一个翻页的JS代码(Javascript)-飞搜信息网

支持 ie 和 mf ，大家可以自行添加喜欢的样式，也可修改默认样式表
就为了方便，呵呵

说明：
自动监测当前页面地址，并分析url参数(?后的参数)，获取page变量(如有多个以最后一个为准)
pageCount: 定义总页数(必要)
argName: 定义参数名(可选,缺省为page)

<!doctype html public "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<head>

<title>www.flyso.cn--JavaScript: showPages v1.0</title>

<!--

showPages v1.1

=================================

Infomation

----------------------

Web : http://www.flyso.cn

----------------------

var pg = new showPages('pg');

pg.pageCount = 12; //定义总页数(必要)

pg.argName = 'p'; //定义参数名(可选,缺省为page)

pg.printHtml(); //显示页数

Supported in Internet Explorer, Mozilla Firefox

function showPages(name) { //初始化属性

this.name = name; //对象名称

this.page = 1; //当前页数

this.pageCount = 1; //总页数

this.argName = 'page'; //参数名

this.showTimes = 1; //打印次数

}

showPages.prototype.getPage = function(){ //丛url获得当前页数,如果变量重复只获取最后一个

var args = location.search;

var reg = new RegExp('[\?&]?' + this.argName + '=([^&]*)[&$]?', 'gi');

var chk = args.match(reg);

this.page = RegExp.$1;

}

showPages.prototype.checkPages = function(){ //进行当前页数和总页数的验证

if (isNaN(parseInt(this.page))) this.page = 1;

if (isNaN(parseInt(this.pageCount))) this.pageCount = 1;

if (this.page < 1) this.page = 1;

if (this.pageCount < 1) this.pageCount = 1;

if (this.page > this.pageCount) this.page = this.pageCount;

this.page = parseInt(this.page);

this.pageCount = parseInt(this.pageCount);

}

showPages.prototype.createHtml = function(mode){ //生成html代码

var strHtml = '', prevPage = this.page - 1, nextPage = this.page + 1;

if (mode == '' || typeof(mode) == 'undefined') mode = 0;

switch (mode) {

case 0 : //模式1 (页数,首页,前页,后页,尾页)

strHtml += 'Pages: ' + this.page + ' / ' + this.pageCount + '';

strHtml += '';

if (prevPage < 1) {

strHtml += '?';

strHtml += '?';

} else {

strHtml += '<a href="javascript:' + this.name + '.toPage(1);">?</a>';

strHtml += '<a href="javascript:' + this.name + '.toPage(' + prevPage + ');">?</a>';

}

for (var i = 1; i <= this.pageCount; i++) {

if (i > 0) {

if (i == this.page) {

strHtml += '[' + i + ']';

} else {

strHtml += '<a href="javascript:' + this.name + '.toPage(' + i + ');">[' + i + ']</a>';

}

if (nextPage > this.pageCount) {

strHtml += '?';

strHtml += '?';

} else {

strHtml += '<a href="javascript:' + this.name + '.toPage(' + nextPage + ');">?</a>';

strHtml += '<a href="javascript:' + this.name + '.toPage(' + this.pageCount + ');">?</a>';

}

strHtml += ' ';

break;

case 1 : //模式1 (10页缩略,首页,前页,后页,尾页)

strHtml += 'Pages: ' + this.page + ' / ' + this.pageCount + '';

strHtml += '';

if (prevPage < 1) {

strHtml += '?';

strHtml += '?';

} else {

strHtml += '<a href="javascript:' + this.name + '.toPage(1);">?</a>';

strHtml += '<a href="javascript:' + this.name + '.toPage(' + prevPage + ');">?</a>';

}

if (this.page % 10 ==0) {

var startPage = this.page - 9;

} else {

var startPage = this.page - this.page % 10 + 1;

}

if (startPage > 10) strHtml += '<a href="javascript:' + this.name + '.toPage(' + (startPage - 1) + ');">...</a>';

for (var i = startPage; i < startPage + 10; i++) {

if (i > this.pageCount) break;

if (i == this.page) {

strHtml += '[' + i + ']';

} else {

strHtml += '<a href="javascript:' + this.name + '.toPage(' + i + ');">[' + i + ']</a>';

}

if (this.pageCount >= startPage + 10) strHtml += '<a href="javascript:' + this.name + '.toPage(' + (startPage + 10) + ');">...</a>';

if (nextPage > this.pageCount) {

strHtml += '?';

strHtml += '?';

} else {

strHtml += '<a href="javascript:' + this.name + '.toPage(' + nextPage + ');">?</a>';

strHtml += '<a href="javascript:' + this.name + '.toPage(' + this.pageCount + ');">?</a>';

}

strHtml += ' ';

break;

case 2 : //模式2 (前后缩略,页数,首页,前页,后页,尾页)

strHtml += 'Pages: ' + this.page + ' / ' + this.pageCount + '';

strHtml += '';

if (prevPage < 1) {

strHtml += '?';

strHtml += '?';

} else {

strHtml += '<a href="javascript:' + this.name + '.toPage(1);">?</a>';

strHtml += '<a href="javascript:' + this.name + '.toPage(' + prevPage + ');">?</a>';

}

if (this.page != 1) strHtml += '<a href="javascript:' + this.name + '.toPage(1);">[1]</a>';

if (this.page >= 5) strHtml += '...';

if (this.pageCount > this.page + 2) {

var endPage = this.page + 2;

} else {

var endPage = this.pageCount;

}

for (var i = this.page - 2; i <= endPage; i++) {

if (i > 0) {

if (i == this.page) {

strHtml += '[' + i + ']';

} else {

if (i != 1 && i != this.pageCount) {

strHtml += '<a href="javascript:' + this.name + '.toPage(' + i + ');">[' + i + ']</a>';

}

if (this.page + 3 < this.pageCount) strHtml += '...';

if (this.page != this.pageCount) strHtml += '<a href="javascript:' + this.name + '.toPage(' + this.pageCount + ');">[' + this.pageCount + ']</a>';

if (nextPage > this.pageCount) {

strHtml += '?';

strHtml += '?';

} else {

strHtml += '<a href="javascript:' + this.name + '.toPage(' + nextPage + ');">?</a>';

strHtml += '<a href="javascript:' + this.name + '.toPage(' + this.pageCount + ');">?</a>';

}

strHtml += ' ';

break;

case 3 : //模式3 (箭头样式,首页,前页,后页,尾页) (only IE)

strHtml += 'Pages: ' + this.page + ' / ' + this.pageCount + '';

strHtml += '';

if (prevPage < 1) {

strHtml += '9';

strHtml += '7';

} else {

strHtml += '<a href="javascript:' + this.name + '.toPage(1);">9</a>';

strHtml += '<a href="javascript:' + this.name + '.toPage(' + prevPage + ');">7</a>';

}

if (nextPage > this.pageCount) {

strHtml += '8';

strHtml += ':';

} else {

strHtml += '<a href="javascript:' + this.name + '.toPage(' + nextPage + ');">8</a>';

strHtml += '<a href="javascript:' + this.name + '.toPage(' + this.pageCount + ');">:</a>';

}

strHtml += ' ';

break;

case 4 : //模式4 (下拉框)

if (this.pageCount < 1) {

strHtml += '<select name="toPage" disabled>';

strHtml += '<option value="0">No Pages</option>';

} else {

var chkSelect;

strHtml += '<select name="toPage" onchange="' + this.name + '.toPage(this);">';

for (var i = 1; i <= this.pageCount; i++) {

if (this.page == i) chkSelect=' selected="selected"';

else chkSelect='';

strHtml += '<option value="' + i + '"' + chkSelect + '>Pages: ' + i + ' / ' + this.pageCount + '</option>';

}

strHtml += '</select>';

break;

case 5 : //模式5 (输入框)

strHtml += '';

if (this.pageCount < 1) {

strHtml += '<input type="text" name="toPage" value="No Pages" class="itext" disabled="disabled">';

strHtml += '<input type="button" name="go" value="GO" class="ibutton" disabled="disabled"></option>';

} else {

strHtml += '<input type="text" value="Input Page:" class="ititle" readonly="readonly">';

strHtml += '<input type="text" id="pageInput' + this.showTimes + '" value="' + this.page + '" class="itext" title="Input page" onkeypress="return ' + this.name + '.formatInputPage(event);" onfocus="this.select()">';

strHtml += '<input type="text" value=" / ' + this.pageCount + '" class="icount" readonly="readonly">';

strHtml += '<input type="button" name="go" value="GO" class="ibutton" onclick="' + this.name + '.toPage(document.getElementById(\'pageInput' + this.showTimes + '\').value);"></option>';

}

strHtml += '';

break;

default :

strHtml = 'Javascript showPage Error: not find mode ' + mode;

break;

}

return strHtml;

}

showPages.prototype.createUrl = function (page) { //生成页面跳转url

if (isNaN(parseInt(page))) page = 1;

if (page < 1) page = 1;

if (page > this.pageCount) page = this.pageCount;

var url = location.protocol + '//' + location.host + location.pathname;

var args = location.search;

var reg = new RegExp('([\?&]?)' + this.argName + '=[^&]*[&$]?', 'gi');

args = args.replace(reg,'$1');

if (args == '' || args == null) {

args += '?' + this.argName + '=' + page;

} else if (args.substr(args.length - 1,1) == '?' || args.substr(args.length - 1,1) == '&') {

args += this.argName + '=' + page;

} else {

args += '&' + this.argName + '=' + page;

}

return url + args;

}

showPages.prototype.toPage = function(page){ //页面跳转

var turnTo = 1;

if (typeof(page) == 'object') {

turnTo = page.options[page.selectedIndex].value;

} else {

turnTo = page;

}

self.location.href = this.createUrl(turnTo);

}

showPages.prototype.printHtml = function(mode){ //显示html代码

this.getPage();

this.checkPages();

this.showTimes += 1;

document.write('<div id="pages_' + this.name + '_' + this.showTimes + '" class="pages"></div>');

document.getElementById('pages_' + this.name + '_' + this.showTimes).innerHTML = this.createHtml(mode);

}

showPages.prototype.formatInputPage = function(e){ //限定输入页数格式

var ie = navigator.appName=="Microsoft Internet Explorer"?true:false;

if(!ie) var key = e.which;

else var key = event.keyCode;

if (key == 8 || key == 46 || (key >= 48 && key <= 57)) return true;

return false;

}

//-->

</script>

<style>

/* Pages Main Tyle */

.pages {

color: #000000;

cursor: default;

font-size: 10px;

font-family: Tahoma, Verdana;

padding: 3px 0px 3px 0px;

}

.pages .count, .pages .number, .pages .arrow {

color: #000000;

font-size: 10px;

background-color: #F7F7F7;

border: 1px solid #CCCCCC;

}

/* Page and PageCount Style */

.pages .count {

font-weight: bold;

border-right: none;

padding: 2px 10px 1px 10px;

}

/* Mode 0,1,2 Style (Number) */

.pages .number {

font-weight: normal;

padding: 2px 10px 1px 10px;

}

.pages .number a, .pages .number span {

font-size: 10px;

}

.pages .number span {

color: #999999;

margin: 0px 3px 0px 3px;

}

.pages .number a {

color: #000000;

text-decoration: none;

}

.pages .number a:hover {

color: #0000ff;

}

/* Mode 3 Style (Arrow) */

.pages .arrow {

font-weight: normal;

padding: 0px 5px 0px 5px;

}

.pages .arrow a, .pages .arrow span {

font-size: 10px;

font-family: Webdings;

}

.pages .arrow span {

color: #999999;

margin: 0px 5px 0px 5px;

}

.pages .arrow a {

color: #000000;

text-decoration: none;

}

.pages .arrow a:hover {

color: #0000ff;

}

/* Mode 4 Style (Select) */

.pages select, .pages input {

color: #000000;

font-size: 10px;

font-family: Tahoma, Verdana;

}

/* Mode 5 Style (Input) */

.pages .input input.ititle, .pages .input input.itext, .pages .input input.icount {

color: #666666;

font-weight: bold;

background-color: #F7F7F7;

border: 1px solid #CCCCCC;

}

.pages .input input.ititle {

width: 70px;

text-align: right;

border-right: none;

}

.pages .input input.itext {

width: 25px;

color: #000000;

text-align: right;

border-left: none;

border-right: none;

}

.pages .input input.icount {

width: 35px;

text-align: left;

border-left: none;

}

.pages .input input.ibutton {

height: 17px;

color: #FFFFFF;

font-weight: bold;

font-family: Verdana;

background-color: #999999;

border: 1px solid #666666;

padding: 0px 0px 2px 1px;

margin-left: 2px;

cursor: hand;

}

/* body */

body {

font-size: 12px;

}

</style>

</head>

<body>

<!--

var pg = new showPages('pg');

pg.pageCount =12; // 定义总页数(必要)

//pg.argName = 'p'; // 定义参数名(可选,默认为page)

document.write(' Show Times: ' + pg.showTimes + ', Mood Default');

pg.printHtml();

document.write(' Show Times: ' + pg.showTimes + ', Mood 0');

pg.printHtml(0);

document.write(' Show Times: ' + pg.showTimes + ', Mood 1');

pg.printHtml(1);

document.write(' Show Times: ' + pg.showTimes + ', Mood 2');

pg.printHtml(2);

document.write(' Show Times: ' + pg.showTimes + ', Mood 3 (only IE)');

pg.printHtml(3);

document.write(' Show Times: ' + pg.showTimes + ', Mood 4');

pg.printHtml(4);

document.write(' Show Times: ' + pg.showTimes + ', Mood 5');

pg.printHtml(5);

//-->

</script>

</body>

</html>