asp.net pager分页控件实现代码

这段代码是 pager分页控件的核心功能了

代码如下

复制代码

$.fn.extend({ JPager: function (cfg, pageIndex, pageSize) {
if (cfg && pageIndex > 0 && pageSize>0) {
var token = "#" + this.attr("id");
this.empty();
var pageFirst = function () {
$(token).JPager(cfg, 1, pageSize);
};
var pagePre = function () {
$(token).JPager(cfg, pageIndex - 1, pageSize);
};
var pageLast = function () {
$(token).JPager(cfg, parseInt($("#_tot").val()), pageSize);
};
var pageNext = function () {
$(token).JPager(cfg, pageIndex + 1, pageSize);
};
var pageNumber = function () {
$(token).JPager(cfg, parseInt($(this).text()), pageSize);
};
var pageGo = function () {
var index = parseInt($("#_pos").val());
var total = parseInt($("#_tot").val());
if (index) {
if (index > total) {
$(token).JPager(cfg, total, pageSize);
}
else if (index < 1) {
$(token).JPager(cfg, 1, pageSize);
}
else {
$(token).JPager(cfg, index, pageSize);
}
}
};
var checkGoNumber = function () {
if (!Number(this.value)) {
this.value = "";
}
else {
this.value = Number(this.value);
}
};
var initCustomer = function (recordCount) {
if (cfg.customer) {
if (cfg.customer.template) {
var t = cfg.customer.template;
t = t.replace(/%total%/gi, Math.ceil(recordCount / pageSize)).replace(/%current%/gi, pageIndex).replace(/%recordCount%/gi, recordCount).replace(/%pageSize%/gi, pageSize);
if (cfg.customer.position == "right") {
$("#_right").after(t);
}
else {
$("#_left").before(t);
}
}
}
};
var changeState = function (total) {
if (pageIndex == 1) {
$("#_first").attr("class", "unable");
$("#_pre").attr("class", "unable");
}
else {
$("#_first").bind("click", pageFirst).attr("class", "number");
$("#_pre").bind("click", pagePre).attr("class", "number");
}
if (pageIndex == total) {
$("#_last").attr("class", "unable");
$("#_next").attr("class", "unable");
}
else {
$("#_last").bind("click", pageLast).attr("class", "number");
$("#_next").bind("click", pageNext).attr("class", "number");
}
};
var initNumber = function (total, count, current) {
if (total > 0 && count > 0) {
if (current < 1) {
current = 1;
}
if (current > total) {
current = total;
}
var endIndex = total;
var startIndex = 1;
var temp = current + Math.floor(count / 2);
if (temp < total) {
if (temp < count) {
endIndex = count;
}
else {
startIndex = temp - count + 1;
endIndex = temp;
}
}
else {
if (total > count) {
startIndex = total - count + 1;
}
}
$("#_number").empty();
for (var i = startIndex; i <= endIndex; i++) {
var html = $("<span></span>").text(i).bind("click", pageNumber);
if (i == current) {
$("#_number").append(html.attr("class", "selected"));
}
else {
$("#_number").append(html.attr("class", "number"));
}
}
}
};
var initPager = function (data) {
if ($.isArray(data.SearchResult) && data.RecordCount > 0) {
$(token).append("<span id='_left'><span id='_first' class='spcial'>首页</span> <span id='_pre' class='spcial'>上一页</span></span> <span id='_number'></span><span id='_go'><input id='_pos' type='text'/><input id='_to' type='button' value='GO'/></span> <span id='_right'><span id='_next' class='spcial'>下一页</span> <span id='_last' class='spcial'>末页</span></span><input id='_tot' type='hidden'/>");
var total = Math.ceil(data.RecordCount / pageSize);
$("#_tot").val(total);
$("#_pos").bind("blur", checkGoNumber);
$("#_to").bind("click", pageGo);
changeState(total);
if (cfg.showNumber && cfg.count > 0) {
initNumber(total, cfg.count, pageIndex);
}
initCustomer(data.RecordCount);
}
};
if (cfg.action) {
if (cfg.action.url && cfg.action.data) {
var d = cfg.action.data.substr(0, cfg.action.data.lastIndexOf("}")) + ',"pageIndex":' + pageIndex + ',"pageSize":' + pageSize + "}";
if (cfg.action.callback && $.isFunction(cfg.action.callback)) {
$.ajax({
type: "post",
url: cfg.action.url,
dataType: "json",
contentType: "text/json",
data: d,
success: function (data) {
initPager(data.d);
cfg.action.callback(data.d);
}
});
}
else {
$.ajax({
type: "post",
url: cfg.action.url,
dataType: "json",
contentType: "text/json",
data: d,
success: function (data) {
initPager(data.d);
}
});
}
}
}
}
}
});

下面是个简单的pager的分页css样式

代码如下	复制代码
#_pos { width: 40px; } .unable { color: #BCC0BB; } .number { margin: 2px; color:#0000FF; text-decoration:underline; } .selected { margin: 2px; color: #FF0000; font-weight: bold; }

下而这调用pager分页的一个html文件

代码如下

复制代码

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>分页控件示例</title>
<link href="CSS/JPager.css" rel="stylesheet" type="text/css" />
<script src="JS/jquery.min.js" type="text/javascript"></script>
<script src="JExtension/JPager.js" type="text/javascript"></script>
<script type="text/javascript">
$(function () {
$("#pager").JPager({ customer:{template:"%cuRRent%"},count: 10, action: { url: "Service/JService.svc/GetPersons", data: '{"name":"zhoulq"}'}, showNumber: true },1,5);
});
</script>
</head>
<body>
<table>
</table>
<div id="pager"></div>
</body>
</html>

scf文件，

代码如下

复制代码

using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.Serialization;
using System.ServiceModel;
using System.ServiceModel.Activation;
using System.ServiceModel.Web;
namespace JPlugin
{
[ServiceContract]
[AspNetCompatibilityRequirements(RequirementsMode = AspNetCompatibilityRequirementsMode.Allowed)]
public class JService
{
[OperationContract]
[WebInvoke]
public PageObject<Person> GetPersons(string name,int pageIndex,int paseSize)
{
return new PageObject<Person>(){RecordCount = 23,SearchResult = new List<Person>(){new Person(){Name="zhpulq",Age = 28},new Person(){Name = "zhouxy",Age = 24}}};
}
}
public class PageObject<T>
{
public int RecordCount { get; set; }
public List<T> SearchResult { get; set; }
}
}

时间： 2024-10-26 21:27:51

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