struts2图片上传

我在一个项目中，比如一个注册页面，里面有一些必填的信息还有用户选择他们自定义自己的头像，但我在那的表单页面是调用UserAction类里的save方法，但在他们自己选择头像时，也要调用一个UploadAction把它上传到我的服务器里。
想问的就是在点提交时，如何调用这两个Action，即把他们的信息存入数据库，也要上传图片在我的服务器上..能有DEMO最好。。没分了，，求大虾帮忙，感激不尽。

解决方案 »

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action:
        //定义下面的三个变量获取要上传的图片
        private String upFileFileName;
private String upFileContentType;
private File upFile;

public String getUpFileFileName() {
return upFileFileName;
}
public String getUpFileContentType() {
return upFileContentType;
}
public File getUpFile() {
return upFile;
}
public void setUpFileFileName(String upFileFileName) {
this.upFileFileName = upFileFileName;
}
public void setUpFileContentType(String upFileContentType) {
this.upFileContentType = upFileContentType;
}
public void setUpFile(File upFile) {
this.upFile = upFile;
}在UploadAction中添加下面的代码
                 File data = new File(new File("上传的路径"),upFileFileName);
try {
if (!data.getParentFile().exists()) {
data.getParentFile().mkdirs();
}
if(data.exists()){
data.delete();
}
FileUtils.copyFile(upFile, data);
                            } catch (Exception e) {
super.addActionMessage("上传数据文件失败...");
e.printStackTrace();
}
页面上面添加          <input id="upFile"  name="upFile" type="file" />
一定是ok的，这是我这边的例子。
２.Action类
package com.sterning;import java.io.File;import javax.servlet.ServletContext;import org.apache.commons.io.FileUtils;
import org.apache.struts2.util.ServletContextAware;import com.opensymphony.xwork2.ActionSupport;public class StrutsFileUpload extends ActionSupport implements
        ServletContextAware {    private File upload;// 实际上传文件    private String uploadContentType; // 文件的内容类型    private String uploadFileName; // 上传文件名    private String fileCaption;// 上传文件时的备注    private ServletContext context;    public String execute() throws Exception {        try {

            String targetDirectory = context.getRealPath("/upload");
            String targetFileName = uploadFileName;
            File target = new File(targetDirectory, targetFileName);
            FileUtils.copyFile(upload, target);

            setUploadFileName(target.getPath());//保存文件的存放路径
        } catch (Exception e) {            addActionError(e.getMessage());            return INPUT;
        }        return SUCCESS;    }    public String getFileCaption() {
        return fileCaption;
    }    public void setFileCaption(String fileCaption) {
        this.fileCaption = fileCaption;
    }    public File getUpload() {
        return upload;
    }    public void setUpload(File upload) {
        this.upload = upload;
    }    public String getUploadContentType() {
        return uploadContentType;
    }    public void setUploadContentType(String uploadContentType) {
        this.uploadContentType = uploadContentType;
    }    public String getUploadFileName() {
        return uploadFileName;
    }    public void setUploadFileName(String uploadFileName) {
        this.uploadFileName = uploadFileName;
    }    public void setServletContext(ServletContext context) {
        this.context = context;
    }}
上传页面：upload.jsp<%@ page language="java" contentType="text/html; charset=GB2312"%>
<%@ taglib prefix="s" uri="/struts-tags" %>
<html>
    <head>
        <title>文件上传示例</title>
        <link href="<s:url value="/css/main.css"/>" rel="stylesheet"
            type="text/css" />    </head>    <body>        <s:actionerror />
        <s:fielderror />
        <s:form action="doUpload" method="POST" enctype="multipart/form-data">
            <tr>
                <td colspan="2">
                    <h1>
                        文件上传示例
                    </h1>
                </td>
            </tr>            <s:file name="upload" label="上传的文件" />
            <s:textfield name="fileCaption" label="备注" />
            <s:submit value="上   传"/>
        </s:form>
    </body>
</html>上传成功页面：upload_success.jsp<%@ page language="java" contentType="text/html; charset=GB2312"%>
<%@ taglib prefix="s" uri="/struts-tags"%>
<html>
    <head>
        <title>上传成功</title>
        <link href="<s:url value="/css/main.css"/>" rel="stylesheet"
            type="text/css" />
    </head>    <body>
        <table class="wwFormTable">
            <tr>                <td colspan="2">
                    <h1>
                        上传成功
                    </h1>
                </td>
            </tr>            <tr>
                <td class="tdLabel">
                    <label for="doUpload_upload" class="label">
                        内容类型:
                    </label>
                </td>
                <td>
                    <s:property value="uploadContentType" />
                </td>
            </tr>            <tr>
                <td class="tdLabel">
                    <label for="doUpload_upload" class="label">
                        文件路径:
                    </label>
                </td>
                <td>
                    <s:property value="uploadFileName" />
                </td>
            </tr>
            <tr>
                <td class="tdLabel">
                    <label for="doUpload_upload" class="label">
                        临时文件:
                    </label>
                </td>
                <td>
                    <s:property value="upload" />
                </td>
            </tr>            <tr>
                <td class="tdLabel">
                    <label for="doUpload_upload" class="label">
                        备注:
                    </label>
                </td>
                <td>
                    <s:property value="fileCaption" />
                </td>
            </tr>
        </table>    </body>
</html>
struts.xml<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC
    "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
    "http://struts.apache.org/dtds/struts-2.0.dtd"><struts>
    <constant name="struts.devMode" value="true" />
    <constant name="struts.i18n.encoding" value="GB2312" />

    <package name="NG" namespace="/" extends="struts-default">
        <action name="showUpload">
            <result>/upload.jsp</result>
        </action>

        <action name="doUpload" class="com.sterning.StrutsFileUpload">
            <result name="input">/upload.jsp</result>
            <result>/upload_success.jsp</result>
        </action>
    </package></struts>
５.web.xml<?xml version="1.0" encoding="UTF-8"?>
<web-app id="WebApp_ID" version="2.4"
    xmlns="http://java.sun.com/xml/ns/j2ee"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">    <display-name>customization</display-name>    <filter>
        <filter-name>struts-cleanup</filter-name>
        <filter-class>
            org.apache.struts2.dispatcher.ActionContextCleanUp
        </filter-class>
    </filter>
    <filter>
        <filter-name>struts2</filter-name>
        <filter-class>
            org.apache.struts2.dispatcher.FilterDispatcher
        </filter-class>
    </filter>
    <filter-mapping>
        <filter-name>struts-cleanup</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>
    <filter-mapping>
        <filter-name>struts2</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping></web-app>
先调用1个action，信息都传进去，执行完毕，带上需要的信息转向另一个action
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提供两种思路:
1,必填的信息和头像放在同一个action里
2,通过<result type="chain">跳转到另一个Action
可以这样去做，不必要有两个Action，一个都行的，在一个Action中先执行注册的部分，注册成功后再保存头像～
思路：一个Action处理两个事务。
对于图片上传可以采用jquery的form插件来异步上传，在回调函数里将从后台获得的图片Url设置到页面的隐藏域中，最后点击注册的时候只需要保存图片的url到相关的表中即可http://blog.csdn.net/zxingchao2009/article/details/6534261
已解决，是一个ACTION的，本来两个ACTION也解决了，但是需求比较复杂。还是改成一个ACTION了。谢谢楼上的各位，散分。