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Struts2表单标签初步使用可以对表单进行回显

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<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>

<%@ taglib prefix="s" uri="/struts-tags"%>

<%

String path = request.getContextPath();

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

%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

<html>

<head>

<base href="<%=basePath%>">

<title>My JSP 'testTag.jsp' starting page</title>

<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">

</head>

<body>

<s:form action="myform.action" method="post">

<s:textfield name="username" label="用户名"></s:textfield>

<s:password name="password" label="密码"></s:password>

<s:textarea name="desc" label="文本域"></s:textarea>

<s:submit></s:submit>

</s:form>

</body>
</html>

2;Action

package com.study;

public class UserAction {

private String userId;

private String username;

private String password;

private String desc;

public UserAction() {

}

public String getUserId() {
return userId;

}

public void setUserId(String userId) {
this.userId = userId;

}

public String getUsername() {
return username;

}

public void setUsername(String username) {
this.username = username;

}

public String getPassword() {
return password;

}

public void setPassword(String password) {
this.password = password;

}

public String getDesc() {
return desc;

}

public void setDesc(String desc) {
this.desc = desc;

}

public String save()

{
System.out.println(this);
return "input";

}

}

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