#177 aop & spel注意事项

liuyueyi · Jun 8, 2021 · 0ee9c1f · 0ee9c1f
1 parent 99f3d0d
commit 0ee9c1f
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Showing 4 changed files with 23 additions and 5 deletions.
diff --git a/spring-boot/014-spel-aop/pom.xml b/spring-boot/014-spel-aop/pom.xml
@@ -15,6 +15,10 @@
             <groupId>org.aspectj</groupId>
             <artifactId>aspectjweaver</artifactId>
         </dependency>
+        <dependency>
+            <groupId>com.google.code.gson</groupId>
+            <artifactId>gson</artifactId>
+        </dependency>
     </dependencies>
 
 

diff --git a/spring-boot/014-spel-aop/src/main/java/com/git/hui/boot/spel/aop/Application.java b/spring-boot/014-spel-aop/src/main/java/com/git/hui/boot/spel/aop/Application.java
@@ -14,6 +14,9 @@ public class Application {
 
     public Application(HelloService helloService) {
         helloService.say(new DemoDo().setName("一灰灰blog").setAge(18), "welcome");
+
+        String ans = helloService.hello("一灰灰", helloService);
+        System.out.println(ans);
     }
 
     public static void main(String[] args) {

diff --git a/spring-boot/014-spel-aop/src/main/java/com/git/hui/boot/spel/aop/aop/AopAspect.java b/spring-boot/014-spel-aop/src/main/java/com/git/hui/boot/spel/aop/aop/AopAspect.java
@@ -1,5 +1,7 @@
 package com.git.hui.boot.spel.aop.aop;
 
+import com.alibaba.fastjson.JSONObject;
+import com.google.gson.Gson;
 import lombok.extern.slf4j.Slf4j;
 import org.aspectj.lang.ProceedingJoinPoint;
 import org.aspectj.lang.annotation.Around;
@@ -11,15 +13,11 @@
 import org.springframework.context.expression.BeanFactoryResolver;
 import org.springframework.core.DefaultParameterNameDiscoverer;
 import org.springframework.core.ParameterNameDiscoverer;
-import org.springframework.expression.EvaluationContext;
 import org.springframework.expression.ExpressionParser;
 import org.springframework.expression.spel.standard.SpelExpressionParser;
-import org.springframework.expression.spel.support.SimpleEvaluationContext;
 import org.springframework.expression.spel.support.StandardEvaluationContext;
 import org.springframework.stereotype.Component;
 
-import java.util.Arrays;
-
 /**
  * @author yihui
  * @date 21/6/4
@@ -33,11 +31,14 @@ public class AopAspect implements ApplicationContextAware {
 
     @Around("@annotation(logAno)")
     public Object around(ProceedingJoinPoint joinPoint, Log logAno) throws Throwable {
+        long start = System.currentTimeMillis();
         String key = loadKey(logAno.key(), joinPoint);
         try {
             return joinPoint.proceed();
         } finally {
-            log.info("key: {}, args: {}", key, Arrays.asList(joinPoint.getArgs()));
+            log.info("key: {}, args: {}, cost: {}", key,
+                    new Gson().toJson(joinPoint.getArgs()),
+                    System.currentTimeMillis() - start);
         }
     }
 

diff --git a/spring-boot/014-spel-aop/src/main/java/com/git/hui/boot/spel/aop/service/HelloService.java b/spring-boot/014-spel-aop/src/main/java/com/git/hui/boot/spel/aop/service/HelloService.java
@@ -14,4 +14,14 @@ public class HelloService {
     public String say(DemoDo demo, String prefix) {
         return prefix + ":" + demo;
     }
+
+    /**
+     * 字面量，注意用单引号包裹起来
+     * @param key
+     * @return
+     */
+    @Log(key = "'yihuihuiblog'")
+    public String hello(String key, HelloService helloService) {
+        return key + "_" + helloService.say(new DemoDo().setName(key).setAge(10), "prefix");
+    }
 }