稳扎稳打Silverlight(2) - 1.0实例之支持录音和回放的钢琴(Silverlight+ASP.NET AJAX+DLINQ)

[源码下载]

[align=center]稳扎稳打Silverlight(2) - 1.0实例之支持录音和回放的钢琴(Silverlight+ASP.NET AJAX+DLINQ)[/align]

作者：webabcd

介绍

用Silverlight 1.0实现一个可以用鼠标或键盘弹奏，并且支持录音和回放的钢琴。(Silverlight+ASP.NET AJAX+DLINQ)

参考：http://silverlight.net/community/communitygallery.aspx

示例

Piano.xaml（用Expression Blend开发）

<Canvas

xmlns="http://schemas.microsoft.com/client/2007"

xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

x:Name="Piano"

Width="1024" Height="500">

<Image Source="Image/bg.jpg" Height="500" Width="1024"/>

<Image x:Name="imgC" Height="500" Width="1024" Canvas.Top="0" Source="Image/C.jpg" Opacity="0"/>

<Image x:Name="imgC2" Height="500" Width="1024" Canvas.Top="0" Source="Image/C2.jpg" Opacity="0"/>

<Image x:Name="imgD" Height="500" Width="1024" Canvas.Top="0" Source="Image/D.jpg" Opacity="0"/>

<Image x:Name="imgD2" Height="500" Width="1024" Canvas.Top="0" Source="Image/D2.jpg" Opacity="0"/>

<Image x:Name="imgE" Height="500" Width="1024" Canvas.Top="0" Source="Image/E.jpg" Opacity="0"/>

<Image x:Name="imgF" Height="500" Width="1024" Canvas.Top="0" Source="Image/F.jpg" Opacity="0"/>

<Image x:Name="imgF2" Height="500" Width="1024" Canvas.Top="0" Source="Image/F2.jpg" Opacity="0"/>

<Image x:Name="imgG" Height="500" Width="1024" Canvas.Top="0" Source="Image/G.jpg" Opacity="0"/>

<Image x:Name="imgG2" Height="500" Width="1024" Canvas.Top="0" Source="Image/G2.jpg" Opacity="0"/>

<Image x:Name="imgA" Height="500" Width="1024" Canvas.Top="0" Source="Image/A.jpg" Opacity="0"/>

<Image x:Name="imgA2" Height="500" Width="1024" Canvas.Top="0" Source="Image/A2.jpg" Opacity="0"/>

<Image x:Name="imgB" Height="500" Width="1024" Canvas.Top="0" Source="Image/B.jpg" Opacity="0"/>

<MediaElement x:Name="C" AutoPlay="false" Source="Media/C.wma"/>

<MediaElement x:Name="C2" AutoPlay="false" Source="Media/C2.wma"/>

<MediaElement x:Name="D" AutoPlay="false" Source="Media/D.wma"/>

<MediaElement x:Name="D2" AutoPlay="false" Source="Media/D2.wma"/>

<MediaElement x:Name="E" AutoPlay="false" Source="Media/E.wma"/>

<MediaElement x:Name="F" AutoPlay="false" Source="Media/F.wma"/>

<MediaElement x:Name="F2" AutoPlay="false" Source="Media/F2.wma"/>

<MediaElement x:Name="G" AutoPlay="false" Source="Media/G.wma"/>

<MediaElement x:Name="G2" AutoPlay="false" Source="Media/G2.wma"/>

<MediaElement x:Name="A" AutoPlay="false" Source="Media/A.wma"/>

<MediaElement x:Name="A2" AutoPlay="false" Source="Media/A2.wma"/>

<MediaElement x:Name="B" AutoPlay="false" Source="Media/B.wma"/>

<Canvas x:Name="pathCanvas">

<Path x:Name="CPath" Opacity="0.01" Fill="#FFFFFFFF" Stretch="Fill" Stroke="#FF000000" Width="161.666656494141" Height="272.333312988281" Canvas.Left="135.5" Canvas.Top="138.83332824707" Data="M272.66667,140 L136,330 147.33333,336 162.66667,410.66667 247.33333,410 234.66667,330.66667 278,248 254,242.66667 258.66667,200.66667 296.66667,139.33333 272.66667,140" />

<Path x:Name="C2Path" Opacity="0.01" Fill="#FFFFFFFF" Stretch="Fill" Stroke="#FF000000" Width="91" Height="136.333319306374" Canvas.Left="263.5" Canvas.Top="105.500005066396" Data="M325.33333,106.66667 L264,202.66667 266,241.33333 307.33333,238.66667 354,138 351.33333,106.66666 326.66667,106" />

<Path x:Name="DPath" Opacity="0.01" Fill="#FFFFFFFF" Stretch="Fill" Stroke="#FF000000" Width="131" Height="274.333297729492" Canvas.Left="247.499999999999" Canvas.Top="137.499984741212" Data="M358,142.66667 L311.33333,243.33333 288.66667,246 248,330.66667 258,338 266.66667,411.33333 354,410.66665 347.33333,330.66668 374,246.66668 350,243.33336 352.66667,202.66669 378,138.00005 360.66667,140.00005" />

<Path x:Name="D2Path" Opacity="0.01" Fill="#FFFFFFFF" Stretch="Fill" Stroke="#FF000000" Width="70.3333129882813" Height="134.333319425583" Canvas.Left="356.83334350586" Canvas.Top="107.500003457069" Data="M394.66667,108.66667 L357.33333,204 359.33333,241.33333 398,240.66667 426.66667,134.66667 425.33333,108" />

<Path x:Name="EPath" Opacity="0.01" Fill="#FFFFFFFF" Stretch="Fill" Stroke="#FF000000" Width="117.666656494141" Height="274.333343505859" Canvas.Left="358.833343505859" Canvas.Top="137.5" Data="M431.33333,140 L403.33333,245.33333 381.33333,248 359.33333,330 368.66667,339.33333 372,411.33333 458,411.33333 455.33333,331.33333 476,138 433.33333,138.66667" />

<Path x:Name="FPath" Opacity="0.01" Fill="#FFFFFFFF" Stretch="Fill" Stroke="#FF000000" Width="99.6666564941406" Height="273.666680037975" Canvas.Left="470.83334350586" Canvas.Top="138.833345949649" Data="M486.66667,140.66667 L471.33333,332 477.33333,334 476.66667,412 563.33333,411.33335 564,339.33334 570,328 560,246.66665 535.33333,243.33331 530,139.3333 486.66667,139.33329" />

<Path x:Name="F2Path" Opacity="0.01" Fill="#FFFFFFFF" Stretch="Fill" Stroke="#FF000000" Width="51" Height="133.666656494141" Canvas.Left="534.166687011719" Canvas.Top="108.16665649414" Data="M538.66667,109.33333 L534.66667,137.33333 542,241.33333 584,240.66666 584.66667,205.33334 568,108.66667 540.66667,108.66668" />

<Path x:Name="GPath" Opacity="0.01" Fill="#FFFFFFFF" Stretch="Fill" Stroke="#FF000000" Width="111" Height="274.333343505859" Canvas.Left="570.166687011719" Canvas.Top="137.5" Data="M570.66667,248 L582.66667,336 582,411.33333 669.33333,410.66667 672.66667,332.66667 680.66667,330 655.33333,245.33333 631.33333,244 601.33333,138 578.66667,138 594.66667,244.66667 571.33333,248" />

<Path x:Name="G2Path" Opacity="0.01" Fill="#FFFFFFFF" Stretch="Fill" Stroke="#FF000000" Width="76.3333129882813" Height="131.666656494141" Canvas.Left="603.5" Canvas.Top="110.166664123534" Data="M612,111.33333 L604,136.66667 636,238.66667 636.66667,241.33333 679.33333,241.33333 679.33333,206.66667 641.33333,111.33334 612.66667,110.66668" />

<Path x:Name="APath" Opacity="0.01" Fill="#FFFFFFFF" Stretch="Fill" Stroke="#FF000000" Width="138.333312988281" Height="274.333343505859" Canvas.Left="655.5" Canvas.Top="137.5" Data="M665.33333,246 L694.66667,336.66667 686,411.33333 774.66667,410 785.33333,335.33333 793.33333,328.66667 750.66667,246.66667 722,243.33333 673.33333,138 656,138.66667 688.66667,216.66667 685.33333,245.33333 666,246" />

<Path x:Name="A2Path" Opacity="0.01" Fill="#FFFFFFFF" Stretch="Fill" Stroke="#FF000000" Width="95" Height="131" Canvas.Left="676.166687011719" Canvas.Top="110.833320617675" Data="M682,111.33333 L676.66667,138.66667 730.66667,240.66667 768.66667,241.33333 770.66667,204.00001 713.33333,111.33334 683.33333,111.33335" />

<Path x:Name="BPath" Opacity="0.01" Fill="#FFFFFFFF" Stretch="Fill" Stroke="#FF000000" Width="172.333312988281" Height="275.666687011719" Canvas.Left="733.5" Canvas.Top="136.833320051431" Data="M758,247.33333 L806,333.33333 790,412 878,412 894.66667,334 905.33333,327.33333 764.66667,138.66667 734,137.33333 776.66667,207.33334 778.66667,246.66668 758.66667,248" />

</Canvas>

<Ellipse x:Name="stopRecord" Height="30" Width="30" Canvas.Left="40" Canvas.Top="430"

Stroke="Black" StrokeThickness="3" Fill="Red"/>

<Ellipse x:Name="startRecord" Height="30" Width="30" Canvas.Left="80" Canvas.Top="430"

Stroke="Black" StrokeThickness="3" Fill="Green"/>

<Canvas Width="60" Height="30" Canvas.Left="760" Canvas.Top="422" Cursor="Hand">

<TextBlock x:Name="play" TextWrapping="Wrap" FontSize="28" Foreground="#FF4C7185" Text="Play">

</TextBlock>

</Canvas>

<TextBlock x:Name="lblMussicBook" TextWrapping="Wrap" Canvas.Left="120" Canvas.Top="434" FontSize="14" Foreground="#FFFFFFFF" Text="MusicBook:">

</TextBlock>

<TextBlock x:Name="lblName" TextWrapping="Wrap" Canvas.Left="520" Canvas.Top="434" FontSize="14" Foreground="#FFFFFFFF" Text="Name:">

</TextBlock>

</Canvas>

Piano.xaml.js

if (!window.Piano)

Piano.Page = function()

Piano.Page.prototype =

<asp:Content ID="Content1" ContentPlaceHolderID="head" runat="Server">

<script type="text/javascript" src="../Silverlight.js"></script>

<script type="text/javascript" src="Default.aspx.js"></script>

<script type="text/javascript" src="Piano.xaml.js"></script>

<script type="text/javascript" src="Piano.js"></script>

</asp:Content>

<asp:Content ID="Content2" ContentPlaceHolderID="ContentPlaceHolder1" runat="Server">

<asp:ScriptManager ID="ScriptManager1" runat="server">

</asp:ScriptManager>

<div id="SilverlightControlHost" class="silverlightHost">

<asp:UpdateProgress ID="UpdateProgress1" runat="server">

<ProgressTemplate>

<div style="position: absolute; top: 0px; background-color: Red; color: White; z-index: 999">

Loading </ProgressTemplate>

</asp:UpdateProgress>

<asp:UpdatePanel ID="UpdatePanel1" runat="server">

<ContentTemplate>

<asp:GridView ID="GridView1" runat="server" Style="position: absolute; top: 0px;

width: 1024px" AllowPaging="True" AllowSorting="True" AutoGenerateColumns="False"

DataKeyNames="ID" DataSourceID="LinqDataSource1" RowStyle-HorizontalAlign="Center"

PageSize="2" OnSelectedIndexChanged="GridView1_SelectedIndexChanged">

<Columns>

<asp:CommandField ShowSelectButton="True" HeaderText="选择" ItemStyle-Width="40px"></asp:CommandField>

<asp:CommandField ShowDeleteButton="True" HeaderText="删除" ItemStyle-Width="40px"></asp:CommandField>

<asp:BoundField DataField="ID" HeaderText="ID" InsertVisible="False" ReadOnly="True"

SortExpression="ID" ItemStyle-Width="40px"></asp:BoundField>

<asp:BoundField DataField="Name" HeaderText="名称" SortExpression="Name"></asp:BoundField>

<asp:TemplateField HeaderText="乐谱" SortExpression="Details" ItemStyle-Width="700px">

<ItemTemplate>

<div style="overflow: hidden; width: 666px">

<asp:Label ID="lblDetails" runat="server" Text='<%# Bind("Details") %>'></asp:Label>

</div>

</ItemTemplate>

</asp:TemplateField>

</Columns>

</asp:GridView>

<asp:TextBox ID="txtInput" runat="server" Style="position: absolute; left: 200px;

top: 434px; width: 300px" />

<asp:TextBox ID="txtName" runat="server" Style="position: absolute; left: 566px;

top: 434px;" />

</ContentTemplate>

<Triggers>

<asp:AsyncPostBackTrigger ControlID="btnAdd" />

</Triggers>

</asp:UpdatePanel>

<asp:LinqDataSource ID="LinqDataSource1" runat="server" ContextTypeName="Data.MusicBookDataContext"

EnableDelete="True" TableName="MusicBook">

</asp:LinqDataSource>

<asp:Button ID="btnAdd" runat="server" Text="添加" Style="position: absolute; left: 710px;

top: 434px;" OnClick="btnAdd_Click" />

</div>

</asp:Content>

Default.aspx.cs
using System;

using System.Data;

using System.Configuration;

using System.Collections;

using System.Linq;

using System.Web;

using System.Web.Security;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Web.UI.WebControls.WebParts;

using System.Web.UI.HtmlControls;

using System.Xml.Linq;

public partial class _10_Piano_Default : System.Web.UI.Page

Default.aspx.js

function createSilverlight()

if (!window.Silverlight)

if (!window.Webabcd)

Webabcd.Piano = function()

Webabcd.Piano.prototype =

var _obj; // Webabcd.Piano对象

var _index; // 乐谱索引

function autoPlay(obj, index)

function execAutoPlay()

OK

[源码下载]