uploadimg1.jsp
- Java code
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>Insert title here</title></head><body><FORM METHOD=POST ACTION="uploadimage2.jsp">名称：<INPUT TYPE="text" NAME="name"><br>图片：<INPUT TYPE="file" NAME="image"><br><INPUT TYPE="submit" value="提交"></FORM></body></html>
uploadimg2.jsp
- Java code
<%@ page contentType="text/html;charset=gb2312"%><%@ page import="java.util.*"%><%@ page import="java.text.*"%><%@ page import="java.io.*"%><%@ page import="com.sun.image.codec.jpeg.*"%><%@ page import="java.awt.image.*"%><%@ page import="java.awt.*"%><% String name=request.getParameter("name"); name=new String(name.getBytes("ISO-8859-1")); String ima=request.getParameter("image"); try{ String path=request.getRealPath("/"); FileOutputStream ot=new FileOutputStream(path+name+".jpg"); FileInputStream in = new FileInputStream(ima); JPEGImageDecoder jpgCodec=JPEGCodec.createJPEGDecoder(in); BufferedImage image=jpgCodec.decodeAsBufferedImage(); JPEGImageEncoder encoder=JPEGCodec.createJPEGEncoder(ot); encoder.encode(image); in.close(); ot.close(); out.print("上传成功！<br>"); out.print("<IMG width=200 height=200 src='"+name+"'.jpg >"); } catch(Exception e) { System.out.print(e.toString()); }%>------解决方案--------------------
<INPUT TYPE="file" NAME="image">是file类型的,不能用request.getParameter(String param)去值.而且<form enctype="multipart/form-data">应该这样,你要是不用工具包,建议还是用actionForm取值吧!!我只这么取过,没这么取,不好意思!!
------解决方案--------------------
<form enctype="multipart/form-data" >
建议用smartUpload或Struts自带的