增加 CAT 入门

lab-61/lab-61-springmvc/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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <artifactId>lab-61</artifactId>
+        <groupId>cn.iocoder.springboot.labs</groupId>
+        <version>1.0-SNAPSHOT</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>lab-61-springmvc</artifactId>
+
+    <properties>
+        <maven.compiler.target>1.8</maven.compiler.target>
+        <maven.compiler.source>1.8</maven.compiler.source>
+        <spring.boot.version>2.2.4.RELEASE</spring.boot.version>
+    </properties>
+
+    <dependencyManagement>
+        <dependencies>
+            <dependency>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-starter-parent</artifactId>
+                <version>${spring.boot.version}</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
+        </dependencies>
+    </dependencyManagement>
+
+    <dependencies>
+        <!-- 引入 SpringMVC 相关依赖，并实现对其的自动配置 -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+
+        <!-- 引入 CAT 相关依赖 -->
+        <dependency>
+            <groupId>com.dianping.cat</groupId>
+            <artifactId>cat-client</artifactId>
+            <version>3.0.0</version>
+        </dependency>
+    </dependencies>
+
+    <!-- 引入私服，因为 CAT 依赖并没有发到 Maven 中央仓库 -->
+    <repositories>
+        <repository>
+            <id>central</id>
+            <name>Maven2 Central Repository</name>
+            <layout>default</layout>
+            <url>http://repo1.maven.org/maven2</url>
+        </repository>
+        <repository>
+            <id>unidal.releases</id>
+            <url>http://unidal.org/nexus/content/repositories/releases/</url>
+        </repository>
+    </repositories>
+
+</project>

lab-61/lab-61-springmvc/src/main/java/cn/iocoder/springboot/lab61/catdemo/Application.java

@@ -0,0 +1,13 @@
+package cn.iocoder.springboot.lab61.catdemo;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class Application {
+
+    public static void main(String[] args) {
+        SpringApplication.run(Application.class, args);
+    }
+
+}

lab-61/lab-61-springmvc/src/main/java/cn/iocoder/springboot/lab61/catdemo/config/CatFilterConfigure.java

@@ -0,0 +1,24 @@
+package cn.iocoder.springboot.lab61.catdemo.config;
+
+import com.dianping.cat.servlet.CatFilter;
+import org.springframework.boot.web.servlet.FilterRegistrationBean;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class CatFilterConfigure {
+
+    @Bean
+    public FilterRegistrationBean<CatFilter> catFilter() {
+        // 创建 CatFilter 对象
+        CatFilter filter = new CatFilter();
+        // 创建 FilterRegistrationBean 对象
+        FilterRegistrationBean<CatFilter> registration = new FilterRegistrationBean<>();
+        registration.setFilter(filter);
+        registration.addUrlPatterns("/*"); // 匹配所有 URL
+        registration.setName("cat-filter");
+        registration.setOrder(1);
+        return registration;
+    }
+
+}

lab-61/lab-61-springmvc/src/main/java/cn/iocoder/springboot/lab61/catdemo/controller/DemoController.java

@@ -0,0 +1,16 @@
+package cn.iocoder.springboot.lab61.catdemo.controller;
+
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequestMapping("/demo")
+public class DemoController {
+
+    @GetMapping("/hello")
+    public String hello() {
+        return "world";
+    }
+
+}

lab-61/lab-61-springmvc/src/main/resources/META-INF/app.properties

@@ -0,0 +1 @@
+app.name=demo-application

lab-61/pom.xml

@@ -14,6 +14,7 @@
     <modules>
         <module>lab-61-demo</module>
         <module>lab-61-logback</module>
+        <module>lab-61-springmvc</module>
     </modules>
 
 </project>