package com.tianbo.util.Bean;

import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
import java.util.HashMap;
import java.util.Map;

public class Bean2Map {
    /**
       * 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<>();
    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 Object map2Object(Map<String, Object> map, Class<?> clazz) {
    if (map == null) {
      return null;
    }
    Object 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);
        field.set(obj, map.get(field.getName()));
      }
    } catch (Exception e) {
      e.printStackTrace();
    }
    return obj;
  }

}