js将网址转为urlencode类型_javascript技巧

调用方法，将下面函数写在一个js文件，支持调用
将要encode 的网址改

<script> function UrlEncode(str) { return transform(str); } function transform(s) { var hex='' var i,j,t j=0 for (i=0; i<s.length; i++) { t = hexfromdec( s.charCodeAt(i) ); if (t=='25') { t=''; } hex += '%' + t; } return hex; } function hexfromdec(num) { if (num > 65535) { return ("err!") } first = Math.round(num/4096 - .5); temp1 = num - first * 4096; second = Math.round(temp1/256 -.5); temp2 = temp1 - second * 256; third = Math.round(temp2/16 - .5); fourth = temp2 - third * 16; return (""+getletter(third)+getletter(fourth)); } function getletter(num) { if (num < 10) { return num; } else { if (num == 10) { return "A" } if (num == 11) { return "B" } if (num == 12) { return "C" } if (num == 13) { return "D" } if (num == 14) { return "E" } if (num == 15) { return "F" } } } alert(UrlEncode("编程")); </script>
[Ctrl+A 全选 注:如需引入外部Js需刷新才能执行]