摘要：
\"#$%&()*+,/:;?[]^`{|}~%"; vartt=“”；for（vari=0；i＜str.length；i++）｛varchr＝str.charAt（i）；varc＝str2asc（chr）；tt+＝chr+“：”+c+“n”；if（parseInt（“0x”+c）＞0x7f）｛ret+＝“%”+c.slice（0,2）+“%”+c.slice）；elseret+=chr；｝｝returnret；｝函数UrlDecode（str）{varret=“”；for（vari=0；i˂str.length；i++）{varchr=str.charAt（i）；if（chr==“+”）{ret+=“””；}elseif（chr===“%”）{varasc=str.substring（i+1，i+3）；if=5；｝else｛ret+=asc2str（parseInt（“0x”+asc））；i+=2；｝｝else{ret+=chr；｝}returnret；｝
![[转帖]javascript版 UrlEncode和UrlDecode函数第1张](https://www.cnblogs.com/Images/OutliningIndicators/ContractedBlock.gif)
![[转帖]javascript版 UrlEncode和UrlDecode函数第2张](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockStart.gif)
VBScript![[转帖]javascript版 UrlEncode和UrlDecode函数第3张](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<script language="vbscript">Function str2asc(strstr) str2asc = hex(asc(strstr)) End Function Function asc2str(ascasc) asc2str = chr(ascasc) End Function</script> JavaScript<script language="javascript"> function UrlEncode(str)![[转帖]javascript版 UrlEncode和UrlDecode函数第18张](https://www.cnblogs.com/Images/dot.gif)
{ ![[转帖]javascript版 UrlEncode和UrlDecode函数第19张](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
var ret=""; var strSpecial="!\"#$%&()*+,/:;<=>?[]^`{|}~%"; var tt=""; for(var i=0;i<str.length;i++)![[转帖]javascript版 UrlEncode和UrlDecode函数第22张](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![[转帖]javascript版 UrlEncode和UrlDecode函数第23张](https://www.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif)
{ var chr = str.charAt(i); var c=str2asc(chr); tt += chr+":"+c+"n"; if(parseInt("0x"+c) > 0x7f) { ret+="%"+c.slice(0,2)+"%"+c.slice(-2); ![[转帖]javascript版 UrlEncode和UrlDecode函数第33张](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
} else { if(chr==" ") ret+="+"; else if(strSpecial.indexOf(chr)!=-1) ret+="%"+c.toString(16); else ret+=chr; } } return ret; ![[转帖]javascript版 UrlEncode和UrlDecode函数第47张](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockEnd.gif)
} function UrlDecode(str){ var ret=""; for(var i=0;i<str.length;i++) { var chr = str.charAt(i); if(chr == "+") { ret+=" "; } else if(chr=="%") { var asc = str.substring(i+1,i+3); if(parseInt("0x"+asc)>0x7f) { ret+=asc2str(parseInt("0x"+asc+str.substring(i+4,i+6))); i+=5; } else { ret+=asc2str(parseInt("0x"+asc)); i+=2; } } else { ret+= chr; } } return ret; } </script>