package com.thunisoft.maybee.engine.utils; import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
import java.util.Date;
import java.util.HashMap;
import java.util.Map; public class MapObjUtil { /**
* 实体对象转成Map
*
* @param obj 实体对象
* @return
*/
public static Map<String, Object> object2Map(Object obj) {
Map<String, Object> map = new HashMap<String, Object>();
if (obj == null) {
return map;
}
Class clazz = obj.getClass();
Field[] fields = clazz.getDeclaredFields();
try {
for (Field field : fields) {
field.setAccessible(true);
map.put(field.getName(), field.get(obj));
}
} catch (Exception e) {
e.printStackTrace();
}
return map;
} /**
* Map转成实体对象
*
* @param map map实体对象包含属性
* @param clazz 实体对象类型
* @return
*/
public static <T> T map2Object(Map<String, Object> map, Class<T> clazz) {
if (map == null) {
return null;
}
T obj = null;
try {
obj = clazz.newInstance(); Field[] fields = obj.getClass().getDeclaredFields();
for (Field field : fields) {
int mod = field.getModifiers();
if (Modifier.isStatic(mod) || Modifier.isFinal(mod)) {
continue;
}
field.setAccessible(true);
String filedTypeName = field.getType().getName();
if (filedTypeName.equalsIgnoreCase("java.util.date")) {
String datetimestamp = String.valueOf(map.get(field.getName()));
if (datetimestamp.equalsIgnoreCase("null")) {
field.set(obj, null);
} else {
field.set(obj, new Date(Long.parseLong(datetimestamp)));
}
} else {
field.set(obj, map.get(field.getName()));
}
}
} catch (Exception e) {
e.printStackTrace();
}
return obj;
}
}