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@@ -1,132 +0,0 @@
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-package com.kede.common.utils;
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-
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-import java.beans.BeanInfo;
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-import java.beans.Introspector;
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-import java.beans.PropertyDescriptor;
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-import java.lang.reflect.Method;
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-import java.util.ArrayList;
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-import java.util.HashMap;
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-import java.util.List;
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-import java.util.Map;
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-
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-
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-/**
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- * Map工具类
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- *
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- */
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-public class MapUtils {
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-
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- /**
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- * 从map集合中获取属性值
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- *
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- * @param <E>
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- * @param map map集合
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- * @param key 键对
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- * @param defaultValue 默认值
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- * @return
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- */
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- @SuppressWarnings({ "unchecked", "rawtypes" })
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- public final static <E> E get(Map map, Object key, E defaultValue) {
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- Object o = map.get(key);
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- if (o == null)
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- return defaultValue;
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- return (E) o;
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- }
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-
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- /**
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- * Map集合对象转化成 JavaBean集合对象
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- *
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- * @param javaBean JavaBean实例对象
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- * @param mapList Map数据集对象
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- * @return
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- */
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- @SuppressWarnings({ "rawtypes" })
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- public static <T> List<T> map2Java(T javaBean, List<Map> mapList) {
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- if(mapList == null || mapList.isEmpty()){
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- return null;
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- }
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- List<T> objectList = new ArrayList<T>();
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-
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- T object = null;
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- for(Map map : mapList){
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- if(map != null){
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- object = map2Java(javaBean, map);
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- objectList.add(object);
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- }
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- }
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-
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- return objectList;
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-
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- }
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-
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- /**
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- * Map对象转化成 JavaBean对象
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- *
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- * @param javaBean JavaBean实例对象
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- * @param map Map对象
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- * @return
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- */
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- @SuppressWarnings({ "rawtypes","unchecked"})
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- public static <T> T map2Java(T javaBean, Map map) {
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- try {
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- // 获取javaBean属性
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- BeanInfo beanInfo = Introspector.getBeanInfo(javaBean.getClass());
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- // 创建 JavaBean 对象
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- Object obj = javaBean.getClass().newInstance();
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-
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- PropertyDescriptor[] propertyDescriptors = beanInfo.getPropertyDescriptors();
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- if (propertyDescriptors != null && propertyDescriptors.length > 0) {
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- String propertyName = null; // javaBean属性名
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- Object propertyValue = null; // javaBean属性值
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- for (PropertyDescriptor pd : propertyDescriptors) {
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- propertyName = pd.getName();
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- if (map.containsKey(propertyName)) {
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- propertyValue = map.get(propertyName);
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- pd.getWriteMethod().invoke(obj, new Object[] { propertyValue });
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- }
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- }
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- return (T) obj;
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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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-
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- return null;
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- }
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-
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- /**
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- * JavaBean对象转化成Map对象
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- *
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- * @param javaBean
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- * @return
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- */
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- @SuppressWarnings({ "rawtypes", "unchecked" })
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- public static Map java2Map(Object javaBean) {
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- Map map = new HashMap();
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-
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- try {
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- // 获取javaBean属性
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- BeanInfo beanInfo = Introspector.getBeanInfo(javaBean.getClass());
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-
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- PropertyDescriptor[] propertyDescriptors = beanInfo.getPropertyDescriptors();
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- if (propertyDescriptors != null && propertyDescriptors.length > 0) {
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- String propertyName = null; // javaBean属性名
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- Object propertyValue = null; // javaBean属性值
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- for (PropertyDescriptor pd : propertyDescriptors) {
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- propertyName = pd.getName();
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- if (!propertyName.equals("class")) {
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- Method readMethod = pd.getReadMethod();
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- propertyValue = readMethod.invoke(javaBean, new Object[0]);
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- map.put(propertyName, propertyValue);
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- }
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- }
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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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-
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- return map;
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- }
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-
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-}
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