:white_check_mark: 工具类优化

airport/jeecg-boot-module-system/src/main/java/org/jeecg/modules/utils/AirportUtil.java

@@ -1,5 +1,11 @@
 package org.jeecg.modules.utils;
 
+import com.fasterxml.jackson.annotation.JsonInclude;
+import com.fasterxml.jackson.databind.DeserializationFeature;
+import com.fasterxml.jackson.databind.MapperFeature;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.SerializationFeature;
+import com.fasterxml.jackson.databind.module.SimpleModule;
 import lombok.Data;
 import org.springframework.beans.BeansException;
 import org.springframework.context.ApplicationContext;
@@ -7,6 +13,9 @@ import org.springframework.context.ApplicationContextAware;
 import org.springframework.core.env.Environment;
 import org.springframework.stereotype.Component;
 
+import javax.annotation.PostConstruct;
+import java.text.SimpleDateFormat;
+
 /**
  * @author 王葆权
  * @Title:
@@ -20,11 +29,18 @@ public class AirportUtil implements ApplicationContextAware {
 
     private static ApplicationContext context;
 
+    private static final ObjectMapper objectMapper = new ObjectMapper();
+
     @Override
     public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
         context = applicationContext;
     }
 
+    @PostConstruct
+    public void initUtil(){
+        initObjectMapper();
+    }
+
     public static Environment getEnvironment() {
         return getContext().getEnvironment();
     }
@@ -54,5 +70,53 @@ public class AirportUtil implements ApplicationContextAware {
         return getLocalUploadPath() + getEnvironment().getProperty("jeecg.path.temp");
     }
 
+    public static ObjectMapper getObjectMapper() {
+        return objectMapper;
+    }
+
+    private static void initObjectMapper() {
+        // 没有匹配的属性名称时不作失败处理
+        //objectMapper.configure(MapperFeature.AUTO_DETECT_FIELDS, true);
+
+        // 反序列化
+        // 禁止遇到空原始类型时抛出异常，用默认值代替。
+        objectMapper.configure(DeserializationFeature.FAIL_ON_NULL_FOR_PRIMITIVES, false);
+        //objectMapper.configure(DeserializationFeature.READ_ENUMS_USING_TO_STRING, true);
+        // 禁止遇到未知（新）属性时报错，支持兼容扩展
+        //objectMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
+        //objectMapper.configure(DeserializationFeature.FAIL_ON_IGNORED_PROPERTIES, false);
+        objectMapper.configure(DeserializationFeature.ACCEPT_EMPTY_STRING_AS_NULL_OBJECT, true);
+        // 按时间戳格式读取日期
+        // this.configure(DeserializationFeature.READ_DATE_TIMESTAMPS_AS_NANOSECONDS, true);
+        objectMapper.configure(DeserializationFeature.READ_UNKNOWN_ENUM_VALUES_AS_NULL, true);
+        objectMapper.configure(DeserializationFeature.READ_ENUMS_USING_TO_STRING, true);
+        objectMapper.configure(DeserializationFeature.ACCEPT_SINGLE_VALUE_AS_ARRAY, true);
+        // 序列化
+        // 禁止序列化空值
+        //objectMapper.configure(SerializationFeature.WRITE_NULL_MAP_VALUES, false);
+        objectMapper.configure(SerializationFeature.FAIL_ON_EMPTY_BEANS, false);
+        //objectMapper.configure(SerializationFeature.WRITE_ENUMS_USING_TO_STRING, true);
+        objectMapper.configure(SerializationFeature.WRITE_EMPTY_JSON_ARRAYS, true);
+        // 按时间戳格式生成日期
+        // this.configure(SerializationFeature.WRITE_DATE_TIMESTAMPS_AS_NANOSECONDS, true);
+        objectMapper.configure(SerializationFeature.FLUSH_AFTER_WRITE_VALUE, true);
+        objectMapper.configure(SerializationFeature.WRITE_BIGDECIMAL_AS_PLAIN, true);
+        // 不包含空值属性
+        //objectMapper.setSerializationInclusion(JsonInclude.Include.NON_EMPTY);
+        //objectMapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
+        // this.configure(MapperFeature.USE_WRAPPER_NAME_AS_PROPERTY_NAME, true);
+        // 是否缩放排列输出，默认false，有些场合为了便于排版阅读则需要对输出做缩放排列
+        objectMapper.configure(SerializationFeature.INDENT_OUTPUT, false);
+        // 设置全局的时间转化
+        SimpleDateFormat smt = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+        objectMapper.setDateFormat(smt);
+        // 设置日期反序列化组件
+        //SimpleModule dateDeserializerModule = new SimpleModule();
+        //dateDeserializerModule.addDeserializer(Object.class, new CustomDateDeseralizer());
+        //objectMapper.registerModule(dateDeserializerModule);
+        // 注意：不要开启序列化和反序列化时为对象附加@class属性（坑）
+        // this.enableDefaultTyping(ObjectMapper.DefaultTyping.JAVA_LANG_OBJECT, As.PROPERTY);
+    }
+
 
 }