日期:2014-05-16 浏览次数:20463 次
<?xml version="1.0" encoding="UTF-8" ?>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@ page import="com.jspsmart.upload.*"%>
<jsp:useBean id="mySmartUpload" scope="page"
class="com.jspsmart.upload.SmartUpload" />
<!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" />
<title>使用smartUpload上传文件</title>
</head>
<body>
<%
try {
//System.out.println(request.getInputStream());
//System.out.println(mySmartUpload.getRequest().getParameter("bookName"));//都还没用组件解析怎么可能会有值
mySmartUpload.initialize(pageContext);
mySmartUpload.upload();//解析完毕
System.out.println(mySmartUpload.getRequest().getParameter("bookName"));//可以取到一起提交的表单的附加值了
mySmartUpload.save("F:/upload/");//项目根目录下的upload文件夹下
out.println("文件上传成功!");
} catch (Exception e) {
e.printStackTrace();
}
%>
</body>
</html>
<?xml version="1.0" encoding="UTF-8" ?> <%@ 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" /> <title>上传图片</title> </head> <body> <form action="<%=request.getContextPath()%>/upload" method="post" enctype="multipart/form-data"> <input type="text" name="haha" value="haha"/> <input type="file" name="image" /> <input type="submit" value="提交" /></form> </body> </html>
package org.dean.servlet;
import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.StringReader;
import java.util.Hashtable;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
* Servlet implementation class UploadFileServlet
*/
public class UploadFileServlet extends HttpServlet {
private static final long serialVersionUID = -6087978448595987514L;
public void doPost(HttpServletRequest req, HttpServletResponse res)
throws ServletException, IOException {
final int NONE = 0; // 状态码,表示没有特殊操作
final int DATAHEADER = 1; // 表示下一行要读到报头信息
final int FILEDATA = 2; // 表示下面要读的是上传文件和二进制数据
final int FIELDDATA = 3; // 表示下面要读到表单域的文本值
// 请求消息实体的总长度(请求消息中除消息头之外的数据长度)
int totalbytes = req.getContentLength();
// 容纳请求消息实体的字节数组
byte[] b = new byte[totalbytes];
// 请求消息类型
String contentType = req.getContentType();
String fieldname = ""; // 表单域的名称
String fieldvalue = ""; // 表单域的值
String filename = ""; // 上传的文件名称
String boundary = ""; // 分界符字符串
String lastboundary = ""; // 结束分界符字符串
int fileSize = 0; // 文件长度
// 容纳表单域的名称/值的哈希表
Hashtable formfields = new Hashtable();
// 在消息头类型中找到分界符的定义
int pos = contentType.indexOf("boundary=");
String fileID; // 上传的文件ID
if (pos != -1) {
pos += "boundary=".length();
boundary = "--" + contentType.substring(pos); // 解析出分界符
lastboundary = boundary + "--"; // 得到结束分界符
}
int state = NONE; // 起始状态为NONE
// 得到请求消息的数据输入流
DataInputStream in = new DataInputStream(req.getInputStream());
in.readFully(b); // 根据长度,将消息实体的内容读入字节数组b中
in.close(); // 关闭数据流
String reqconte