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update 优化缓存配置 增加spring-cache演示案例
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package com.ruoyi.demo.controller;
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import com.ruoyi.common.core.domain.AjaxResult;
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import lombok.RequiredArgsConstructor;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.cache.annotation.CacheEvict;
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import org.springframework.cache.annotation.CachePut;
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import org.springframework.cache.annotation.Cacheable;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RestController;
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/**
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* spring-cache 演示案例
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*
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* @author Lion Li
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*/
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// 类级别 缓存统一配置
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//@CacheConfig(cacheNames = "redissonCacheMap")
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@RequiredArgsConstructor(onConstructor_ = @Autowired)
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@RestController
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@RequestMapping("/demo/cache")
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public class RedisCacheController {
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/**
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* 测试 @Cacheable
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*
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* 表示这个方法有了缓存的功能,方法的返回值会被缓存下来
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* 下一次调用该方法前,会去检查是否缓存中已经有值
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* 如果有就直接返回,不调用方法
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* 如果没有,就调用方法,然后把结果缓存起来
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* 这个注解「一般用在查询方法上」
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*
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* cacheNames 为配置文件内 groupId
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*/
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@Cacheable(cacheNames = "redissonCacheMap", key = "#key", condition = "#key != null")
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@GetMapping("/test1")
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public AjaxResult<String> test1(String key, String value){
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return AjaxResult.success("操作成功", value);
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}
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/**
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* 测试 @CachePut
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*
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* 加了@CachePut注解的方法,会把方法的返回值put到缓存里面缓存起来,供其它地方使用
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* 它「通常用在新增方法上」
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*
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* cacheNames 为 配置文件内 groupId
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*/
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@CachePut(cacheNames = "redissonCacheMap", key = "#key", condition = "#key != null")
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@GetMapping("/test2")
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public AjaxResult<String> test2(String key, String value){
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return AjaxResult.success("操作成功", value);
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}
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/**
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* 测试 @CacheEvict
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*
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* 使用了CacheEvict注解的方法,会清空指定缓存
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* 「一般用在更新或者删除的方法上」
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*
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* cacheNames 为 配置文件内 groupId
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*/
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@CacheEvict(cacheNames = "redissonCacheMap", key = "#key", condition = "#key != null")
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@GetMapping("/test3")
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public AjaxResult<String> test3(String key, String value){
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return AjaxResult.success("操作成功", value);
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}
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}
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