Pagination component based on jQuery encapsulation
Foreword:
Since the project needed to achieve the paging effect, I searched in the jQuery plug-in library, but I couldn’t find the effect I wanted, so I encapsulated a paging component myself.
Idea:
It is mainly based on the paging template established based on the prototype during initialization and then binds dynamic events to achieve the paging effect of refreshing the DOM.
1.page.init.css
1 @charset "utf=8"; 2 *{ 3 box-sizing: border-box; 4 padding: 0; 5 margin: 0; 6 } 7 .page{ 8 font-size: 13px; 9 text-align: right;10 }11 .page .page_to{12 display: inline-block;13 max-width: 250px;14 }15 .page .page_to li{16 display: inline-block;17 width: auto;18 height: auto;19 border: 1px solid #ddd;20 padding:5px 10px;21 border-left-width: 0;22 color: #323232;23 cursor: pointer;24 }25 .page .page_to li.page_hide{26 display: none;27 }28 .page .page_to li:hover{29 color: #32C2CD;30 background-color: #f4f4f4;31 border-color: #DDDDDD;32 }33 .page .page_to li:first-child{34 border-left-width: 1px;35 }36 .page .page_jump{37 display: inline-block;38 width: 180px;39 }40 .page .page_jump input.page_jump_input{41 width: 52px;42 height: 28px;43 text-align: center;44 text-decoration: none;45 background-color: #fff;46 border: 1px solid #ddd;47 margin:0 4px;48 }49 .page .page_jump input.page_jump_btn{50 display: inline-block;51 padding: 7px 20px;52 margin-left: 5px;53 font-size: 14px;54 font-weight: 400;55 line-height: 1.42857143;56 text-align: center;57 white-space: nowrap;58 vertical-align: middle;59 -ms-touch-action: manipulation;60 touch-action: manipulation;61 cursor: pointer;62 -webkit-user-select: none;63 -moz-user-select: none;64 -ms-user-select: none;65 user-select: none;66 border: 1px solid transparent;67 border-radius: 4px;68 background-color: #00BB9C;69 color: #FFFFFF;70 font-weight: bold;71 }2.pageInit.js
1 /** 2 * Created: 2017/6/20. 3 * author: Aaron 4 * address:
5 */ 6 (function($,window,undefined){ 7 8 var curPage='', 9 //跳转是否有值 10 jumpVal='', 11 //从DOM中重新获取数据总数/总页数 12 lists='', 13 totals='', 14 //是否返回值 15 isTrue=false; 16 17 var Page=function(opts){ 18 this.settings= $.extend({},Page.defaults,opts); 19 curPage=this.settings.initPage; 20 totals=this.settings.totalPages; 21 jumpVal=this.settings.inputVal; 22 this.init(); 23 }; 24 25 //默认配置 26 Page.defaults={ 27 container:'.page', 28 setPos:'body', 29 totalPages:null, 30 totalLists:null, 31 initPage:1, 32 inputVal:1, 33 callBack:null 34 }; 35 36 Page.prototype={ 37 init:function(){ 38 this.create(); 39 }, 40 create:function(){ 41 var _template='<div class="page">'+ 42 '<span class="page_details">'+ 43 '共<span class="page_num">'+this.settings.totalLists+'</span>条记录，'+ 44 '第<span class="page_current">'+curPage+'</span>/'+ 45 '<span class="page_size">'+this.settings.totalPages+'</span>页'+ 46 '</span>'+ 47 '<div class="page_to">'+ 48 '<ul class="flex_parent">'+ 49 '<li class="page_first flex_child">首页</li>'+ 50 '<li class="page_pre page_hide flex_child">« 上一页</li>'+ 51 '<li class="page_next flex_child">下一页 »</li>'+ 52 '<li class="page_last flex_child">末页</li>'+ 53 '</ul>'+ 54 '</div>'+ 55 '<div class="page_jump">'+ 56 '<span>第：<input type="number" class="page_jump_input" value="'+this.settings.inputVal+'">页</span>'+ 57 '<input type="button" class="page_jump_btn" value="Go">'+ 58 '</div>'+ 59 '</div>'; 60 $(this.settings.setPos).append(_template); 61 this.refreshDom(); 62 this.bindEvent(); 63 }, 64 bindEvent:function(){ 65 var _this=this; 66 //跳转首页 67 $(this.settings.container).on("click",".page_first",function(){ 68 69 lists=$(_this.settings.container).find(".page_num").text(); 70 totals=$(_this.settings.container).find(".page_size").text(); 71 72 if($.isFunction(_this.settings.callBack)){ 73 curPage=1; 74 isTrue=_this.settings.callBack(1); 75 if(isTrue){ 76 _this.refreshDom(); 77 $(_this.settings.container).find(".page_current").text(1); 78 $(_this.settings.container).find(".page_jump_input").val(curPage); 79 } 80 } 81 }); 82 //跳转上一页 83 $(this.settings.container).on("click",".page_pre",function(){ 84 85 lists=$(_this.settings.container).find(".page_num").text(); 86 totals=$(_this.settings.container).find(".page_size").text(); 87 88 if($.isFunction(_this.settings.callBack)){ 89 if(curPage>1){ 90 curPage=curPage-1; 91 isTrue=_this.settings.callBack(curPage); 92 if(isTrue){ 93 _this.refreshDom(); 94 $(_this.settings.container).find(".page_current").text(curPage); 95 $(_this.settings.container).find(".page_jump_input").val(curPage); 96 } 97 } 98 } 99 });100 //跳转下一页101 $(this.settings.container).on("click",".page_next",function(){102 103 lists=$(_this.settings.container).find(".page_num").text();104 totals=$(_this.settings.container).find(".page_size").text();105 106 107 if($.isFunction(_this.settings.callBack)){108 if(curPage<totals){109 curPage=curPage+1;110 isTrue=_this.settings.callBack(curPage);111 if(isTrue){112 _this.refreshDom();113 $(_this.settings.container).find(".page_current").text(curPage);114 $(_this.settings.container).find(".page_jump_input").val(curPage);115 }116 }117 }118 });119 //跳转末页120 $(this.settings.container).on("click",".page_last",function(){121 122 lists=$(_this.settings.container).find(".page_num").text();123 totals=$(_this.settings.container).find(".page_size").text();124 125 if($.isFunction(_this.settings.callBack)){126 curPage=totals;127 isTrue=_this.settings.callBack(curPage);128 if(isTrue){129 _this.refreshDom();130 $(_this.settings.container).find(".page_current").text(totals);131 $(_this.settings.container).find(".page_jump_input").val(curPage);132 }133 }134 });135 //Go跳转136 $(this.settings.container).on("click",".page_jump_btn",function(){137 138 lists=$(_this.settings.container).find(".page_num").text();139 totals=$(_this.settings.container).find(".page_size").text();140 141 if($.isFunction(_this.settings.callBack)){142 jumpVal=Number($(_this.settings.container).find("input.page_jump_input").val());143 console.log('跳转的页数：'+jumpVal+';跳转之前的页数：'+curPage);144 if(jumpVal>=1 && jumpVal <=totals){145 curPage=jumpVal;146 isTrue=_this.settings.callBack(curPage);147 if(isTrue){148 _this.refreshDom();149 $(_this.settings.container).find(".page_current").text(curPage);150 }151 }else{152 jumpVal=curPage;153 }154 }155 });156 },157 refreshDom:function(){158 $(this.settings.container).find("li.flex_child").removeClass("page_hide");159 if(Number(totals)==1){160 $(this.settings.container).find(".page_pre").addClass("page_hide");161 $(this.settings.container).find(".page_next").addClass("page_hide");162 }163 else if(Number(totals)==2){164 if(Number(curPage)==1){165 $(this.settings.container).find(".page_pre").addClass("page_hide");166 }else{167 $(this.settings.container).find(".page_next").addClass("page_hide");168 }169 }170 else if(Number(curPage)==1 && Number(totals)>2){171 $(this.settings.container).find(".page_pre").addClass("page_hide");172 }173 else if(Number(curPage)==Number(totals) && Number(totals)>2){174 $(this.settings.container).find(".page_next").addClass("page_hide");175 }176 }177 };178 179 var pageInit=function(opts){180 return new Page(opts);181 };182 183 window.pageInit= $.pageInit=pageInit;184 185 })(jQuery,window,undefined);3.Component call
Paging component initialization can be completed through window.pageInit= $.pageInit=pageInit.
The exposed interfaces are:
1.container: DOM container, default.page
2.setPos: HTML position placed by DOM, default body
3.totalPages: Default number of pages, required, default null
4.totalLists: Default total number of data, required, default null
5.initPage: Current page ,Default first page
6.inputVal: Jump page, default first page
7.callBack: Executed callback function, required, default null
1 <!DOCTYPE html> 2 <html> 3 <head lang="en"> 4 <meta charset="UTF-8"> 5 <title>基于jQuery封装的分页组件</title> 6 <link rel="stylesheet" href="css/page.init.css?1.1.11"> 7 </head> 8 <body> 9 <script src="https://cdn.bootcss.com/jquery/2.2.4/jquery.js?1.1.11"></script>10 <script src="js/pageInit.js?1.1.11"></script>11 <script>12 $.pageInit(13 {14 container:'.page',//容器：默认page15 //setPos:'body',//放置位置：默认body16 totalPages:10,//总页数：必填17 totalLists:100,//数据总数：必填18 initPage:1,//初始页码：默认119 inputVal:1,//设置跳转的input值：默认120 //要执行的函数：默认null，必须为fn且返回true则可执行分页，false则不执行21 callBack:function(n){22 var flag=true;23 console.log(n);24 return flag;25 }26 }27 );28 </script>29 </body>30 </html>Effect:
Add the function function you need to execute through the callBack interface, and only perform dynamic DOM rendering when true is required.
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