json全局序列化(包含各种类型null自定义序列化器)

   
      
         
            
               application/json;charset=UTF-8
            
         
      
      
         
            
               application/json;charset=UTF-8
               
               
               
               
               
            
         
         
            
               
                  
                     
                  
               
               
            
         
      
   

 

 

 

 

public class JsonObjectMapper extends ObjectMapper {

   /**
    *
    */
   private static final long serialVersionUID = 8034942567620323925L;

   public JsonObjectMapper() {
      super();
      this.setSerializerFactory(this.getSerializerFactory().withSerializerModifier(new MyBeanSerializerModifier()));
   }

   public class MyBeanSerializerModifier extends BeanSerializerModifier {

      @Override
      public List changeProperties(SerializationConfig config, BeanDescription beanDesc, List beanProperties) {
         //循环所有的beanPropertyWriter
         for (Object beanProperty : beanProperties) {
            BeanPropertyWriter writer = (BeanPropertyWriter) beanProperty;
            Class clazz = writer.getType().getRawClass();
            //字符串
            if (String.class.equals(clazz)) {
               writer.assignNullSerializer(new JsonSerializer