只要將charnum改變就可以自定義設計生成隨機數的個數。
//獲取驗證碼的**
void getvalidatecode()
}//隨機碼的生成獲取5個隨機數字
static void main(string args)
console.writeline(str);
str = string.empty;
}console.read();
}//獲取5個隨機的大寫英文本母
string strran = "abcdefghijklmnopqrstuvwxyz";
string str = "";
system.random rom = new random();
int strnums = 5;
for (int i = 0; i < 8; i++)
console.writeline(str);
str = string.empty;
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coding utf 8 created on mon sep 16 01 21 02 2019 author administrator import random from captcha.image import imagecaptcha import numpy as np from pil...
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private static int r private static int g private static int b private static stringbuffer buffer public static final char chars public static random ...