ObjectMapper mapper = new ObjectMapper();
//3、person对象转为JSON字符串
String valueAsString = mapper.writeValueAsString...ObjectMapper mapper = new ObjectMapper();
//3、person对象转为JSON字符串
String valueAsString = mapper.writeValueAsString...ObjectMapper mapper = new ObjectMapper();
//3、person对象转为JSON字符串
String valueAsString = mapper.writeValueAsString...":null,"age":0,"address":null,"date":null},{"name":null,"age":0,"address":null,"date":null}]
}
}
二、JSON...},{"name":null,"age":0,"address":null,"date":null},{"name":null,"age":0,"address":null,"date":null}]