这个代码片段同时使用了each
和直接的json。 http://jsfiddle.net/streethawk707/a9ssja22/.
以下是两种遍历数组的方法。一种是通过直接传递json,另一种是在传递给内容容器时给json数组命名。
例如1:下面的示例直接调用small_data变量中的json键(data)。
在HTML中使用以下代码:
<div id="small-content-placeholder"></div>
以下内容可以放在HTML的头部或者主体部分:
以下内容可以放在HTML的头部或者主体部分:
<script id="small-template" type="text/x-handlebars-template">
<table>
<thead>
<th>Username</th>
<th>email</th>
</thead>
<tbody>
{{#data}}
<tr>
<td>{{username}}
</td>
<td>{{email}}</td>
</tr>
{{/data}}
</tbody>
</table>
</script>
下面的代码是在文档加载完成后执行的:
var small_source = $("#small-template").html();
var small_template = Handlebars.compile(small_source);
以下是JSON:
var small_data = {
data: [
{username: "alan1", firstName: "Alan", lastName: "Johnson", email: "alan1@test.com" },
{username: "alan2", firstName: "Alan", lastName: "Johnson", email: "alan2@test.com" }
]
};
最后将 JSON 附加到内容容器中:
$("#small-content-placeholder").html(small_template(small_data));
例2:使用each进行迭代。
考虑以下json。
var big_data = [
{
name: "users1",
details: [
{username: "alan1", firstName: "Alan", lastName: "Johnson", email: "alan@test.com" },
{username: "allison1", firstName: "Allison", lastName: "House", email: "allison@test.com" },
{username: "ryan1", firstName: "Ryan", lastName: "Carson", email: "ryan@test.com" }
]
},
{
name: "users2",
details: [
{username: "alan2", firstName: "Alan", lastName: "Johnson", email: "alan@test.com" },
{username: "allison2", firstName: "Allison", lastName: "House", email: "allison@test.com" },
{username: "ryan2", firstName: "Ryan", lastName: "Carson", email: "ryan@test.com" }
]
}
];
在将json传递给内容容器时,请使用以下方式命名:
$("#big-content-placeholder").html(big_template({big_data:big_data}));
而模板的样子如下:
<script id="big-template" type="text/x-handlebars-template">
<table>
<thead>
<th>Username</th>
<th>email</th>
</thead>
<tbody>
{{#each big_data}}
<tr>
<td>{{name}}
<ul>
{{#details}}
<li>{{username}}</li>
<li>{{email}}</li>
{{/details}}
</ul>
</td>
<td>{{email}}</td>
</tr>
{{/each}}
</tbody>
</table>
</script>