commons-fileupload 上传图片为空,望：各位大神指教
0
悬赏园豆：20
[已关闭问题]
关闭于 2015-10-28 21:11
doAdd.jsp
<%@page import="java.util.Date"%>
<%@page import="com.pb.news.entity.News"%>
<%@page import="java.io.*,java.util.*,org.apache.commons.fileupload.*"%>
<%@page import="org.apache.commons.fileupload.disk.DiskFileItemFactory"%> <%@page import="org.apache.commons.fileupload.servlet.ServletFileUpload"%>
<%@ page language="java" 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"> <title>Insert title here</title>
</head>
<%@include file="common/common.jsp" %>
<body>
<% request.setCharacterEncoding("utf-8");
boolean bRet = false;
boolean bUpload = false;
String uploadFileName = "";
String fieldName = "";
News news = new News();
news.setCreateDate(new Date());
boolean isMultipart = ServletFileUpload.isMultipartContent(request);
String uploadFilePath = request.getSession().getServletContext().getRealPath("/upload/" );
if (isMultipart == true) {
FileItemFactory factory = new DiskFileItemFactory();
ServletFileUpload upload = new ServletFileUpload(factory);
try { List<FileItem> items = upload.parseRequest(request);
Iterator<FileItem> iter = items.iterator();
while (iter.hasNext()) {
FileItem item = (FileItem) iter.next();
if (item.isFormField()){
fieldName = item.getFieldName();
if (fieldName.equals("title")){
news.setTitle(item.getString("UTF-8"));
}else if(fieldName.equals("id")){
String id = item.getString();
if (id != null && !id.equals("")){
news.setId(Integer.parseInt(id));
}
}else if (fieldName.equals("categoryId")){
news.setCategoryId(Integer.parseInt(item.getString()));
}else if (fieldName.equals("summary")){
news.setSummary(item.getString("UTF-8"));
}else if (fieldName.equals("newscontent")){
news.setContent(item.getString("UTF-8"));
}else if(fieldName.equals("author")){
news.setAuthor(item.getString("UTF-8"));
}
}else{
String fileName = item.getName();
if (fileName != null && !fileName.equals("")) {
File fullFile = new File(item.getName());
File saveFile = new File(uploadFilePath, fullFile.getName()); item.write(saveFile);
uploadFileName = fullFile.getName();
news.setPicPath(uploadFileName);
bUpload = true;
}
}
}
} catch (Exception e) {
e.printStackTrace();
}
} System.out.println("上传成功后的文件名是：："+news.getPicPath());
//调用后台方法，将新闻信息插入数据库
bRet=newsService.addNews(news); %>
<% if (bRet) { response.sendRedirect("newsDetailList.jsp"); } else { response.sendRedirect("newsDetailCreate.jsp"); } %>
</body>
</html>
问题补充：
2.newsDetailCreate.jsp
<form name ="dataForm" id="dataForm" enctype="multipart/form-data"
action="<%=request.getContextPath()%>/jsp/doAdd.jsp" method="post" >
<table class="tb" border="0" cellspacing="5" cellpadding="0">
<thead>
<tr><td align="center" colspan="2" class="text_tabledetail2">增加</td></tr>
</thead>
…… ……
<tr>
<td class="text_tabledetail2">上传图片 </td>
<td><input type="file" name="picPath" value=""/></td>
</tr>
<tr>
<td style="text-align:center;" colspan="2">
<button type="submit" class="page-btn" name="save">保存</button>
<input type="hidden" name="id" value=""/>
<button type="button" class="page-btn" name="return" onclick="javascript:location.href='newsDetailList.jsp'">返回</button>
</td>
</tr>
…………
所有回答(1)
1
你可以参考下这个http://blog.csdn.net/fjssharpsword/article/details/6455992
