1、工具类
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package com.shucha.deveiface.biz.utils;
/** * @author tqf * @Description * @Version 1.0 * @since 2022-03-21 16:50 */
import com.shucha.deveiface.biz.model.Comparison;
import java.lang.reflect.Field; import java.util.ArrayList; import java.util.List;
public class CompareObjUtil {
public static List<Comparison> compareObj(Object beforeObj, Object afterObj) throws Exception{ List<Comparison> diffs = new ArrayList<>();
if (beforeObj == null ) { throw new RuntimeException( "原对象不能为空" ); } if (afterObj == null ) { throw new RuntimeException( "新对象不能为空" ); } if (!beforeObj.getClass().isAssignableFrom(afterObj.getClass())){ throw new RuntimeException( "两个对象不相同，无法比较" ); }
//取出属性 Field[] beforeFields = beforeObj.getClass().getDeclaredFields(); Field[] afterFields = afterObj.getClass().getDeclaredFields(); Field.setAccessible(beforeFields, true ); Field.setAccessible(afterFields, true );
//遍历取出差异值 if (beforeFields != null && beforeFields.length > 0 ){ for ( int i= 0 ; i<beforeFields.length; i++){ Object beforeValue = beforeFields[i].get(beforeObj); Object afterValue = afterFields[i].get(afterObj); if ((beforeValue != null && ! "" .equals(beforeValue) && !beforeValue.equals(afterValue)) || ((beforeValue == null || "" .equals(beforeValue)) && afterValue != null )){ Comparison comparison = new Comparison(); comparison.setField(beforeFields[i].getName()); comparison.setBefore(beforeValue); comparison.setAfter(afterValue); comparison.setIsUpdate( true ); diffs.add(comparison); } } }
return diffs; } } public static void main(String[] args) throws Exception { ApIData apIData = new ApIData() .setName( "张三" ) .setMonth( "5" ) .setHh( "1" ); ApIData apIData1 = new ApIData() .setName( "张三" ) .setMonth( "9" ) .setHh( "35" ); List<Comparison> list = CompareObjUtil测试数据pareObj(apIData, apIData1); System.out.println(list); } |
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package com.shucha.deveiface.biz.model;
import lombok.Data; import lombok.experimental.Accessors;
/** * @author tqf * @Description 接口请求参数类 * @Version 1.0 * @since 2020-08-03 20:06 */ @Data @Accessors (chain = true ) //注解用来配置lombok如何产生和显示getters和setters的方法 public class ApIData {
/** * 身份证号 */ private String ident_card;
/** * 姓名 */ private String name;
/** * 户号 水务局使用查询 */ private String hh;
/** * 用水月份 YYYY-MM */ private String month;
/** * 房东用户ID */ private String owner_id;
/** * 所属街道 */ private String street_name;
} |
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原文链接：https://blog.csdn.net/tanqingfu1/article/details/123680192
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