ajaxSetup

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<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>jQuery调用token</title>
		<script src="../js/jquery-3.5.1.js" type="text/javascript" charset="utf-8"></script>
		<script src="js/com.ibaiqi.public.js" type="text/javascript" charset="utf-8"></script>
	</head>
	<body>
		<ul>
			<li><input type="button" id="btn2" onclick="loginCheck()" value="登陆查看控制台" /></li>
			<li><input type="button" id="btn2" onclick="userList()" value="查看是否授权登陆" /></li>
			<li><input type="button" id="btn2" onclick="getBaidu()" value="查看是否授权登陆baidu.com" /></li>
		</ul>
	</body>
</html>
<script type="text/javascript">
		
	$.ajaxSetup({	
		beforeSend: function(xhr) {
			// 发送请求时，带上token
			xhr.setRequestHeader("token", localStorage.getItem("token"))
			
		},
		error: function(xhr,status,error) {
			console.log(xhr);
			if (xhr.status === 401) {
				console.log("跳转到登陆页面")
				window.location.href = "./login.html"
			}
		}
	});
	/* 
		登陆与不登陆，返回不同json
	 */
	function userList() {
		console.log("userlist 准备请求111");
		console.log(url);
		//读取本地存储token
		// var token=localStorage.getItem("token")
		$.ajax({
			url: baseUrl+"/api/user/list",			
			// url: "http://169.254.150.246/api/user/list",
			method: "get",
			/* headers: {
				"token": token
			}, */
			success: function(res) {
				console.log(res);
			}
		})
	}

	
	/* 
		登陆成功，返回token 到控制台
	 */
	function loginCheck() {
		var token = localStorage.getItem("token")
		$.post(
			"http://169.254.150.246/jwt/login?username=admin&password=admin123",
			function(res) {
				console.log(res);
				//把反回过来token写入本地存储
				localStorage.setItem("token", res.token)
			}
		)
	}

	/* 
		请求百度
	 */
	function getBaidu() {
		console.log("getBaidu.com 准备请求");
		$.get(
			"https://www.baidu.com/",
			null,
			function(res) {
				console.log(res);
			}
		)
	}
</script>

 

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posted @ 2021-05-08 13:15  码哥之旅  阅读(139)  评论(0)  编辑  收藏  举报