<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<link type="test/css" href="css/style.css" rel="stylesheet">
<body>
<input type="text" style="width:600px;height:30px;font-size:14px;" id="urlText" value="" />
<br>
<input type="button" style="margin: 10px"; id="cors" value="判断是否可访问"/>
<p>http://sz07.hrzhao.com/UEP/scenetest/GetSceneTestList.mt</p>
<p>10.209.158.160:8082/UEP/scenetest/GetSceneTestList.mt</p>
<p>10.209.158.160:9092/UEP/scenetest/GetSceneTestList.mt</p>
<script type="text/javascript" src="https://cdn.staticfile.org/jquery/1.10.2/jquery.min.js"></script>
<script type="text/javascript">
jQuery.support.cors = true
$(function(){
$("#cors").click(
function(){
//debugger
var url2 = $("#urlText").val();
//var requestData="grant_type=password&username=15528252046&password=abc1234";
<!-- $.post({ -->
<!-- contentType:‘application/x-www-form-urlencoded;charset=UTF-8‘, -->
<!-- url:url2, -->
<!-- data: "/rAIeKeSBG1LV+XoIq82/O", -->
<!-- success:function(data){ -->
<!-- debugger -->
<!-- alert("success"); -->
<!-- } -->
<!-- }) -->
$.ajax({
url: url2,
type: ‘POST‘,
beforeSend: function(xhr) {
xhr.setRequestHeader("Authorization", "验证Token");
},
data: ‘username=123123&password=34535&grant_type=password‘,
dataType: ‘json‘,
crossDomain: true,
//async: "false",
headers: {
‘Content-Type‘: ‘application/json;charset=utf8‘,
‘Authorization‘: ‘验证Token‘
},
success: function(data) {
console.log("sucess");
},
error: function(data) {
console.log("error");
}
});
});
});
</script>
</body>
</html>
原文：https://www.cnblogs.com/mojiejushi/p/14075625.html