从javascript访问JSP变量[Angular JS] [英] Accessing JSP variable from javascript [Angular JS]
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问题描述
我正在使用angular JS和JSP.我需要从JSP检索会话属性变量到我的控制器.我的代码在下面
I am working with angular JS and JSP. i need to retrieve the session attribute variable from the JSP to my controller. My code is below
JSP
<html lang="en" ng-app="myApp">
<body>
<div data-ng-controller="myCtrl as vm" style="height:100%">
<md-content layout="row" style="height:100%">
<div class="widget">
<h2>Header</h2>
<div ui-view></div>
</div>
</md-content>
</div>
<script type="text/javascript" src="/root/script/script.js"></script>
<%
String policy = session.getAttribute("POLICY_CHANGE");
%>
</body>
</html>
JS
var app = angular.module('myApp', []);
app.controller('myCtrl', function($scope) {
// i want to get the JSP variable here
});
推荐答案
将会话值设置为隐藏输入.
Set session value to hidden input.
<div data-ng-controller="myCtrl as vm">
<input type="hidden" id="sessionData" />
</div>
<script>
var data = '<%=request.getSession().getAttribute("POLICY_CHANGE")%>';
document.getElementById("sessionData").value = data;
</script>
获得价值
app.controller('myCtrl', function($scope, $document) {
$scope.data = $document[0].getElementById("sessionData").value;
console.log($scope.data);
});
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