showpage.js
上传用户:szhf331
上传日期:2022-06-22
资源大小:1032k
文件大小:5k
- function showPages(name,totalput,MaxPerPage) {
- this.name = name;
- this.page = 1;
- this.pageCount = 1;
- this.argName = 'page';
- this.showTimes = 1;
- this.totalput = 1;
- this.MaxPerPage = 1;
- }
- showPages.prototype.getPage = function(){
- var args = location.search;
- var reg = new RegExp('[?&]?' + this.argName + '=([^&]*)[&$]?', 'gi');
- var chk = args.match(reg);
- this.page = RegExp.$1;
- }
- showPages.prototype.checkPages = function(){
- 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){
- var strHtml = '', prevPage = this.page - 1, nextPage = this.page + 1,nextbigPage = this.page + 5,prevbigPage = this.page - 5;
- if (mode == '' || typeof(mode) == 'undefined') mode = 0;
- switch (mode) {
- case 2 :
- strHtml += '<span class="pinfos">共 ' + this.totalput + ' 条记录 ';
- strHtml += '' + this.MaxPerPage + ' 条记录/页</span>';
- strHtml += '<span class="number">';
- strHtml += '<span class="nones">页次: ' + this.page + ' / ' + this.pageCount + '</span>';
- if (prevPage < 1) {
- strHtml += '<span title="第一页" class="nones">«</span>';
- strHtml += '<span title="上五页" class="nones">‹</span>';
- } else {
- strHtml += '<span title="第一页"><a href="javascript:' + this.name + '.toPage(1);">«</a></span>';
- strHtml += '<span title="上五页"><a href="javascript:' + this.name + '.toPage(' + prevbigPage + ');">‹</a></span>';
- }
- //if (this.page != 1) strHtml += '<span title="第 1 页"><a href="javascript:' + this.name + '.toPage(1);">1</a></span>';
- //if (this.page >= 5) strHtml += '<span class="lines">...</span>';
- 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 += '<span title="当前第 ' + i + ' 页" class="trues">' + i + '</span>';
- } else {
- if ( i != this.pageCount) {
- strHtml += '<span title="第 ' + i + ' 页"><a href="javascript:' + this.name + '.toPage(' + i + ');">' + i + '</a></span>';
- }
- }
- }
- }
- //if (this.page + 5 < this.pageCount) strHtml += '<span class="lines"></span>';
- //if (this.page != this.pageCount) strHtml += '<span title="第 ' + this.pageCount + ' 页"><a href="javascript:' + this.name + '.toPage(' + this.pageCount + ');">' + this.pageCount + '</a></span>';
- if (nextPage > this.pageCount) {
- strHtml += '<span title="下五页" class="nones">›</span>';
- strHtml += '<span title="最后一页" class="nones">»</span>';
- } else {
- strHtml += '<span title="下五页"><a href="javascript:' + this.name + '.toPage(' + nextbigPage + ');">›</a></span>';
- strHtml += '<span title="最后一页"><a href="javascript:' + this.name + '.toPage(' + this.pageCount + ');">»</a></span>';
- }
- strHtml += '</span><br>';
- 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){
- 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){
- 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;
- }