• laytpl : 一款非常轻量的JavaScript模板引擎


    //假设你得到了这么一段数据
    var data = {
      title: '前端圈',
      intro: '一群码js的骚年,幻想改变世界,却被世界改变。',
      list: [{name: '贤心', city: '杭州'},  {name: '谢亮', city: '北京'}, {name: '浅浅', city: '杭州'}, {name: 'Dem', city: '北京'}]
    };
    
    var tpl = document.getElementById('tpl').innerHTML; //读取模版
    //方式一:异步渲染(推荐)
    laytpl(tpl).render(data, function(render){
      document.getElementById('view').innerHTML = render;
    });
    
    //方式二:同步渲染:
    var render = laytpl(tpl).render(data);
    document.getElementById('view').innerHTML = render;

    模板就可写成如下:

    <h3>{{ d.title }}</h3>
    <p class="intro">{{ d.intro }}</p>
    <ul>
    {{# for(var i = 0, len = d.list.length; i < len; i++){ }}
      <li>
        <span>{{ d.list[i].name }}</span>
        <span>所在城市:{{ d.list[i].city }}</span>
      </li>
    {{# } }}
    </ul>

    完整实例:

    //第一步:编写模版。你可以使用一个script标签存放模板,如:
    <script id="demo" type="text/html">
    <h1>{{ d.title }}</h1>
    <ul>
    {{# for(var i = 0, len = d.list.length; i < len; i++){ }}
      <li>
        <span>姓名:{{ d.list[i].name }}</span>
        <span>城市:{{ d.list[i].city }}</span>
      </li>
    {{# } }}
    </ul>
    </script>
    
    //第二步:建立视图。用于呈现渲染结果。
    <div id="view"></div>
    
    //第三步:渲染模版
    var data = {
      title: '前端攻城师',
      list: [{name: '贤心', city: '杭州'}, {name: '谢亮', city: '北京'}, {name: '浅浅', city: '杭州'}, {name: 'Dem', city: '北京'}]
    };
    var gettpl = document.getElementById('demo').innerHTML;
    laytpl(gettpl).render(data, function(html){
      document.getElementById('view').innerHTML = html;
    });

    我实际做的一个实现页面:

    <!DOCTYPE html >
    <html>
    <head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width,initial-scale=1.0, user-scalable=0, minimum-scale=1.0, maximum-scale=1.0" />
    <meta content="yes" name="apple-mobile-web-app-capable" />
    <meta content="black" name="apple-mobile-web-app-status-bar-style" />
    <meta content="telephone=no" name="format-detection" />
    <meta content="" name="keywords">
    <meta content="" name="description">
    <!-- 全局-css -->
    <link type="text/css" rel="stylesheet" href="../tools/css/basecore.css"/>
    <link type="text/css" rel="stylesheet" href="../tools/css/style.css"/>
    <!-- 全局-js -->
    <script type='text/javascript' src='../tools/js/common.js'></script>
    <script type="text/html" id="_template">
    {{# for(var i = 0, len = d.length; i < len; i++){ }}
        <li>
        <p class="item-time">{{d[i].addDate}}</p>
        <div class="item-title-row">
              <div class="item-title">{{d[i].noticeTitle}}</div>
              <div class="item-after"><a href="javascript:goToDetail('{{d[i].id}}')">进入详情<i class="icon icon-right"></i></a></div>
        </div>
        <div class="item-content">
            <div class="item-media list-img"><p><img class="imgthanh" data-original="../../{{d[i].noticePic}}"/></p></div>
            <div class="item-inner">
                  <div class="item-title-row moredo3">
                     {{d[i].noticeContent}}                      
                  </div>
            </div>
        </div>
        </li>
    {{# } }} 
    </script>
    <title>重要通知列表</title>
    </head>
    <body class="bjF8F6F0">
    <div class="page-group">
       <div class="page">
        
        <div class="content" id="contentscroll"> 
        <header>
           <div class="top-bar-con">
             <div class="tc top-bar-txt">重要信息</div> 
           </div>
        </header>
        <!-- header_start-->
        
        <!-- header_end   -->
        <!-- center_start -->
        
        <ul class="list-block media-list notice-list" id="noticeList">
        
        </ul>
        <!-- 没有数据时 -->
        <div class="list_empty" id="emptyDiv" style="display:none;text-align:center">
            <p class="logoimg"><img class="wht4" src="../tools/images/dlogo1.png"/></p>
            <p class="emptycont"><span><font class="tmptytitle">暂无通知消息哦!</font><br></span></p>
        </div>
        <!-- center_end -->
        <div class="list_loading" id="loadAnimate">
             <span class="glyphicon"></span>
        </div> 
        </div>
      </div>    
    </div>
    <!-- 请在这底下写js -->
    <!-- 全局-js -->
    <script type='text/javascript' merge="true" src='../tools/js/core.js'></script>
    <script type="text/javascript"> 
    var basePath = getRelativeRootPath();
    var pNo = 1;
    var pSize = 5;
    var loadFlag = true;
    var allList = new Array();
    $(function(){
        initNotice();
        gotoBot();
    });
    
    function initNotice(){
        $.encasedAjax(basePath + '/rest/mall/queryNoticeList/'+pNo+'/'+pSize, {},function (data) {
        
    if(data.noticeList !=null && data.noticeList.length>0){
          
    var tpl = document.getElementById('_template').innerHTML; //读取模版 //方式一:异步渲染(推荐) laytpl(tpl).render(data.noticeList, function(render){
             $("#noticeList").append(render);  });
    //图片延迟加载 imgoriginal(); if(data.noticeList.length == pSize){ loadFlag = true; loadAnimate.innerHTML = '<span>上拉加载更多</span>'; }else{ loadFlag = false; loadAnimate.innerHTML = '<span>没有更多了</span>'; } }else{ loadFlag = false; if(pNo==1){ $("#emptyDiv").show(); $("#noticeList").html(""); loadAnimate.innerHTML = '<span></span>'; return; } loadAnimate.innerHTML = '<span>没有更多了</span>'; } },{"async":true}) } //分页 function gotoBot(){ $("#contentscroll").on("scroll", function() { var windowHeight = document.getElementById('contentscroll').clientHeight; var scrollHeight = document.getElementById('contentscroll').scrollHeight; var scrollTop = document.getElementById('contentscroll').scrollTop + document.body.scrollTop; if(scrollTop >= (scrollHeight - windowHeight - 100) && loadFlag) { pNo++; loadFlag = false; loadAnimate.innerHTML = '<span class="glyphicon">正在加载中...</span>'; initNotice(pNo); } }); } function goToDetail(id){ location.href="articleDetails.html?id="+id; } </script> </body> </html>
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  • 原文地址:https://www.cnblogs.com/JsonShare/p/6018497.html
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