📅  最后修改于: 2020-11-16 07:38:21             🧑  作者: Mango
@JsonIgnoreProperties在类级别用于标记要忽略的属性或属性列表。
import java.io.IOException;
import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
import com.fasterxml.jackson.databind.ObjectMapper;
public class JacksonTester {
public static void main(String args[]) {
ObjectMapper mapper = new ObjectMapper();
try {
Student student = new Student(1,11,"1ab","Mark");
String jsonString = mapper
.writerWithDefaultPrettyPrinter()
.writeValueAsString(student);
System.out.println(jsonString);
}
catch (IOException e) {
e.printStackTrace();
}
}
}
@JsonIgnoreProperties({ "id", "systemId" })
class Student {
public int id;
public String systemId;
public int rollNo;
public String name;
Student(int id, int rollNo, String systemId, String name){
this.id = id;
this.systemId = systemId;
this.rollNo = rollNo;
this.name = name;
}
}
{
"rollNo" : 11,
"name" : "Mark"
}