location.search 表單提交的內容處理為物件
阿新 • • 發佈：2018-12-12
<!DOCTYPE HTML> <html> <head> <title>事件處理</title> <meta charset="utf-8" /> </head> <body> <a href="#top">to top</a> <form> 姓名:<input name="username"/><br> 密碼:<input type="password" name="pwd"/><br> 愛好:<input type="checkbox" name="favs" value="running"/>跑步 <input type="checkbox" name="favs" value="swimming"/>游泳 <input type="checkbox" name="favs" value="basketball"/>籃球 <br> <input type="submit"/> </form> <script> function search2Obj(){//程式碼保護/驗證 var params={};//定義要儲存內容的物件 if(location.search!==""){ //?username=lena&pwd=123456 var search=location.search.slice(1);//去掉? //username=lena&pwd=123456 var subStrs=search.split("&");//按&切割 //[username=lena,pwd=123456] for(var sub of subStrs){ var arr=sub.split("="); if(params[arr[0]]===undefined) params[arr[0]]=arr[1]; else{ params[arr[0]]= [].concat(params[arr[0]],arr[1]) } } } return params;//存為物件返回 } var params=search2Obj(); console.log(params); var {username, pwd}=params; console.log(username,pwd); </script> </body> </html>