package com.franky.bean;

import org.apache.commons.beanutils.BeanUtils;
import org.apache.commons.beanutils.PropertyUtils;

/**
 * @描述 BeanUtils與PropertyUtils的使用	需要JAR包commons-beanutils.jar與commons-logging-1.1.jar
 * @作者 franky
 * @日期 2014-12-31 下午12:04:24
 */
public class JavaBeanTestWithBeanUtils {

	/**
	 * @param args
	 * @throws Exception 
	 */
	public static void main(String[] args) throws Exception {
		Point point = new Point(5, 5);
		
		//beanutils操作bean的屬性都會轉換為字串
		//利用beanutils得到bean物件的屬性值
		System.out.println(BeanUtils.getProperty(point, "x"));
		//BeanUtils返回的是String型別
		System.out.println(BeanUtils.getProperty(point, "x").getClass().getName());
		
		//利用beanutils設定bean物件的屬性值
		BeanUtils.setProperty(point, "x", 10);
		System.out.println(BeanUtils.getProperty(point, "x"));
		
		//可以對非基本型別的屬性進行級聯操作,獲取date屬性中的time
		//將非基本型別的屬性物件同樣當作bean物件操作
		System.out.println(BeanUtils.getProperty(point, "date.time"));
		//設定date的time屬性值，BeanUtils只支援8種基本資料型別的轉換，其他型別需要進行ConvertUtils.register()；進行型別轉換
		BeanUtils.setProperty(point, "date.time", 1234567);
		System.out.println(BeanUtils.getProperty(point, "date.time"));
		
		//利用PropertyUtils進行屬性值的獲取，返回的值型別為屬性的本型別
		//而不是BeanUtils返回的都是String型別
		
		System.out.println(PropertyUtils.getProperty(point, "x"));
		//本型別為Integer
		System.out.println(PropertyUtils.getProperty(point, "x").getClass().getName());
		
	}

}
 

Point類：

package com.franky.bean;

import java.util.Date;

public class Point {
		private int x;
		private int y;
		private Date date = new Date();
		/**
		 * @return the date
		 */
		public Date getDate() {
			return date;
		}
		/**
		 * @param date the date to set
		 */
		public void setDate(Date date) {
			this.date = date;
		}
		/**
		 * @return the x
		 */
		public int getX() {
			return x;
		}
		/**
		 * @param x the x to set
		 */
		public void setX(int x) {
			this.x = x;
		}
		/**
		 * @return the y
		 */
		public int getY() {
			return y;
		}
		/**
		 * @param y the y to set
		 */
		public void setY(int y) {
			this.y = y;
		}
		public Point(int x, int y) {
			super();
			this.x = x;
			this.y = y;
		}
	}