java上传excel文件及解析

一、准备工作

　　1.1 文件上传插件：swfupload；

　　1.2 文件上传所需jar包：commons-fileupload-1.3.1.jar和commons-io-2.2.jar；

　　1.3 解析excel所需jar包：dom4j-1.6.1.jar,poi-3.8-20120326.jar,poi-ooxml-3.8-20120326.jar,poi-ooxml-schemas-3.8-20120326.jar和xmlbeans-2.3.0.jar

　　1.4目录结构

二、代码展示

　　2.1 客户端代码设计

　　JSP部分

 1 <%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
 2 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
 3 <html>
 4     <head>  
 5         <title>excel导入演示</title>
 6         <%@ include file="commons/jsp/include.jsp" %>
 7         <script type="text/javascript" src="<c:url value="/commons/js/swfupload/swfupload.js" />"></script>
 8         <script type="text/javascript" src="index.js"></script>
 9     </head>  
10     <body>
11         <table>
12             <tbody>
13                 <tr>
14                     <td align="right">导入排班信息</td>
15                     <td>
16                         <input id="FILENAME" maxlength="256" type="text" class="" readonly/>
17                         <input id="saveFileName" type="hidden"/>
18                     </td>
19                     <td>
20                         <span id="ButtonPlaceholder"></span>
21                         <input onclick="readExcel();" type="button" value="导入"/>
22                     </td>
23                 </tr>
24             </tbody>
25         </table>
26     </body>
27 </html>

View Code

　　js文件

  1 var uploadItem;
  2 // 页面加载
  3 $(function() {
  4     // 必须是页面加载完毕后，再实例化该对象
  5     uploadItem = new UploadItem();
  6 });
  7 
  8 /**
  9  * 导入Excel
 10  * @returns
 11  */
 12 function readExcel() {
 13     var FILENAME = $("#saveFileName").val();// 上传文件
 14     if(FILENAME == ""){
 15         Dialog.Alert('消息提示',"请点击浏览按钮选择EXCEL文件！",null,null,100);
 16         return;
 17     }
 18     
 19     var param = "FILENAME=" + FILENAME;//文件名字
 20     $.ajax({
 21         type : 'POST',
 22         url : baseUrl + "/readExcel.do",
 23         data : param,
 24         success : function(result) {
 25             var result = eval("(" + result + ")");
 26             $get('FILENAME').value = "";
 27             $get('saveFileName').value = "";
 28             // 返回执行结果
 29             var returnMsg = result.msg;
 30             if ("数据导入成功！" != result.msg) {
 31                 returnMsg = result.expMsg;
 32             }
 33             alert(returnMsg);
 34         }
 35     });
 36 }
 37 /*
 38  * SWFUpload 浏览按钮：上传文件到文件夹
 39  */
 40 function UploadItem() {
 41     var object = this;
 42     
 43     this.settings_object = {
 44         flash_url : baseUrl + "/commons/js/swfupload/swfupload.swf",
 45         upload_url : baseUrl + "/uploadExcel.do",
 46         file_post_name : "uploadFile",
 47         post_params:{"test":"测试参数传递"},
 48         file_size_limit : "20 MB",
 49         file_types : "*.xls;*.xlsx",
 50         file_types_description : "excel File",
 51         file_upload_limit : "0",
 52 
 53         file_queued_handler : fileQueued,// 指定文件上传事件
 54         upload_error_handler : uploadError,// 指定上传异常处理事件
 55         file_queue_error_handler : fileQueueError,//文件上传校验事件异常处理
 56         upload_success_handler : uploadSuccess,// 指定上传成功事件
 57 
 58         button_image_url : baseUrl + "/commons/images/browser.gif",
 59         button_placeholder_id : "ButtonPlaceholder",// 根据ID绑定浏览按钮及事件
 60         button_width : 69,
 61         button_height : 21,
 62 
 63         debug : false
 64     };
 65 
 66     this.swfu = new SWFUpload(object.settings_object);
 67     
 68     /**
 69      * 开始上传
 70      */
 71     this.startUpload = function () {
 72         object.swfu.startUpload();
 73     };
 74     
 75 }
 76 
 77 function fileQueued(file) {
 78     uploadItem.startUpload();
 79 };
 80 
 81 /**
 82  * 上传成功
 83  * @param file
 84  * @param serverData
 85  * @returns
 86  */
 87 function uploadSuccess(file, result) {
 88     var result = eval("(" + result + ")");
 89     $get("FILENAME").value = result.oldFileName;
 90     $get("saveFileName").value = result.saveFileName;
 91 }
 92 
 93 function fileQueueError(file, errorCode, message) {
 94     switch (errorCode) {
 95     case -100:
 96         message = "您上传的文件过大！";// QUEUE_LIMIT_EXCEEDED
 97         break;
 98     case -110:
 99         message = "您上传的文件过大！";// FILE_EXCEEDS_SIZE_LIMIT
100         break;
101     case -120:
102         message = "您上传的文件类型不正确！";// ZERO_BYTE_FILE
103         break;
104     case -130:
105         message = "您上传的文件类型格式错误！";// INVALID_FILETYPE
106         break;
107     default:
108         break;
109     }
110 
111     alert(result.msg);
112     $get('FILENAME').focus();
113 };
114 
115 /**
116  * 上传失败
117  * @param file
118  * @param errorCode
119  * @returns
120  */
121 function uploadError(file, errorCode) {
122     var result = eval("(" + errorCode + ")");
123     alert(result.msg);
124 };

View Code

　　2.2 服务器端代码设计

　　文件上传代码

  1 package controller;
  2 
  3 import java.io.File;
  4 import java.io.IOException;
  5 import java.io.PrintWriter;
  6 import java.util.Calendar;
  7 import java.util.Iterator;
  8 import java.util.List;
  9 import javax.servlet.ServletException;
 10 import javax.servlet.annotation.WebServlet;
 11 import javax.servlet.http.HttpServlet;
 12 import javax.servlet.http.HttpServletRequest;
 13 import javax.servlet.http.HttpServletResponse;
 14 import org.apache.commons.fileupload.FileItem;
 15 import org.apache.commons.fileupload.FileItemFactory;
 16 import org.apache.commons.fileupload.disk.DiskFileItemFactory;
 17 import org.apache.commons.fileupload.servlet.ServletFileUpload;
 18 
 19 /**
 20  * Servlet implementation class UploadExcel
 21  */
 22 @WebServlet("/uploadExcel.do")
 23 public class UploadExcelController extends HttpServlet {
 24     private static final long serialVersionUID = 1L;
 25 
 26     protected void doGet(HttpServletRequest request, HttpServletResponse response)
 27             throws ServletException, IOException {
 28         this.doPost(request, response);
 29     }
 30 
 31     protected void doPost(HttpServletRequest request, HttpServletResponse response)
 32             throws ServletException, IOException {
 33         // 指定保存路径
 34         String fileSavePath = "/upload";
 35         String rootPath = this.getServletContext().getRealPath("");
 36         fileSavePath = rootPath + fileSavePath;
 37         // 获取前台传参
 38         String param = request.getParameter("test");
 39         System.out.println("获取前台参数：" + param);
 40 
 41         // 上传操作
 42         FileItemFactory factory = new DiskFileItemFactory();
 43         ServletFileUpload upload = new ServletFileUpload(factory);
 44         upload.setHeaderEncoding("UTF-8");
 45         String saveFileName = "";
 46         String oldFileName = "";
 47         try {
 48             List items = upload.parseRequest(request);
 49             if (null != items) {
 50                 Iterator itr = items.iterator();
 51                 while (itr.hasNext()) {
 52                     FileItem item = (FileItem) itr.next();
 53                     if (!item.isFormField()) {// 文件格式
 54                         // 以当前精确到秒的日期为上传的文件的文件名
 55                         saveFileName = this.getServerSysDateAndTimeAsCode();
 56                         oldFileName = item.getName();
 57                         String fileType = oldFileName.substring(oldFileName.lastIndexOf("."));
 58                         saveFileName += fileType;
 59                         // 空文件对象路径+文件名
 60                         File savedFile = new File(fileSavePath, saveFileName);
 61                         // 写入
 62                         item.write(savedFile);
 63                     }
 64                 }
 65             }
 66 
 67             StringBuffer sb = new StringBuffer();
 68             // key和value两边都必须带""
 69             sb.append("{").append("\"oldFileName\"").append(":").append("\"").append(oldFileName).append("\"")
 70                     .append(",").append("\"saveFileName\"").append(":").append("\"").append(saveFileName).append("\"").append("}");
 71             // json字符串：文件名称及文件路径
 72             String returnMsg = sb.toString();
 73             System.out.println(returnMsg);
 74             // 返回信息
 75             response.setContentType("text/html; charset=UTF-8");
 76             PrintWriter out = response.getWriter();
 77 
 78             // 返回页面
 79             out.print(returnMsg);
 80 
 81         } catch (Exception e) {
 82             e.printStackTrace();
 83         }
 84 
 85     }
 86 
 87     /**
 88      * 获得当前日期【long型】作为文件名称
 89      * @return
 90      */
 91     public String getServerSysDateAndTimeAsCode() {
 92         String result = null;
 93         long currentTimeInMilis = Calendar.getInstance().getTimeInMillis();
 94         result = String.valueOf(currentTimeInMilis);
 95         return result;
 96     }
 97 }　　
 98 　　解析excel
 99 
100 package controller;
101 
102 import java.io.File;
103 import java.io.IOException;
104 import java.io.PrintWriter;
105 import javax.servlet.ServletException;
106 import javax.servlet.annotation.WebServlet;
107 import javax.servlet.http.HttpServlet;
108 import javax.servlet.http.HttpServletRequest;
109 import javax.servlet.http.HttpServletResponse;
110 import bo.BoExcelImpl;
111 import bo.IBoExcel;
112 
113 /**
114  * Servlet implementation class AnalyzeExcelController
115  */
116 @WebServlet("/readExcel.do")
117 public class AnalyzeExcelController extends HttpServlet {
118     private static final long serialVersionUID = 1L;
119 
120     protected void doGet(HttpServletRequest request, HttpServletResponse response)
121             throws ServletException, IOException {
122         this.doPost(request, response);
123     }
124 
125     protected void doPost(HttpServletRequest request, HttpServletResponse response)
126             throws ServletException, IOException {
127         String FILENAME = request.getParameter("FILENAME");
128         String msg = "";
129         String expMsg = "";
130         IBoExcel boExcel = new BoExcelImpl();
131         try {
132             String path = this.getServletContext().getRealPath("/upload");
133             // 上传excel的绝对路径
134             path += File.separator + FILENAME;
135             // 解析excel数据
136             boolean isSuccess = boExcel.readExcel(path);
137 
138             if (isSuccess) {
139                 msg = "数据导入成功！";
140             } else {
141                 msg = "数据导入失败！";
142             }
143 
144         } catch (Exception e) {
145             expMsg = e.getMessage();
146         } finally {
147             StringBuffer sb = new StringBuffer();
148             sb.append("{").append("\"msg\"").append(":").append("\"").append(msg).append("\"").append(",")
149                     .append("\"expMsg\"").append(":").append("\"").append(expMsg).append("\"").append("}");
150             // json字符串：文件名称及文件路径
151             String returnMsg = sb.toString();
152             System.out.println(returnMsg);
153             
154             // 返回信息
155             response.setContentType("text/html; charset=UTF-8");
156             PrintWriter out = response.getWriter();
157 
158             // 返回页面
159             out.print(returnMsg);
160         }
161 
162     }
163 
164 }

View Code

　　业务层

 1 package bo;
 2 
 3 import java.io.File;
 4 import java.util.ArrayList;
 5 import java.util.List;
 6 import java.util.Map;
 7 import org.apache.log4j.Logger;
 8 import tools.ReadExcelUtils;
 9 
10 /**
11  * 
12  * @author Marydon
13  * @createTime 2018年3月2日下午8:01:07
14  * @updateTime
15  * @Email:Marydon20170307@163.com
16  * @version:1.0.0
17  */
18 public class BoExcelImpl implements IBoExcel {
19     private Logger log = Logger.getLogger(this.getClass());
20     
21     @Override
22     public boolean readExcel(String filePath) throws Exception {
23         try {
24             boolean isSuccess = false;
25             
26             ReadExcelUtils excelReader = new ReadExcelUtils(filePath);
27     
28             List<String> columnsList = new ArrayList<String>();
29             columnsList.add("ORG_ID");
30             columnsList.add("DEPENT_NAME");
31             columnsList.add("DOCTOR_NAME");
32             columnsList.add("DOCTOR_PHONE");
33             columnsList.add("SCHEDULE_DATE");
34             columnsList.add("WEEK_TXT");
35             columnsList.add("WB_TYPE");
36             columnsList.add("CLOSE_TZ");
37             columnsList.add("REPLACE_TZ");
38             
39             // 1.对读取Excel表格内容
40             List<Map> scheduleList = excelReader.readExcelContent(columnsList);
41             System.out.println(scheduleList);
42             
43             isSuccess = true;
44             
45             // 删除该上传的文件
46             File excelFile = new File(filePath);
47             if (excelFile.exists()) {
48                 excelFile.delete();
49             }
50             return isSuccess;
51         } catch (Exception e) {
52             log.error(e.getMessage());
53             throw new RuntimeException(e.getMessage(), e);
54         }
55     }
56 }

View Code

　　效果展示：

　　excel文件