inputvalidate.java

ftp 客服端和服务器端

package com.topking.ftp.validate;

import java.awt.Component;

import javax.swing.JOptionPane;

public class InputValidate {

	/**
	 * @param args
	 */
	public static boolean inputIsNull(Component c,String title,Object value){
		boolean flag = false;
		if(value instanceof String){
			if(value==null||"".equals(value)){
				JOptionPane.showMessageDialog(c, title+"不能为空","错误",JOptionPane.ERROR_MESSAGE);
				flag = true;
			}
		}		
		return flag;
	}
	public static void main(String[] args) {
		// TODO Auto-generated method stub

	}

}