feat: 处理404异常

Spring Boot 新版本默认会在第一次请求数据库时创建连接池

README.md

@@ -40,7 +40,7 @@ novel 是一套基于时下**最新** Java 技术栈 Spring Boot 3 + Vue 3 开
 | 技术                  |      版本      | 说明                      | 官网                              |                                                            学习                                                            |
 |---------------------|:------------:|-------------------------| ------------------------------------ |:------------------------------------------------------------------------------------------------------------------------:|
 | Spring Boot         |    3.3.0     | 容器 + MVC 框架             | [进入](https://spring.io/projects/spring-boot) |                            [进入](https://docs.spring.io/spring-boot/docs/3.0.0/reference/html)                            |
-| Spring AI           |    1.0.0-SNAPSHOT     | Spring 官方 AI 框架         | [进入](https://spring.io/projects/spring-ai) |                                                          [进入](https://docs.spring.io/spring-ai/reference/)                                                          |
+| Spring AI           |    1.0.0-M6     | Spring 官方 AI 框架         | [进入](https://spring.io/projects/spring-ai) |                                                          [进入](https://docs.spring.io/spring-ai/reference/)                                                          |
 | MyBatis             |    3.5.9     | ORM 框架                  | [进入](http://www.mybatis.org)               |                                    [进入](https://mybatis.org/mybatis-3/zh/index.html)                                     |
 | MyBatis-Plus        |    3.5.3     | MyBatis 增强工具            | [进入](https://baomidou.com/)                |                                         [进入](https://baomidou.com/pages/24112f/)                                         |
 | JJWT                |    0.11.5    | JWT 登录支持                | [进入](https://github.com/jwtk/jjwt)         |                                                            -                                                             |

pom.xml

@@ -11,7 +11,7 @@
     </parent>
     <groupId>io.github.xxyopen</groupId>
     <artifactId>novel</artifactId>
-    <version>3.5.0</version>
+    <version>3.5.1-SNAPSHOT</version>
     <name>novel</name>
     <description>Spring Boot 3 + Vue 3 构建的前后端分离小说系统</description>
     <properties>
@@ -223,7 +223,7 @@
             <dependency>
                 <groupId>org.springframework.ai</groupId>
                 <artifactId>spring-ai-bom</artifactId>
-                <version>1.0.0-SNAPSHOT</version>
+                <version>1.0.0-M6</version>
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>
@@ -266,22 +266,6 @@
                 <enabled>false</enabled>
             </snapshots>
         </repository>
-        <repository>
-            <id>spring-milestones</id>
-            <name>Spring Milestones</name>
-            <url>https://repo.spring.io/milestone</url>
-            <snapshots>
-                <enabled>false</enabled>
-            </snapshots>
-        </repository>
-        <repository>
-            <id>spring-snapshots</id>
-            <name>Spring Snapshots</name>
-            <url>https://repo.spring.io/snapshot</url>
-            <releases>
-                <enabled>false</enabled>
-            </releases>
-        </repository>
     </repositories>
     <pluginRepositories>
         <pluginRepository>

src/main/java/io/github/xxyopen/novel/NovelApplication.java

@@ -1,5 +1,6 @@
 package io.github.xxyopen.novel;
 
+import com.zaxxer.hikari.HikariDataSource;
 import lombok.extern.slf4j.Slf4j;
 import org.mybatis.spring.annotation.MapperScan;
 import org.springframework.boot.CommandLineRunner;
@@ -14,6 +15,8 @@ import org.springframework.scheduling.annotation.EnableScheduling;
 import org.springframework.security.config.annotation.web.builders.HttpSecurity;
 import org.springframework.security.web.SecurityFilterChain;
 
+import javax.sql.DataSource;
+import java.sql.Connection;
 import java.util.Map;
 
 @SpringBootApplication
@@ -28,7 +31,7 @@ public class NovelApplication {
     }
 
     @Bean
-    public CommandLineRunner commandLineRunner(ApplicationContext context) {
+    public CommandLineRunner commandLineRunner(ApplicationContext context, DataSource dataSource) {
         return args -> {
             Map<String, CacheManager> beans = context.getBeansOfType(CacheManager.class);
             log.info("加载了如下缓存管理器：");
@@ -36,7 +39,17 @@ public class NovelApplication {
                 log.info("{}:{}", k, v.getClass().getName());
                 log.info("缓存：{}", v.getCacheNames());
             });
-
+            if(dataSource instanceof HikariDataSource hikariDataSource) {
+                // 如果使用的是HikariDataSource，需要提前创建连接池，而不是在第一次访问数据库时才创建，提高第一次访问接口的速度
+                log.info("创建连接池...");
+                try (Connection connection = dataSource.getConnection()) {
+                    log.info("最小空闲连接数：{}", hikariDataSource.getMinimumIdle());
+                    log.info("最大连接数：{}", hikariDataSource.getMaximumPoolSize());
+                    log.info("创建连接池完成.");
+                    log.info("数据库：{}", connection.getMetaData().getDatabaseProductName());
+                    log.info("数据库版本：{}", connection.getMetaData().getDatabaseProductVersion());
+                }
+            }
         };
     }
 

src/main/java/io/github/xxyopen/novel/core/common/exception/CommonExceptionHandler.java

@@ -3,9 +3,12 @@ package io.github.xxyopen.novel.core.common.exception;
 import io.github.xxyopen.novel.core.common.constant.ErrorCodeEnum;
 import io.github.xxyopen.novel.core.common.resp.RestResp;
 import lombok.extern.slf4j.Slf4j;
+import org.springframework.http.HttpStatus;
 import org.springframework.validation.BindException;
 import org.springframework.web.bind.annotation.ExceptionHandler;
+import org.springframework.web.bind.annotation.ResponseStatus;
 import org.springframework.web.bind.annotation.RestControllerAdvice;
+import org.springframework.web.servlet.resource.NoResourceFoundException;
 
 /**
  * 通用的异常处理器
@@ -17,6 +20,15 @@ import org.springframework.web.bind.annotation.RestControllerAdvice;
 @RestControllerAdvice
 public class CommonExceptionHandler {
 
+    /**
+     * 处理404异常
+     */
+    @ExceptionHandler(NoResourceFoundException.class)
+    @ResponseStatus(HttpStatus.NOT_FOUND)
+    public String handlerNotFound() {
+        return "404";
+    }
+
     /**
      * 处理数据校验异常
      */