java Excel导出功能之固定列表格

实现列数不变的数据导出

DAO

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >
<mapper namespace="com.vooledingtalk.dao.GoOutProcessMapper"><resultMap type="java.util.Map" id="map"></resultMap><insert id="insertGooutProcess" parameterType="goOutProcessPOJO">insert into goout_process(businessId, submitTime, timeSnippet, destination,vehicle,reason,deptId,userId,status,title,result,finishTime)values(#{businessId}, #{submitTime}, #{timeSnippet}, #{destination}, #{vehicle}, #{reason}, #{deptId}, #{userId}, #{status},#{title},#{result},#{finishTime})</insert>   <!-- 根据businessId判断记录是否存在  --><select id="isExist" resultType="int" parameterType="goOutProcessPOJO">select count(*) from goout_process where businessId = #{businessId}</select><!-- 根据businessId status 和 result 判断记录是否有状态更新 --><select id="hasStatusResultChange" resultType="int" parameterType="goOutProcessPOJO">select count(*) from goout_process where businessId = #{businessId}and status = #{status}and result = #{result}</select><!--    <select id="selectAll" resultType="map">select id,userId,checkin_time, DATE(checkin_time) dateDayfrom ding_checkinrecord</select>--><!-- 更新已有记录的 status 和 result 字段 --><update id="updateRecodeDate" parameterType="goOutProcessPOJO" >update goout_processset status = #{status}, result = #{result}where businessId = #{businessId}</update><select id="selectShowData" parameterType="map" resultType="map">SELECT a.userName userName, a.userId userId, a.deptName deptName, g.timeSnippet timeSnippet, g.destination destination, g.reason reason, CASE g.status WHEN 'NEW' THEN '刚创建'WHEN 'RUNNING' THEN '运行中'WHEN 'TERMINATED' THEN '被终止'WHEN 'COMPLETED' THEN '完成'WHEN 'CANCELED' THEN '取消'ELSE '' END AS processStatus, CASE g.result WHEN 'agree'  THEN '同意'WHEN 'refuse' THEN '拒绝'ELSE '' END  AS processResultFROM goout_process gLEFT JOIN      (SELECT u.userid userId , u.name userName, u.department deptId, d.name deptNameFROM ding_user uLEFT JOINding_dept dON u.department = d.id ) aON a.userId = g.userId <where><if test="processStatus!=null and processStatus!=''">g.status in <foreach collection="processStatus" item="processStatus" open="(" separator="," close=")">#{processStatus}</foreach></if><if test="processResult!=null and processResult!=''">AND g.result = #{processResult}</if><if test="startDate!=null and startDate!=''">AND g.submitTime <![CDATA[>=]]> #{startDate}</if><if test="endDate!=null and endDate!=''">AND g.submitTime <![CDATA[<=]]> #{endDate}</if><if test="deptId!=null and deptId!=''">AND FIND_IN_SET(a.deptId,getChildDepts(#{deptId})) </if><if test="userId!=null and userId!=''">AND a.userid in <foreach collection="userId" item="userId" open="(" separator="," close=")">#{userId}</foreach></if></where>limit #{firstPage}, #{rows}</select><select id="countShowData" parameterType="map" resultType="int">SELECT count(*)FROM goout_process gLEFT JOIN      (SELECT u.userid userId , u.name userName, u.department deptId, d.name deptNameFROM ding_user uLEFT JOINding_dept dON u.department = d.id ) aON a.userId = g.userId <where><if test="processStatus!=null and processStatus!=''">g.status in <foreach collection="processStatus" item="processStatus" open="(" separator="," close=")">#{processStatus}</foreach></if><if test="processResult!=null and processResult!=''">AND g.result = #{processResult}</if><if test="startDate!=null and startDate!=''">AND g.submitTime <![CDATA[>=]]> #{startDate}</if><if test="endDate!=null and endDate!=''">AND g.submitTime <![CDATA[<=]]> #{endDate}</if><if test="deptId!=null and deptId!=''">AND FIND_IN_SET(a.deptId,getChildDepts(#{deptId})) </if><if test="userId!=null and userId!=''">AND a.userid in <foreach collection="userId" item="userId" open="(" separator="," close=")">#{userId}</foreach></if></where></select><select id="selectExportData" parameterType="map" resultType="map">SELECT a.userName userName, a.userId userId, a.deptName deptName, g.timeSnippet timeSnippet, g.destination destination, g.reason reason, CASE g.status WHEN 'NEW' THEN '刚创建'WHEN 'RUNNING' THEN '运行中'WHEN 'TERMINATED' THEN '被终止'WHEN 'COMPLETED' THEN '完成'WHEN 'CANCELED' THEN '取消'ELSE '' END AS processStatus, CASE g.result WHEN 'agree'  THEN '同意'WHEN 'refuse' THEN '拒绝'ELSE '' END  AS processResultFROM goout_process gLEFT JOIN      (SELECT u.userid userId , u.name userName, u.department deptId, d.name deptNameFROM ding_user uLEFT JOINding_dept dON u.department = d.id ) aON a.userId = g.userId <where><if test="processStatus!=null and processStatus!=''">g.status in <foreach collection="processStatus" item="processStatus" open="(" separator="," close=")">#{processStatus}</foreach></if><if test="processResult!=null and processResult!=''">AND g.result = #{processResult}</if><if test="startDate!=null and startDate!=''">AND g.submitTime <![CDATA[>=]]> #{startDate}</if><if test="endDate!=null and endDate!=''">AND g.submitTime <![CDATA[<=]]> #{endDate}</if><if test="deptId!=null and deptId!=''">AND FIND_IN_SET(a.deptId,getChildDepts(#{deptId})) </if><if test="userId!=null and userId!=''">AND a.userid in <foreach collection="userId" item="userId" open="(" separator="," close=")">#{userId}</foreach></if></where></select>
</mapper>

package com.vooledingtalk.dao;import java.util.HashMap;
import java.util.List;
import java.util.Map;import org.springframework.stereotype.Repository;import com.vooledingtalk.pojo.GoOutProcessPOJO;@Repository
public interface GoOutProcessMapper {/*** 添加外出审批记录* @param DingCheckinRecord* @return*/int insertGooutProcess(GoOutProcessPOJO goOutProcessPOJO);/*** 根据businessId判断记录是否存在 * @param dingUser* @return*/int isExist(GoOutProcessPOJO goOutProcessPOJO);/***  根据businessId status 和 result 判断记录是否有状态更新* @param goOutProcessPOJO* @return*/int hasStatusResultChange(GoOutProcessPOJO goOutProcessPOJO);//   List<Map> selectAll();/** * 更新已有记录的 status 和 result 字段*/int updateRecodeDate(GoOutProcessPOJO goOutProcessPOJO);List<HashMap<String, Object>> selectShowData(HashMap<String, Object> map);int countShowData(HashMap<String, Object> map);List<Map> selectExportData(Map map);
}

Service

package com.vooledingtalk.service;import java.util.HashMap;
import java.util.List;
import java.util.Map;import com.vooledingtalk.pojo.GoOutProcessPOJO;public interface GoOutProcessService {List<HashMap<String, Object>> getTableData(HashMap<String, Object> map);int countTableData(HashMap<String, Object> map);List<Map> selectExportData(Map map);
}

package com.vooledingtalk.service.impl;import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;import com.vooledingtalk.dao.GoOutProcessMapper;
import com.vooledingtalk.service.GoOutProcessService;@Service
public class GoOutProcessServiceImpl implements GoOutProcessService {@Autowiredprivate GoOutProcessMapper goOutProcessMapper;public List<HashMap<String, Object>> getTableData(HashMap<String, Object> map) {return goOutProcessMapper.selectShowData(map);}public int countTableData(HashMap<String, Object> map) {       return goOutProcessMapper.countShowData(map);}public List<Map> selectExportData(Map map) {// TODO Auto-generated method stubreturn goOutProcessMapper.selectExportData(map);}}

Controller

package com.vooledingtalk.controller;import java.util.HashMap;
import java.util.List;
import java.util.Map;import javax.servlet.http.HttpServletRequest;import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.vooledingtalk.common.Page;
import com.vooledingtalk.pojo.GoOutProcessPOJO;
import com.vooledingtalk.service.GoOutProcessService;import net.sf.json.JSONArray;
import net.sf.json.JSONObject;@Controller
public class GoOutProcessController {@Autowiredprivate GoOutProcessService goOutProcessService;@RequestMapping("/goout")public String toGoOutPrcess(){return "goout";}@RequestMapping("/goout/list")@ResponseBodypublic HashMap<String, Object> showTableData(@RequestParam(value="deptId", required=false,defaultValue="")String deptId,@RequestParam(value="userIds", required=false,defaultValue="")String userIds,@RequestParam(value="processStatus", required=false,defaultValue="")String processStatus,@RequestParam(value="processResult",required=false,defaultValue="")String processResult,@RequestParam(value="startDate", required=false, defaultValue="")String startDate,@RequestParam(value="endDate", required=false, defaultValue="")String endDate,@RequestParam(value="page", required=false)int page,@RequestParam(value="rows", required=false)int rows) {Page dataPage = new Page(page, rows);HashMap<String, Object> map = new HashMap<String, Object>();map.put("deptId", deptId);map.put("userId", userIds);map.put("processStatus", processStatus);map.put("processResult", processResult);map.put("startDate", startDate);map.put("endDate", endDate);map.put("firstPage", dataPage.getFirstPage());map.put("rows", rows);int total = goOutProcessService.countTableData(map);System.out.println("--total---" + total);List<HashMap<String, Object>> data = goOutProcessService.getTableData(map);HashMap<String, Object> resultMap = new HashMap<String, Object>();resultMap.put("rows", data);resultMap.put("total", total);return resultMap;}//导出数据@RequestMapping(value = "/exportgoout")public String exportTaskCountReportData(HttpServletRequest request) throws Exception {String conditionParams = java.net.URLDecoder.decode(request.getParameter("exportParams"), "UTF-8");Map params = new HashMap();JSONArray jsonArray = JSONArray.fromObject(conditionParams);for (int i = 0; i < jsonArray.size(); i++) {try {JSONObject jsonObject = (JSONObject) jsonArray.get(i);params.put(jsonObject.get("name"), jsonObject.get("value").toString().equals("[]") ? "" : jsonObject.get("value"));} catch (Exception e) {break;}}List<Map> list = goOutProcessService.selectExportData(params);request.setAttribute("data", list);return "export_goout";}
}

前端

goout.jsp

<%@ page language="java" import="java.util.*" contentType="text/html;charset=utf-8"

pageEncoding="utf-8"%> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv=Content-Type content="text/html;charset=utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> <meta content="yes" name="apple-mobile-web-app-capable" /> <meta content="black" name="apple-mobile-web-app-status-bar-style"> <meta content="telephone=no" name="format-detection" /> <meta content="yes" name="apple-touch-fullscreen" /> <meta name="viewport" content="width=device-width,initial-scale=1.0,maximum-scale=1.0,minimum-scale=1.0,user-scalable=no" />  <link rel="stylesheet" type="text/css" href="js/jquery-easyui-1.4.1/themes/default/easyui.css"> <link rel="stylesheet" type="text/css" href="js/jquery-easyui-1.4.1/themes/icon.css"> <link rel="stylesheet" type="text/css" href="js/jquery-easyui-1.4.1/themes/color.css"> <script type="text/javascript" src="js/jquery-easyui-1.4.1/jquery.min.js"></script> <script type="text/javascript" src="js/jquery-easyui-1.4.1/jquery.easyui.min.js"></script> <title>外出审批报表</title> </head> <% request.setAttribute("checkin", "/vooleding/checkin"); request.setAttribute("goout", "/vooleding/goout"); request.setAttribute("supplementrecord", "/vooleding/supplementrecord"); %> <script type="text/javascript"> var path = "<%=request.getContextPath()%>"; var checkin = "<%=request.getAttribute("checkin")%>"; var goout = "<%=request.getAttribute("goout")%>"; var supplementrecord = "<%=request.getAttribute("supplementrecord")%>"; </script> <body> <div style="margin-left: 5%; margin-right: 5%;"> <div> <table> <tr> <td><a href="/vooleding"><font size="5">首页</font></a></td> </tr> <tr> <td><a href="${checkin}"><font size="5">签到考勤报表</font></a></td> </tr> <tr> <td><a href="${supplementrecord}"><font size="5">补打卡审批报表</font></a></td> </tr> </table> </div> <br> <div> <table> <tr> <td>审批状态</td> <td><input id="processStatus"></td> <td>审批结果</td> <td><input id="processResult"></td> </tr> <tr> <td>部门</td> <td><input id="deptId"></td> <td>姓名</td> <td><input id="userId"></td> </tr> <tr> <td>查询开始时间</td> <td> <input id="startDate" class="easyui-datebox" data-options="formatter:myformatter,parser:myparser" style="width:100%;"> </td> <td>查询结束时间</td> <td> <input id="endDate" class="easyui-datebox" data-options="formatter:myformatter,parser:myparser" style="width:100%;"> </td> </tr> <tr> <td colspan="4"></td> </tr> <tr> <td colspan="2"> <input type="button" value="查询" id="query" class="easyui-linkbutton c8" style="width:120px"> </td> <td colspan="2"> <input type="button" value="重置" id="reset" class="easyui-linkbutton c2" style="width:120px"> </td> </tr> <tr> <td colspan="4"> <a id="exportGooutData" href="javascript:exportGooutData();"><button style="width:120px;background: #3366FF;">导出</button></a> </td> </tr> </table> </div> <br> <div> <table id="dataTable"></table> </div> </div> <script type="text/javascript"> var path = "<%=request.getContextPath()%>"; </script> <script type="application/javascript" src="js/micriDingtalk/goout.js"></script> <script type="text/javascript"> function myformatter(date){ var y = date.getFullYear(); var m = date.getMonth()+1; var d = date.getDate(); return y+'-'+(m<10?('0'+m):m)+'-'+(d<10?('0'+d):d); } function myparser(s){ if (!s) return new Date(); var ss = (s.split('-')); var y = parseInt(ss[0],10); var m = parseInt(ss[1],10); var d = parseInt(ss[2],10); if (!isNaN(y) && !isNaN(m) && !isNaN(d)){ return new Date(y,m-1,d); } else { return new Date(); } } </script> </body> </html>

goout.js


var queryParams = {};
var exportParams = [];
$(document).ready(function(){//初始化审批状态和审批结果$("#processResult").combobox({url:'json/processResult.json',valueField:'id',textField:'text'});$('#processStatus').combobox({url:'json/processStatus.json',valueField:'id',textField:'text',multiple:true//设置是否可多选});//初始化部门list//初始部门列表$("#deptId").combotree ({url:path+"/record/deptlist?deptid=0",  onBeforeExpand:function(node) {$("#deptId").combotree("tree").tree("options").url = path+"/record/deptlist?deptid=" + node.id;},onSelect:function(node){var url = path + '/userlist?deptId=' + node.id;$("#userId").combobox('reload', url);}}); //初始化人员list$("#userId").combobox({url:path + '/userlist?deptId=' + $("#deptId").combotree("getValue"),valueField:'id',textField:'text',multiple:true//设置是否可多选});//查询按钮的单机事件$("#query").on('click',function(t){queryParams = {processStatus:$("#processStatus").combobox('getValues'),processResult:$("#processResult").combobox('getValue'),deptId:$("#deptId").combotree('getValue'),userIds:$("#userId").combobox('getValues'),startDate:$("#startDate").datebox('getValue'),endDate:$("#endDate").datebox('getValue')};$("#dataTable").datagrid('reload', queryParams);exportParams = [{"name":"processStatus","value":$("#processStatus").combobox('getValues')},{"name":"processResult","value":$("#processResult").combobox('getValue')},{"name":"deptId","value":$("#deptId").combotree('getValue')},{"name":"userIds","value":$("#userId").combobox('getValues')},{"name":"startDate","value":$("#startDate").datebox('getValue')},{"name":"endDate","value":$("#endDate").datebox('getValue')}];});$("#reset").on('click',function(t){$("#processStatus").combobox('clear');$("#processResult").combobox('clear');$("#userId").combobox('clear');$("#deptId").combotree('clear');//   console.log($("#startDate").datebox('getValue'));$("#startDate").datebox('clear');$("#endDate").datebox('clear');exportParams = [];});var frozenColumns = [{field:'userName',title:'姓名'},{field:'userId',title:'员工ID'},{field:'deptName',title:'部门名称'}];var cols = [{field:'timeSnippet',title:'外出时间段'},{field:'destination',title:'目的地'},{field:'reason',title:'外出原因'},{field:'processStatus',title:'审批状态'},{field:'processResult',title:'审批结果'}];//初始化数据表$("#dataTable").datagrid({url: path + "/goout/list",method:"post",pageSize:8,pageList: [8,16],pagination:true,queryParams: queryParams,title:"外出审批列表",columns:[cols],frozenColumns:[frozenColumns]});});function exportGooutData() {var c1 = JSON.stringify(exportParams);c1 = encodeURI(encodeURI(c1));
//  location.href = 'exportOANoteRateData?conditionParams=' + c +'&'+ 'menuParam=' + c1 ;location.href = 'exportgoout?exportParams=' + c1;
}

export_goout.jsp

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<%@ page import="java.util.HashMap"%>
<%@ page import="java.text.DecimalFormat"%>
<%@ page import="java.util.*"%>
<%@ page isELIgnored="false"%>
<%String path = request.getContextPath();String basePath = request.getScheme() + "://" + request.getServerName() + ":" + request.getServerPort()+ path + "/";
%>
<!-- 导出外出审批统计报表数据 -->
<%response.reset();//response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");response.setContentType(" application/vnd.ms-excel");//独立打开excel软件   String s = "外出审批统计报表"+"-"+new Date().toLocaleString()+".xls";String fileName  = new String(s.getBytes("GB2312"), "ISO_8859_1");response.setHeader("Content-Disposition", "attachment;filename=\""+fileName);//response.setHeader("Content_Length","4");response.setCharacterEncoding("UTF-8");
%>
<!DOCTYPE HTML>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<html>
<head>
</head>
<body><table border="1"><tr><th>姓名</th><th>员工ID</th><th>部门名称</th><th>外出时间段</th><th>目的地</th><th>外出原因</th><th>审批状态</th><th>审批结果</th> </tr><c:forEach items="${data}" var="p" varStatus="s"><tr><td>${p.userName}</td><td>${p.userId}</td><td>${p.deptName}</td><td>${p.timeSnippet}</td><td>${p.destination}</td><td>${p.reason}</td><td>${p.processStatus}</td><td>${p.processResult}</td>                       </tr></c:forEach></table>
</body></html>

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