1、FastJson转Json字符串时，忽略指定属性
1.1使用注解@JSONField
以下Bean
package com.gomefinance.esign;
import com.alibaba.fastjson.annotation.JSONField;
import lombok.Getter;
import lombok.Setter;
import java.io.Serializable;
/
* 本地签署信息
* Created by JHAO on 2017/5/31.
*/
@Setter
@Getter
public class FastJsonInputBean implements Serializable {
// 合同模板ID
private String contractTemplateId;
// 合同号
private String contractId;
// Base64编码的合同
@JSONField(serialize = false)
private String contractImage;
private String contractVersion;
}
FastJsonInputBean inputBean = new FastJsonInputBean();
inputBean.setContractImage(“contractImage”);
inputBean.setContractTemplateId(“templateId”);
inputBean.setContractId(“comtractId”);
inputBean.setContractVersion(“contractVersion”);
System.out.println(“JSONField(serialize = false)忽略contractImage属性:”+JSON.toJSONString(inputBean));
打印结果：{“contractId”:”comtractId”,”contractTemplateId”:”templateId”,”contractVersion”:”contractVersion”}
1.2Filter指定序列化的字段
SimplePropertyPreFilter filter = new SimplePropertyPreFilter(FastJsonInputBean.class, “contractTemplateId”);
System.out.println(“filter忽略contractTemplateId属性:”+JSONObject.toJSONString(inputBean, filter));
打印结果：{“contractTemplateId”:”templateId”}
2、JackSon忽略字段
@JsonIgnoreProperties主键或者在字段上使用@JsonIgnore
package com.gomefinance.esign;
import com.alibaba.fastjson.annotation.JSONField;
import com.fasterxml.jackson.annotation.JsonIgnore;
import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
import lombok.Getter;
import lombok.Setter;
import java.io.Serializable;
/
* 本地签署信息
* Created by JHAO on 2017/5/31.
*/
@Setter
@Getter
@JsonIgnoreProperties({“contractTemplateId”, “contractImage”})
public class JackSonInputBean implements Serializable {
// 合同模板ID
private String contractTemplateId;
// 合同号
@JsonIgnore
private String contractId;
// Base64编码的合同
private String contractImage;
private String contractVersion;
}
JackSonInputBean jackSonInputBean = new JackSonInputBean();
jackSonInputBean.setContractImage(“contractImage”);
jackSonInputBean.setContractTemplateId(“templateId”);
jackSonInputBean.setContractId(“comtractId”);
jackSonInputBean.setContractVersion(“contractVersion”);
ObjectMapper objectMapper = new ObjectMapper();
System.out.println(“JackSon JsonIgnore忽略contractId属性:”+objectMapper.writeValueAsString(jackSonInputBean));
打印结果：{“contractVersion”:”contractVersion”}
原文：https://blog.csdn.net/a/article/details/
发布者：全栈程序员-站长，转载请注明出处：https://javaforall.net/230702.html原文链接：https://javaforall.net
