本篇文章结合Bootstrap创建一个比较完整的应用，对产品列表进行管理，包括产品的增加、删除、修改。
需要的引用
<script type='text/javascript' src='http://www.see-source.com/js/knockout-2.2.0.js'></script> <script type='text/javascript' src='http://www.see-source.com/js/jquery-1.6.2.min.js'></script> <link href="http://www.see-source.com/bootstrap/css/bootstrap.css" rel="stylesheet">
Html代码
<body>
<!-- 动态生成产品列表 -->
<table class="table table-bordered">
<thead>
<tr>
<th>ID</th>
<th>产品名称</th>
<th>原价</th>
<th>促销价</th>
<th>操作</th>
</tr>
</thead>
<tbody data-bind="foreach: products">
<tr >
<td>
<span data-bind="text: $data.Id"></span>
</td>
<td>
<input type="text" data-bind="value: $data.Name"/>
</td>
<td>
<input type="text" data-bind="value: $data.Price"/>
</td>
<td>
<input type="text" data-bind="value: $data.ActualCost"/>
</td>
<td>
<input type="button" class="btn" value="修改" data-bind="click: $root.update"/>
<input type="button" class="btn" value="删除" data-bind="click: $root.remove"/>
</td>
</tr>
</tbody>
</table>
<!-- 产品添加form -->
<form class="form-horizontal" data-bind="submit:$root.create">
<fieldset>
<legend>添加产品</legend>
<div class="control-group">
<label class="control-label" for="input01">产品名称</label>
<div class="controls">
<input type="text" name="Name" class="input-xlarge">
</div>
</div>
<div class="control-group">
<label class="control-label" for="input01">原价</label>
<div class="controls">
<input type="text" name="Price" class="input-xlarge">
</div>
</div>
<div class="control-group">
<label class="control-label" for="input01">促销价</label>
<div class="controls">
<input type="text" name="ActualCost" class="input-xlarge">
</div>
</div>
<div class="form-actions">
<button type="submit" class="btn btn-primary">保存</button>
<button class="btn">取消</button>
</div>
</fieldset>
</form>
</body>
js代码
<script type="text/javascript">
function ProductsViewModel() {
var baseUri = 'http://localhost:8080/knockout/';
var self = this;
//self.products = ko.observableArray([{'Id':'111','Name':'联想K900','Price':'3299','ActualCost':'3000'},{'Id':'222','Name':'HTC one','Price':'4850','ActualCost':'4500'}]);
self.products = ko.observableArray();
$.getJSON(baseUri + "list", self.products);//加载产品列表
//添加产品
self.create = function (formElement) {
$.post(baseUri + "add", $(formElement).serialize(), function(data) {
if(data.success){//服务器端添加成功时，同步更新UI
var newProduct = {};
newProduct.Id = data.ID;
newProduct.Name = formElement.Name.value;
newProduct.Price = formElement.Price.value;
newProduct.ActualCost = formElement.ActualCost.value;
self.products.push(newProduct);
}
},"json");
}
//修改产品
self.update = function (product) {
$.post(baseUri + "update", product, function(data) {
if(data.success){
alert("修改成功");
}
},"json");
}
//删除产品
self.remove = function (product) {
$.post(baseUri + "delete", "productID="+product.Id, function(data) {
if(data.success){
//服务器端删除成功时，UI中也删除
self.products.remove(product);
}
},"json");
}
}
ko.applyBindings(new ProductsViewModel());
</script>
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