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doT模板引擎基本语法

  • 1、for interpolation 赋值

格式：{{= }}
数据源：{"name":"Jake","age":31}
区域: <div id="interpolation"></div>
模板：

<script id="interpolationtmpl" type="text/x-dot-template">
    <div>Hi {{=it.name}}!</div>
    <div>{{=it.age || ''}}</div>
</script>

调用方式：

var dataInter = {"name":"Jake","age":31};
var interText = doT.template($("#interpolationtmpl").text());
$("#interpolation").html(interText(dataInter));
  • 2、for evaluation for in 循环

格式：

{{ for var key in data { }} 
    {{= key }} 
{{ } }}

数据源：

{
    "name": "Jake", 
    "age": 31, 
    "interests": [
        "basketball", 
        "hockey", 
        "photography"
    ], 
    "contact": {
        "email": "jake@xyz.com", 
        "phone": "999999999"
    }
}

区域: <div id="evaluation"></div>
模板：

<script id="evaluationtmpl" type="text/x-dot-template">
    {{ for(var prop in it) { }}
        <div>KEY:{{= prop }}---VALUE:{{= it[prop] }}</div>
    {{ } }}
</script>

调用方式：

var dataEval = {"name":"Jake","age":31,"interests":["basketball","hockey","photography"],"contact":{"email":"jake@xyz.com","phone":"999999999"}};
var evalText = doT.template($("#evaluationtmpl").text());
$("#evaluation").html(evalText(dataEval));
  • 3、for array iteration 数组

格式：

{{~data.array :value:index }}
    ...
{{~}}

数据源：

{
    "array": [
        "banana", 
        "apple", 
        "orange"
    ]
}

区域: <div id="arrays"></div>
模板：

<script id="arraystmpl" type="text/x-dot-template">
    {{~it.array:value:index}}
        <div>{{= index+1 }}{{= value }}!</div>
    {{~}}
</script>

调用方式：

var dataArr = {"array":["banana","apple","orange"]};
var arrText = doT.template($("#arraystmpl").text());
$("#arrays").html(arrText(dataArr));
  • 4、{{? }} for conditionals 条件

格式：

{{? }} if
{{?? }} else if
{{??}} else

数据源：

{
    "name": "Jake", 
    "age": 31
}

区域: <div id="condition"></div>
模板：

<script id="conditionstmpl" type="text/x-dot-template">
    {{? !it.name }}
    <div>Oh, I love your name, {{=it.name}}!</div>
    {{?? !it.age === 0}}
    <div>Guess nobody named you yet!</div>
    {{??}}
    You are {{=it.age}} and still dont have a name?
    {{?}}
</script>

调用方式：

var dataEncode = {"uri":"http://jq22.com/?keywords=Yoga","html":"<div style='background: #f00; height: 30px; line-height: 30px;'>html元素</div>"};
var EncodeText = doT.template($("#conditionstmpl").text());
$("#encode").html(EncodeText(dataEncode));
  • 5、for interpolation with encoding 插入html

格式：

{{!it.uri}}

数据源：

{
    "uri": "http://jq22.com/?keywords=Yoga"
}

区域: <div id="encode"></div>
模板：

<script id="encodetmpl" type="text/x-dot-template">
    Visit {{!it.uri}} {{!it.html}}
</script>

调用方式：

var dataEncode = {"uri":"http://jq22.com/?keywords=Yoga","html":"<div style='background: #f00; height: 30px; line-height: 30px;'>html元素</div>"};
var EncodeText = doT.template($("#encodetmpl").text());
$("#encode").html(EncodeText(dataEncode));
  • 6、{{# }} for compile-time evaluation/includes and partials
    {{## #}} for compile-time defines

数据源：

{"name":"Jake","age":31}

区域: <div id="part"></div>
模板：

<script id="parttmpl" type="text/x-dot-template">
    {{##def.snippet:
    <div>{{=it.name}}</div>{{#def.joke}}
    #}}
    {{#def.snippet}}
    {{=it.html}}
</script>

调用方式：

var dataPart = {"name":"Jake","age":31,"html":"<div style='background: #f00; height: 30px; line-height: 30px;'>html元素</div>"};
var defPart = {"joke":"<div>{{=it.name}} who?</div>"};
var partText = doT.template($("#parttmpl").text(), undefined, defPart);
$("#part").html(partText(dataPart))