java Excel导出功能之 固定列表格

实现列数不变的数据导出

DAO

	

	
		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})
		
	
	
	
		select count(*) from goout_process where businessId = #{businessId}
	
	
	
		select count(*) from goout_process 
		where businessId = #{businessId}
		and status = #{status}
		and result = #{result}
	


 	
	
		update goout_process
		set status = #{status}, result = #{result}
		where businessId = #{businessId}
	
	
		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 processResult
				FROM goout_process g
				LEFT JOIN 		
				(
				SELECT u.userid userId , u.name userName, u.department deptId, d.name deptName
				FROM ding_user u
				LEFT JOIN
				ding_dept d
				ON u.department = d.id ) a
				ON a.userId = g.userId 
				
					
						g.status in 
							
								#{processStatus}
							
					
					
						AND g.result = #{processResult}
					
					
						AND g.submitTime =]]> #{startDate}
					
					
						AND g.submitTime  #{endDate}
					
					
						AND FIND_IN_SET(a.deptId,getChildDepts(#{deptId})) 
					
					
						AND a.userid in 
							
								#{userId}
							
					
				
				limit #{firstPage}, #{rows}
	
	

		SELECT count(*)
				FROM goout_process g
				LEFT JOIN 		
				(
				SELECT u.userid userId , u.name userName, u.department deptId, d.name deptName
				FROM ding_user u
				LEFT JOIN
				ding_dept d
				ON u.department = d.id ) a
				ON a.userId = g.userId 
				
					
						g.status in 
							
								#{processStatus}
							
					
					
						AND g.result = #{processResult}
					
					
						AND g.submitTime =]]> #{startDate}
					
					
						AND g.submitTime  #{endDate}
					
					
						AND FIND_IN_SET(a.deptId,getChildDepts(#{deptId})) 
					
					
						AND a.userid in 
							
								#{userId}
							
					
				
				
	
	
	
		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 processResult
				FROM goout_process g
				LEFT JOIN 		
				(
				SELECT u.userid userId , u.name userName, u.department deptId, d.name deptName
				FROM ding_user u
				LEFT JOIN
				ding_dept d
				ON u.department = d.id ) a
				ON a.userId = g.userId 
				
					
						g.status in 
							
								#{processStatus}
							
					
					
						AND g.result = #{processResult}
					
					
						AND g.submitTime =]]> #{startDate}
					
					
						AND g.submitTime  #{endDate}
					
					
						AND FIND_IN_SET(a.deptId,getChildDepts(#{deptId})) 
					
					
						AND a.userid in 
							
								#{userId}
							
					
				
	

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

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> getTableData(HashMap map);
	
	int countTableData(HashMap map);
	List

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 {
	@Autowired
	private GoOutProcessMapper goOutProcessMapper;
	
	
	public List> getTableData(HashMap map) {
		return goOutProcessMapper.selectShowData(map);
	}


	public int countTableData(HashMap map) {		
		return goOutProcessMapper.countShowData(map);
	}


	public List

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 {
	@Autowired
	private GoOutProcessService goOutProcessService;
	
	@RequestMapping("/goout")
	public String toGoOutPrcess(){
		return "goout";
	}
	
	@RequestMapping("/goout/list")
	@ResponseBody
	public HashMap 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 map = new HashMap();
		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> data = goOutProcessService.getTableData(map);
		HashMap resultMap = new HashMap();
		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

前端

goout.jsp

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

pageEncoding="utf-8"%> <% request.setAttribute("checkin", "/vooleding/checkin"); request.setAttribute("goout", "/vooleding/goout"); request.setAttribute("supplementrecord", "/vooleding/supplementrecord"); %>

首页

签到考勤报表

补打卡审批报表

审批状态		审批结果
部门		姓名
查询开始时间		查询结束时间
导出

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 + "/";
%>

<%
	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");
%>






	
			

		

		    
姓名
			
员工ID
			
部门名称
			
外出时间段
			
目的地
			
外出原因
			
审批状态
			
审批结果
	
		
		

				
${p.userName}
				
${p.userId}
				
${p.deptName}
				
${p.timeSnippet}
				
${p.destination}
				
${p.reason}
				
${p.processStatus}
				
${p.processResult}
						
			
		
	

总结: