更新案例

springboot-aspectj-agent/pom.xml

@@ -0,0 +1,61 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>cn.x47.blog</groupId>
+        <artifactId>LoadTimeWeaving-demo</artifactId>
+        <version>1.0</version>
+    </parent>
+
+    <artifactId>aspectj-agent-springboot</artifactId>
+    <version>1.0</version>
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>com.alibaba</groupId>
+            <artifactId>fastjson</artifactId>
+            <version>2.0.12</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-aop</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.aspectj</groupId>
+            <artifactId>aspectjweaver</artifactId>
+            <version>1.9.9</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <optional>true</optional>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>

springboot-aspectj-agent/src/main/java/cn/x47/ltw/springboot/TestApplication.java

@@ -0,0 +1,23 @@
+package cn.x47.ltw.springboot;
+
+import com.alibaba.fastjson.JSON;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * @author xuwei
+ */
+@SpringBootApplication
+public class TestApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(TestApplication.class, args);
+        Map<String, String> map = new HashMap<>(1);
+        map.put("key", "ssss");
+        JSON.toJSONString(map);
+    }
+
+}

springboot-aspectj-agent/src/main/java/cn/x47/ltw/springboot/aop/TestAspect.java

@@ -0,0 +1,27 @@
+package cn.x47.ltw.springboot.aop;
+
+import org.aspectj.lang.ProceedingJoinPoint;
+import org.aspectj.lang.annotation.Around;
+import org.aspectj.lang.annotation.Aspect;
+
+/**
+ * @author xuwei
+ */
+@Aspect
+public class TestAspect {
+
+    @Around("execution(* com.alibaba.fastjson..*.*(..))")
+    public String parse2String(ProceedingJoinPoint join) {
+        System.out.println("parse to String before");
+        String str = "";
+        try {
+            str = (String) join.proceed();
+            System.out.println("result:" + str);
+        } catch (Throwable e) {
+            e.printStackTrace();
+        }
+        System.out.println("parse to String after");
+        return str;
+    }
+
+}

springboot-aspectj-agent/src/main/java/cn/x47/ltw/springboot/controller/TestController.java

@@ -0,0 +1,23 @@
+package cn.x47.ltw.springboot.controller;
+
+import com.alibaba.fastjson.JSON;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * @author xuwei
+ */
+@RestController
+@RequestMapping("/test")
+public class TestController {
+    @GetMapping
+    public Object test(String a) {
+        Map<String, String> map = new HashMap<>(1);
+        map.put("key", a);
+        return JSON.toJSONString(map);
+    }
+}

springboot-aspectj-agent/src/main/resources/META-INF/aop.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<aspectj>
+    <weaver options="-XnoInline -Xset:weaveJavaxPackages=true -Xlint:ignore -verbose -XmessageHandlerClass:org.springframework.aop.aspectj.AspectJWeaverMessageHandler">
+        <!--在编织时导入切面类和需要被切入的目标类-->
+        <include within="cn.x47.ltw..*"/>
+        <include within="com.alibaba.fastjson..*"/>
+    </weaver>
+    <aspects>
+        <!--指定切面类-->
+        <aspect name="cn.x47.ltw.springboot.aop.TestAspect"/>
+    </aspects>
+</aspectj>

springboot-aspectj-agent/src/main/resources/application.yml

@@ -0,0 +1,2 @@
+server:
+  port: 8080

springboot-aspectj-agent/src/test/java/cn/x47/ltw/springboot/TestApplicationTests.java

@@ -0,0 +1,13 @@
+package cn.x47.ltw.springboot;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest
+class TestApplicationTests {
+
+    @Test
+    void contextLoads() {
+    }
+
+}