有個(gè)項(xiàng)目要給客戶發(fā)送隨機(jī)驗(yàn)證碼, 試了下這樣可以
srand(time(0));
code = [NSString stringWithFormat:@"%d", (rand() % (9999 - 1001)) + 1001];
有個(gè)項(xiàng)目要給客戶發(fā)送隨機(jī)驗(yàn)證碼, 試了下這樣可以
srand(time(0));
code = [NSString stringWithFormat:@"%d", (rand() % (9999 - 1001)) + 1001];