我在内存中有大约1000项的数据集,并试图创建一个寻呼机 这个数据集,但我不确定怎么做。

我正在使用一个自定义过滤器函数来过滤结果,这工作得很好,但我需要以某种方式获得页数。

有线索吗?


当前回答

下面的代码将有助于在后端提供自定义分页角repeat。

你的数据会在

$scope.myticketIssuesData = [];
$scope.allticketIssuesData = [];

var jiraapp = angular.module('jiraapp', ['ui.bootstrap']); jiraapp.controller('JiraController', ['$scope', '$http', '$window','$location', function JiraController($scope, $http, $window,$location) { $scope.myticketIssuesData = []; $scope.allticketIssuesData = []; $scope.jiraIssue = {}; $scope.RequesterType = []; $scope.loading = false; $scope.showerror = false; $scope.alert = {}; $scope.maxSize = 10; $scope.totalCount = 0; $scope.pageIndex = 0; $scope.startIndex = 0; $scope.pageSizeSelected = 10; $scope.maxallSize = 10; $scope.totalallCount = 0; $scope.pageallIndex = 0; $scope.startallIndex = 0; $scope.pageallSizeSelected = 10; $scope.getUserTickets = function() { $scope.loading = true; $http({ method: 'GET', url: 'http://localhost:53583/api/Jira/getUserTickets?assignee='+$scope.loc+'&startAt='+ $scope.startIndex +'&maxResults='+$scope.pageSizeSelected, headers: { "Accept": "application/json", "Access-Control-Allow-Origin": "http://localhost:8080", "crossDomain": "true", } }).then(function successCallback(response) { $scope.myticketIssuesData = response.data.issues; $scope.totalCount = response.data.total; $scope.loading = false; }, function errorCallback(response) { $scope.loading = false; }); } $scope.getrequestType = function(){ $http({ method: 'GET', url: 'http://localhost:53583/api/Jira/getrequestType', headers: { "Accept": "application/json", "Access-Control-Allow-Origin": "http://localhost:8080", "crossDomain": "true", } }).then(function successCallback(response) { $scope.RequesterType = response.data.values; }, function errorCallback(response) { }); } $scope.getDropDown = function(){ $scope.getrequestType(); } $scope.initialize = function (item) { $scope.getUserTickets(); $scope.getDropDown(); } $scope.initialize(); $scope.pageChanged = function () { if($scope.pageIndex == 0) $scope.startIndex = 0; else if($scope.pageIndex == 1) $scope.startIndex = 0; else $scope.startIndex = (($scope.pageIndex-1) * $scope.pageSizeSelected); $scope.getUserTickets(); }; $scope.pageallChanged = function () { if($scope.pageallIndex == 0) $scope.startallIndex = 0; else if($scope.pageallIndex == 1) $scope.startallIndex = 0; else $scope.startallIndex = (($scope.pageallIndex-1) * $scope.pageallSizeSelected); $scope.getAllTickets(); }; $scope.changeallPageSize = function () { $scope.pageallIndex = 0; $scope.getAllTickets(); }; $scope.getAllTickets = function() { $scope.loading = true; $http({ method: 'GET', url: 'http://localhost:53583/api/Jira/getAllTickets?startAt='+ $scope.startallIndex +'&maxResults='+$scope.pageallSizeSelected, headers: { "Accept": "application/json", "Access-Control-Allow-Origin": "http://localhost:8080", "crossDomain": "true", } }).then(function successCallback(response) { $scope.allticketIssuesData = response.data.issues; $scope.totalallCount = response.data.total; $scope.loading = false; }, function errorCallback(response) { $scope.loading = false; }); } }]); <html ng-app="jiraapp"> <head> <script src="https://code.jquery.com/jquery-3.4.1.slim.min.js" crossorigin="anonymous"></script> <script src="https://cdn.jsdelivr.net/npm/popper.js@1.16.0/dist/umd/popper.min.js" crossorigin="anonymous"></script> <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css" crossorigin="anonymous"> <link href='https://fonts.googleapis.com/css?family=Source+Sans+Pro' rel='stylesheet' type='text/css'> <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/js/bootstrap.min.js" crossorigin="anonymous"></script> <script src="/angular.min.js"></script> <script src="/jira.js"></script> <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/angularjs/1.2.6/angular-route.min.js"></script> <script src="/ui-bootstrap-tpls-0.13.4.min.js"></script> <!-- this is important --> <style type="text/css"> #loading { position: fixed; top: 50%; left: 50%; margin-top: -5em; margin-left: -10em; } .pagination { display: inline-block; padding-left: 0; margin: 20px 0; border-radius: 4px } .pagination>li { display: inline } .pagination>li>a, .pagination>li>span { position: relative; float: left; padding: 6px 12px; margin-left: -1px; line-height: 1.42857143; color: #337ab7; text-decoration: none; background-color: #fff; border: 1px solid #ddd } .pagination>li:first-child>a, .pagination>li:first-child>span { margin-left: 0; border-top-left-radius: 4px; border-bottom-left-radius: 4px } .pagination>li:last-child>a, .pagination>li:last-child>span { border-top-right-radius: 4px; border-bottom-right-radius: 4px } .pagination>li>a:focus, .pagination>li>a:hover, .pagination>li>span:focus, .pagination>li>span:hover { z-index: 3; color: #23527c; background-color: #eee; border-color: #ddd } .pagination>.active>a, .pagination>.active>a:focus, .pagination>.active>a:hover, .pagination>.active>span, .pagination>.active>span:focus, .pagination>.active>span:hover { z-index: 2; color: #fff; cursor: default; background-color: #337ab7; border-color: #337ab7 } .pagination>.disabled>a, .pagination>.disabled>a:focus, .pagination>.disabled>a:hover, .pagination>.disabled>span, .pagination>.disabled>span:focus, .pagination>.disabled>span:hover { color: #777; cursor: not-allowed; background-color: #fff; border-color: #ddd } .pagination-lg>li>a, .pagination-lg>li>span { padding: 10px 16px; font-size: 18px; line-height: 1.3333333 } .pagination-lg>li:first-child>a, .pagination-lg>li:first-child>span { border-top-left-radius: 6px; border-bottom-left-radius: 6px } .pagination-lg>li:last-child>a, .pagination-lg>li:last-child>span { border-top-right-radius: 6px; border-bottom-right-radius: 6px } .pagination-sm>li>a, .pagination-sm>li>span { padding: 5px 10px; font-size: 12px; line-height: 1.5 } .pagination-sm>li:first-child>a, .pagination-sm>li:first-child>span { border-top-left-radius: 3px; border-bottom-left-radius: 3px } .pagination-sm>li:last-child>a, .pagination-sm>li:last-child>span { border-top-right-radius: 3px; border-bottom-right-radius: 3px } .pager { padding-left: 0; margin: 20px 0; text-align: center; list-style: none } .pager li { display: inline } .pager li>a, .pager li>span { display: inline-block; padding: 5px 14px; background-color: #fff; border: 1px solid #ddd; border-radius: 15px } .pager li>a:focus, .pager li>a:hover { text-decoration: none; background-color: #eee } .pager .next>a, .pager .next>span { float: right } .pager .previous>a, .pager .previous>span { float: left } .pager .disabled>a, .pager .disabled>a:focus, .pager .disabled>a:hover, .pager .disabled>span { color: #777; cursor: not-allowed; background-color: #fff } </style> </head> <body ng-controller="JiraController"> <div class="col-sm-12"> <div class="row" style="background: #09c;"> <div style="margin-left: auto; margin-right: auto;"> <img src="/logo.png" height="80"> <span class="d-none d-sm-inline" style="color: white; font-size: 4rem; vertical-align: middle; font-family:'Source Code Pro'">Jira</span> </div> </div> <div class="row"> <div class="col-sm-12"> <nav> <div class="nav nav-tabs" id="nav-tab" role="tablist"> <a class="nav-item nav-link active" id="nav-myticket-tab" data-toggle="tab" href="#nav-myticket" role="tab" aria-controls="nav-myticket" aria-selected="true" ng-click="getUserTickets()">My Ticket</a> </div> </nav> <div class="tab-content" id="nav-tabContent"> <div class="tab-pane fade show active" id="nav-myticket" role="tabpanel" aria-labelledby="nav-myticket-tab"> <div class="col-sm-12" style="margin:10px"> <div id="loading" ng-show="loading"> <img src="spinner.gif"> </div> <table ng-show="!loading" class="table table-striped table-bordered table-hover tabel-condensed"> <thead> <tr> <td>Key</td> <td>Priority</td> <td>Summary</td> <td>Assignee</td> <td>Status</td> <td>Due Date</td> </tr> </thead> <tbody> <tr ng-repeat="data in myticketIssuesData"> <td> <a href={{data.fields.customfield_10023._links.web}} target="_blank"> {{data.key}} </a> </td> <td>{{data.fields.priority.name}}</td> <td>{{data.fields.summary}}</td> <td>{{data.fields.assignee.displayName}}</td> <td>{{data.fields.status.name}}</td> <td>{{data.fields.duedate}}</td> </tr> </tbody> <tfoot> <tr> <td align="center" colspan="6"> <!-- <span class="form-group pull-left page-size form-inline"> <select id="ddlPageSize" class="form-control control-color" ng-model="pageSizeSelected" ng-change="changePageSize()"> <option value="5">5</option> <option value="10">10</option> <option value="25">25</option> <option value="50">50</option> </select> </span> --> <div class="pull-right"> <pagination total-items="totalCount" ng-change="pageChanged()" items-per-page="pageSizeSelected" direction-links="true" ng-model="pageIndex" max-size="maxSize" class="pagination" boundary-links="true" rotate="false" num-pages="numPages"> </pagination> <a style="margin-left: 640px;" class="btn btn-primary">Page: {{pageIndex}} / {{numPages}}</a> </div> </td> </tr> </tfoot> </table> </div> </div> </div> </div> </div> </body> </html>

其他回答

老问题,但因为我认为我的方法有点不同,不那么复杂,我将分享这一点,希望除了我之外的人觉得它有用。

我发现一个简单而又小的分页解决方案是将一个指令与一个使用相同作用域变量的过滤器结合起来。

为了实现这一点,你在数组上添加过滤器,并像这样添加directiv

<div class="row">
    <table class="table table-hover">
        <thead>
            <tr>
                <th>Name</th>
                <th>Price</th>
                <th>Quantity</th>
            </tr>
        </thead>
        <tbody>
            <tr ng-repeat="item in items | cust_pagination:p_Size:p_Step">
                <td>{{item.Name}}</td>
                <td>{{item.Price}}</td>
                <td>{{item.Quantity}}</td>
            </tr>
        </tbody>
    </table>
    <div cust-pagination p-items="items" p-boundarylinks="true" p-size="p_Size" p-step="p_Step"></div>
</div>

p_Size和p_Step是作用域变量,可以在作用域中自定义,否则p_Size的默认值为5,p_Step为1。

当分页中的步骤发生变化时,p_Step将被更新,并将触发cust_pagination过滤器进行新的过滤。 cust_pagination过滤器然后根据p_Step值对数组进行切片,如下所示,只返回分页部分中选择的活动记录

var startIndex = nStep * nPageSize;
var endIndex = startIndex + nPageSize;
var arr = items.slice(startIndex, endIndex);
return arr;

在这个活塞中查看完整的解决方案

我最近为用Angular构建的站点实现了分页。你可以签出源代码:https://github.com/angular/builtwith.angularjs.org

我会避免使用过滤器来分离页面。您应该在控制器中将这些项分解为页面。

我曾经多次使用Angular实现分页,对于一些我觉得可以简化的东西来说,这总是有点麻烦。我使用了这里和其他地方介绍的一些想法来创建一个分页模块,使分页变得简单如下:

<ul>
    <li dir-paginate="item in items | itemsPerPage: 10">{{ item }}</li>
</ul>

// then somewhere else on the page ....

<dir-pagination-controls></dir-pagination-controls>

就是这样。它具有以下特点:

在控制器中不需要自定义代码来将集合项绑定到分页链接。 你不需要使用表格或gridview -你可以对任何你可以重复的东西进行分页! 委托给ng-repeat,所以你可以使用任何可以在ng-repeat中有效使用的表达式,包括过滤、排序等。 跨控制器工作——分页控制指令不需要知道调用paginate指令的上下文的任何信息。

演示:http://plnkr.co/edit/Wtkv71LIqUR4OhzhgpqL?p=preview

对于那些正在寻找“即插即用”解决方案的人来说,我想你会发现这篇文章很有用。

Code

代码可以在GitHub上找到,包括一组很好的测试:

https://github.com/michaelbromley/angularUtils/tree/master/src/directives/pagination

如果你感兴趣,我还写了一篇关于模块设计的小文章:http://www.michaelbromley.co.uk/blog/108/paginate-almost-anything-in-angularjs/

概述:分页使用

 - ng-repeat
 - uib-pagination

观点:

<div class="row">
    <div class="col-lg-12">
        <table class="table">
            <thead style="background-color: #eee">
                <tr>
                    <td>Dispature</td>
                    <td>Service</td>
                    <td>Host</td>
                    <td>Value</td>
                </tr>
            </thead>
            <tbody>
                <tr ng-repeat="x in app.metricsList">
                    <td>{{x.dispature}}</td>
                    <td>{{x.service}}</td>
                    <td>{{x.host}}</td>
                    <td>{{x.value}}</td>
                </tr>
            </tbody>
        </table>

        <div align="center">
            <uib-pagination items-per-page="app.itemPerPage" num-pages="numPages"
                total-items="app.totalItems" boundary-link-numbers="true"
                ng-model="app.currentPage" rotate="false" max-size="app.maxSize"
                class="pagination-sm" boundary-links="true"
                ng-click="app.getPagableRecords()"></uib-pagination>        

            <div style="float: right; margin: 15px">
                <pre>Page: {{app.currentPage}} / {{numPages}}</pre>
            </div>          
        </div>
    </div>
</div>

JS控制器:

app.controller('AllEntryCtrl',['$scope','$http','$timeout','$rootScope', function($scope,$http,$timeout,$rootScope){

    var app = this;
    app.currentPage = 1;
    app.maxSize = 5;
    app.itemPerPage = 5;
    app.totalItems = 0;

    app.countRecords = function() {
        $http.get("countRecord")
        .success(function(data,status,headers,config){
            app.totalItems = data;
        })
        .error(function(data,status,header,config){
            console.log(data);
        });
    };

    app.getPagableRecords = function() {
        var param = {
                page : app.currentPage,
                size : app.itemPerPage  
        };
        $http.get("allRecordPagination",{params : param})
        .success(function(data,status,headers,config){
            app.metricsList = data.content;
        })
        .error(function(data,status,header,config){
            console.log(data);
        });
    };

    app.countRecords();
    app.getPagableRecords();

}]);

ng-repeat分页

    <div ng-app="myApp" ng-controller="MyCtrl">
<input ng-model="q" id="search" class="form-control" placeholder="Filter text">
<select ng-model="pageSize" id="pageSize" class="form-control">
    <option value="5">5</option>
    <option value="10">10</option>
    <option value="15">15</option>
    <option value="20">20</option>
 </select>
<ul>
    <li ng-repeat="item in data | filter:q | startFrom:currentPage*pageSize | limitTo:pageSize">
        {{item}}
    </li>
</ul>
<button ng-disabled="currentPage == 0" ng-click="currentPage=currentPage-1">
    Previous
</button>
{{currentPage+1}}/{{numberOfPages()}}
 <button ng-disabled="currentPage >= getData().length/pageSize - 1" ng-                 click="currentPage=currentPage+1">
    Next
    </button>
</div>

<script>

 var app=angular.module('myApp', []);

 app.controller('MyCtrl', ['$scope', '$filter', function ($scope, $filter) {
 $scope.currentPage = 0;
 $scope.pageSize = 10;
 $scope.data = [];
 $scope.q = '';

 $scope.getData = function () {

  return $filter('filter')($scope.data, $scope.q)

   }

   $scope.numberOfPages=function(){
    return Math.ceil($scope.getData().length/$scope.pageSize);                
   }

   for (var i=0; i<65; i++) {
    $scope.data.push("Item "+i);
   }
  }]);

        app.filter('startFrom', function() {
    return function(input, start) {
    start = +start; //parse to int
    return input.slice(start);
   }
  });
  </script>