<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>用helper代替自定义标签 --- by 杨元</title>
<style>
</style>
</head>
<body>
<div>
<table>
<thead>
<tr>
<th>名称</th>
<th>单价</th>
</tr>
</thead>
<tbody>
</tbody>
</table>
</div>
<script src="https://www.jb51.net/jquery.min.js"></script>
<script src="https://www.jb51.net/jsviews.js"></script>
<!-- 定义JsRender模版 -->
<script type="text/x-jsrender">
<tr>
<td>{{:name}}</td>
<td>
{{!-- 利用原生的if做分支跳转，利用helper做逻辑处理 --}}
{{if ~isShow(price)}}
{{:price}}
{{else}}
--
{{/if}}
</td>
</tr>
</script>
<script>
//数据源
var dataSrouce = [{
name: "苹果",
price: 108
},{
name: "鸭梨",
price: 370
},{
name: "桃子",
price: 99
},{
name: "菠萝",
price: 371
},{
name: "橘子",
price: 153
}];
//Helper
$.views.helpers({
"isShow": function(price){
var temp=price+''.split('');
if(price==(Math.pow(parseInt(temp[0],10),3)+Math.pow(parseInt(temp[1],10),3)+Math.pow(parseInt(temp[2],10),3))){
return true;
}else{
return false;
}
}
});
//渲染数据
var html = $("#testTmpl").render(dataSrouce);
$("#list").append(html);
</script>
</body>
</html>
演示代码打包下载：(jb51.net).rar
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