angular实现页面数据动态加载
2014-01-03 16:06
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这边文章总结使用ANGULAR实现页面动态加载效果,算是使用JS MVC框架的一个演练。先上效果图:
再上代码及相关解释:
HTML页面关键代码:
<div ng-app ng-controller="UserSearchCtrl">
<ul data-role="listview" data-inset="true" data-corners="false" data-split-icon="phone" >
<li ng-repeat="row in rows">
<a href="#" ng-click="select( $index )">
<h2>{{$index+1}}.{{row.STAFF_NAME}}</h2>
<p>工号:{{row.STAFF_CODE}} </p>
<p>联系电话:{{row.RELA_MOBILE}}</p>
<p>状态:{{row.STATE}}</p>
</a>
<a href="tel:{{row.RELA_MOBILE}}"></a>
</li>
</ul>
<input type="button" value="{{msg}} >共{{total}} 条数据" id="nextPage" ng-click="nextPage()" />
</div>
ng-app ng-controller="UserSearchCtrl" 的作用定义ANGULAR app 及 Control的作用范围JS代码:
UserSearchCtrl函数对应 ng-controller
function UserSearchCtrl($scope ) {
$scope.url= "${ctx}/sqlservice/pagequery.json?sqlKey=admin.staffInfoList";
$scope.staffName ="STAFF";
// 点击页面搜索按钮后
$scope.params = {staffName:'${param.staffName}',lanId :'${param.lanId}'};
AngularPage.initPagination($scope);
AngularPage.nextPage($scope );
if($scope.loadCompleted){
disableBtn('#nextPage') ;
}
//点击加载更多...
$scope.nextPage= function() {
AngularPage.nextPage($scope );
if($scope.loadCompleted){
disableBtn('#nextPage') ;
}
};
}
AngularPage 封装了相关加载数据代码:
URL 返回数据格式举例如下: { "total" : 121212, "rows":[ {CODE:'1212'},{CODE:'1212'}] }
var AngularPage ={};
AngularPage.nextPage = function ($scope){
$scope.curPage = $scope.curPage + 1 ;
$scope.params.page = $scope.curPage ;
if($scope.loadCompleted){
return ;
}
// depend on jquery ajax
$scope.msg = "加载中.....";
$.ajax({ url: $scope.url, data:$scope.params , type:$scope.method, async: false, dataType :"json" ,
success: function(data, status) {
$scope.status = status;
$scope.total = data.total;
if($scope.rows.length < $scope.total){
$scope.msg = "点击加载更多.....";
$scope.rows = $scope.rows.concat( data.rows );
}
if($scope.rows.length >= $scope.total){
$scope.loadCompleted = true ;
console.log( "加载完毕!" );
$scope.msg = "加载完毕!";
}
},
error : function(data, status) {
$scope.data = data || "Request failed";
$scope.msg = "加载失败!";
$scope.status = status;
}
});
};
AngularPage.initPagination = function ($scope){
$scope.method = "POST" ;
$scope.curPage = 0; // 当前页码
$scope.params.rows = 20; //每页记录条数
$scope.total = 0; //总记录条数
$scope.rows =[] ; //页面加载的结果集
$scope.msg="点击加载更多.....";
$scope.loadCompleted = false ;
};
// depend on serializeObject
AngularPage.initParam = function ($scope,jqElement){
var formParams = jqElement.serializeObject() ;
angular.extend($scope.params, formParams);
};
//jqm disableBtn
function disableBtn(btnId){
$(btnId).attr("disabled","disabled");
$(btnId).parent().addClass("ui-state-disabled");
}
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