都是说Struts2的拦截器给拦截了 但是我把改了之后 还是为空 请教各位！！
[code="java"]
public class FileUpload extends HttpServlet {
/**
* Destruction of the servlet. <br>
*/
private String uploadPath = "E:\\save\\";
private File tempPath = new File("E:\\save\\tmp\\");
public void destroy() {
super.destroy();
}
public void fileUpLoad(HttpServletRequest req, HttpServletResponse res)
throws ServletException, IOException {
res.setContentType("text/html; charset=utf-8");
PrintWriter out = res.getWriter();
System.out.println(req.getContentLength());
System.out.println(req.getContentType());
DiskFileItemFactory factory = new DiskFileItemFactory();
factory.setSizeThreshold(4096);
factory.setRepository(new File("E:\\save\\temp"));
ServletFileUpload upload = new ServletFileUpload(factory);
upload.setSizeMax(1000000);
try {
List fileItems = upload.parseRequest(req);
Iterator iter = fileItems.iterator();
// 正则匹配，过滤路径取文件名
String regExp = ".+\\\\(.+)$";
// 过滤掉的文件类型
String[] errorType = { ".exe", ".com", ".cgi", ".asp" };
Pattern p = Pattern.compile(regExp);
while (iter.hasNext()) {
FileItem item = (FileItem) iter.next();
// 忽略其他不是文件域的所有表单信息
if (!item.isFormField()) {
String name = item.getName();
long size = item.getSize();
if ((name == null || name.equals("")) && size == 0)
continue;
Matcher m = p.matcher(name);
boolean result = m.find();
if (result) {
for (int temp = 0; temp < errorType.length; temp++) {
if (m.group(1).endsWith(errorType[temp])) {
throw new IOException(name + ": wrong type");
}
}
try {
// 保存上传的文件到指定的目录
// 在下文中上传文件至数据库时，将对这里改写
item.write(new File("E:\\save" + m.group(1)));
out.print(name + " " + size + "<br>");
} catch (Exception e) {
out.println(e);
}
} else {
throw new IOException("fail to upload");
}
}
}
} catch (IOException e) {
e.printStackTrace();
} catch (FileUploadException e) {
e.printStackTrace();
}
[/code]
Action Code
[code="java"]
FileUpload f = new FileUpload();
HttpServletRequest req = ServletActionContext.getRequest();
HttpServletResponse res = ServletActionContext.getResponse();
f.fileUpLoad(req,res);
[/code]
web.xml
[code="java"]
struts2
org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter
struts2
*.action
[/code]
jsp:
[code="java"]
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
导入联系人
<br> function importE(){<br> var file = document.getElementById("file").value;<br> if( "" == file){<br> alert("请选择导入的文件！");<br> return false;</p> <pre><code> return true; } </code></pre> <p>
<body>
<form id="importForm" method="post" enctype="multipart/form-data" action="contactAction!importContact.action">
<input type="file" name="file" id="file" />
<input type="submit" name="Submit" value="导入" onclick="importE()" />
${msg}
<c:remove var="msg" scope="session" />
</form>
</body>
[/code]
请教各位 看下哪里错了 实在搞不出来了！！
