jquery.tmpl.min.js 前端模版


后台数据,动态更新前台页面是现在常用的方法,评论的分页动态加载,微博的滚动加载和定时请求加载等
cdn
http://ajax.microsoft.com/ajax/jquery.templates/beta1/jquery.tmpl.min.js
动态请求返回的数据是 JSON 或 XML,在浏览器端格式化数据
浏览器 JSON 生成 生成HTML 的框架相继出现 jquery.tmpl 是其中的一种
jquery.tmpl 常用标签
${}, {{each}}, {{if}}, {{else}}, {{html}}
${}等同与{{=}}是输出变量 ${}里面可放表达式 (=和变量之间有空格,否则无效)

试一下 jquery.tmpl前端模版
<div id="div_demo"></div>
<script id="demo" type="text/x-jquery-tmpl">
    <div style="margin-bottom:10px;">
      <span>${ID}</span>
      <span style="margin-left:10px;">{{= Name}}</span>
      <span style="margin-left:10px;">${Number(Num)+1}</span>
      <span style="margin-left:10px;">${Status}</span>
    </div>
</script>
<script type="text/javascript">
  var users = [{ ID: 'think8848', Name: 'Joseph Chan', Num: '1', Status: 1 }, { ID: 'aCloud', Name: 'Mary Cheung', Num: '2'}];
  $("#demo").tmpl(users).appendTo('#div_demo');
</script>
{{each}} 提供循环逻辑,$value访问迭代变量 也可以自定义迭代变量(i,value)
<div id="div_each"></div>
<script id="each" type="text/x-jquery-tmpl">
    <h3>users</h3>
    {{each(i,user) users}}
        <div>${i+1}:{{= user.name}}</div>
        {{if i==0}}
            <h4>group</h4>
            {{each(j,group) groups}}
                <div>${group.name}</div>
            {{/each}}
        {{/if}}
    {{/each}}
    <h3>depart</h3>
    {{each departs}}
        <div>{{= $value.name}}</div>
    {{/each}}
</script>
<script type="text/javascript">
  var eachData = { users: [{ name: 'jerry' }, { name: 'john'}], groups: [{ name: 'mingdao' }, { name: 'meihua' }, { name: 'test'}], departs: [{ name: 'IT'}] };
$("#each").tmpl(eachData).appendTo('#div_each');
</script>
试一下 jquery.tmpl前端模版each
{{if }} {{else}} 分支逻辑 {{else}} 相当于else if
<div id="div_ifelse"></div>
<script id="ifelse" type="text/x-jquery-tmpl">
    <div style="margin-bottom:10px;"><span>${ID}</span><span style="margin-left:10px;">{{= Name}}</span>
        {{if Status}}
            <span>Status${Status}</span>
        {{else App}}
            <span>App${App}</span>
        {{else}}
            <span>None</span>
        {{/if}}
    </div>
</script>
<script type="text/javascript">
var users = [{ ID: 'think8848', Name: 'Joseph Chan', Status: 1, App: 0 }, { ID: 'aCloud', Name: 'Mary Cheung', App: 1 }, { ID: 'bMingdao', Name: 'Jerry Jin'}];
    $("#ifelse").tmpl(users).appendTo('#div_ifelse');
</script>
试一试
{{html}}
输出变量html,但是没有html编码,适合输出html代码

<div id="div_html"></div>
<script id="html" type="text/x-jquery-tmpl">
    <div style="margin-bottom:10px;">
    <span>${ID}</span>
    <span style="margin-left:10px;">{{= Name}}</span>
      ${html}
      {{html html}}
    </div>
</script>
<script type="text/javascript">
  var user = { ID: 'think8848', Name: 'Joseph Chan', html: '<button>html</button>' };
   $("#html").tmpl(user).appendTo('#div_html');
</script>
试一试
{{tmpl}} 嵌套模版   
<div id="tmpl"></div>
<script id="tmpl1" type="text/x-jquery-tmpl">
    <div style="margin-bottom:10px;">
      <span>${ID}</span>
      <span style="margin-left:10px;">{{tmpl($data) '#tmpl2'}}</span>
    </div>    
</script>
<script id="tmpl2" type="type/x-jquery-tmpl">
    {{each Name}}${$value}  {{/each}}  
</script>
<script type="text/javascript">
  var users = [{ ID: 'think8848', Name: ['Joseph', 'Chan'] }, { ID: 'aCloud', Name: ['Mary', 'Cheung']}];
   $("#tmpl1").tmpl(users).appendTo('#tmpl');
</script>
{{wrap}},包装器   
<div id="wrapDemo">    </div>
<script id="myTmpl" type="text/x-jquery-tmpl">
    The following wraps and reorders some HTML content:
    {{wrap "#tableWrapper"}}
        <h3>One</h3>
        <div>
            First <b>content</b>
        </div>
        <h3>Two</h3>
        <div>
            And <em>more</em> <b>content</b>...
        </div>
    {{/wrap}}
    </script>
<script id="tableWrapper" type="text/x-jquery-tmpl">
    <table cellspacing="0" cellpadding="3" border="1"><tbody>
        <tr>
            {{each $item.html("h3", true)}}
                <td>
                    ${$value}
                </td>
            {{/each}}
        </tr>
        <tr>
            {{each $item.html("div")}}
                <td>
                    {{html $value}}
                </td>
            {{/each}}
        </tr>
    </tbody></table>
    </script>
 <script type="text/javascript">
        $(function () {
            $('#myTmpl').tmpl().appendTo('#wrapDemo');
        });
    </script>
$data $item
$item代表当前的模板;$data代表当前的数据。
<div id="div_item_data"></div>
<script id="item_data" type="text/x-jquery-tmpl">
     <div style="margin-bottom:10px;">
    <span>${$data.ID}</span>
    <span style="margin-left:10px;">${$item.getName(" ")}</span>
   </div>
</script>
<script type="text/javascript">
   var users = [{ ID: 'think8848', Name: ['Joseph', 'Chan'] }, { ID: 'aCloud', Name: ['Mary', 'Cheung']}];
     $("#item_data").tmpl(users,
                {
                getName: function (spr) {
                   return this.data.Name.join(spr);
                }
                }).appendTo('#div_item_data');
</script>
$.tmplItem()方法
获取从render出来的元素上重新获取$item
<script type="text/javascript">
  $('#demo').delegate('div', 'click', function () {
                var item = $.tmplItem(this);
                alert(item.data.Name);
            });
</script>