AngularJS:显示加载器图像,直到加载数据

Question

使用angular js + php显示结果,如何在加载数据之前显示加载器图像,这里我的代码写在下面,

在数据加载完成之前,如何让AngularJS显示加载图像？

app.js文件

var app = angular.module('myApp3', ['ui.bootstrap']);

app.filter('startFrom', function() {

    return function(input, start) {
        if(input) {
            start = +start; //parse to int
            return input.slice(start);
        }
        return [];
    }
});
app.controller('customersCrtl', function ($scope, $http, $timeout) {
    $http.get('http://www.testurl.com/index.php/site/getprofileLocations').success(function(data){

        $scope.list = data;
        $scope.currentPage = 1; //current page
        $scope.entryLimit = 20; //max no of items to display in a page
        $scope.filteredItems = $scope.list.length; //Initially for no filter  
        $scope.totalItems = $scope.list.length;
    });
    $scope.setPage = function(pageNo) {
        $scope.currentPage = pageNo;
    };
    $scope.filter = function() {
        $timeout(function() { 
            $scope.filteredItems = $scope.filtered.length;
        }, 10);
    };
    $scope.sort_by = function(predicate) {
        $scope.predicate = predicate;
        $scope.reverse = !$scope.reverse;
    };
});

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和PHP代码在这里

<html ng-app="myApp3" ng-app lang="en">


<div ng-controller="customersCrtl">
<div class="content" >

    <div class="row">
        <div class="col-md-2">PageSize:
            <select ng-model="entryLimit" class="form-control">
                <option>5</option>
                <option>10</option>
                <option>20</option>
                <option>50</option>
                <option>100</option>
            </select>
        </div>
        <div class="col-md-3">Filter:
            <input type="text" ng-model="search" ng-change="filter()" placeholder="Filter" class="form-control" />
        </div>
        <div class="col-md-4">
            <h5>Filtered {{ filtered.length }} Of {{ totalItems}} Total Locations</h5>
        </div>
    </div>
    <br/>
    <div class="row">
        <div class="col-md-12" ng-show="filteredItems > 0">
            <table class="table table-striped table-bordered">
            <thead>
            <th>Id&nbsp;<a ng-click="sort_by('id');"><i class="glyphicon glyphicon-sort"></i></a></th>
            <th>Place Name&nbsp;<a ng-click="sort_by('name');"><i class="glyphicon glyphicon-sort"></i></a></th>
            <th>Category ID&nbsp;<a ng-click="sort_by('category_name');"><i class="glyphicon glyphicon-sort"></i></a></th>


            </thead>
            <tbody>
                <tr ng-repeat="data in filtered = (list | filter:search | orderBy : predicate :reverse) | startFrom:(currentPage-1)*entryLimit | limitTo:entryLimit">
                   <td>{{data.id}}</td>
                    <td>{{data.name}}</td>
                    <td>{{data.category_name}}</td>



                </tr>
            </tbody>
            </table>
        </div>
        <div class="col-md-12" ng-show="filteredItems == 0">
            <div class="col-md-12">
                <h4>No Locations found</h4>
            </div>
        </div>
        <div class="col-md-12" ng-show="filteredItems > 0">    
            <div pagination="" page="currentPage" on-select-page="setPage(page)" boundary-links="true" total-items="filteredItems" items-per-page="entryLimit" class="pagination-small" previous-text="&laquo;" next-text="&raquo;"></div>


        </div>
    </div>
</div>
</div>

<script src="<?php echo Yii::app()->baseUrl; ?>/angular/js/angular.min.js"></script>
<script src="<?php echo Yii::app()->baseUrl; ?>/angular/js/ui-bootstrap-tpls-0.10.0.min.js"></script>
<script src="<?php echo Yii::app()->baseUrl; ?>/angular/app/app.js"></script>

</html>

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Answer 1

Ven*_*pal 18

显示加载器onload并在加载数据后隐藏它.

$scope.showLoader = true;
$http.get('http://www.testurl.com/index.php/site/getprofileLocations').success(function(data){
    $scope.showLoader = false;
    // rest of your code
});

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编辑:来自赛义德答案的HTML代码

<div ng-show="showLoader"><!-- so this div containing img will be dislpayed only when the showLoader is equal to true-->
    <img src="source"> <!-- or any other spinner -->
</div>

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