/**
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* Copyright 2018-2020 stylefeng & fengshuonan (https://gitee.com/stylefeng)
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* <p>
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* <p>
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* http://www.apache.org/licenses/LICENSE-2.0
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* <p>
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package cn.stylefeng.guns.sys.core.util;
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import cn.hutool.core.date.DateUtil;
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import cn.hutool.core.util.StrUtil;
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import cn.stylefeng.guns.base.dict.AbstractDictMap;
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import cn.stylefeng.guns.sys.core.constant.dictmap.factory.DictFieldWarpperFactory;
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import java.beans.PropertyDescriptor;
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import java.lang.reflect.Field;
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import java.lang.reflect.Method;
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import java.util.Date;
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import java.util.Map;
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/**
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* 对比两个对象的变化的工具类
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*
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* @author fengshuonan
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* @Date 2017/3/31 10:36
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*/
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public class Contrast {
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//记录每个修改字段的分隔符
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public static final String separator = ";;;";
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/**
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* 比较两个对象,并返回不一致的信息
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*
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* @author stylefeng
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* @Date 2017/5/9 19:34
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*/
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public static String contrastObj(Object pojo1, Object pojo2) {
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String str = "";
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try {
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Class clazz = pojo1.getClass();
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Field[] fields = pojo1.getClass().getDeclaredFields();
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int i = 1;
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for (Field field : fields) {
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if ("serialVersionUID".equals(field.getName())) {
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continue;
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}
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PropertyDescriptor pd = new PropertyDescriptor(field.getName(), clazz);
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Method getMethod = pd.getReadMethod();
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Object o1 = getMethod.invoke(pojo1);
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Object o2 = getMethod.invoke(pojo2);
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if (o1 == null || o2 == null) {
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continue;
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}
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if (o1 instanceof Date) {
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o1 = DateUtil.formatDate((Date) o1);
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}
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if (!o1.toString().equals(o2.toString())) {
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if (i != 1) {
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str += separator;
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}
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str += "字段名称" + field.getName() + ",旧值:" + o1 + ",新值:" + o2;
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i++;
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}
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}
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} catch (Exception e) {
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e.printStackTrace();
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}
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return str;
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}
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/**
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* 比较两个对象pojo1和pojo2,并输出不一致信息
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*
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* @author stylefeng
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* @Date 2017/5/9 19:34
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*/
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public static String contrastObj(Class dictClass, String key, Object pojo1, Map<String, String> pojo2) throws IllegalAccessException, InstantiationException {
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AbstractDictMap dictMap = (AbstractDictMap) dictClass.newInstance();
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String str = parseMutiKey(dictMap, key, pojo2) + separator;
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try {
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Class clazz = pojo1.getClass();
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Field[] fields = pojo1.getClass().getDeclaredFields();
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int i = 1;
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for (Field field : fields) {
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if ("serialVersionUID".equals(field.getName())) {
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continue;
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}
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PropertyDescriptor pd = new PropertyDescriptor(field.getName(), clazz);
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Method getMethod = pd.getReadMethod();
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Object o1 = getMethod.invoke(pojo1);
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Object o2 = pojo2.get(StrUtil.lowerFirst(getMethod.getName().substring(3)));
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if (o1 == null || o2 == null) {
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continue;
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}
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if (o1 instanceof Date) {
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o1 = DateUtil.formatDate((Date) o1);
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} else if (o1 instanceof Integer) {
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o2 = Integer.parseInt(o2.toString());
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}
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if (!o1.toString().equals(o2.toString())) {
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if (i != 1) {
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str += separator;
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}
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String fieldName = dictMap.get(field.getName());
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String fieldWarpperMethodName = dictMap.getFieldWarpperMethodName(field.getName());
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if (fieldWarpperMethodName != null) {
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Object o1Warpper = DictFieldWarpperFactory.createFieldWarpper(o1, fieldWarpperMethodName);
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Object o2Warpper = DictFieldWarpperFactory.createFieldWarpper(o2, fieldWarpperMethodName);
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str += "字段名称:" + fieldName + ",旧值:" + o1Warpper + ",新值:" + o2Warpper;
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} else {
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str += "字段名称:" + fieldName + ",旧值:" + o1 + ",新值:" + o2;
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}
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i++;
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}
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}
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} catch (Exception e) {
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e.printStackTrace();
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}
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return str;
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}
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/**
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* 比较两个对象pojo1和pojo2,并输出不一致信息
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*
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* @author stylefeng
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* @Date 2017/5/9 19:34
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*/
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public static String contrastObjByName(Class dictClass, String key, Object pojo1, Map<String, String> pojo2) throws IllegalAccessException, InstantiationException {
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AbstractDictMap dictMap = (AbstractDictMap) dictClass.newInstance();
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String str = parseMutiKey(dictMap, key, pojo2) + separator;
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try {
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Class clazz = pojo1.getClass();
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Field[] fields = pojo1.getClass().getDeclaredFields();
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int i = 1;
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for (Field field : fields) {
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if ("serialVersionUID".equals(field.getName())) {
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continue;
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}
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String prefix = "get";
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int prefixLength = 3;
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if (field.getType().getName().equals("java.lang.Boolean")) {
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prefix = "is";
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prefixLength = 2;
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}
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Method getMethod = null;
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try {
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getMethod = clazz.getDeclaredMethod(prefix + StrUtil.upperFirst(field.getName()));
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} catch (NoSuchMethodException e) {
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System.err.println("this className:" + clazz.getName() + " is not methodName: " + e.getMessage());
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continue;
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}
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Object o1 = getMethod.invoke(pojo1);
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Object o2 = pojo2.get(StrUtil.lowerFirst(getMethod.getName().substring(prefixLength)));
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if (o1 == null || o2 == null) {
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continue;
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}
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if (o1 instanceof Date) {
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o1 = DateUtil.formatDate((Date) o1);
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} else if (o1 instanceof Integer) {
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o2 = Integer.parseInt(o2.toString());
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}
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if (!o1.toString().equals(o2.toString())) {
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if (i != 1) {
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str += separator;
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}
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String fieldName = dictMap.get(field.getName());
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String fieldWarpperMethodName = dictMap.getFieldWarpperMethodName(field.getName());
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if (fieldWarpperMethodName != null) {
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Object o1Warpper = DictFieldWarpperFactory.createFieldWarpper(o1, fieldWarpperMethodName);
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Object o2Warpper = DictFieldWarpperFactory.createFieldWarpper(o2, fieldWarpperMethodName);
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str += "字段名称:" + fieldName + ",旧值:" + o1Warpper + ",新值:" + o2Warpper;
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} else {
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str += "字段名称:" + fieldName + ",旧值:" + o1 + ",新值:" + o2;
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}
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i++;
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}
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}
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} catch (Exception e) {
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e.printStackTrace();
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}
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return str;
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}
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/**
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* 解析多个key(逗号隔开的)
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*
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* @author stylefeng
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* @Date 2017/5/16 22:19
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*/
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public static String parseMutiKey(AbstractDictMap dictMap, String key, Map<String, String> requests) {
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StringBuilder sb = new StringBuilder();
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if (key.contains(",")) {
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String[] keys = key.split(",");
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for (String item : keys) {
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String fieldWarpperMethodName = dictMap.getFieldWarpperMethodName(item);
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String value = requests.get(item);
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if (fieldWarpperMethodName != null) {
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Object valueWarpper = DictFieldWarpperFactory.createFieldWarpper(value, fieldWarpperMethodName);
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sb.append(dictMap.get(item)).append("=").append(valueWarpper).append(",");
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} else {
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sb.append(dictMap.get(item)).append("=").append(value).append(",");
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}
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}
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return StrUtil.removeSuffix(sb.toString(), ",");
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} else {
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String fieldWarpperMethodName = dictMap.getFieldWarpperMethodName(key);
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String value = requests.get(key);
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if (fieldWarpperMethodName != null) {
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Object valueWarpper = DictFieldWarpperFactory.createFieldWarpper(value, fieldWarpperMethodName);
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sb.append(dictMap.get(key)).append("=").append(valueWarpper);
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} else {
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sb.append(dictMap.get(key)).append("=").append(value);
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}
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return sb.toString();
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}
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}
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}
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