angularJS分页

/**
* name: public.pagination Version: 1.0.0 beta
*/
angular
.module('public.pagination',[])
.directive(
'publicPagination',
[ function() {
return {
restrict : 'EA',
template : '<div class="page-list">'
+ '<ul class="pagination" ng-show="conf.totalItems > 0">'
+ '<li ng-class="{disabled: conf.currentPage == 1}" class="prevPage" ng-click="prevPage()"><span>&laquo;上一页 </span></li>'
+ '<li ng-repeat="item in pageList track by $index" ng-class="{active: item == conf.currentPage,separate: item == '...'}" '
+ 'ng-click="changeCurrentPage(item)">'
+ '<span>`item`</span>'
+ '</li>'
+ '<li ng-class="{disabled: conf.currentPage == conf.numberOfPages}"class="nextPage" ng-click="nextPage()"><span>下一页&raquo;</span></li>'
+ '</ul>'
+ '<div class="page-total" ng-show="conf.totalItems > 0">'
+ '每页&ensp;<select ng-model="conf.itemsPerPage" ng-options="option for option in conf.perPageOptions " ng-change="changeItemsPerPage()"></select>'
+ '&ensp;/共<strong>` conf`.`totalItems `</strong>条&ensp;'
+ '跳转至&ensp;<input type="text" ng-model="jumpPageNum" ng-keyup="jumpPageKeyUp($event)"/>&ensp;页'
+ '</div>'
+ '<div class="no-items" ng-show="conf.totalItems <= 0">暂无数据</div>'
+ '</div>',
replace : true,
scope : {
conf : '='
},
link : function(scope,element,attrs) {
var conf = scope.conf;
var defaultPagesLength = 9;
var defaultPerPageOptions = [ 10,15,20,30,50 ];
var defaultPerPage = 15;
if (conf.pagesLength) {
conf.pagesLength = parseInt(conf.pagesLength,
10);
if (!conf.pagesLength) {
conf.pagesLength = defaultPagesLength;
}
if (conf.pagesLength % 2 === 0) {
conf.pagesLength += 1;
}
} else {
conf.pagesLength = defaultPagesLength
}
if (!conf.perPageOptions) {
conf.perPageOptions = defaultPagesLength;
}
function getPagination(newValue,oldValue) {
if (conf.currentPage) {
conf.currentPage = parseInt(
scope.conf.currentPage,10);
}
if (!conf.currentPage) {
conf.currentPage = 1;
}
if (conf.totalItems) {
conf.totalItems = parseInt(conf.totalItems,
10);
}
if (!conf.totalItems) {
conf.totalItems = 0;
return;
}
if (conf.itemsPerPage) {
conf.itemsPerPage = parseInt(
conf.itemsPerPage,10);
}
if (!conf.itemsPerPage) {
conf.itemsPerPage = defaultPerPage;
}
conf.numberOfPages = Math.ceil(conf.totalItems
/ conf.itemsPerPage);
if (scope.conf.numberOfPages > 0
&& scope.conf.currentPage > scope.conf.numberOfPages) {
scope.conf.currentPage = scope.conf.numberOfPages;
}
var perPageOptionsLength = scope.conf.perPageOptions.length;
var perPageOptionsStatus;
for (var i = 0; i < perPageOptionsLength; i++) {
if (conf.perPageOptions[i] == conf.itemsPerPage) {
perPageOptionsStatus = true;
}
}
if (!perPageOptionsStatus) {
conf.perPageOptions.push(conf.itemsPerPage);
}
conf.perPageOptions.sort(function(a,b) {
return a - b
});
scope.pageList = [];
if (conf.numberOfPages <= conf.pagesLength) {
for (i = 1; i <= conf.numberOfPages; i++) {
scope.pageList.push(i);
}
} else {
var offset = (conf.pagesLength - 1) / 2;
if (conf.currentPage <= offset) {
for (i = 1; i <= offset + 1; i++) {
scope.pageList.push(i);
}
scope.pageList.push('...');
scope.pageList.push(conf.numberOfPages);
} else if (conf.currentPage > conf.numberOfPages
- offset) {
scope.pageList.push(1);
scope.pageList.push('...');
for (i = offset + 1; i >= 1; i--) {
scope.pageList
.push(conf.numberOfPages
- i);
}
scope.pageList.push(conf.numberOfPages);
} else {
scope.pageList.push(1);
scope.pageList.push('...');
for (i = Math.ceil(offset / 2); i >= 1; i--) {
scope.pageList
.push(conf.currentPage - i);
}
scope.pageList.push(conf.currentPage);
for (i = 1; i <= offset / 2; i++) {
scope.pageList
.push(conf.currentPage + i);
}
scope.pageList.push('...');
scope.pageList.push(conf.numberOfPages);
}
}
scope.$parent.conf = conf;
}
scope.prevPage = function() {
if (conf.currentPage > 1) {
conf.currentPage -= 1;
}
getPagination();
if (conf.onChange) {
conf.onChange();
}
};
scope.nextPage = function() {
if (conf.currentPage < conf.numberOfPages) {
conf.currentPage += 1;
}
getPagination();
if (conf.onChange) {
conf.onChange();
}
};
scope.changeCurrentPage = function(item) {
if (item == '...') {
return;
} else {
conf.currentPage = item;
getPagination();
if (conf.onChange) {
conf.onChange();
}
}
};
scope.changeItemsPerPage = function() {
conf.currentPage = 1;
getPagination();
if (conf.onChange) {
conf.onChange();
}
};
scope.jumpToPage = function() {
num = scope.jumpPageNum;
if (num.match(/d+/)) {
num = parseInt(num,10);
if (num && num != conf.currentPage) {
if (num > conf.numberOfPages) {
num = conf.numberOfPages;
}
conf.currentPage = num;
getPagination();
if (conf.onChange) {
conf.onChange();
}
scope.jumpPageNum = '';
}
}
};
scope.jumpPageKeyUp = function(e) {
var keycode = window.event ? e.keyCode
: e.which;
if (keycode == 13) {
scope.jumpToPage();
}
}
scope.$watch('conf.totalItems',function(value,
oldValue) {
if (!value || value == oldValue) {
if (conf.onChange) {
conf.onChange();
return;
}
}
getPagination();
})
}
};
} ]);

<div class="row text-center">
<public-pagination conf="paginationConf"></public-pagination>
</div>

//分页
$scope.paginationConf = {
currentPage: 1,
totalItems: 0,
itemsPerPage: 5,
pagesLength: 5,
perPageOptions: [5,10,25],
onChange: function(){
gro = ($scope.paginationConf.currentPage-1)*($scope.paginationConf.itemsPerPage);
var CoreUrl = new coreUrl({"transCode":"B000112","indexNo":gro+1,"pageSize":$scope.paginationConf.itemsPerPage});
CoreUrl.$save(function(objc){
$scope.UserList = objc.rows;
page = objc.totalCount;
$scope.paginationConf.totalItems = page;
});
}
};

perPageOptions控制默认每页显示条数

（编辑：李大同）

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