使用Spring Cache缓存套餐数据

.idea/workspace.xml

@@ -6,10 +6,16 @@
   <component name="ChangeListManager">
     <list default="true" id="09a0ab93-8583-4cca-9183-2b28acbb0d2c" name="Changes" comment="redis环境配置">
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/main/java/cn/edu/hactcm/cotroller/DishController.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/cn/edu/hactcm/cotroller/DishController.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/main/java/cn/edu/hactcm/cotroller/UserController.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/cn/edu/hactcm/cotroller/UserController.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/pom.xml" beforeDir="false" afterPath="$PROJECT_DIR$/pom.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/cn/edu/hactcm/TakeOutApplication.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/cn/edu/hactcm/TakeOutApplication.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/cn/edu/hactcm/common/R.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/cn/edu/hactcm/common/R.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/cn/edu/hactcm/cotroller/SetmealController.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/cn/edu/hactcm/cotroller/SetmealController.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/resources/application.yml" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/resources/application.yml" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/target/classes/application.yml" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/application.yml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/cn/edu/hactcm/cotroller/UserController.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/cn/edu/hactcm/cotroller/UserController.class" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/target/classes/cn/edu/hactcm/TakeOutApplication.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/cn/edu/hactcm/TakeOutApplication.class" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/target/classes/cn/edu/hactcm/common/R.class" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/target/classes/cn/edu/hactcm/cotroller/DishController.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/cn/edu/hactcm/cotroller/DishController.class" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/target/classes/cn/edu/hactcm/cotroller/SetmealController.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/cn/edu/hactcm/cotroller/SetmealController.class" afterDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
@@ -143,6 +149,8 @@
         <item itemvalue="Spring Boot.TakeOutApplication" />
         <item itemvalue="JUnit.UploadFileTest.testString" />
         <item itemvalue="JUnit.UploadFileTest.testRealPath" />
+        <item itemvalue="Spring Boot.TakeOutApplication" />
+        <item itemvalue="JUnit.UploadFileTest.testString" />
       </list>
     </recent_temporary>
   </component>

pom.xml

@@ -84,8 +84,15 @@
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-data-redis</artifactId>
         </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-cache</artifactId>
+        </dependency>
     </dependencies>
 
+
+
     <properties>
         <maven.compiler.source>8</maven.compiler.source>
         <maven.compiler.target>8</maven.compiler.target>

src/main/java/cn/edu/hactcm/TakeOutApplication.java

@@ -5,11 +5,13 @@ import org.mybatis.spring.annotation.MapperScan;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.boot.web.servlet.ServletComponentScan;
+import org.springframework.cache.annotation.EnableCaching;
 
 @Slf4j
 @SpringBootApplication
 @ServletComponentScan("cn.edu.hactcm.filter")
 @MapperScan("cn.edu.hactcm.mapper")
+@EnableCaching//开启Spring Cache 注解方式的缓存功能
 public class TakeOutApplication {
     public static void main(String[] args) {
         SpringApplication.run(TakeOutApplication.class, args);

src/main/java/cn/edu/hactcm/common/R.java

@@ -1,6 +1,8 @@
 package cn.edu.hactcm.common;
 
 import lombok.Data;
+
+import java.io.Serializable;
 import java.util.HashMap;
 import java.util.Map;
 
@@ -9,7 +11,7 @@ import java.util.Map;
  * @param <T>
  */
 @Data
-public class R<T> {
+public class R<T> implements Serializable {
 
     private Integer code; //编码：1成功，0和其它数字为失败
 

src/main/java/cn/edu/hactcm/cotroller/SetmealController.java

@@ -12,6 +12,8 @@ import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.BeanUtils;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.cache.annotation.CacheEvict;
+import org.springframework.cache.annotation.Cacheable;
 import org.springframework.transaction.annotation.Transactional;
 import org.springframework.web.bind.annotation.*;
 
@@ -38,6 +40,7 @@ public class SetmealController {
      */
     @PostMapping
     @Transactional
+    @CacheEvict(value = "setmealCache",allEntries = true)
     public R<String> saveMealDish(@RequestBody SetmealDto setmealDto){
         setmealService.saveWithDish(setmealDto);
         return R.success("添加成功！");
@@ -78,6 +81,7 @@ public class SetmealController {
      * @return
      */
     @DeleteMapping
+    @CacheEvict(value = "setmealCache",allEntries = true)
     public R<String> deleteWithDish(@RequestParam List<Long> ids){
         setmealService.removeWithDish(ids);
         return R.success("删除成功");
@@ -89,6 +93,7 @@ public class SetmealController {
      * @return
      */
     @GetMapping("/list")
+    @Cacheable(value = "setmealCache",key = "#setmeal.categoryId+'_'+#setmeal.status")
     public R<List<Setmeal>> get(Setmeal setmeal){
 
         Long categoryId = setmeal.getCategoryId();

src/main/resources/application.yml

@@ -14,6 +14,9 @@ spring:
     host: localhost
     port: 6379
     database: 0
+  cache:
+    redis:
+      time-to-live: 1800000 #设置缓存数据的过期时间
 mybatis-plus:
   configuration:
     #在映射实体或者属性时，将数据库中表名和字段名中的下划线去掉，按照驼峰命名法映射

target/classes/application.yml

@@ -14,6 +14,9 @@ spring:
     host: localhost
     port: 6379
     database: 0
+  cache:
+    redis:
+      time-to-live: 1800000 #设置缓存数据的过期时间
 mybatis-plus:
   configuration:
     #在映射实体或者属性时，将数据库中表名和字段名中的下划线去掉，按照驼峰命名法映射