Angular-UI Bootstrap提供了许多组件,从流行的的Bootstrap项目移植到Angular 指令(显著的减少了代码量)。如果你计划在Angular应用中使用Bootstrap组件,我建议细心检查。话虽如此,直接使用Bootstrap,应该也是可以工作的。
Angular controller可以共享service的代码。警报就是把service代码共享到controller的很好用例之一。
Angular-UI Bootstrap文档提供了下面的例子:
view
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controller
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function AlertDemoCtrl($scope) {
$scope.alerts = [
{ type: 'error',msg: 'Oh snap! Change a few things up and try submitting again.' },{ type: 'success',msg: 'Well done! You successfully read this important alert message.' }
];
$scope.adDalert = function() {
$scope.alerts.push({msg: "Another alert!"});
};
$scope.closeAlert = function(index) {
$scope.alerts.splice(index,1);
};
}
鉴于我们要在app中的不同的控制器中创建警报,并且跨控制器的代码不好引用,我们将要把它移到service中。
alertService
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'use strict';
/* services.js */
// don't forget to declare this service module as a dependency in your main app constructor!
var appServices = angular.module('appApp.services',[]);
appServices.factory('alertService',function($rootScope) {
var alertService = {};
// create an array of alerts available globally
$rootScope.alerts = [];
alertService.add = function(type,msg) {
$rootScope.alerts.push({'type': type,'msg': msg});
};
alertService.closeAlert = function(index) {
$rootScope.alerts.splice(index,1);
};
return alertService;
});
view
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最后,我们需要将alertService's中的closeAlert()方法绑定到$globalScope。
controller
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function RootCtrl($rootScope,$location,alertService) {
$rootScope.changeView = function(view) {
$location.path(view);
}
// root binding for alertService
$rootScope.closeAlert = alertService.closeAlert;
}
RootCtrl.$inject = ['$scope','$location','alertService'];
我不完全赞同这种全局绑定,我希望的是直接从警报指令中的close data属性中调用service方法,我不清楚为什么不这样来实现。
现在创建一个警报只需要从你的任何一个控制器中调用alertService.add()方法。
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function ArbitraryCtrl($scope,alertService) {
alertService.add("warning","This is a warning.");
alertService.add("error","This is an error!");
}
总结
以上所述是小编给大家介绍的Angular-UI Bootstrap组件实现警报功能。编程之家 jb51.cc 收集整理的教程希望能对你有所帮助,如果觉得编程之家不错,可分享给好友!感谢支持。