AngularJS入门教程之 XMLHttpRequest实例讲解

2024-05-06 14:54:14

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AngularJS XMLHttpRequest

$http 是 AngularJS 中的一个核心服务，用于读取远程服务器的数据。

读取 JSON 文件

以下是存储在web服务器上的 JSON 文件：

http://www.runoob.com/try/angularjs/data/Customers_JSON.php

{"records":[{"Name" : "Alfreds Futterkiste","City" : "Berlin","Country" : "Germany"},{"Name" : "Berglunds snabbköp","City" : "Luleå","Country" : "Sweden"},{"Name" : "Centro comercial Moctezuma","City" : "México D.F.","Country" : "Mexico"},{"Name" : "Ernst Handel","City" : "Graz","Country" : "Austria"},{"Name" : "FISSA Fabrica Inter. Salchichas S.A.","City" : "Madrid","Country" : "Spain"},{"Name" : "Galería del gastrónomo","City" : "Barcelona","Country" : "Spain"},{"Name" : "Island Trading","City" : "Cowes","Country" : "UK"},{"Name" : "Königlich Essen","City" : "Brandenburg","Country" : "Germany"},{"Name" : "Laughing Bacchus Wine Cellars","City" : "Vancouver","Country" : "Canada"},{"Name" : "Magazzini Alimentari Riuniti","City" : "Bergamo","Country" : "Italy"},{"Name" : "North/South","City" : "London","Country" : "UK"},{"Name" : "Paris spécialités","City" : "Paris","Country" : "France"},{"Name" : "Rattlesnake Canyon Grocery","City" : "Albuquerque","Country" : "USA"},{"Name" : "Simons bistro","City" : "København","Country" : "Denmark"},{"Name" : "The Big Cheese","City" : "Portland","Country" : "USA"},{"Name" : "Vaffeljernet","City" : "Århus","Country" : "Denmark"},{"Name" : "Wolski Zajazd","City" : "Warszawa","Country" : "Poland"}]}

AngularJS $http

AngularJS $http 是一个用于读取web服务器上数据的服务。

$http.get(url) 是用于读取服务器数据的函数。

AngularJS 实例

<!DOCTYPE html><html><head><meta charset="utf-8"><script src="http://apps.bdimg.com/libs/angular.js/1.4.6/angular.min.js"></script></head><body><div ng-app="myApp" ng-controller="customersCtrl"> <ul> <li ng-repeat="x in names">  {{ x.Name + ', ' + x.Country }} </li></ul></div><script>var app = angular.module('myApp', []);app.controller('customersCtrl', function($scope, $http) { $http.get("http://www.runoob.com/try/angularjs/data/Customers_JSON.php") .success(function (response) {$scope.names = response.records;});});</script></body></html>

运行结果：

Alfreds Futterkiste, Germany

Ana Trujillo Emparedados y helados, Mexico

Antonio Moreno Taquería, Mexico

Around the Horn, UK

B's Beverages, UK

Berglunds snabbköp, Sweden

Blauer See Delikatessen, Germany

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