update > dependency version

src/main/java/com/company/project/configurer/WebMvcConfigurer.java

@@ -1,10 +1,20 @@
 package com.company.project.configurer;
 
+import java.io.IOException;
+import java.nio.charset.Charset;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
 
 import com.alibaba.fastjson.JSON;
 import com.alibaba.fastjson.serializer.SerializerFeature;
 import com.alibaba.fastjson.support.config.FastJsonConfig;
-import com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter4;
+import com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter;
+
 import com.company.project.core.Result;
 import com.company.project.core.ResultCode;
 import com.company.project.core.ServiceException;
@@ -24,15 +34,6 @@ import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
 import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
 import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;
 
-import javax.servlet.ServletException;
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
-import java.io.IOException;
-import java.nio.charset.Charset;
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.List;
-
 /**
  * Spring MVC 配置
  */
@@ -46,7 +47,7 @@ public class WebMvcConfigurer extends WebMvcConfigurerAdapter {
     //使用阿里 FastJson 作为JSON MessageConverter
     @Override
     public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
-        FastJsonHttpMessageConverter4 converter = new FastJsonHttpMessageConverter4();
+        FastJsonHttpMessageConverter converter = new FastJsonHttpMessageConverter();
         FastJsonConfig config = new FastJsonConfig();
         config.setSerializerFeatures(SerializerFeature.WriteMapNullValue,//保留空的字段
                 SerializerFeature.WriteNullStringAsEmpty,//String null -> ""