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ich Knockout am Lernen und ein kleines Beispiel unter auszuprobieren sind die die drei Dateien, die ich habe: Index Einführung EinführungKNOCKOUT: Uncaught (inpromise) verwiesen Fehler
ich NetBeans IDE für die Entwicklung verwenden.
index.html
<!DOCTYPE html>
<html>
<head>
<title>TODO supply a title</title>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<script data-main="js/main" src="js/libs/require/require.js" type="text/javascript"></script>
<link href="css/libs/oj/v2.1.0/alta/oj-alta-min.css" rel="stylesheet" type="text/css"/>
<style>
table, th, td {
border: 1px solid black;
padding: 15px;
}
th {
text-align: left;
}
thead{
border-style: double;
font-weight: bold ;
}
tr {
text-align: left;
}
{background-color: #f5f5f5}
</style>
</head>
<body>
<div data-bind="ojModule: {name: 'introduction'}"></div>
</body>
</html>
Viewmodels - introduction.js
/**
* introduction module
*/
define(['ojs/ojcore', 'knockout',oj,jquery,require
], function (oj, ko) {
/**
* The view model for the main content view template
*/
function introductionContentViewModel() {
var self = this;
self.firstName = ko.observable("Planet");
self.lastName = ko.observable("Earth");
self.fullName = ko.pureComputed(function() {
return this.firstName() + " " + this.lastName();
}, this);
this.fullName= this.firstName() +" " +this.lastName();
this.resetName=function(){
alert("Reset Name!");
this.firstName("James");
this.lastName("Potter");
};
this.capitalizeName=function(){
var curValue=this.lastName();
this.lastName(curValue.toUpperCase());
};
function seatReservation(fname,lname, reservMeals){
this.firstName=fname;
this.lastName=lname;
this.meals = ko.observable(reservMeals);
/* this.formattedPrice=ko.computed(function(){
var price = this.meals.price;
return price ? "$" + price.toFixed(2):"none";
});*/
};
this.mealsAvailable=[{mealName:"SandWich",price:25},
{mealName:"Roti",price:23},
{mealName:"Dal",price:22}];
self.seats = ko.observableArray([
new seatReservation("Steve","Hawkins", this.mealsAvailable[0]),
new seatReservation("Bert","Baltymoore", this.mealsAvailable[1])
]);
//function to add new reservation into the table
this.newReservationRow=function(){
this.seats.push(new seatReservation("","",this.mealsAvailable[0]));
};
}
return introductionContentViewModel;
});
Ansichten -introduction.html
<body>
<form>
<div class='liveExample'>
<p> First Name: <span data-bind='text: firstName'/> </p>
<p> Last Name: <span data-bind='text: lastName'/> </p>
<p>First name: <input data-bind='value: firstName' /></p>
<p>Last name: <input data-bind='value: lastName' /></p>
<h2>Hello, <span data-bind='text: fullName'> </span>!</h2>
<button data-bind='click: resetName' >Reset Name </button>
<button data-bind='click: capitalizeName'>Capitalize </button>
<input type='submit' data-bind='click: resetName' value='Reset'/>
</div>
<div class="Reservations">
<h2>Reservations </h2>
<table>
<thead> <tr><td> FirstName </td><td> LastName</td> <td> Meals</td><td> Price</td></tr></thead>
<tbody data-bind="foreach: seats">
<tr>
<td><input data-bind="value: firstName"/> </td>
<td><input data-bind="value: lastName"/> </td>
<td><select data-bind="options: meals,optionsText:'mealName'"></select> </td>
<td data-bind="text: meals().price"> </td>
</tr>
</tbody>
</table><br>
<input type="submit" value="New Reservation" label="New Reservation" title="Click to Make a New Reservation" data-bind="click: newReservationRow"/>
</div>
</form>
</body>
ich die gewünschte aus bin nicht put bekommen. Die gewünschte Ausgabe ist so etwas wie dies in dem unten stehenden Link
http://learn.knockoutjs.com/#/?tutorial=collections