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;
}
}