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Xamarin.Android 入门实例（2）之实现WCF 寄宿于IIS 的Web服务提供
1.WCF 契约 ICalculator.cs
1 using System.ServiceModel; 2 namespace Contracts 3 { 4 [ServiceContract] 5 public interface ICalculator 6 { 7 /// <summary> 8 /// 加法 9 /// </summary>10 /// <param name="x"></param>11 /// <param name="y"></param>12 /// <returns></returns>13 [OperationContract]14 [DataContractFormat(Style = OperationFormatStyle.Rpc)]15 double AddDouble(double x, double y);16 17 /// <summary>18 /// 加法19 /// </summary>20 /// <param name="num1">第一个数</param>21 /// <param name="num2">第二个数</param>22 /// <param name="num">结果</param>23 /// <returns></returns>24 [OperationContract]25 [DataContractFormat(Style = OperationFormatStyle.Rpc)]26 string Add(double num1, double num2, ref double num);27 28 29 /// <summary>30 /// 减法31 /// </summary>32 /// <param name="num1">第一个数</param>33 /// <param name="num2">第二个数</param>34 /// <param name="num">结果</param>35 /// <returns></returns>36 [OperationContract]37 [DataContractFormat(Style = OperationFormatStyle.Rpc)]38 string Reduce(double num1, double num2, ref double num);39 40 41 42 /// <summary>43 /// 乘法44 /// </summary>45 /// <param name="num1">第一个数</param>46 /// <param name="num2">第二个数</param>47 /// <param name="num">结果</param>48 /// <returns></returns>49 [OperationContract]50 [DataContractFormat(Style = OperationFormatStyle.Rpc)]51 string Multiplication(double num1, double num2, ref double num);52 53 54 /// <summary>55 /// 除法56 /// </summary>57 /// <param name="num1">第一个数</param>58 /// <param name="num2">第二个数</param>59 /// <param name="num">结果</param>60 /// <returns></returns>61 [OperationContract]62 [DataContractFormat(Style = OperationFormatStyle.Rpc)]63 string Division(double num1, double num2, ref double num);64 65 }66 67 68 }
注意：
在客户端添加Web引用时为避免额外的布尔值参数被使用，确保代理客户端强制执行时使用的RPC风格的编码，这是SOAP 1.1规范的一部分。
请参考随笔：
Web Reference for a WCF Service has Extra “IdSpecified” Parameter ?
http://www.cnblogs.com/mschen/p/4262090.html
2. 服务实现 CalculatorService.cs
1 using System; 2 using System.Collections.Generic; 3 using System.Text; 4 using Contracts; 5 6 namespace Services 7 { 8 public class CalculatorService : ICalculator 9 { 10 /// <summary> 11 /// 加法 12 /// </summary> 13 /// <param name="x"></param> 14 /// <param name="y"></param> 15 /// <returns></returns> 16 public double AddDouble(double x, double y) 17 { 18 return x + y; 19 } 20 21 /// <summary> 22 /// 加法 23 /// </summary> 24 /// <param name="num1">第一个数</param> 25 /// <param name="num2">第二个数</param> 26 /// <param name="num">结果</param> 27 /// <returns></returns> 28 /// 29 public string Add(double num1, double num2, ref double num) 30 { 31 try 32 { 33 num = num1 + num2; 34 return "1"; 35 } 36 catch (Exception ex) 37 { 38 return ex.ToString(); 39 } 40 } 41 42 /// <summary> 43 /// 减法 44 /// </summary> 45 /// <param name="num1">第一个数</param> 46 /// <param name="num2">第二个数</param> 47 /// <param name="num">结果</param> 48 /// <returns></returns> 49 public string Reduce(double num1, double num2, ref double num) 50 { 51 try 52 { 53 num = num1 - num2; 54 return "1"; 55 } 56 catch (Exception ex) 57 { 58 return ex.ToString(); 59 } 60 } 61 62 63 /// <summary> 64 /// 乘法 65 /// </summary> 66 /// <param name="num1">第一个数</param> 67 /// <param name="num2">第二个数</param> 68 /// <param name="num">结果</param> 69 /// <returns></returns> 70 public string Multiplication(double num1, double num2, ref double num) 71 { 72 try 73 { 74 num = num1 * num2; 75 return "1"; 76 } 77 catch (Exception ex) 78 { 79 return ex.ToString(); 80 } 81 } 82 83 /// <summary> 84 /// 除法 85 /// </summary> 86 /// <param name="num1">第一个数</param> 87 /// <param name="num2">第二个数</param> 88 /// <param name="num">结果</param> 89 /// <returns></returns> 90 public string Division(double num1, double num2, ref double num) 91 { 92 try 93 { 94 num = num1 / num2; 95 return "1"; 96 } 97 catch (Exception ex) 98 { 99 return ex.ToString();100 }101 }102 103 }104 }
3.IIS 创建文件CalculatorService.svc
1 <%@ServiceHost Service="Services.CalculatorService"%>
4.IIS 寄宿服务配置，基于basicHttpBinding绑定 Web.config
1 <?xml version="1.0"?> 2 <configuration> 3 <system.serviceModel> 4 <behaviors> 5 <serviceBehaviors> 6 <behavior name="CalculatorBehavior"> 7 <serviceMetadata httpGetEnabled="true"/> 8 </behavior> 9 </serviceBehaviors>10 </behaviors>11 <serviceHostingEnvironment multipleSiteBindingsEnabled="true" />12 <services>13 <service behaviorConfiguration="CalculatorBehavior" name="Services.CalculatorService">14 <endpoint address="" binding="basicHttpBinding" bindingConfiguration=""15 contract="Contracts.ICalculator" />16 <host>17 <baseAddresses>18 <add baseAddress="http://192.168.1.2:8080/CalculatorService.svc" />19 </baseAddresses>20 </host>21 </service>22 </services>23 </system.serviceModel>24 <system.web>25 <compilation debug="true"/>26 </system.web>27 </configuration>
注意:为了保证 soap:address location 和wsdl:import location 显示和url里面的ip或者域名是一致请使用：<serviceHostingEnvironment multipleSiteBindingsEnabled="true" /> ,multipleSiteBindingsEnabled 是.net framework 4里面支持的特性，如果版本低于4，例如3.5 那么就要根据IIS binding来设置baseAddress.
5.Main.axml 视图
1 <?xml version="1.0" encoding="utf-8"?> 2 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" 3 android:layout_width="fill_parent" 4 android:layout_height="fill_parent"> 5 <EditText 6 android:id="@+id/txtPhoneNo" 7 android:layout_width="304.0dp" 8 android:phoneNumber="true" 9 android:hint="请输入第一个数"10 android:layout_height="wrap_content"11 android:layout_marginTop="5px"12 android:layout_marginLeft="5px" />13 <EditText14 android:id="@+id/txtSMS"15 android:layout_width="313.3dp"16 android:layout_height="40.0dp"17 android:phoneNumber="true"18 android:gravity="top"19 android:hint="请输入第二个数"20 android:layout_below="@id/txtPhoneNo" />21 <Button22 android:id="@+id/btnadd"23 android:text="加"24 android:layout_width="69dp"25 android:layout_height="wrap_content"26 android:layout_below="@id/txtSMS" />27 <Button28 android:id="@+id/btnjian"29 android:text="减"30 android:layout_width="69dp"31 android:layout_height="wrap_content"32 android:layout_below="@id/txtSMS"33 android:layout_toRightOf="@id/btnadd" />34 <Button35 android:id="@+id/btncheng"36 android:text="乘"37 android:layout_width="69dp"38 android:layout_height="wrap_content"39 android:layout_below="@id/txtSMS"40 android:layout_toRightOf="@id/btnjian" />41 <Button42 android:id="@+id/btnchu"43 android:text="除"44 android:layout_width="69dp"45 android:layout_height="wrap_content"46 android:layout_below="@id/txtSMS"47 android:layout_toRightOf="@id/btncheng" />48 <EditText49 android:id="@+id/txtjieguo"50 android:layout_width="fill_parent"51 android:layout_height="40.7dp"52 android:gravity="top"53 android:hint=""54 android:layout_below="@id/btnchu" />55 </RelativeLayout>
6.Activity1.cs
using System;using Android.App;using Android.Content;using Android.Runtime;using Android.Views;using Android.Widget;using Android.OS;namespace Databasedemo{ [Activity(Label = "Databasedemo", MainLauncher = true, Icon = "@drawable/icon")] public class Activity1 : Activity { EditText tvjg; EditText num1; EditText num2; double num = 0; protected override void OnCreate(Bundle bundle) { base.OnCreate(bundle); // Set our view from the "main" layout resource SetContentView(Resource.Layout.Main); //加 Button btnadd = FindViewById<Button>(Resource.Id.btnadd); //减 Button btnjian = FindViewById<Button>(Resource.Id.btnjian); //乘 Button btncheng = FindViewById<Button>(Resource.Id.btncheng); //除 Button btnchu = FindViewById<Button>(Resource.Id.btnchu); //第一个数 num1 = FindViewById<EditText>(Resource.Id.txtPhoneNo); //第二个数 num2 = FindViewById<EditText>(Resource.Id.txtSMS); //结果 tvjg = FindViewById<EditText>(Resource.Id.txtjieguo); var ca = new WebReference.CalculatorService(); btnadd.Click += delegate { double num1s = Convert.ToDouble(num1.Text.ToString()); double num2s = Convert.ToDouble(num2.Text.ToString()); string flag = ca.Add(num1s, num2s, ref num); tvjg.Text = num1s.ToString() + "+" + num2s.ToString() + "=" + num.ToString(); }; btnjian.Click += delegate { double num1s = Convert.ToDouble(num1.Text.ToString()); double num2s = Convert.ToDouble(num2.Text.ToString()); string flag = ca.Reduce(num1s, num2s, ref num); tvjg.Text = num1s.ToString() + "-" + num2s.ToString() + "=" + num.ToString(); }; btncheng.Click += delegate { double num1s = Convert.ToDouble(num1.Text.ToString()); double num2s = Convert.ToDouble(num2.Text.ToString()); string flag = ca.Division(num1s, num2s, ref num); tvjg.Text = num1s.ToString() + "*" + num2s.ToString() + "=" + num.ToString(); }; btnchu.Click += delegate { double num1s = Convert.ToDouble(num1.Text.ToString()); double num2s = Convert.ToDouble(num2.Text.ToString()); string flag = ca.Multiplication(num1s, num2s, ref num); tvjg.Text = num1s.ToString() + "/" + num2s.ToString() + "=" + num.ToString(); }; } }}
模拟器
运行效果
源码下载：
WCFforIIS.zip
Databasedemo.zip
Xamarin.Android 入门实例（2）之实现WCF 寄宿于IIS 的Web服务提供
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