package com.fastbee.common.utils;
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import com.fastbee.common.core.thingsModel.ThingsModelSimpleItem;
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import java.lang.reflect.Field;
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import java.lang.reflect.Modifier;
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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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public class BeanMapUtilByReflect {
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/**
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* 对象转Map
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* @param object
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* @return
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* @throws IllegalAccessException
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*/
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public static Map beanToMap(Object object) throws IllegalAccessException {
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Map<String, Object> map = new HashMap<String, Object>();
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Field[] fields = object.getClass().getDeclaredFields();
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for (Field field : fields) {
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field.setAccessible(true);
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map.put(field.getName(), field.get(object));
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}
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return map;
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}
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/**
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* bean转item对象
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* @param object
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* @return
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* @throws IllegalAccessException
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*/
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public static List<ThingsModelSimpleItem> beanToItem(Object object) throws IllegalAccessException {
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List<ThingsModelSimpleItem> result = new ArrayList<>();
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Field[] fields = object.getClass().getDeclaredFields();
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for (Field field : fields) {
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field.setAccessible(true);
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ThingsModelSimpleItem item = new ThingsModelSimpleItem();
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item.setId(field.getName());
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item.setValue(field.get(object)+"");
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item.setTs(DateUtils.getNowDate());
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result.add(item);
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}
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return result;
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}
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/**
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* map转对象
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* @param map
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* @param beanClass
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* @param <T>
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* @return
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* @throws Exception
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*/
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public static <T> T mapToBean(Map map, Class<T> beanClass) throws Exception {
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T object = beanClass.newInstance();
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Field[] fields = object.getClass().getDeclaredFields();
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for (Field field : fields) {
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int mod = field.getModifiers();
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if (Modifier.isStatic(mod) || Modifier.isFinal(mod)) {
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continue;
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}
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field.setAccessible(true);
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if (map.containsKey(field.getName())) {
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field.set(object, map.get(field.getName()));
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}
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}
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return object;
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}
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}
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