fix: 修改cors的config文件

ym-admin/src/main/java/com/cnbm/admin/config/CorsConfig.java

@@ -1,9 +1,25 @@
 package com.cnbm.admin.config;
 
+import com.cnbm.common.utils.DateUtils;
+import com.fasterxml.jackson.databind.DeserializationFeature;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.module.SimpleModule;
+import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
+import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.http.converter.ByteArrayHttpMessageConverter;
+import org.springframework.http.converter.HttpMessageConverter;
+import org.springframework.http.converter.ResourceHttpMessageConverter;
+import org.springframework.http.converter.StringHttpMessageConverter;
+import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
+import org.springframework.http.converter.support.AllEncompassingFormHttpMessageConverter;
 import org.springframework.web.servlet.config.annotation.CorsRegistry;
 import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
 
+import java.text.SimpleDateFormat;
+import java.util.List;
+import java.util.TimeZone;
+
 /**
  * @Author weihongyang
  * @Date 2022/6/8 10:47 AM
@@ -27,4 +43,35 @@ public class CorsConfig implements WebMvcConfigurer {
                 // 跨域允许时间
                 .maxAge(3600);
     }
+
+    @Override
+    public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
+        converters.add(new ByteArrayHttpMessageConverter());
+        converters.add(new StringHttpMessageConverter());
+        converters.add(new ResourceHttpMessageConverter());
+        converters.add(new AllEncompassingFormHttpMessageConverter());
+        converters.add(new StringHttpMessageConverter());
+        converters.add(jackson2HttpMessageConverter());
+    }
+
+    @Bean
+    public MappingJackson2HttpMessageConverter jackson2HttpMessageConverter() {
+        MappingJackson2HttpMessageConverter converter = new MappingJackson2HttpMessageConverter();
+        ObjectMapper mapper = new ObjectMapper();
+
+        //日期格式转换
+        mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
+        mapper.setDateFormat(new SimpleDateFormat(DateUtils.DATE_TIME_PATTERN));
+        mapper.setTimeZone(TimeZone.getTimeZone("GMT+8"));
+
+        //Long类型转String类型
+        SimpleModule simpleModule = new SimpleModule();
+        simpleModule.addSerializer(Long.class, ToStringSerializer.instance);
+        simpleModule.addSerializer(Long.TYPE, ToStringSerializer.instance);
+        mapper.registerModule(simpleModule);
+
+        converter.setObjectMapper(mapper);
+        return converter;
+    }
+
 }