如何在脚本源中替换url [英] How to replace url in script source

问题描述

有一个网址

/Kentico9/CMSPages/GetResource.ashx

在下面的脚本中，

 < script src =/ Kentico9 / CMSPages / GetResource.ashx？scriptfile =％7e％2fCMSScripts％2fRequireJS％2frequire.jstype =text / javascript>< / script> 
< script src =/ Kentico9 / CMSPages / GetResource.ashx？scriptfile =％7e％2fCMSScripts％2fRequireJS％2fconfig.js& amp; amp; amp; amp; amp; amp; amp; amp; amp; amp; amp; amp; amp;脚本> 
< script src =/ Kentico9 / CMSPages / GetResource.ashx？scriptfile =％7e％2fCMSScripts％2fcms.jstype =text / javascript>< / script> 
< script type =text / javascript> 
 //<！[CDATA [
 if（（window.originalPostback == null）&&（window .__ doPostBack！= null））{window.originalPostback = __doPostBack; __doPostBack = __doPostBackWithCheck; } 
 
 //]]> 
< / script> 
将SCRIPT SRC = / Kentico9 /的ScriptResource.axd d = _9yHV47QJb18THQ6kRwtMTYWP8AyLTDDz_ezsjVynWQhicLV_U3iBRnjAic5MX-xDgyPX48_xtLVYXhKOv2UCJKAoTTMC4wGhtJzijblJUqnor1iJ4U59KPu7436hU-U0&安培; amp; T公司= 7c776dc1 类型= 文本/ JavaScript的 >< /脚本> 
将SCRIPT SRC = / Kentico9 /的ScriptResource.axd d = zf3zdXaB_cJmg3ZI845HWFeB9wwz6hDKzOk9u8r8LRzjBXOxGqGc8ov1CG1yunKlRYOyRHSZ9KBtNMB3nu1nMQXXiYklnIFMhWV0Xj3pkcNu0JnN6rQtu7_ee21y6R8Tp2tmpXsVH8ZTIabIz8lDAA2&安培; amp; T公司= 7c776dc1 类型= 文本/ JavaScript的 >< /脚本> 
< script type =text / javascript> 
 //<！[CDATA [
 var CMS = CMS || {}; 
 CMS.Application = {
isRTL：false，
isDebuggingEnabled：true，
applicationUrl：/ Kentico9 /，
 imagesUrl：/Kentico9/CMSPages/GetResource.ashx?image=%5bImages.zip%5d%2f，
isDialog：false 
}; 
  

我需要更改此网址

  /Kentico9/CMSPages/GetResource.ashx 
  

至

  http：//localhost/Kentico9/CMSPages/GetResource.ashx 
   
 
我尝试了下面的脚本来替换，这是行不通的。 
 
 
  var res =上面显示的整个html源代码; 
 res.replace（'/ Kentico9 /'，'http：// localhost / Kentico9 /'）; 
  
我如何让这工作？ 
 
解决方案
两件事： 
 
 
 
 
 
 替换 返回新字符串。  当您传递一个字符串作为第一个参数时，它只会替换第一个实例，不是全部。要替换全部，您需要一个正则表达式，其中包含 g 标志。 
 
所以：
 
 
  res = res.replace（/ \ / Kentico9 \ / CMSPages \ / GetResource\\ \\.ashx / g，'http：//localhost/Kentico9/CMSPages/GetResource.ashx'）; 
 // ^  - 赋值^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ^ 
 //正则表达式全局
  
请注意 / 和。在正则表达式中被转义，否则它们在正则表达式中有特殊含义。
 
There is a url 

  
/Kentico9/CMSPages/GetResource.ashx
in the following script,
  <script src="/Kentico9/CMSPages/GetResource.ashx?scriptfile=%7e%2fCMSScripts%2fRequireJS%2frequire.js" type="text/javascript"></script>
<script src="/Kentico9/CMSPages/GetResource.ashx?scriptfile=%7e%2fCMSScripts%2fRequireJS%2fconfig.js&amp;resolvemacros=1" type="text/javascript"></script>
<script src="/Kentico9/CMSPages/GetResource.ashx?scriptfile=%7e%2fCMSScripts%2fcms.js" type="text/javascript"></script>
<script type="text/javascript">
//<![CDATA[
if ((window.originalPostback == null) && (window.__doPostBack != null)) { window.originalPostback = __doPostBack; __doPostBack = __doPostBackWithCheck; }

//]]>
</script>
<script src="/Kentico9/ScriptResource.axd?d=_9yHV47QJb18THQ6kRwtMTYWP8AyLTDDz_ezsjVynWQhicLV_U3iBRnjAic5MX-xDgyPX48_xtLVYXhKOv2UCJKAoTTMC4wGhtJzijblJUqnor1iJ4U59KPu7436hU-u0&amp;t=7c776dc1" type="text/javascript"></script>
<script src="/Kentico9/ScriptResource.axd?d=zf3zdXaB_cJmg3ZI845HWFeB9wwz6hDKzOk9u8r8LRzjBXOxGqGc8ov1CG1yunKlRYOyRHSZ9KBtNMB3nu1nMQXXiYklnIFMhWV0Xj3pkcNu0JnN6rQtu7_ee21y6R8Tp2tmpXsVH8ZTIabIz8lDAA2&amp;t=7c776dc1" type="text/javascript"></script>
<script type="text/javascript">
//<![CDATA[
var CMS = CMS || {};
CMS.Application = {
"isRTL": "false",
"isDebuggingEnabled": true,
"applicationUrl": "/Kentico9/",
"imagesUrl": "/Kentico9/CMSPages/GetResource.ashx?image=%5bImages.zip%5d%2f",
"isDialog": false
};
I need to change this url 
/Kentico9/CMSPages/GetResource.ashx 
to
http://localhost/Kentico9/CMSPages/GetResource.ashx
I tried the following script to replace ,which is not working.
var res = "entire html source shown above";
res.replace('/Kentico9/', 'http://localhost/Kentico9/');
How i make this working?
解决方案
Two things:

replace returns the new string.
When you pass a string as the first argument, it only replaces the first instance, not all of them. to replace all, you need a regular expression with the g flag.
So:
res = res.replace(/\/Kentico9\/CMSPages\/GetResource\.ashx/g, 'http://localhost/Kentico9/CMSPages/GetResource.ashx');
//  ^-- assign    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ^
//                regex                                    global
Note that the / and the . in the regular expression are escaped, as otherwise they have special meaning in the regex.

                        
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