<dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-databind</artifactId> <version>2.5.3</version> </dependency>
二、实体类的建立
package cn.bjjs; import org.apache.commons.lang3.builder.ToStringBuilder; import com.fasterxml.jackson.annotation.JsonIgnore; /** * 实体类 * @author nxd * */ public class Person { private Integer id; private String name; @JsonIgnore private String hobbies;// 兴趣爱好 public Integer getId() { return id; } public void setId(Integer id) { this.id = id; } public String getName() { return name; } public void setName(String name) { this.name = name; } public String getHobbies() { return hobbies; } public void setHobbies(String hobbies) { this.hobbies = hobbies; } @Override public String toString() { return ToStringBuilder.reflectionToString(this); } }
三、测试类代码:
package cn.bjjs; import java.io.IOException; import com.fasterxml.jackson.databind.ObjectMapper; public class JSONTest { public static void main(String[] args) throws IOException { Person p = new Person(); p.setId(1001); p.setName("huangbaokang"); p.setHobbies("篮球"); // 未加@JsonIgnore注解时,控制台打印输出{"id":1001,"name":"huangbaokang","hobbies":"篮球"} // 加上@JsonIgnore注解时,控制台输出了{"id":1001,"name":"huangbaokang"},把hobbies的值过滤了。 System.out.println(new ObjectMapper().writeValueAsString(p)); } }