html如下：<!DOCTYPE html><html><head><meta charset="UTF-8"><title>title</title><!-- <meta http-equiv="refresh" content="2" > --&g

Comment mettre en œuvre le rafraîchissement automatique partiel du tableau des informations obtenues depuis l'interface-Questions et réponses sur le réseau chinois PHP

html如下：

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>title</title>
<! -- <méta http-equiv="refresh" content="2"> -->
<script langage="javascript" src="../JS/login.js"></script>
<link rel="stylesheet" href="../CSS/login .css" type="text/css">
</head>
<body onload="Connexion();">
<div class="main">

  < ;div id="myDiv" class="table1box">


   <table id="table1" class="table1" border="1px">
    <tr>
     <th>信息< /th>
     <th>msg</th>
     <th>认证码</th>
    </tr>
    </div>
    </div>
   </table>


</body>
</html>

js如下：

function Login() {
var xmlhttp;
si (window.XMLHttpRequest) {
xmlhttp = new XMLHttpRequest();
} else {
xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
}

xmlhttp.onreadystatechange = function() {
  if (xmlhttp.readyState == 4 && xmlhttp. status == 200) {
   var datastr = xmlhttp.responseText;
   var dataobj = JSON.parse(datastr)
   let dataarr = [];
   for (laisser i dans dataobj) {
    dataarr.push(dataobj[i]) ;
   }

   var table = document.getElementById("table1");
   var row = table.insertRow(table.rows.length);
   var c1 = row.insertCell(0);
   c1.innerHTML = dataarr[ 0];
   var c2 = row.insertCell(1);
   c2.innerHTML = dataarr[1];
   var c3 = row.insertCell(2);
   c3.innerHTML = dataarr[2];
  }
}
xmlhttp.open("POST", "https://api.123321yun.com/api/user/login?username=test123&password=123456", true);
xmlhttp.setRequestHeader("Content-type", "application/x -www-form-urlencoded");
xmlhttp.send();

}

小白求帮忙