randomcheckcode.java

来自「一个可以存储和打印成绩单的系统」· Java 代码 · 共 29 行

package org.wuhang.transfer;

import java.util.Calendar;
import java.util.Random;

public class RandomCheckcode {
	private String random_checkcode;
	public RandomCheckcode(){
		setR();
	}
	public String getRandom_checkcode() {
		return random_checkcode;
	}
	public void setRandom_checkcode(String random_checkcode) {
		this.random_checkcode = random_checkcode;
	}
	
	private void setR(){
		int seconds = Calendar.SECOND;
		String seed = String.valueOf(seconds);
		Random random = new Random(Integer.parseInt(seed));
		String random_s = "";
		for(int i=0;i<8;i++){
			int random_n = random.nextInt(10);
			random_s = random_s + String.valueOf(random_n);
		}
		this.setRandom_checkcode(random_s);
	}
}