package com.wood.util; 
 
import java.lang.reflect.Field; 
import java.util.HashMap; 
import java.util.Map; 
 
/** 
*  
* @ClassName: BeanToMapUtils 
* @Description: TODO 
* @author  wood 
* @date   2014-10-31 下午09:52:41 
* 
 */ 
public class BeanToMapUtils { 
  /** 
   * getFileds獲取所有public 屬性<br/> 
   * getDeclaredFields 獲取所有聲明的屬性<br/> 
   * @param bean 
   * @return 將某個(gè)類及其繼承屬性全部添加到Map中 
   */ 
  public static Map<String,Object> beanToMap(Object bean){ 
    Map<String,Object> result = new HashMap<String,Object>(); 
    if(bean==null){ 
      return result; 
    } 
     
    Field[] fields = bean.getClass().getDeclaredFields(); 
    if(fields==null||fields.length==0){ 
      return result; 
    } 
     
    for(Field field:fields){ 
      //重置屬性可見(而且一般屬性都是私有的)，否則操作無(wú)效 
      boolean accessible = field.isAccessible(); 
      if(!accessible){ 
        field.setAccessible(true); 
      } 
       
      //獲取屬性名稱及值存入Map 
      String key = field.getName(); 
      try { 
        result.put(key, field.get(bean)); 
      } catch (IllegalArgumentException e) { 
        e.printStackTrace(); 
      } catch (IllegalAccessException e) { 
        e.printStackTrace(); 
      } 
       
      //還原屬性標(biāo)識(shí) 
      field.setAccessible(accessible); 
    } 
     
    //獲取父類屬性 
    fields = bean.getClass().getSuperclass().getDeclaredFields(); 
    if(fields==null||fields.length==0){ 
      return result; 
    } 
     
    for(Field field:fields){ 
      //重置屬性可見(而且一般屬性都是私有的)，否則操作無(wú)效 
      boolean accessible = field.isAccessible(); 
      if(!accessible){ 
        field.setAccessible(true); 
      } 
       
      //獲取屬性名稱及值存入Map 
      String key = field.getName(); 
      try { 
        result.put(key, field.get(bean)); 
      } catch (IllegalArgumentException e) { 
        e.printStackTrace(); 
      } catch (IllegalAccessException e) { 
        e.printStackTrace(); 
      } 
       
      //還原屬性標(biāo)識(shí) 
      field.setAccessible(accessible); 
    } 
     
    return result; 
  } 
   
  public static void main(String[] args) { 
    Dog info = new Dog(); 
    info.setCountry("cc"); 
    info.setName("Dog"); 
     
    info.setCategory("gram"); 
    info.setOwner("wang"); 
     
    System.out.println(beanToMap(info)); 
  } 
}