperty("webapp.root");
        String templateFilePath =  webrootPath + "view\iot\";
        String destFileName= "设备运行记录卡.xls";
        
        Map<String, Object> beans = new HashMap<String, Object>();
        
        // 设备信息
        Map<String, Object> product = new HashMap<String, Object>();
        product.put("model", "XG2016");
        product.put("version", "V1.0");        
        beans.put("product", product);
        
        // 年、月、日
        beans.put("year", "2016");
        beans.put("month", "08");
        beans.put("day", "08");
        
        // 运行记录
        Map<String, Object> record = new HashMap<String, Object>();
        record.put("inputVoltage", "200");
        record.put("inputVoltageStatus", 0);
        record.put("inputCurrent", "50");
        record.put("inputCurrentStatus", 0);
        beans.put("record", record);
        
        // 异常处理
        List<Map<String, Object>> exceptions = new ArrayList<Map<String, Object>>();
        Map<String, Object> e1 = new HashMap<String, Object>();
        e1.put("detail", "输入电压过大");
        e1.put("handle", "降低输入电压");
        e1.put("handleMode", 1);
        exceptions.add(e1);
        
        Map<String, Object> e2 = new HashMap<String, Object>();
        e2.put("detail", "输入电流过大");
        e2.put("handle", "降低输入电流");
        e2.put("handleMode", 1);
        exceptions.add(e2);
        
        beans.put("exceptions", exceptions);
        
        InputStream in = null;
        OutputStream out = null;
        
        try {
            XLSTransformer transformer = new XLSTransformer();
            in = new BufferedInputStream(new FileInputStream(templateFilePath+templateFileName));  
            Workbook workbook=transformer.transformXLS(in, beans);
            HSSFSheet sheet = (HSSFSheet) workbook.getSheetAt(0);
            
            int startMergeLine = 7; // 开始合并的行数
            // 合并异常处理清单单元格
            if(exceptions.size()>0){
                sheet.addMergedRegion(new CellRangeAddress(startMergeLine, startMergeLine+exceptions.size()-1, 0, 0));  
            }
                             
            //将内容写入输出流并把缓存的内容全部发出去  
//            out = new FileOutputStream(templateFilePath+destFileName);
            request.setCharacterEncoding("UTF-8");
            response.setContentType("application/x-download;charset=GBK");
            response.setHeader("Content-Disposition", "attachment;filename="+new String(destFileName.getBytes("GBK"),"ISO8859_1"));  
            
            out=response.getOutputStream(); 
            workbook.write(out);  
            out.flush();
        } catch (Exception e) {
            e.printStackTrace();
        } finally{
            try{
                if(out!=null)
                    out.close();
                if(in!=null)
                    in.close();
            }catch(Exception e){
                e.printStackTrace();
            }
        }
    }

}

　　2. excelModelExport.jsp

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN">
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<html>
 <head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    <title>测试</title>
    <%@ include file="/common/basePath.jsp"%>
 </head>
 <body>
 ~~~~~~~~~~~~~~~~~~~~~~excel模板导出~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 <br><br>
 <button type="button" onclick="exportExl();">导出</button>
 
 <script type="text/javascript" src="content/js/jquery/jquery-1.8.1.min.js"></script>
 <script type="text/javascript" src="content/js/core/utils.js"></script>
 <script type="text/javascript" src="content/js/core/common.js"></script>
 <script type="text/javascript">
     function exportExl(){
        var exporter = com.exporter();
        exporter.params.action =  rootPath+"/test/export!excel.do";
        exporter.download('xls');
    }
 </script>
 </body>
</html>

　　3. utils.js

/**
* 模块名：共通脚本
* 程序名: 通用工具函数
**/

var utils = {};
 
/**
* 格式化字符串
* 用法:
.formatString("{0}-{1}","a","b");
*/
utils.formatString = function () {
    for (var i = 1; i < arguments.length; i++) {
        var exp = new RegExp('\{' + (i - 1) + '\}', 'gm');
        arguments[0] = arguments[0].replace(exp, arguments[i]);
    }
    return arguments[0];
};

　　4. common.js

/// <reference path="utils.js" />

/**
* 模块名：共通脚本
* 程序名: 通用方法common.js
**/
var com = {};

com.exporter = function (opt) {
    var self = this;

    var defaultOptions = {
        action: "",
        dataAction: "",
        dataParams: {},
        titles: [[]],
        fileType: 'xls',
        compressType: 'none'
    };
 
    this.paging = function (page,rows) {
        self.params.dataParams.page = page;
        self.params.dataParams.rows = rows;
        return self;
    };

    this.compress = function () {
        self.params.compressType = 'zip';
        return self;
    };

    this.title = function (filed,title) {
        self.params.titles[filed] = title;
        return self;
    };

    this.download = function (suffix) {
        self.params.fileType = suffix || "xls";
        self.params.dataParams = JSON.stringify(self.params.dataParams);
        self.params.titles = JSON.stringify(self.params.titles);

        //创建iframe
        var downloadHelper = $('<iframe style="display:none;" id="downloadHelper"></iframe>').appendTo('body')[0];
        var doc = downloadHelper.contentWindow.document;
        if (doc) {
            doc.open();
            doc.write('')//微软为doc.clear();
            doc.writeln(utils.formatString("<html><body><form id='downloadForm' name='downloadForm' method='post' action='{0}'>", self.params.action));
            for (var key in self.params) doc.writeln(utils.formatString("<input type='hidden' name='{0}' value='{1}'>", key, self.params[key]));
            doc.writeln('</form></body></html>');
            doc.close();
            var form = doc.forms[0];
            if (form) {
                form.submit();
            }
        }
    };

    initFromGrid = function (grid) {
        var options = grid.$element().datagrid('options');
        if (grid.treegrid)
            options.url = options.url || grid.treegrid('options').url;

        var titles = [[]], length = Math.max(options.frozenColumns.length, options.columns.length);
        for (var i = 0; i < length; i++)
            titles[i] = (options.frozenColumns[i] || []).concat(options.columns[i] || [])

        self.params = $.extend(true, {}, defaultOptions, {
            dataAction: options.url,
            dataParams: options.queryParams,
            titles: titles
        });
    };

    if (opt && opt.$element)
        initFromGrid(opt);
    else
        self.params = $.extend(true, {}, defaultOptions, opt);

    return self;
};

　　5. excel模板可参考： jxls实现动态图表

三. 运行测试

　　访问：http://localhost:8080/ims/test/excelModelExport.do，点击  导出  按钮，就有"设备运行记录卡.xls"导出到浏览器