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.compareObj(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
