feat(core): 拦截器

src/main/java/org/linker/springboot/config/SpringMVCConfiguration.java

+package org.linker.springboot.config;
+
+import org.linker.springboot.core.interceptor.FirstInterceptor;
+import org.linker.springboot.core.interceptor.SecondInterceptor;
+import org.linker.springboot.core.interceptor.ThirdInterceptor;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
+
+@Configuration
+public class SpringMVCConfiguration implements WebMvcConfigurer {
+
+    private Logger logger = LoggerFactory.getLogger(getClass());
+
+    @Bean
+    public FirstInterceptor firstInterceptor() {
+        return new FirstInterceptor();
+    }
+
+    @Bean
+    public SecondInterceptor secondInterceptor() {
+        return new SecondInterceptor();
+    }
+
+    @Bean
+    public ThirdInterceptor thirdInterceptor() {
+        return new ThirdInterceptor();
+    }
+
+    @Override
+    public void addInterceptors(InterceptorRegistry registry) {
+        // 拦截器一
+        registry.addInterceptor(this.firstInterceptor()).addPathPatterns("/**");
+        // 拦截器二
+        registry.addInterceptor(this.secondInterceptor()).addPathPatterns("/users/current_user");
+        // 拦截器三
+        registry.addInterceptor(this.thirdInterceptor()).addPathPatterns("/**");
+    }
+}

src/main/java/org/linker/springboot/controller/UserController.java

@@ -7,6 +7,8 @@ import org.linker.springboot.dto.UserAddDTO;
 import org.linker.springboot.dto.UserUpdateDTO;
 import org.linker.springboot.service.UserService;
 import org.linker.springboot.vo.UserVO;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.*;
 
@@ -24,6 +26,8 @@ public class UserController {
     @Autowired
     private UserService userService;
 
+    private Logger logger = LoggerFactory.getLogger(getClass());
+
     /**
      * 查询用户列表
      *
@@ -140,4 +144,20 @@ public class UserController {
         throw new ServiceException(ServiceExceptionEnum.USER_NOT_FOUND);
     }
 
+    @GetMapping("/do_something")
+    public void doSomething() {
+        logger.info("[doSomething]");
+    }
+
+    @GetMapping("/current_user")
+    public UserVO currentUser() {
+        logger.info("[currentUser]");
+        return new UserVO().setId(10).setUsername(UUID.randomUUID().toString());
+    }
+
+    @GetMapping("/exception-03")
+    public void exception03() {
+        logger.info("[exception03]");
+        throw new ServiceException(ServiceExceptionEnum.USER_NOT_FOUND);
+    }
 }

src/main/java/org/linker/springboot/core/interceptor/FirstInterceptor.java

+package org.linker.springboot.core.interceptor;
+
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.web.servlet.HandlerInterceptor;
+import org.springframework.web.servlet.ModelAndView;
+
+public class FirstInterceptor implements HandlerInterceptor {
+
+    private Logger logger = LoggerFactory.getLogger(getClass());
+
+    @Override
+    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) {
+        logger.info("[preHandle][handler({})]", handler);
+        return true;
+    }
+
+    @Override
+    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {
+        logger.info("[postHandle][handler({})]", handler);
+    }
+
+    @Override
+    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
+        logger.info("[afterCompletion][handler({})]", handler, ex);
+    }
+
+}
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src/main/java/org/linker/springboot/core/interceptor/SecondInterceptor.java

+package org.linker.springboot.core.interceptor;
+
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.web.servlet.HandlerInterceptor;
+import org.springframework.web.servlet.ModelAndView;
+
+public class SecondInterceptor implements HandlerInterceptor {
+
+    private Logger logger = LoggerFactory.getLogger(getClass());
+
+    @Override
+    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) {
+        logger.info("[preHandle][handler({})]", handler);
+        return false;  // 故意返回 false
+    }
+
+    @Override
+    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {
+        logger.info("[postHandle][handler({})]", handler);
+    }
+
+    @Override
+    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
+        logger.info("[afterCompletion][handler({})]", handler, ex);
+    }
+
+}
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src/main/java/org/linker/springboot/core/interceptor/ThirdInterceptor.java

+package org.linker.springboot.core.interceptor;
+
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.web.servlet.HandlerInterceptor;
+import org.springframework.web.servlet.ModelAndView;
+
+public class ThirdInterceptor implements HandlerInterceptor {
+
+    private Logger logger = LoggerFactory.getLogger(getClass());
+
+    @Override
+    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) {
+        logger.info("[preHandle][handler({})]", handler);
+        return true;
+    }
+
+    @Override
+    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {
+        logger.info("[postHandle][handler({})]", handler);
+    }
+
+    @Override
+    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
+        logger.info("[afterCompletion][handler({})]", handler, ex);
+        throw new RuntimeException("故意抛出一个错误");
+    }
+
+}
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