KnockJs 绑定语法

按照汤姆大叔的教程，学习了KnockJs相关知识，练习一下KnockoutJs的绑定语法。
相关的教程大家可以去看汤姆大叔的博客。
由于没有环境，代码直接用记事本写的，可能比较乱，仅作个人备忘。
<html>

<head>

    <title>绑定语法</title>

    <script type="text/javascript" src="js/knockout-2.3.0.js" ></script>

    <style>.css1{color: #0000ff;}</style>

</head>

<body>

    <!-- Visible绑定语法 -->

    <div data-bind = "visible:pVisible" > Visible 绑定</div>

    <div data-bind = "visible:strVisible().length > 0 " >  条件表达式 绑定 </div>

    <!-- text绑定语法 -->

    <span data-bind = "text:pText" ></span> <br/>

    <span data-bind = "text:fnText" ></span><br/>

    <span data-bind = "text:htmlText" ></span><br/>

    <!-- HTML绑定语法 -->

    <div data-bind = "html:pHtml" ></div><br/>

    <!-- CSS 绑定 -->

    <span data-bind = "css:pCss" >CSS绑定</span> <br/> 

    <!-- Style绑定 -->

    <span data-bind = "style:{ color:pStyle} ">Style绑定</span><br/>

    <!-- attr绑定 -->

    <a data-bind = "attr : {href:attrHref,text:attrText} " >百度</a><br/>

    <!-- Click绑定 -->

    <button data-bind="click: pClick" >Click</button>

    <!-- Event绑定 -->

    <div data-bind="event:{mouseover:pOver}" >Event 绑定 </div>

    <!-- Submit绑定 -->

    <form data-bind = "submit:pSubmit" >

    ...<input type="text" value="" /> <br/>

    <button type="submit" >Submit</button>

    </form>

    <!-- enable/disable 绑定 -->

    <input type='checkbox' data-bind="checked: pChecked"/>

    <input type='text' data-bind="enable: pChecked" value="enable" />

    <input type='text' data-bind="disable: pChecked" value="disable" /><br/>

    <!-- Value绑定 -->

    afterkeydown:<input type="text" data-bind="value:pValue,valueUpdate:'afterkeydown'" />

    change(默认):<input type="text" data-bind="value:pValue" />

    keyup::<input type="text" data-bind="value:pValue,valueUpdate:'keyup'" />

    keypress::<input type="text" data-bind="value:pValue,valueUpdate:'keypress'" />

    <!-- Checked 绑定 -->

    <div><input type="checkbox" value="t1" data-bind="checked: pCheckSections"/> Cherry</div>

        <div><input type="checkbox" value="t2" data-bind="checked: pCheckSections"/> Almond</div>

    <div><input type="checkbox" value="t3" data-bind="checked: pCheckSections"/> Eabjkkkk</div>

    <!-- Radio 绑定 -->

    <div><input type="radio" name="flavorGroup" value="t1" data-bind="checked: pRadio"/> Cherry</div>

        <div><input type="radio" name="flavorGroup" value="t2" data-bind="checked: pRadio"/> Almond</div>

       <div><input type="radio" name="flavorGroup" value="t3" data-bind="checked: pRadio"/> Monosodium Glutamate</div>

    <!-- Select 绑定 -->

    <select data-bind="options:pOption"></select>

    <select data-bind="options:pOption,selectedOptions:pOptionSelected"  multiple="true"></select>

    <select data-bind="options:pOption2,optionsText:'name',value:pOption2Value,optionsCaption:'请选择'"></select>

    <select data-bind="options:pOption2,optionsText:function(item){return item.name+' '+item.value},value:pOption2Value,optionsCaption:'请选择'"></select>

    <input data-bind="value:pOption2Value()?pOption2Value().value:'未知' " /> <br/>

    <!-- uniqueName 绑定 -->

    <input type='text' value='uniqueName绑定' data-bind="uniqueName:true" />

</body>

<script type="text/javascript">

var viewModel={} ;

//Visible语法

viewModel.pVisible = ko.observable(true) ;

viewModel.strVisible = ko.observable("xxxxxxxx") ;

//text绑定语法

viewModel.pText = ko.observable("text") ;

viewModel.fnText = ko.dependentObservable(function(){

    return viewModel.pText().length == 0 ? "empty" : "something" ;

});

viewModel.htmlText = ko.observable("<b>font<b>") ;

//html绑定

viewModel.pHtml = ko.observable("<b>HTML</b>") ;

//CSS绑定

viewModel.pCss = ko.observable("css1") ;

//style绑定

viewModel.pStyle = ko.observable("#0000ff") ;

//attr绑定

viewModel.attrHref = ko.observable("http://www.baidu.com");

viewModel.attrText = ko.observable("百度");

//Click绑定

viewModel.pClick = function(event){

alert(111);

if(event.shiftKey) {

}

else{

}

};

//event绑定

viewModel.pOver = function(){

    alert('over');

}

//Submit绑定

viewModel.pSubmit = function(){

    alert('Submit');

}

//Disable/Enable绑定

viewModel.pChecked = ko.observable(true);

//Value绑定

viewModel.pValue = ko.observable("test");

//checked绑定

viewModel.pCheckSections = ko.observableArray(["t1","t2"]);

viewModel.pCheckSections.push("t3"); 

//RadioButton绑定

viewModel.pRadio = ko.observable("t1");

//options绑定

viewModel.pOption = ko.observableArray(["法国","中国","西班牙"]);

viewModel.pOption.push("美国");

viewModel.pOptionSelected = ko.observable(["中国","西班牙"]);

var person  = function(pname,pvalue){

    this.name = pname;

    this.value = pvalue;

}

viewModel.pOption2 = ko.observableArray([

    new person("Key1","Value1"),

    new person("Key2","Value2")

]);

viewModel.pOption2Value = ko.observable();

//应用ViewModel

ko.applyBindings(viewModel);

</script>

</html>
巴特西

KnockJs 绑定语法

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