package com.java110.utils.util;
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import org.apache.commons.beanutils.BeanUtils;
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import org.apache.commons.beanutils.ConvertUtils;
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import org.apache.commons.beanutils.Converter;
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import org.apache.commons.beanutils.PropertyUtils;
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import java.text.ParseException;
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import java.text.SimpleDateFormat;
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import java.util.ArrayList;
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import java.util.Date;
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import java.util.List;
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import java.util.Map;
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/**
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* @ClassName BeanConvertUtil
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* @Description bean 转化工具类
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* @Author wuxw
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* @Date 2019/4/24 12:53
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* @Version 1.0
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* add by wuxw 2019/4/24
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**/
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public final class ApacheBeanConvertUtil {
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private ApacheBeanConvertUtil() {
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}
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static {
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ConvertUtils.register(new Converter() { //注册一个日期转换器
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public Object convert(Class type, Object value) {
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Date date1 = null;
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if (value instanceof String) {
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String date = (String) value;
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SimpleDateFormat sdf = null;
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if (date.contains(":")) {
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sdf = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");
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} else {
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sdf = new SimpleDateFormat("yyyy-MM-dd");
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}
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try {
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date1 = sdf.parse(date);
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} catch (ParseException e) {
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e.printStackTrace();
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}
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return date1;
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}
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return value;
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}
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}, Date.class);
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ConvertUtils.register(new Java110StringConvert(), String.class);
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}
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/**
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* 对象A转为对象B
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* 这个也支持map转bean
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*
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* @param orgBean 原始对象
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* @param dstBean 目标对象类
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* @param <T1> 原始对象
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* @param <T2> 目标对象
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* @return 目标对象
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*/
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public static <T1, T2> T2 covertBean(T1 orgBean, T2 dstBean) {
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try {
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BeanUtils.copyProperties(dstBean, orgBean);
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} catch (Exception e) {
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e.printStackTrace();
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throw new RuntimeException("bean转换bean失败", e);
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}
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return dstBean;
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}
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/**
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* 对象A转为对象B (类)
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* 这个也支持map转bean
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*
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* @param orgBean 原始对象
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* @param t 目标对象类
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* @param <T1> 原始对象
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* @param <T2> 目标对象
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* @return 目标对象
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*/
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public static <T1, T2> T2 covertBean(T1 orgBean, Class<T2> t) {
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T2 returnModel = null;
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try {
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returnModel = t.newInstance();
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BeanUtils.copyProperties(returnModel, orgBean);
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} catch (Exception e) {
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e.printStackTrace();
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throw new RuntimeException("bean转换bean失败", e);
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}
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return returnModel;
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}
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/**
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* 对象A集合转为对象B集合
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*
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* @param orgBeans 原始对象列表
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* @param t 目标对象类
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* @param <T1> 原始对象
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* @param <T2> 目标对象
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* @return 目标对象
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*/
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public static <T1, T2> List<T2> covertBeanList(List<T1> orgBeans, Class<T2> t) {
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List<T2> newBeanList = new ArrayList<T2>();
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for (T1 orgbean : orgBeans) {
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T2 newBean = covertBean(orgbean, t);
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newBeanList.add(newBean);
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}
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return newBeanList;
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}
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/**
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* bean转换为map对象
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*
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* @param orgBean 原始bean
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* @return map对象
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*/
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public static Map beanCovertMap(Object orgBean) {
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Map newMap = null;
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try {
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newMap = PropertyUtils.describe(orgBean);
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} catch (Exception e) {
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throw new RuntimeException("bean转换Map失败", e);
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}
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return newMap;
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}
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/**
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* bean集合转换为map对象集合
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*
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* @param orgBeans 原始bean 列表
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* @return map对象 列表
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*/
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public static List<Map<String, Object>> beanCovertMapList(List<Object> orgBeans) {
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List<Map<String, Object>> newMaps = new ArrayList<Map<String, Object>>();
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Map<String, Object> newMap = null;
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for (Object orgbean : orgBeans) {
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newMap = beanCovertMap(orgbean);
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newMaps.add(newMap);
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}
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return newMaps;
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}
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}
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