Knockout结合Bootstrap创建动态UI实现产品列表管理

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>

如果大家还想深入学习，可以点击这里进行学习，再为大家附3个精彩的专题：

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Knockout结合Bootstrap创建动态UI实现产品列表管理

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