各位前辈，各位大哥请看一看：关于servlet3.0文件上传filename为什么是绝对路径
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悬赏园豆：10
[待解决问题]
1 <%@ page language="java" contentType="text/html; charset=UTF-8" 2 pageEncoding="UTF-8"%> 3 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 4 <html> 5 <head> 6 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 7 <title>Insert title here</title> 8 </head> 9 <body> 10 <form action="FirstServlet" method="post" enctype="multipart/form-data"> 11 <input type="file" name="file"><br> 12 13 <input type="submit" value="submit"> 14 </form> 15 16 </body> 17 </html>
这是我的jsp代码，还有我的servlet代码为：
1 package servlet; 2 3 import java.io.File; 4 import java.io.IOException; 5 import java.io.PrintWriter; 6 7 import javax.servlet.ServletException; 8 import javax.servlet.annotation.MultipartConfig; 9 import javax.servlet.annotation.WebServlet; 10 import javax.servlet.http.HttpServlet; 11 import javax.servlet.http.HttpServletRequest; 12 import javax.servlet.http.HttpServletResponse; 13 import javax.servlet.http.Part; 14 15 /** 16 * Servlet implementation class FirstServlet 17 */ 18 @WebServlet(name="FirstServlet",urlPatterns={"/FirstServlet","/myservlet"}) 19 @MultipartConfig() 20 21 public class FirstServlet extends HttpServlet { 22 private static final long serialVersionUID = 1L; 23 24 protected void doPost(HttpServletRequest request, HttpServletResponse response) 25 throws ServletException, IOException { 26 Part part=request.getPart("file"); 27 28 String uploadedPath = request.getSession().getServletContext().getRealPath("/upload"); 29 30 String value=part.getHeader("content-disposition"); 31 32 System.out.println(value); 33 34 String filename=value.substring(value.lastIndexOf("=")+2,value.length()-1); 35 36 System.out.println(filename); 37 38 part.write(uploadedPath+"/"+filename); 39 } 40 41 42 43 44 }
我看网上的一些人说输出的请求头信息的内容是form-data; name="file"; filename="a.txt"
之类的，而我的输出的是form-data; name="file"; filename="G:\Users\Wenge\Desktop\aa.txt"
这是为什么呢？
还有就是如果这样了，那么最后一句part.write(uploadedPath+"/"+filename);就会出错，报（文件名、目录名或卷标语法不正确。)应该是和我的filename是绝对路径有关系
我应该怎么做才能将filename变成网上说的那样呢？？？！！！
希望能够得到您的解答，先谢谢了！！！
