项目初次提交

src/main/java/com/yupi/springbootinit/config/CorsConfig.java

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+package com.yupi.springbootinit.config;
+
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.servlet.config.annotation.CorsRegistry;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
+
+/**
+ * 全局跨域配置
+ *
+ * @author <a href="https://github.com/liyupi">程序员鱼皮</a>
+ * @from <a href="https://yupi.icu">编程导航知识星球</a>
+ */
+@Configuration
+public class CorsConfig implements WebMvcConfigurer {
+
+    @Override
+    public void addCorsMappings(CorsRegistry registry) {
+        // 覆盖所有请求
+        registry.addMapping("/**")
+                // 允许发送 Cookie
+                .allowCredentials(true)
+                // 放行哪些域名（必须用 patterns，否则 * 会和 allowCredentials 冲突）
+                .allowedOriginPatterns("*")
+                .allowedMethods("GET", "POST", "PUT", "DELETE", "OPTIONS")
+                .allowedHeaders("*")
+                .exposedHeaders("*");
+    }
+}

src/main/java/com/yupi/springbootinit/config/JsonConfig.java

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+package com.yupi.springbootinit.config;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.module.SimpleModule;
+import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
+import org.springframework.boot.jackson.JsonComponent;
+import org.springframework.context.annotation.Bean;
+import org.springframework.http.converter.json.Jackson2ObjectMapperBuilder;
+
+/**
+ * Spring MVC Json 配置
+ *
+ * @author <a href="https://github.com/liyupi">程序员鱼皮</a>
+ * @from <a href="https://yupi.icu">编程导航知识星球</a>
+ */
+@JsonComponent
+public class JsonConfig {
+
+    /**
+     * 添加 Long 转 json 精度丢失的配置
+     */
+    @Bean
+    public ObjectMapper jacksonObjectMapper(Jackson2ObjectMapperBuilder builder) {
+        ObjectMapper objectMapper = builder.createXmlMapper(false).build();
+        SimpleModule module = new SimpleModule();
+        module.addSerializer(Long.class, ToStringSerializer.instance);
+        module.addSerializer(Long.TYPE, ToStringSerializer.instance);
+        objectMapper.registerModule(module);
+        return objectMapper;
+    }
+}

src/main/java/com/yupi/springbootinit/config/MyBatisPlusConfig.java

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+package com.yupi.springbootinit.config;
+
+import com.baomidou.mybatisplus.annotation.DbType;
+import com.baomidou.mybatisplus.extension.plugins.MybatisPlusInterceptor;
+import com.baomidou.mybatisplus.extension.plugins.inner.PaginationInnerInterceptor;
+import org.mybatis.spring.annotation.MapperScan;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+/**
+ * MyBatis Plus 配置
+ *
+ * @author https://github.com/liyupi
+ */
+@Configuration
+@MapperScan("com.yupi.springbootinit.mapper")
+public class MyBatisPlusConfig {
+
+    /**
+     * 拦截器配置
+     *
+     * @return
+     */
+    @Bean
+    public MybatisPlusInterceptor mybatisPlusInterceptor() {
+        MybatisPlusInterceptor interceptor = new MybatisPlusInterceptor();
+        // 分页插件
+        interceptor.addInnerInterceptor(new PaginationInnerInterceptor(DbType.MYSQL));
+        return interceptor;
+    }
+}

src/main/java/com/yupi/springbootinit/config/RabbitMQConfig.java

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+package com.yupi.springbootinit.config;
+
+import org.springframework.amqp.core.Queue;
+import org.springframework.amqp.support.converter.Jackson2JsonMessageConverter;
+import org.springframework.amqp.support.converter.MessageConverter;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class RabbitMQConfig {
+    private static final String QUEUE = "HOST_INFO_QUEUE";
+    
+    //创建队列
+    //true:表示持久化
+    //队列在默认情况下放到内存，rabbitmq重启后就丢失了，如果希望重启后，队列
+    //数据还能使用，就需要持久化
+    @Bean
+    public Queue hostInfoQueue(){
+        return new Queue(QUEUE,true);
+    }
+    @Bean
+    public MessageConverter messageConverter(){
+        return new Jackson2JsonMessageConverter();
+    }
+
+}