使用Javaservlet和ApacheCommons库上传文件或图像
这是我的代码index.jsp使用Javaservlet和ApacheCommons库上传文件或图像,java,servlets,file-upload,Java,Servlets,File Upload,这是我的代码index.jsp <%-- Document : index Created on : 14 Feb, 2012, 4:46:05 AM Author : Sanjib Narzary --%> <%@page contentType="text/html" pageEncoding="UTF-8"%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transition
<%--
Document : index
Created on : 14 Feb, 2012, 4:46:05 AM
Author : Sanjib Narzary
--%>
<%@page contentType="text/html" 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>JSP Page</title>
</head>
<body>
<form action="/CBKD_WEB/img" method="post"
enctype="multipart/form-data"
name="productForm" id="productForm"><br><br>
<table width="400px" align="center" border=0
style="background-color:ffeeff;">
<tr>
<td align="center" colspan=2 style=" font-weight:bold;font-size:20pt;">
Image Details
</td>
</tr>
<tr>
<td align="center" colspan=2> </td>
</tr>
<tr>
<td>Image Link: </td>
<td>
<input type="file" name="file" id="file">
<td>
</tr>
<tr>
<td></td>
<td><input type="submit" name="Submit" value="Submit"></td>
</tr>
<tr>
<td colspan="2"> </td>
</tr>
</table>
</form>
</body>
</html>
它会击中你的servlet吗？尝试添加一些日志语句或sysout..它可能根本不会影响您的servlet。。这可能是一些浏览器代理问题。
import java.io.*;
import java.sql.*;
import java.util.*;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.regex.*;
import javax.servlet.*;
import javax.servlet.http.*;
import org.apache.commons.fileupload.FileItem;
import org.apache.commons.fileupload.FileItemFactory;
import org.apache.commons.fileupload.FileUploadException;
import org.apache.commons.fileupload.servlet.ServletFileUpload;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
//import org.apache.commons.fileupload.*;
public class img extends HttpServlet {
@Override
public void doPost(HttpServletRequest request,
HttpServletResponse response)
throws ServletException, IOException {
PrintWriter out = response.getWriter();
boolean isMultipart = ServletFileUpload.isMultipartContent(
request);
System.out.println("request: " + request);
if (!isMultipart) {
System.out.println("File Not Uploaded");
} else {
FileItemFactory factory = new DiskFileItemFactory();
ServletFileUpload upload = new ServletFileUpload(factory);
List items = null;
try {
items = upload.parseRequest(request);
} catch (FileUploadException ex) {
Logger.getLogger(img.class.getName()).log(Level.SEVERE, null, ex);
}
System.out.println("items: " + items);
Iterator itr = items.iterator();
while (itr.hasNext()) {
FileItem item = (FileItem) itr.next();
if (item.isFormField()) {
String name = item.getFieldName();
System.out.println("name: " + name);
String value = item.getString();
System.out.println("value: " + value);
} else {
try {
String itemName = item.getName();
Random generator = new Random();
int r = Math.abs(generator.nextInt());
String reg = "[.*]";
String replacingtext = "";
System.out.println("Text before replacing is:-"
+ itemName);
Pattern pattern = Pattern.compile(reg);
Matcher matcher = pattern.matcher(itemName);
StringBuffer buffer = new StringBuffer();
while (matcher.find()) {
matcher.appendReplacement(buffer, replacingtext);
}
int IndexOf = itemName.indexOf(".");
String domainName = itemName.substring(IndexOf);
System.out.println("domainName: " + domainName);
String finalimage = buffer.toString() + "_" + r + domainName;
System.out.println("Final Image===" + finalimage);
File savedFile = new File("E:/sanjib/" + "temp/" + finalimage);
item.write(savedFile);
out.println("<html>");
out.println("<body>");
out.println("<table><tr><td>");
out.println("<img src=images/" + finalimage + ">");
out.println("</td></tr></table>");
out.println("</body>");
out.println("</html>");
} catch (Exception e) {
}
}
}
}
}
}
This web page is not available
The connection to localhost was interrupted.
Here are some suggestions:
Reload this web page later.
Check your Internet connection. Reboot any routers, modems or other network devices that you may be using.
Add Google Chrome as a permitted programme in your firewall or antivirus software's settings. If it is already a permitted programme, try deleting it from the list of permitted programmes and adding it again.
If you use a proxy server, check your proxy settings or contact your network administrator to make sure that the proxy server is working. If you don't believe you should be using a proxy server, adjust your proxy settings: Go to the spanner menu > Options > Under the Bonnet > Change proxy settings... > LAN Settings and deselect the "Use a proxy server for your LAN" checkbox.
Error 101 (net::ERR_CONNECTION_RESET): The connection was reset.