学步园

代码：

public string CreateVerifyCode(int codeLen, int zhCharsCount)<br /> {<br /> char[] chs = new char[codeLen];</p> <p> int index;<br /> for (int i = 0; i < zhCharsCount; i++)<br /> {<br /> index = rnd.Next(0, codeLen);</p> <p> // 注释则取消中文字符<br /> //if (chs[index] == '/0')<br /> // chs[index] = CreateZhChar();<br /> //else<br /> // --i;<br /> }<br /> for (int i = 0; i < codeLen; i++)<br /> {<br /> if (chs[i] == '/0')<br /> chs[i] = CreateEnOrNumChar();<br /> }</p> <p> return new string(chs, 0, chs.Length);<br /> }

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