jquery+json实现的搜索加分页效果_jquery



1.Web 里面有三个目录:
　　1.1 content.htm　　　　//这个文件直接运行就行
　　1.2 js　　　　　　　　　 //这里面有用到的几个js 文件，其中 以db 开头的就是数据源(就是json 串)
　　1.3 css　　　　　　　　 //css 就不用说了
2. 直接运行 content.htm 就可以直接打开查看分页和搜索效果了
3. 原理很简单，只是用了javascript 的index 函数
核心代码:
代码如下:
/*
author: liulf
function:
var __db_cpcj=vCpcj;
var __db_cp=vCp;
var vCp={"cppage":[
{"cpdh":"A01000101","page":"1","ca":"1309-36-0","mc":"硫铁矿","ename":"Pyrite","bm":"黄铁矿"},
{"cpdh":"A01000201","page":"1","ca":"1309-36-0","mc":"硫精砂","ename":"Pyrite concentrate;Sulfur concentrate","bm":""},
{"cpdh":"A01000202","page":"1","ca":"1309-36-0","mc":"硫精矿粉","ename":"Powdered pyrite concentrate;Pyrites concentrate,powder;Sulfur concentrate,powder","bm":"硫精矿"},
{"cpdh":"A02000101","page":"1","ca":"","mc":"磷矿石","ename":"Phosphorus ore","bm":""},
{"cpdh":"A02000111","page":"2","ca":"","mc":"磷矿砂","ename":"Phosphorite grit","bm":""},
{"cpdh":"A02000201","page":"2","ca":"","mc":"磷矿粉","ename":"Phosphate rock powder","bm":""},
{"cpdh":"A03000101","page":"2","ca":"12447-04-0","mc":"硼矿石","ename":"Ascharite;Boric ore","bm":"硼镁矿"},
{"cpdh":"A04000101","page":"2","ca":"","mc":"钾长石","ename":"Potash feldspar;Potassium feldspars","bm":""},
{"cpdh":"A04000201","page":"2","ca":"12003-63-3","mc":"长石粉","ename":"Feldspar powder","bm":""},
{"cpdh":"A04000301","page":"2","ca":"","mc":"光卤石","ename":"Carnallite","bm":""}
]}
var vCpcj={"cjpage":[{"cjdh":"110634","cm":"拜耳光翌板材有限责任公司","pagen":"1701"},
{"cjdh":"110052","cm":"北京艾瑞斯水墨有限公司","pagen":"1701"},
{"cjdh":"110408","cm":"北京艾斯克医药技术开发有限公司","pagen":"1701"},
{"cjdh":"110010","cm":"北京爱德泰普膜制品厂","pagen":"1701"},
{"cjdh":"110165","cm":"北京安实创业科技发展有限公司","pagen":"1701"},
{"cjdh":"110134","cm":"北京安顺达装饰材料有限公司","pagen":"1701"},
{"cjdh":"110291","cm":"北京奥博星生物技术责任有限公司","pagen":"1701"},
{"cjdh":"110191","cm":"北京奥得赛化学有限公司","pagen":"1701"},
{"cjdh":"110454","cm":"北京奥克兰防水工程有限责任公司","pagen":"1701"},
{"cjdh":"110520","cm":"北京奥森特种润滑材料厂","pagen":"1701"}]}
奥森特
*/
function ObjSearch()
{
this.kw = '';
this.option = '';
this.displayId = '';
this.search = function()
{
// if(this.kw=='' || this.kw==null || this.kw.length<3)
// {
// alert('输入长度不能为小于3！');
// return;
// }
// switch(this.option)
// {
// //企业
// case '0':
// this.searchCpcj();
// break;
// //产品
// case '1':
// this.searchCp();
// break;
// }
OutputHtml(this);
}
this.searchCpcj= function()
{
var jsonObj = new Array();
var kw = this.kw;
// $('#'+this.displayId).html('');
// var displayId = this.displayId;
$(vCpcj.cjpage).each(function(index,content){
// var cjdhy = content.cjdh;
// var cm = content.cm;
// var pagen = content.pagen;
if(content.cm.indexOf(kw)!=-1)
{
// $('#'+displayId).append(""+cm+" | "+pagen+"
");
jsonObj.push({"cm":content.cm,"pagen":content.pagen});
}
});
return jsonObj;
}
this.searchCp = function()
{
var jsonObj = new Array();
var kw = this.kw;
// $('#'+this.displayId).html('');
// var displayId = this.displayId;
$.each(vCp.cppage,function(index,content){
// var cpdh = content.cpdh;
// var page = content.page;
// var ca = content.ca;
// var mc = content.mc;
// var ename = content.ename;
// var bm = content.bm;
if(content.mc.indexOf(kw)!=-1)
{
// $('#'+displayId).append(""+mc+" | "+page+"
");
jsonObj.push({"mc":content.mc,"page":content.page});
}
});
return jsonObj;
}
}

function __$$(id){return document.getElementById(id);} //定义获取ID的方法
function GotoPage(num){ //跳转页
Page = num;
OutputHtml(os);
}
var PageSize = 20; //每页个数
var Page = 1; //当前页码
function OutputHtml(){
//选择的企业还是产品
var vobj = arguments[0];
var vtmp1=vobj.option;
var siteList = '';
switch(vtmp1)
{
//企业
case '0':
siteList = os.searchCpcj();
var obj = eval(siteList); //获取JSON
//var sites = obj.cjpage;
var sites = obj;
break;
//产品
case '1':
siteList = os.searchCp();
var obj = eval(siteList); //获取JSON
// var sites = obj.cppage;
var sites = obj;
break;
}
//获取分页总数
var Pages = Math.floor((sites.length - 1) / PageSize) + 1;

if(Page < 1)Page = 1; //如果当前页码小于1
if(Page > Pages)Page = Pages; //如果当前页码大于总数
var Temp = "";

var BeginNO = (Page - 1) * PageSize + 1; //开始编号
var EndNO = Page * PageSize; //结束编号
if(EndNO > sites.length) EndNO = sites.length;
if(EndNO == 0) BeginNO = 0;

if(!(Page <= Pages)) Page = Pages;
__$$("total").innerHTML = "总页数:" + sites.length + " 显示:" + BeginNO + "-" + EndNO + "";

//分页
if(Page > 1 && Page !== 1){Temp ="<<第一页 上一页 "}else{Temp = "<<第一页 上一页 "};

//完美的翻页列表
var PageFrontSum = 3; //当页前显示个数
var PageBackSum = 3; //当页后显示个数

var PageFront = PageFrontSum - (Page - 1);
var PageBack = PageBackSum - (Pages - Page);
if(PageFront > 0 && PageBack < 0)PageBackSum += PageFront; //前少后多，前剩余空位给后
if(PageBack > 0 && PageFront < 0)PageFrontSum += PageBack; //后少前多，后剩余空位给前
var PageFrontBegin = Page - PageFrontSum;
if(PageFrontBegin < 1)PageFrontBegin = 1;
var PageFrontEnd = Page + PageBackSum;
if(PageFrontEnd > Pages)PageFrontEnd = Pages;

if(PageFrontBegin != 1) Temp += '..';
for(var i = PageFrontBegin;i < Page;i ++){
Temp += " " + i + "";
}
Temp += " " + Page + "";
for(var i = Page + 1;i <= PageFrontEnd;i ++){
Temp += " " + i + "";
}
if(PageFrontEnd != Pages) Temp += " ..";

if(Page != Pages){Temp += " 下一页 最末页>>"}else{Temp += " 下一页 最末页>>"}

__$$("pagelist").innerHTML = Temp;

//输出数据

if(EndNO == 0){ //如果为空
__$$("pagelist").innerHTML='';
__$$("content").innerHTML = "

没有数据

";
return;
}
var html = "";

for(var i = BeginNO - 1;i < EndNO;i ++){
switch(vtmp1)
{
//企业
case "0":
html += "";
html += "

" +sites[i].cm+ " | "+sites[i].pagen +"

";
break;
//产品
case "1":
// if(sites[i].mc.indexOf(vobj.kw)==-1) continue;
html += "";
html += "

" +sites[i].mc+ " | "+sites[i].page +"

";
break;
}
}
__$$("content").innerHTML = html;
clickShow(); //调用鼠标点击事件

//键盘左右键翻页
document.onkeydown=function(e){
var theEvent = window.event || e;
var code = theEvent.keyCode || theEvent.which;
if(code==37){
if(Page > 1 && Page !== 1){
GotoPage(Page - 1);

}
}
if(code==39){
if(Page != Pages){
GotoPage(Page + 1);
}
}
}

//鼠标滚轮翻页
function handle(delta){
if (delta > 0){
if(Page > 1 && Page !== 1){
GotoPage(Page - 1);
}
}
else{
if(Page != Pages){
GotoPage(Page + 1);
}
}
}
function wheel(event){
var delta = 0;
if (!event) /* For IE. */
event = window.event;
if (event.wheelDelta) { /* IE或者Opera. */
delta = event.wheelDelta / 120;
/** 在Opera9中，事件处理不同于IE
*/
if (window.opera)
delta = -delta;
} else if (event.detail) { /** 兼容Mozilla. */
/** In Mozilla, sign of delta is different than in IE.
* Also, delta is multiple of 3.
*/
delta = -event.detail / 3;
}
/** 如果 增量不等于0则触发
* 主要功能为测试滚轮向上滚或者是向下
*/
if (delta)
handle(delta);
}
/** 初始化 */
if (window.addEventListener)
/** Mozilla的基于DOM的滚轮事件 **/
window.addEventListener("DOMMouseScroll", wheel, false);
/** IE/Opera. */
window.onmousewheel = document.onmousewheel = wheel;

}
//获取链接地址和网站名称
function showLink(source){
var siteUrl = __$$("siteurl");
var siteName = __$$("sitename");
var description = __$$("description");

if(source.getAttribute("rel") == "bookmark"){
var url = source.getAttribute("href");
var title = source.getAttribute("title");
siteUrl.innerHTML = ""+ url +"";
siteName.innerHTML = title;
}

}
//鼠标点击事件
function clickShow(){
var links = __$$("content").getElementsByTagName("a");
for(var i=0; i var url = links[i].getAttribute("href");
var title = links[i].getAttribute("title");
links[i].onclick = function(){
// showLink(this);
return false;
}
}
}
//-->

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