這講是介紹如何在Windows Phone上調(diào)用必應(yīng)翻譯服務(wù)。想必大家也知道必應(yīng)為我們提供了很多服務(wù)，諸如搜索、地圖、翻譯等。前面已經(jīng)介紹了如何在Windows Phone上調(diào)用必應(yīng)的地圖服務(wù)，今天調(diào)用必應(yīng)的翻譯服務(wù)，在它的服務(wù)中包含36種以上語(yǔ)言，包括簡(jiǎn)體中文、繁體中文等。下面是一個(gè)快照。有興趣的朋友趕快行動(dòng)吧！

　　

　　

效果圖如下

　　　　　　　　起始界面

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　　　　沒有選擇語(yǔ)言時(shí)彈出提示框

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　　　　沒有輸入數(shù)據(jù)時(shí)彈出提示框

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　　　　　　翻譯完成后界面

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　　好啦！開始吧.

　　Step 1：創(chuàng)建語(yǔ)言類Language.cs

　　　　　每種語(yǔ)言都有兩個(gè)屬性，Name，Code。如上倆圖中文的Name是chinese simplified，Code是zh-CHS.

public class Language
{
??? public string Code { get; set; }
??? public string Name { get; set; }
}

　　　　　　

　　Step 2：用戶接口

　　　　　 我們定義了一些控件，并綁定Language的Name屬性，來顯示數(shù)據(jù)。

<ScrollViewer>
<StackPanel Orientation="Vertical">
<TextBlock FontSize="30">源語(yǔ)言:</TextBlock>
<ListBox x:Name="lbxFrom" Height="160" Margin="0,10,0,10" Width="440" HorizontalAlignment="Left">
<ListBox.ItemTemplate>
<DataTemplate>
<TextBlock Text="{Binding Name}" FontSize="30"></TextBlock>
</DataTemplate>
</ListBox.ItemTemplate>
</ListBox>
<TextBox Name="txtOrign" Text="" FontSize="25" TextWrapping="Wrap" Height="160" HorizontalAlignment="Left" Width="440"/>
<TextBlock FontSize="30">目標(biāo)語(yǔ)言:</TextBlock>
<ListBox x:Name="lbxTo" Height="160" Margin="0,10,0,10" Width="440" HorizontalAlignment="Left">
<ListBox.ItemTemplate>
<DataTemplate>
<TextBlock Text="{Binding Name}" FontSize="30"></TextBlock>
</DataTemplate>
</ListBox.ItemTemplate>
</ListBox>
<Button Name="btnTranslate" Content="翻譯"
Click="btnTranslate_Click" />
<TextBox Name="txtTarget" IsReadOnly="True" FontSize="30" TextWrapping="Wrap" Height="160" HorizontalAlignment="Left" Width="440"/>
</StackPanel>
</ScrollViewer>
</UserControl>

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在MainPage.cs文件中定義三個(gè)List<T>，來保存數(shù)據(jù)。

　　　　　　　　? private List<string> codes;
??????? 　　　　　　private List<string> names;
??????? 　　　　　　private List<Language> languages;

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　　Step 3：使用Bing SOAP 服務(wù)

　　　　? 添加服務(wù)引用，地址為：http://api.microsofttranslator.com/V2/Soap.svc，LanguageServiceClient是一個(gè)Proxy，提供了一些調(diào)用服務(wù)的方法。下面我們定義一個(gè)對(duì)象

private BTS.LanguageServiceClient proxy;

要使用必應(yīng)的翻譯服務(wù)我們首先必須獲取一個(gè)APP_ID，到http://cn.bing.com/developers/createapp.aspx網(wǎng)站，輸入信息來獲取。我注冊(cè)的ID也可以使用，請(qǐng)看下圖。

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　　接下來我們注冊(cè)事件?

　　proxy.GetLanguagesForTranslateCompleted += new EventHandler<BTS.GetLanguagesForTranslateCompletedEventArgs>(proxy_GetLanguagesForTranslateCompleted);
????? proxy.GetLanguageNamesCompleted += new EventHandler<BTS.GetLanguageNamesCompletedEventArgs>(proxy_GetLanguageNamesCompleted);

????? proxy.TranslateCompleted += new EventHandler<BTS.TranslateCompletedEventArgs>(proxy_TranslateCompleted);

其中GetLanguagesForTranslateCompleted事件有一個(gè)GetLanguagesForTranslateCompletedEventArgs類型的參數(shù)。包含一些從服務(wù)中得到的數(shù)據(jù)，如Language的Code值。

GetLanguageNamesCompleted事件有一個(gè)GetLanguageNamesCompletedEventArgs類型的參數(shù)，包含Language的Name值。

TranslateCompleted事件將我們輸入原語(yǔ)言的數(shù)據(jù)翻譯為目標(biāo)語(yǔ)言的數(shù)據(jù)。

private void PhoneApplicationPage_Loaded(object sender, RoutedEventArgs e)
{
proxy.GetLanguagesForTranslateCompleted += new EventHandler<BTS.GetLanguagesForTranslateCompletedEventArgs>(proxy_GetLanguagesForTranslateCompleted);
proxy.GetLanguageNamesCompleted += new EventHandler<BTS.GetLanguageNamesCompletedEventArgs>(proxy_GetLanguageNamesCompleted);
proxy.TranslateCompleted += new EventHandler<BTS.TranslateCompletedEventArgs>(proxy_TranslateCompleted);

proxy.GetLanguagesForTranslateAsync(APP_ID);
}

public void proxy_GetLanguagesForTranslateCompleted(object sender, BTS.GetLanguagesForTranslateCompletedEventArgs e)
{
codes = e.Result.ToList();

proxy.GetLanguageNamesAsync(APP_ID, "en", e.Result);
}

public void proxy_GetLanguageNamesCompleted(object sender, BTS.GetLanguageNamesCompletedEventArgs e)
{
names = e.Result.ToList();
loadLanguages();
}

public void proxy_TranslateCompleted(object sender, BTS.TranslateCompletedEventArgs e)
{
txtTarget.Text = e.Result;
}

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?現(xiàn)在給ListBox對(duì)象綁定數(shù)據(jù)

private void loadLanguages()
{
for (int index = 0; index < codes.Count; index++)
{
languages.Add(new Language
{
Code = codes[index],
Name = names[index]
});
}

lbxFrom.ItemsSource = languages;
lbxTo.ItemsSource = languages;
}

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?定義Translate()方法來完成翻譯

private void Translate()
{
if (lbxFrom.SelectedItem == null || lbxTo.SelectedItem == null)
{
MessageBox.Show("請(qǐng)先選擇語(yǔ)言","提示",MessageBoxButton.OK);

return;
}

if (this.txtOrign.Text.Trim().Length==0)
{
MessageBox.Show("請(qǐng)先輸入要翻譯的單詞或語(yǔ)句","提示",MessageBoxButton.OK);

return;
}
else
{
Language from = lbxFrom.SelectedItem as Language;
Language to = lbxTo.SelectedItem as Language;

proxy.TranslateAsync(APP_ID, txtOrign.Text, from.Code, to.Code);
}
}
}

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完整MainPage.xaml代碼

<phone:PhoneApplicationPage
x:Class="BingTranslatorService.MainPage"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:phone="clr-namespace:Microsoft.Phone.Controls;assembly=Microsoft.Phone"
xmlns:shell="clr-namespace:Microsoft.Phone.Shell;assembly=Microsoft.Phone"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
mc:Ignorable="d" d:DesignWidth="480" d:DesignHeight="768"
FontFamily="{StaticResource PhoneFontFamilyNormal}"
FontSize="{StaticResource PhoneFontSizeNormal}"
Foreground="{StaticResource PhoneForegroundBrush}"
SupportedOrientations="Portrait" Orientation="Portrait"
shell:SystemTray.IsVisible="True">

<!--LayoutRoot is the root grid where all page content is placed-->
<Grid x:Name="LayoutRoot" Background="Transparent">
<Grid.RowDefinitions>
<RowDefinition Height="Auto"/>
<RowDefinition Height="*"/>
</Grid.RowDefinitions>

<!--ContentPanel - place additional content here-->
<Grid x:Name="ContentPanel" Grid.Row="1" Margin="12,0,12,0">
<ScrollViewer>
<StackPanel Orientation="Vertical">
<TextBlock FontSize="30">源語(yǔ)言:</TextBlock>
<ListBox x:Name="lbxFrom" Height="160" Margin="0,10,0,10" Width="440" HorizontalAlignment="Left">
<ListBox.ItemTemplate>
<DataTemplate>
<TextBlock Text="{Binding Name}" FontSize="30"></TextBlock>
</DataTemplate>
</ListBox.ItemTemplate>
</ListBox>
<TextBox Name="txtOrign" Text="" FontSize="25" TextWrapping="Wrap" Height="160" HorizontalAlignment="Left" Width="440"/>
<TextBlock FontSize="30">目標(biāo)語(yǔ)言:</TextBlock>
<ListBox x:Name="lbxTo" Height="160" Margin="0,10,0,10" Width="440" HorizontalAlignment="Left">
<ListBox.ItemTemplate>
<DataTemplate>
<TextBlock Text="{Binding Name}" FontSize="30"></TextBlock>
</DataTemplate>
</ListBox.ItemTemplate>
</ListBox>
<Button Name="btnTranslate" Content="翻譯"
Click="btnTranslate_Click" />
<TextBox Name="txtTarget" IsReadOnly="True" FontSize="30" TextWrapping="Wrap" Height="160" HorizontalAlignment="Left" Width="440"/>
</StackPanel>
</ScrollViewer>

</Grid>
</Grid>

</phone:PhoneApplicationPage>
</UserControl>

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完整MainPage.csl代碼

using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;
using Microsoft.Phone.Controls;

namespace BingTranslatorService
{
public partial class MainPage : PhoneApplicationPage
{
private List<string> codes;
private List<string> names;
private List<Language> languages;
private BTS.LanguageServiceClient proxy;

//http://cn.bing.com/developers/createapp.aspx
private readonly string APP_ID = "3DAEE5B978BA031557E739EE1E2A68CB1FAD5909";
public MainPage()
{
InitializeComponent();
codes = new List<string>();
names = new List<string>();
languages = new List<Language>();
proxy = new BTS.LanguageServiceClient();
this.Loaded += new RoutedEventHandler(PhoneApplicationPage_Loaded);
}

private void btnTranslate_Click(object sender, RoutedEventArgs e)
{
Translate();
}

private void PhoneApplicationPage_Loaded(object sender, RoutedEventArgs e)
{
proxy.GetLanguagesForTranslateCompleted += new EventHandler<BTS.GetLanguagesForTranslateCompletedEventArgs>(proxy_GetLanguagesForTranslateCompleted);
proxy.GetLanguageNamesCompleted += new EventHandler<BTS.GetLanguageNamesCompletedEventArgs>(proxy_GetLanguageNamesCompleted);
proxy.TranslateCompleted += new EventHandler<BTS.TranslateCompletedEventArgs>(proxy_TranslateCompleted);

proxy.GetLanguagesForTranslateAsync(APP_ID);
}

public void proxy_GetLanguagesForTranslateCompleted(object sender, BTS.GetLanguagesForTranslateCompletedEventArgs e)
{
codes = e.Result.ToList();

proxy.GetLanguageNamesAsync(APP_ID, "en", e.Result);
}

public void proxy_GetLanguageNamesCompleted(object sender, BTS.GetLanguageNamesCompletedEventArgs e)
{
names = e.Result.ToList();
loadLanguages();
}

public void proxy_TranslateCompleted(object sender, BTS.TranslateCompletedEventArgs e)
{
txtTarget.Text = e.Result;
}

private void loadLanguages()
{
for (int index = 0; index < codes.Count; index++)
{
languages.Add(new Language
{
Code = codes[index],
Name = names[index]
});
}

lbxFrom.ItemsSource = languages;
lbxTo.ItemsSource = languages;
}



private void Translate()
{
if (lbxFrom.SelectedItem == null || lbxTo.SelectedItem == null)
{
MessageBox.Show("請(qǐng)先選擇語(yǔ)言", "提示", MessageBoxButton.OK);

return;
}

if (this.txtOrign.Text.Trim().Length == 0)
{
MessageBox.Show("請(qǐng)先輸入要翻譯的單詞或語(yǔ)句", "提示", MessageBoxButton.OK);

return;
}
else
{
Language from = lbxFrom.SelectedItem as Language;
Language to = lbxTo.SelectedItem as Language;

proxy.TranslateAsync(APP_ID, txtOrign.Text, from.Code, to.Code);
}
}
}
}
</UserControl>

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