inputerro.java

用java编写的对数据库

package project;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class InputErro 
{   static String sex1;
    static int age1;

	static BufferedReader b=new BufferedReader(new InputStreamReader(System.in)); //生成字符输入流
	public static void sex(String sex)
	{        
	try {
//		     sex = b.readLine();
		     String sex1="男";
		     String sex2= "女";
		     if(sex.equals(sex1)||sex.equals(sex2))
		     {
		    
		     }
		     else
		     {
		    	System.out.println("性别只能是男或女");
		    	sex1 = b.readLine();
				sex(sex1);
				
		     }
	     } catch (IOException e) 
	     {
	
		       System.out.println("性别有误，请重新输入");
		   
		 }
	
		   
		    	
	}
	
	public static void age(int age)
	{
//	if(In/teger/.)
		
		try 
		{
//			int    age=Integer.parseInt( b.readLine());
			if(age<0||age>100)
			{
				System.out.println("年龄只能在0-100之间，请重新输入年龄");
				 age1=Integer.parseInt( b.readLine());
				 age(age1);
			}
		
			
		} catch (IOException e) 
		{
			// TODO Auto-generated catch block
			System.out.println("年龄只能输入数字，请重新输入年龄");
//			age1=Integer.parseInt( b.readLine());
//			age(age1);
			
		}
	}
	 
	
	 
	 
}