日期:2014-05-16  浏览次数:20299 次

在当前JSP页面中怎么修改图片,让图片在点击浏览按钮的同时更新显示的图片?[
<%@ page language="java" pageEncoding="UTF-8"%>
<%@ taglib uri="http://jakarta.apache.org/struts/tags-bean" prefix="bean"%>
<%@ taglib uri="http://jakarta.apache.org/struts/tags-html" prefix="html"%>

<html>
    <head>
        <title>JSP for UserForm form</title>
    </head>
    <body>
        <html:form action="/user.do?method=upp"  enctype="multipart/form-data" method="post">
          <table border="1" align="center" width="60%">
             <tr>
               <td align="right">姓名:</td>
               <td><html:text property="user.u_name"/></td>
             </tr>
             <tr>
               <td align="right">性别:</td>
               <td>
                 <html:radio property="user.u_sex" value="男" />男&nbsp;&nbsp;
                 <html:radio property="user.u_sex" value="女"/>女
               </td>
             </tr>
             <tr>
               <td align="right">年龄:</td>
               <td><html:text property="user.u_age"/></td>
             </tr>
             <tr>
               <td align="right">相片:</td>
               <td><img alt="" src="${pageContext.request.contextPath}/${user.uppath}"/><br>
               <html:file property="user.u_img"></html:file>
               </td>
             </tr>
              <html:hidden property="user.u_id"/>
             <tr>
               <td colspan="10" align="center"><html:submit value="确定"/></td>
             </tr>
          </table>
        </html:form>
    </body>
</html>