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

怎麼實現從介面取得的資訊的表格局部自動刷新-PHP中文網路問答

html如下：

#

< ;title>標題</title>

<腳本語言=“javascript”src=“../JS/login.js”>

   <表id= "table1" class="table1" border="1px"> ;
    <tr>
       <tr>
     <th>資訊</th>
     <th>msg</th>
<&th> </tr>
    </div>
    </div>

js如下：

function Login() {
var xmlhttp;
if (window.XMLHttpRequest) {
xmlhttp = new XMLHttpRequest();
} else {

#############################################################################################H 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 (let i in data let dataarr = [];#### for (let i in dataobj) {##. dataobj[i]);### }###### var table = document.getElementById("table1");### var row = table.insertRow(table.rows.length);##> = row.insertCell(0);### c1.innerHTML = dataarr[0];### var c2 = row.insertCell(1);### c2.innerHTML = dataarr = 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() ;### ####}######小白求幫忙######