Struts.xml
<action name="login" class="com.cug.demo04.LoginAction"> <result>/demo04/success.jsp</result> <result name="input">/demo04/login.jsp</result> </action> <action name="login1" class="com.cug.demo04.LoginAction" method="login"> <result>/demo04/success.jsp</result> <result name="input">/demo04/login.jsp</result> </action>login.jsp
<body>
<s:fielderror></s:fielderror>
<form action="${pageContext.request.contextPath}/login" method="post">
用户名：<input type="text" name="username"><br/>
密码：<input type="password" name="password"><br/>
<input type="submit" value="登陆"/>
</form>
<hr/>
<form action="${pageContext.request.contextPath}/login1" method="post">
用户名：<input type="text" name="username"><br/>
密码：<input type="password" name="password"><br/>
<input type="submit" value="登陆"/>
</form>
</body>package com.cug.demo04;
import com.opensymphony.xwork2.ActionSupport;
public class LoginAction extends ActionSupport{
private String username;
private String password;
public void setUsername(String username) {
this.username = username;
}
public void setPassword(String password) {
this.password = password;
}
@Override
public String execute() throws Exception {
return SUCCESS;
}
@Override
public void validate() {
System.out.println("validate~");
if(username==null || username.trim().isEmpty()){
this.addFieldError("username", "用户名不能为空");
}
if(password==null || password.trim().isEmpty()){
this.addFieldError("password", "密码不能为空");
}else{
if(password.length()<5 || password.length()>8){
this.addFieldError("password", "密码的长度应该在5~8之间");
}
}
}
public String login(){
return SUCCESS;
}
public void validateLogin(){
System.out.println("validateLogin~");
}
}
JavaEE----使用Struts2的输入校验之手动编码校验
原文：http://blog.csdn.net/bluzelee2011/article/details/43056821
