javaBean转Map工具类

package com.tacct.tradecontract.web;

import java.lang.reflect.Method;
import java.util.HashMap;
import java.util.Map;

public class BeanToMap<K, V> {
	private BeanToMap() {
	}

	@SuppressWarnings("unchecked")
	public static <K, V> Map<K, V> Bean2Map(Object javaBean) {
		Map<K, V> ret = new HashMap<K, V>();
		try {
			Method[] methods = javaBean.getClass().getDeclaredMethods();
			for (Method method : methods) {
				if (method.getName().startsWith("get")) {
					String field = method.getName();
					field = field.substring(field.indexOf("get") + 3);
					field = field.toLowerCase().charAt(0) + field.substring(1);
					Object value = method.invoke(javaBean, (Object[]) null);
					ret.put((K) field, (V) (null == value ? "" : value));
				}
			}
		} catch (Exception e) {
		}
		return ret;
	}
	
	public static void main(String[] args) {
		Person person = new Person();
		person.setAge(11);
		person.setName("张珊");
		System.out.println(Bean2Map(person));
	}
}

class Person{
	private String name;
	private int age;
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
	public int getAge() {
		return age;
	}
	public void setAge(int age) {
		this.age = age;
	}
	
}

 

评论

1 楼 finallygo 2013-09-05  

common-beanutils已经有这个工具类了