AOP 捕获自定义异常

package com.gqc.aop05;

import org.springframework.aop.ThrowsAdvice;

//异常通知
public class MyThrowsAdvice implements ThrowsAdvice {
	// 当目标方法抛出UsernameException异常时，执行当前方法
	public void afterThrowing(UserNameExcepiton ex) {
		System.out.println("发生用户名异常 ex = " + ex.getMessage());
	}
	
	// 当目标方法抛出PasswordException异常时，执行当前方法
	public void afterThrowing(PasswordException ex) {
		System.out.println("发生密码异常 ex = " + ex.getMessage());
	}
	
	// 当目标方法抛出其它异常时，执行当前方法
	public void afterThrowing(Exception ex) {
		System.out.println("发生异常 ex = " + ex.getMessage());
	}
	

}

package com.gqc.aop05;

import com.gqc.utils.SystemService;



//目标类
public class SomeServiceImpl implements ISomeService {

	@Override
	public boolean login(String username, String password) throws UserException {
		if(!("beijing".equals(username))){
			throw new UserNameExcepiton("用户名输错了");
		}
		if(!"111".equals(password)){
			throw new PasswordException("密码输错了");
		}
		return true;
	}


}

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="
        http://www.springframework.org/schema/beans 
        http://www.springframework.org/schema/beans/spring-beans.xsd">

		<!-- 注册目标对象 -->
		<bean id="someService" class="com.gqc.aop05.SomeServiceImpl"/>
	
		<!-- 注册切面：后置通知 -->
		<bean id="myAdvice" class="com.gqc.aop05.MyThrowsAdvice"/>
		
		<!-- 生成代理对象 -->
		<bean id="serviceProxy" class="org.springframework.aop.framework.ProxyFactoryBean">
			<!-- 指定目标对象 -->
			<property name="target" ref="someService"/>
			<!-- <property name="targetName" value="someService"/> -->
			<!-- 指定切面 -->
			<property name="interceptorNames" value="myAdvice"/>
		</bean>
				
</beans>

package com.gqc.aop05;

//异常分两种
//1)运行时异常 不进行处理也可以编译通过
	//若一个类继承RunntimeException 则该异常就是运行时异常
//1)编译时异常（受查异常 Checked Exception） 不进行处理将无法通过编译
	//若一个类继承Exception 则该异常就是受查异常
public class UserException extends Exception {

	public UserException() {
		super();
		// TODO Auto-generated constructor stub
	}

	public UserException(String message) {
		super(message);
		// TODO Auto-generated constructor stub
	}
	
}