{{ }}   //不解析html标签而是直接显示出来

{{{ }}}  //解析html标签   




{{#if author}}  //定义了author属性就输出以下
  <h1>{{firstName}} {{lastName}}</h1>
{{/if}}


{{#if author}}
    <h1>{{firstName}} {{lastName}}</h1>
  {{else}}
    <h1>Unknown Author</h1>
{{/if}}






{{#unless license}}   //#unless 和 if 相反 ，条件为假时才执行 
  <h3 class="warning">WARNING: This entry does not have a license!</h3>
{{/unless}}










{{author.name}} {{author.id}}

author:{ name: "Yehuda Katz",id:187}




{{#each people}}
  <li>{{this}}</li>
{{/each}}

people:{ a:['a1','a2'],b:['b1','b2'] }

<li>a1,a2</li> 
<li>b1,b2</li>







{{#each people}}
  <li>{{this}}</li>
{{/each}}

people:[ ['a1','a2'],['b1','b2'] ]

<li>a1,a2</li> 
<li>b1,b2</li>






{{#each paragraphs}} //有定义paragraphs就遍历
   <p>{{this}}</p>
{{else}}  没有就输出以下
   <p class="empty">No content</p>
{{/each}}


paragraphs:[ ['a1','a2'],['b1','b2'] ],






为遍历添加索引
{{#each array}}
  {{@index}}: {{this}}
{{/each}}



为遍历获取键值对
{{#each object}}
  {{@key}}: {{this}}
{{/each}}