LoginForm.jsp
<%@ page language="java" contentType="text/html; charset=utf-8"
pageEncoding="UTF-8"%>
<%@ taglib prefix="s" uri="/struts-tags" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta content="Content-Type" content="text/html; charset=utf-8">
<title><s:text name="loginPage" /></title>
</head>
<body>
<s:form action="login" method="post">
<s:textfield name="username" key="user"/>
<s:textfield name="password" key="pass"/>
<s:submit key="login"/>
</s:form>
<!-- 使用Struts2标签输出tip实例变量值 -->
<font color="red"><s:fielderror/></font>
</body>
</html>
LoginAction.java
package com.test;
import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.ActionSupport;
public class LoginAction extends ActionSupport {
// 定义封装请求参数的username和password成员变量
private String username;
private String password;
public String getUsername() {
return this.username;
}
public void setUsername(String username) {
this.username = username;
}
public String getPassword() {
return this.password;
}
public void setPassword(String password) {
this.password = password;
}
@Override
public String execute() throws Exception {
if (getUsername().equalsIgnoreCase("user")) {
throw new MyException("自定义异常");
}
if (getUsername().equalsIgnoreCase("sql")) {
throw new java.sql.SQLException("用户名不能为SQL");
}
if (getUsername().equals("2012") && getPassword().equals("123")) {
addActionMessage("哈哈, 服务器提示!");
return SUCCESS;
}
return ERROR;
}
}
struts.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.3//EN"
"http://struts.apache.org/dtds/struts-2.3.dtd">
<struts>
<constant name="struts.custom.i18n.resources" value="mess" />
<!-- <constant name="struts.enable.DynamicMethodInvocation" value="false" />-->
<!-- <constant name="struts.devMode" value="true" />-->
<package name="test" namespace="/0" extends="struts-default">
<global-results>
<result name="sql">/WEB-INF/exception.jsp</result>
<result name="root">/WEB-INF/exception.jsp</result>
</global-results>
<global-exception-mappings>
<exception-mapping result="sql" exception="java.sql.SQLException"/>
<exception-mapping result="root" exception="java.lang.Exception"/>
</global-exception-mappings>
<action name="login" class="com.test.LoginAction">
<exception-mapping result="my" exception="com.test.MyException"/>
<!-- 定义三个逻辑视图和物理资源之间的映射 -->
<result name="my">/WEB-INF/exception.jsp</result>
<result name="error">/WEB-INF/error.jsp</result>
<result name="success">/WEB-INF/welcome.jsp</result>
</action>
<action name="*">
<result>/WEB-INF/{1}.jsp</result>
</action>
</package>
</struts>
exception.jsp
<%@ page language="java" contentType="text/html; charset=utf-8"%>
<%@ taglib prefix="s" uri="/struts-tags" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title>异常处理页面</title>
</head>
<body>
异常信息: <s:property value="exception.message"/>
</body>
</html>
应显示“自定义异常”，但却是No result defined
大家帮我看看
