35 lines
1.1 KiB
Java
35 lines
1.1 KiB
Java
package com.rzyc.advice;
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import com.github.pagehelper.PageHelper;
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import org.aspectj.lang.JoinPoint;
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import org.aspectj.lang.annotation.Aspect;
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import org.aspectj.lang.annotation.Before;
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import org.aspectj.lang.annotation.Pointcut;
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import org.springframework.stereotype.Component;
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import java.lang.reflect.Field;
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/**
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* @Author jilin
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* @Date 2021/11/09 11:57
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* 分页aop
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* 注解写在mapper上，aop代理方式需为jdk代理，cglib代理无法aop mapper
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**/
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@Aspect
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@Component
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public class PageAspect {
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@Pointcut("@annotation(com.rzyc.advice.PageOperation)execution(* com.rzyc..*.*(..))")
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public void page() {}
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@Before("page()")
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public void pageOperation(JoinPoint joinPoint) throws IllegalAccessException, NoSuchFieldException {
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Object[] args = joinPoint.getArgs();
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Class clazz = args[0].getClass();
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Field page = clazz.getDeclaredField("page");
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page.setAccessible(true);
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Field pageSize = clazz.getDeclaredField("pageSize");
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pageSize.setAccessible(true);
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PageHelper.startPage((Integer) page.get(args[0]),(Integer) pageSize.get(args[0]));
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}
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}
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