根据int随机生成名字

esrrhs

于 2014-04-17 20:58:10 发布

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    static void RandStrByInt(int data, char * out, size_t size)      
    {	
        const char words[] = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
        out[size - 1] = 0;
        for (int i = 0; i < int(size - 1); i++)	 
        {   
            data = (data * 196314165) + 907633515;
            out[i] = words[data % sizeof(words)];
        }   
        if (out[0] == 0)
        {
            out[0] = words[data % (sizeof(words) - 1)];
        }
    }