我试图通过创建一个Angular JS指令使用Morris JS创建一个图形.我的指令代码是:
Reporting.directive('morrisLine', function(){ return { restrict: 'EA', template: 'test2', scope: { data: '=', //list of data object to use for graph xkey: '=', ykey: '=' }, link: function(scope,element,attrs){ new Morris.Line({ element: element, data: [ { year: '2008', value: 20 }, { year: '2009', value: 10 }, { year: '2010', value: 5 }, { year: '2011', value: 5 }, { year: '2012', value: 20 } ], xkey: '{year}', ykey: ['value'], }); } }; });
我在浏览器上检查控制台时收到的错误代码是:
TypeError: Cannot call method 'match' of undefined at Object.t.parseDate (eval at(http://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js:3:4904), :1:9523) at n.eval (eval at (http://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js:3:4904), :1:3297) at n.t.Grid.r.setData (eval at (http://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js:3:4904), :1:3888) at n.r (eval at (http://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js:3:4904), :1:1680) at new n (eval at (http://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js:3:4904), :1:11953) at link (http://127.0.0.1:8000/static/js/app/directives/directives.js:94:20) at j (http://127.0.0.1:8000/static/js/libs/angular/angular.min.js:43:157) at e (http://127.0.0.1:8000/static/js/libs/angular/angular.min.js:38:463) at e (http://127.0.0.1:8000/static/js/libs/angular/angular.min.js:38:480) at e (http://127.0.0.1:8000/static/js/libs/angular/angular.min.js:38:480) 错误代码指向的部分是说的部分
element : element,我是Angular JS和指令的新手,我希望有人能指出我如何处理这个问题的正确方向.谢谢!
1 个回答
这就是我对莫里斯图表的看法.例子是条形图:
sampleApp.directive('barchart', function() { return { // required to make it work as an element restrict: 'E', template: '<div></div>', replace: true, // observe and manipulate the DOM link: function($scope, element, attrs) { var data = $scope[attrs.data], xkey = $scope[attrs.xkey], ykeys= $scope[attrs.ykeys], labels= $scope[attrs.labels]; Morris.Bar({ element: element, data: data, xkey: xkey, ykeys: ykeys, labels: labels }); } }; });然后你可以使用它与这个元素:
<barchart xkey="xkey" ykeys="ykeys" labels="labels" data="myModel"></barchart>其中myModel是要在指令中传递的数据数组,它应该具有与morris图表兼容的正确格式.仔细研究该对象如何在指令中的"link"函数中传递.
这是一个完整的工作示例:http://jsbin.com/ayUgOYuY/5/edit?html,js,output
2023-02-13 14:51 回答快乐碧云轩在江湖撰写答案