java组件smartupload实现上传文件功能

java组件smartupload实现上传文件功能

使用jsp和serlvet来实现最简单的上传，供大家参考，具体内容如下

1、页面index.jsp

<%@ page language="java" pageEncoding="UTF-8"%>

<%

String path = request.getContextPath();

String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";

%>

姓名：

上传文件:

2、action跳转到了upload的servlet，所以要web.xml里面配置，web.xml:

xmlns:xsi="http://w3.org/2001/XMLSchema-instanchttp://e"

xsi:schemaLocation="http://java.sun.com/xml/ns/javaee

http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">

uploadAction

com.pop.action.SmartuploadAction

uploadAction

http:///upload/*

index.jsp

xmlns:xsi="http://w3.org/2001/XMLSchema-instanchttp://e"

xsi:schemaLocation="http://java.sun.com/xml/ns/javaee

http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">

uploadAction

com.pop.action.SmartuploadAction

uploadAction

http:///upload/*

index.jsp

3、映射到的action文件，SmartuploadAction.java:

package com.pop.action;

import java.io.IOException;

import javax.servlet.ServletException;

import javax.servlet.http.HttpServlet;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.httphttp://.HttpServletResponse;

import javax.servlet.jsp.JspFactory;

import javax.servlet.jsp.PageContext;

import com.soft4j.httpupload4j.Request;

import com.soft4j.httpupload4j.SmartUpload;

import com.soft4j.httpupload4j.SmartUploadException;

public class SmartuploadAction extends HttpServlet {

private static final long serialVersionUID = -8610555375032925108L;

@Override

protected void doPost(HttpServletRequest req, HttpServletResponse resp)

throws ServletException, IOException {

req.setCharacterEncoding("utf-8");

resp.setCharacterEncoding("utf-8");

SmartUpload su = new SmartUpload();

// 由于multipart/form-data的传输原因导致req不能使用，所以使用smartupload产生的request

Request reqest = su.getRequest();

// 获得pageContext对象

PageContext pageContext = JspFactory.getDefaultFactory()

.getPageContext(this, req, resp, null, true, 8192, true);

su.initialize(pageContext);

try {

su.upload();

// 上传到本项目的upload目录

su.save("upload");

} catch (SmartUploadException e) {

e.printStackTrace();

}

// 使用smartupload产生的reqest对象来获得页面传递的参数

String uname = reqest.getParameter("uname");

System.out.println(uname);

}

}

最后说明：使用的组件包为smartupload.zip。

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