谁知道怎么让下面的程序循环判断啊？高手帮帮忙~

显示全部楼层 · 2010-9-8 17:58:22

public void ae() {

Hair h = new Hair();
Scanner sc = new Scanner(System.in);
String sql = "select * from job where jcode=?";
String[] pro = { jcode };
ResultSet rs = h.query(sql, pro);
while(true){
try {
if (rs.next() == false) {

System.out.println("不存在此编号，请重新输入：");

jcode = sc.next();
}
else {

}

千问 · 2010-9-8 17:58:22

public void ae() {boolean a = true;Hair h = new Hair();Scanner sc = new Scanner(System.in);while(a){String sql = "select * from job where jcode=?";String[] pro = { jcode };ResultSet rs = h.query(sql, pro);
try {
if (rs.next()==true) {
a = false; } else {
System.out.pri

千问 · 2010-9-8 17:58:22

while(true)这不是循环吗

千问 · 2010-9-8 17:58:22

public void ae() {boolean boo=true;//添加一个循环控制变量while(boo){//添加循环Hair h = new Hair();Scanner sc = new Scanner(System.in);String sql = "select * from job where jcode=?";S

千问 · 2010-9-8 17:58:22

你的代码jcode变量不知在哪声明的，你自已处理吧,代码如下:public void ae() {Hair h = new Hair();Scanner sc = new Scanner(System.in);String sql = "select * from job where jcode=?";String

谁知道怎么让下面的程序 循环判断啊？ 高手 帮帮忙~

谁知道怎么让下面的程序循环判断啊？高手帮帮忙~