利用Java反射机制将Bean转成Map

import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.LinkedHashMap;
import java.util.Map;

public class BeanUtil {

    /**Description: 利用Java反射机制将Bean转成Map
     * Create Date: 2014年11月4日上午11:48:26<br/>
     * Author     : cyy <br/>
     * Modify Date: <br/>
     * Modify By  : <br/>
     * @param obj
     * @return
     */
    public static Map<String,Object> transBean2Map(Object obj){
        Map<String,Object> map = new LinkedHashMap<String,Object>();
        //key值 应该是 obj类中的属性名，利用反射机制
        Field[] fields = obj.getClass().getDeclaredFields();
        for(int i=0; i<fields.length; i++){
            String field = fields[i].toString();
            String[] keys = field.split("\\.");
            String key = keys[keys.length-1];
            char toUpperCase = (char)(key.charAt(0)-32);
            String keyUpper = key.replaceFirst(new String(new char[]{key.charAt(0)}) ,new String(new char[]{toUpperCase}) );//key.replace(key.charAt(0),toUpperCase);
            Method getMethod;
            try {
                getMethod = obj.getClass().getDeclaredMethod("get"+keyUpper);//根据 field得到对应的get方法
                Object value = getMethod.invoke(obj);
                map.put(key, value);
            } catch (NoSuchMethodException e) {
                e.printStackTrace();
            } catch (SecurityException e) {
                e.printStackTrace();
            }catch (IllegalAccessException e) {
                e.printStackTrace();
            } catch (IllegalArgumentException e) {
                e.printStackTrace();
            } catch (InvocationTargetException e) {
                e.printStackTrace();
            }
        }
        return map;
    }
}