springboot缓存之@Cacheable中常用参数

    @Cacheable(value = "emp",keyGenerator = "myKeyGenerator",condition="#id>1",unless="#a0==2")
    @ResponseBody
    @RequestMapping("/emp/{id}")
    public Employee getEmp(@PathVariable("id") Integer id){
        Employee emp = employeeService.getEmp(id);
        return emp;
    }

package com.gong.springbootcache.config;

import org.springframework.cache.interceptor.KeyGenerator;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.lang.reflect.Method;
import java.util.Arrays;

@Configuration
public class MyCacheConfig {

    @Bean("myKeyGenerator")
    public KeyGenerator keyGenerator(){
        return new KeyGenerator(){
            @Override
            public Object generate(Object o, Method method, Object... objects) {
                return method.getClass().getName()+"["+ Arrays.asList(objects).toString()+"]";
            }
        };
    }
}