JS 分页实现

var pagesize = 5;

var pageindex = 1;

var pagetype;

var parms;

var nextSize = 1;

var target;

function AjaxGetData(_pagesize, _pageindex, _type, _parms, _target) {

pagesize = _pagesize;

pageindex = _pageindex;

pagetype = _type;

parms = _parms;

target = _target;

$.ajax({

url: "/pro/casxIndex.ashx?PageType=" + pagetype + "&time=" + Date.parse(new Date()) + "",

type: "post",

data: "PageSize=" + pagesize + "&PageIndex=" + pageindex + parms,

dataType: "json",

success: function (data) {

var targetHtml = "";

var targetEle = "";

if (target) {

targetEle = $(target)

};

if (data.result == 1) {

var returnJson = $.parseJSON(data.returnval);

targetHtml += MatchCss(pagetype, returnJson);

}

if (targetHtml != "undefined") {

if (data.result == "2") {

targetEle.html(data.returnval);

}

else {

targetEle.html(targetHtml);

}

}

}

})

}

function MatchCss(pagetype, returnJson) {

switch (pagetype.toLocaleLowerCase()) {

case "caseindex":

return caseIndexList("", returnJson);

break

}

}

function caseIndexList(url, returnJson) {

var targetHtml = "";

targetHtml += " <ul class=\"wms-caseList\"> ";

for (var i = 0; i < returnJson.length; i++) {

targetHtml += "<li>";

targetHtml += "<div><a href=" + returnJson[i].rootlist + " title=\"\"><img src=" + returnJson[i].ImageURL + " alt=" + returnJson[i].Title + " width=\"280\" height=\"156\"></a></div>";

targetHtml += "<dl>";

targetHtml += "<dt>";

targetHtml += "<a href=" + returnJson[i].rootlist + ">" + returnJson[i].Title + "</a>";

targetHtml += "<span style=\"font-size:xx-small;float:right;\">" + returnJson[i].AddTime + "</span>"

targetHtml += "</dt>";

targetHtml += "<dd>" + returnJson[i].Remark + "</dd>";

targetHtml += "</dl>";

targetHtml += "</li>"

}

targetHtml += "</ul>";

targetHtml += caseIndexPager(returnJson);

return targetHtml

}

function caseIndexPager(returnJson) {

var targetHtml = "";

if (parseInt(returnJson[0].count) > pagesize) {

targetHtml += "<div class=\"page\" >";

targetHtml += "<span style='display:none;'>共有记录" + returnJson[0].count + ";共<span id='count'>" + (returnJson[0].count % pagesize == 0 ? parseInt(returnJson[0].count / pagesize) : parseInt(returnJson[0].count / pagesize + 1)) + "</span>页</span>";

targetHtml += "<span class=\"sp11\"><a href='javascript:void' onclick='GoToFirstPage()' id='aFirstPage' title='首页' >首页</a></span>\n";

targetHtml += "<span class=\"sp12\"><a href='javascript:void' onclick='GoToPrePage()' id='aPrePage' title='上一页'>上一页</a></span>\n";

if (pagesize < parseInt(returnJson[0].count)) {

targetHtml += "<span class='num_2'>\n";

for (var i = 1; i < 6; i++) {

if (((nextSize) * 5 - 5 + i) <= (parseInt(returnJson[0].count) % pagesize == 0 ? parseInt(returnJson[0].count / pagesize) : parseInt(returnJson[0].count / pagesize + 1))) {

if ((nextSize) * 5 - 5 + i == pageindex) {

targetHtml += "<a style='color:red;' title='正在查询" + (((nextSize) * 5 - 5 + i - 1) * pagesize + 1) + "&nbsp;to&nbsp;" + ((((nextSize) * 5 - 5 + i) * pagesize) > returnJson[0].count ? returnJson[0].count : (((nextSize) * 5 - 5 + i) * pagesize)) + "&nbsp;/&nbsp;" + returnJson[0].count + "' href='javascript:void' onclick='GoToChoosePage(this)' id='aChoosePage" + i + "' title=''>" + ((nextSize) * 5 - 5 + i) + "&nbsp;&nbsp;</a>"

} else {

targetHtml += "<a title='正在查询" + (((nextSize) * 5 - 5 + i - 1) * pagesize + 1) + "&nbsp;to&nbsp;" + ((((nextSize) * 5 - 5 + i) * pagesize) > returnJson[0].count ? returnJson[0].count : (((nextSize) * 5 - 5 + i) * pagesize)) + "&nbsp;/&nbsp;" + returnJson[0].count + "' href='javascript:void' onclick='GoToChoosePage(this)' id='aChoosePage" + i + "' title=''>" + ((nextSize) * 5 - 5 + i) + "&nbsp;&nbsp;</a>"

}

} else {

break

}

}

targetHtml += "</span>\n"

} else {

targetHtml += "<a style='color:red;' title='正在查询" + ((pageindex - 1) * pagesize + 1) + "&nbsp;to&nbsp;" + returnJson[0].count + "&nbsp;/&nbsp;" + returnJson[0].count + "' href='javascript:void' onclick='GoToChoosePage(this)' id='aChoosePage' title=''>" + pageindex + "&nbsp;</a>"

}

targetHtml += "<span class=\"sp13\"><a href='javascript:void' onclick='GoToNextPage()' id='aNextPage'title='下一页'>下一页</a></span>\n";

targetHtml += "<span class=\"sp14\"><a href='javascript:void' onclick='GoToEndPage()' id='aEndPage' title='末页' >末页</a></span>\n";

targetHtml += "</div>"

}

return targetHtml

}

function GoToFirstPage() {

pageindex = 1;

nextSize = parseInt(pageindex / 5 + 1);

AjaxGetData(pagesize, pageindex, pagetype, parms, target)

}

function GoToPrePage() {

if (pageindex > 1) {

pageindex -= 1;

nextSize = parseInt((pageindex - 1) / 5 + 1);

pageindex = pageindex > 0 ? pageindex : 1;

AjaxGetData(pagesize, pageindex, pagetype, parms, target)

}

}

function GoToNextPage() {

if (pageindex < parseInt($("#count").text())) {

pageindex += 1;

nextSize = parseInt((pageindex - 1) / 5 + 1)

}

AjaxGetData(pagesize, pageindex, pagetype, parms, target)

}

function GoToEndPage() {

pageindex = parseInt($("#count").text());

nextSize = parseInt((pageindex - 1) / 5 + 1);

AjaxGetData(pagesize, pageindex, pagetype, parms, target)

}

function GoToChoosePage(mm) {

pageindex = parseInt(mm.innerHTML);

nextSize = parseInt((pageindex - 1) / 5 + 1);

AjaxGetData(pagesize, pageindex, pagetype, parms, target)

}

Date.prototype.format = function (format) {

var o = {

"M+": this.getMonth() + 1,

"d+": this.getDate(),

"h+": this.getHours(),

"m+": this.getMinutes(),

"s+": this.getSeconds(),

"q+": Math.floor((this.getMonth() + 3) / 3),

"S": this.getMilliseconds()

}

if (/(y+)/.test(format)) format = format.replace(RegExp.$1, (this.getFullYear() + "").substr(4 - RegExp.$1.length));

for (var k in o) if (new RegExp("(" + k + ")").test(format)) format = format.replace(RegExp.$1, RegExp.$1.length == 1 ? o[k] : ("00" + o[k]).substr(("" + o[k]).length));

return format

}