网站禁止PC电脑访问，只允许手机访问代码

限制网页只在手机端中打开，网站屏蔽PC端访问JS代码，网站只允许手机端访问

1. <script type="text/javascript">
   
2. if(window.screen.width==0){window.location.replace("https://xxxx.com")};
   
3. var system={win:false,mac:false,xll:false};
   
4. var p = navigator.platform;
   
5. system.win=p.indexOf("Win")==0;
   
6. system.mac=p.indexOf("Mac")==0;
   
7. system.x11=(p=="X11") || (p.indexOf("Linux")==0);
   
8. if(system.win||system.mac||system.xll) {
   
9. location.replace("https://xxxx.com");
   
10. }
    
11. </script>

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