摘要：
php使用rand随机函数生成随机字符串生成一组<?php$str = "0123456789abcdefghijklmnopqrstuvwxyz~@#()_";//输出字符集$n = 10;//输出串长度$len = strlen($str)-1; for($i=0 ; $i<$n; $i++){ $s .= $str[rand(0,$len)]; } echo $s . "<br/>"; $s = "";?>生成多组<?php$str = "0123456789abcdefghijkl 阅读全文