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javascript on respone done xmlhttpresponse ajax

<script>
  function goLogin() { var xhr =new XMLHttpRequest() var fd=new FormData(document.getElementById("mForm")) xhr.onreadystatechange=function() { document.getElementById("result").innerHTML=xhr.responseText } xhr.open("POST", "http://127.0.0.1:8090/login", true) xhr.send(fd) } </script> </head> <body>
<form id="mForm" action="http://127.0.0.1:8090/login" method="post" enctype="multipart/form-data"> <div class="flex-center flex-vertical top-gap"> <div class="unit-0"><input type="hidden" name="state" value="LOGIN"></div> <div class="unit-0">邮箱:<input type="text" name="email"></div> <div class="unit-0">密码:<input type="password" name="password"></div> <div class="unit-0" id="nick" style="display: none;">昵称:<input type="text" name="nick"></div> <div class="unit-0" id="gender" style="display: none;"> <input type="radio" name="gender" value="male" checked>男 <input type="radio" name="gender" value="female">女 </div> <div class="unit-0" id="avatar" style="display: none;">头像: <input type="file" name="avatar" accept="image/gif,image/jpeg,image/png,image/webp"> </div> <div class="unit-0" id="result"></div> <div class="unit-0"> <button type="button" id="login" class="btn btn-primary" onclick="goLogin()" name="submit" value="">登录</button> <button type="button" class="btn" id="back" onclick="goback()" style="display: none;">返回</button> <button type="button" class="btn" id="toRegister" onclick="switchToR()">注册</button> <button type="button" name="register" class="btn btn-primary" id="register" style="display: none;" onclick="goRegister()">注册</button> </div> </div> </form>

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android hide actionbar

public class MainActivity extends Activity { ActionBar actionBar; //声明ActionBar @Override protected void onCreate( Bundle savedInstanceState) { super .onCreate(savedInstanceState); setContentView( R .layout.activity_main); actionBar = getSupportActionBar(); //得 到ActionBar actionBar.hide(); //隐藏ActionBar } }
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go url encoding

func  QueryUnescape func QueryUnescape (s string ) ( string , error ) QueryUnescape does the inverse transformation of QueryEscape, converting %AB into the byte 0xAB and '+' into ' ' (space). It returns an error if any % is not followed by two hexadecimal digits. func  QueryUnescape func QueryUnescape (s string ) ( string , error ) QueryUnescape does the inverse transformation of QueryEscape, converting %AB into the byte 0xAB and '+' into ' ' (space). It returns an error if any % is not followed by two hexadecimal digits.
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