我正在尝试将Bootstrap表扩展集成到我的应用程序中。一般来说,它工作得很好,但我在破解我的淘汰可观测值时遇到了问题。
JSFiddle上的这段代码说明了这个问题。当为表调用bootstrapTable()时,到文本框的绑定被破坏。如果你把最后一行注释掉,一切都很好。
Javascript
var order = {
Id: 1,
CustomerName: 'A Customer',
Lines: [{
ProductCode: 'Prod_1',
Cost: 11.11,
Qty: 1
}, {
ProductCode: 'Prod_2',
Cost: 22.22,
Qty: 2
}, {
ProductCode: 'Prod_3',
Cost: 33.33,
Qty: 3
}, ]
};
var orderMapping = {
'Lines': {
create: function(options) {
return new orderLineViewModel(options.data);
}
}
}
var orderLineViewModel = function(data) {
var self = this;
if (data != null) {
ko.mapping.fromJS(data, {}, this);
}
self.LineValue = ko.computed(function() {
return (self.Cost() * self.Qty()).toFixed(2);
});
};
var orderViewModel = function(data) {
var self = this;
ko.mapping.fromJS(data, orderMapping, this);
};
var viewModel = new orderViewModel(order);
ko.applyBindings(viewModel);
//Removing the line below results in ko working fine
$('#OrderTable').bootstrapTable({});
HTML
<table id="OrderTable" class="table">
<thead>
<tr>
<th>Product</th>
<th>Line Value</th>
<th>Cost</th>
<th>Qty</th>
</tr>
</thead>
<tbody data-bind="foreach: Lines">
<tr>
<td><span data-bind="text: ProductCode"></span></td>
<td><span data-bind="text: LineValue"></span></td>
<td><span data-bind="text: Cost"></span></td>
<td>
<input type="text" data-bind="value: Qty" />
</td>
</tr>
</tbody>
</table>
我看到的唯一问题是,当您更新数量时,它会更新所有项目的行值吗?
可以很简单地解决(添加2dp格式):
var orderLineViewModel = function(data) {
var self = this;
if (data != null) {
ko.mapping.fromJS(data, {}, this);
}
self.LineValue = ko.computed(function() {
return (self.Cost() * self.Qty()).toFixed(2);
});
};
更新到您的JSFiddle
简单的解决方案是,您需要在applyBindings之前调用bootstrapTable,$("#selector")BoostrapTable({})->重新创建您的html,您将丢失淘汰绑定。
var orderViewModel = function(data) {
var self = this;
ko.mapping.fromJS(data, orderMapping, this);
};
$('#OrderTable').bootstrapTable({});
var viewModel = new orderViewModel(order);
ko.applyBindings(viewModel);