商品模块代码提交

cash-common/cash-common-api-config/src/main/java/com/czg/config/FastJson2Config.java

@@ -0,0 +1,49 @@
+package com.czg.config;
+
+import com.alibaba.fastjson.serializer.SerializerFeature;
+import com.alibaba.fastjson.support.config.FastJsonConfig;
+import com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.http.MediaType;
+import org.springframework.http.converter.HttpMessageConverter;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
+
+import java.nio.charset.StandardCharsets;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * fastjson2配置类
+ *
+ * @author tankaikai
+ * @since 2025-02-11 18:14
+ */
+@Configuration
+public class FastJson2Config implements WebMvcConfigurer {
+    @Override
+    public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
+        // 创建 FastJson 消息转换器
+        FastJsonHttpMessageConverter converter = new FastJsonHttpMessageConverter();
+        // 创建 FastJson 配置
+        FastJsonConfig fastJsonConfig = new FastJsonConfig();
+        // 设置日期格式
+        fastJsonConfig.setDateFormat("yyyy-MM-dd HH:mm:ss");
+        // 设置序列化特性
+        // 例如，将空集合序列化为 []，空字符串序列化为 ""
+        fastJsonConfig.setSerializerFeatures(
+                SerializerFeature.WriteNullListAsEmpty,
+                SerializerFeature.WriteNullStringAsEmpty
+        );
+        // 将配置设置到转换器
+        converter.setFastJsonConfig(fastJsonConfig);
+        // 设置支持的媒体类型
+        List<MediaType> mediaTypes = new ArrayList<>();
+        mediaTypes.add(MediaType.APPLICATION_JSON);
+        mediaTypes.add(MediaType.APPLICATION_JSON_UTF8);
+        converter.setSupportedMediaTypes(mediaTypes);
+        // 设置字符编码
+        converter.setDefaultCharset(StandardCharsets.UTF_8);
+        // 将转换器添加到 Spring MVC 的消息转换器列表中
+        converters.add(0, converter);
+    }
+}