点击导入excel,文件没上传，后台没反应
index.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta http-equiv="X-UA-Compatible" content="IE=9; IE=8; IE=7; IE=EDGE" />
<title>JavaWeb实现导入导出</title>
<link href="css/all.css" rel="stylesheet" type="text/css" />
<link href="css/pop.css" rel="stylesheet" type="text/css" />
<link href="css/index.css" rel="stylesheet" type="text/css" />
<script src="js/index.js" type="text/javascript"></script>
</head>
<body>
<!-- 蒙版DIV -->
<div id="mengban" style="display: none"></div>
<form method="post">
<div id="header">
<div class="iheader">
<div class="logo">
<a href="#"><img src="" alt="" height="88px" width="99px" /></a>
</div>
<div style="height: 44px;"></div>
<ul class="nav" id="mainMenuUl">
<li class="on"><a><span>导入/导出</span></a></li>
</ul>
</div>
</div>
<div id="container">
<table style="vertical-align: top" cellspacing="0" cellpadding="0"
bgcolor="#e1e9eb" border="0">
<tbody>
<tr>
<td class="leftTd" style="vertical-align: top" width="150">
<div class="left">
<div class="ileft" id="menuDiv">
<h3 onclick="clickSecondMenu(this,'${basePath}/importExcelInitServlet')">
<a>导入Excel</a>
</h3>
<h3 onclick="clickSecondMenu(this,'${basePath}/exportExcelInit')">
<a>导出Excel</a>
</h3>
<h3 onclick="clickSecondMenu(this,'${basePath}/importWordInit')">
<a>导入Word</a>
</h3>
<h3 onclick="clickSecondMenu(this,'${basePath}/exportWordInit')">
<a>导出Word</a>
</h3>
</div>
</div>
</td>
<td width="7">
<div class="pointer"></div>
</td>
<td style="vertical-align: top" height="600px" width="100%">
<br/><iframe id="mainPage" src="" frameborder="0" height="580px" width="100%"></iframe><br />
</td>
</tr>
</tbody>
</table>
</div>
<div id="footer">
<div class="copyright">慕课网</div>
<div class="flr">copyright ©</div>
</div>
</form>
</body>
</html>
importExcel.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=9; IE=8; IE=7; IE=EDGE"/>
<title></title>
<link rel="stylesheet" type="text/css" href="css/all.css"/>
<link rel="stylesheet" type="text/css" href="css/pop.css"/>
<link rel="stylesheet" type="text/css" href="css/main.css"/>
</head>
<body style="background: #e1e9eb;">
<form id="mainForm" method="post" enctype="multipart/form-data" action="${basePath}/importExcelServlet">
<div class="right">
<div class="current">当前位置：<a href="###">导入/导出</a> > 导入Excel</div>
<div class="rightCont">
<p class="g_title fix">导入</p>
<table class="tab1" width="100%">
<tbody>
<tr>
<td align="right" width="10%">标题<font color="red">*</font>：</td>
<td width="30%">
<input id="title" name="title" class="allInput" style="width:100%;" type="text"/>
</td>
<td align="right" width="10%">选择文件<font color="red">*</font>：</td>
<td width="30%">
<input type="file" name="excel" style="width:100%;"/>
</td>
</tr>
</tbody></table>
<div style="text-align: center; margin-top: 30px;">
<input class="tabSub" value="导 入" onclick="document.getElementById('mainForm').submit();" type="button" />
</div>
</div>
</div>
</form>
</body>
</html>package org.imooc.util;
import org.apache.commons.fileupload.FileItem;
import java.io.File;
public class FileUtil {
public static final String SAVE_PATH = "D:/java/Excel/upload/";
public static String save(FileItem fileItem,String path){
String fileName = System.currentTimeMillis()+"_"+ fileItem.getName();
try {
fileItem.write(new File(path + fileName));
} catch (Exception e) {
e.printStackTrace();
}
return fileName;
}
}
package org.imooc.util;
import com.sun.deploy.net.HttpRequest;
import org.apache.commons.fileupload.FileItem;
import org.apache.commons.fileupload.FileUploadException;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.fileupload.servlet.ServletFileUpload;
import org.imooc.dto.ParamDto;
import javax.servlet.http.HttpServletRequest;
import java.io.UnsupportedEncodingException;
import java.util.List;
public class RequestUtil {
public static ParamDto parseParam(HttpServletRequest request) throws UnsupportedEncodingException {
ParamDto result = new ParamDto();
ServletFileUpload upload = new ServletFileUpload(new DiskFileItemFactory());
upload.setHeaderEncoding("UTF-8");
try {
List<FileItem> fileItems = upload.parseRequest(request);
for (FileItem fileItem : fileItems) {
if (fileItem.isFormField()) {
result.getParamMap().put(fileItem.getFieldName(),fileItem.getString("UTF-8"));
} else {
result.getFileMap().put(fileItem.getFieldName(),fileItem);
}
}
} catch (FileUploadException e) {
e.printStackTrace();
}
return result;
}
}
package org.imooc.servlet;
import org.apache.commons.fileupload.FileItem;
import org.apache.commons.fileupload.FileUploadException;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.fileupload.servlet.ServletFileUpload;
import org.imooc.dto.ImportExcelParamDto;
import org.imooc.dto.ImportExcelResultDto;
import org.imooc.dto.ParamDto;
import org.imooc.service.ExcelService;
import org.imooc.util.RequestUtil;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.List;
@WebServlet(name = "ImportExcelServlet")
public class ImportExcelServlet extends HttpServlet {
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
if (ServletFileUpload.isMultipartContent(request)) {
ParamDto dto = RequestUtil.parseParam(request);
ImportExcelParamDto paramDto = new ImportExcelParamDto();
paramDto.setTitle(dto.getParamMap().get("title"));
paramDto.setExcel(dto.getFileMap().get("excel"));
ExcelService service = new ExcelService();
ImportExcelResultDto resultDto = service.imp(paramDto);
request.setAttribute("result", resultDto);
}
request.getRequestDispatcher("/WEB-INF/jsp/importExcelResult.jsp").forward(request,response);
}
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
this.doPost(request,response);
}
}
package org.imooc.servlet;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
public class ImportExcelInitServlet extends HttpServlet {
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
request.getRequestDispatcher("/WEB-INF/jsp/importExcel.jsp").forward(request,response);
}
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
this.doPost(request,response);
}
}
正在回答
你的上传界面是没有问题的吧？就是上传Excel到后台时提交后没有反应吧？
建议同学通过F12看一下浏览器控制台报的什么错误，你根据错误修改一下~
另外，你没有贴出来的代码是不是跟老师的源码一致，如果不一致的话，建议同学把你的相关文件贴全，方便我们运行你的代码帮助你调试。
祝学习愉快！
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