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¡¡¡¡ µ±ÄãʹÓÃWeb·þÎñÃèÊöÓïÑÔ¹¤¾ß(Wsdl.exe)À´´´½¨ÄãµÄ´úÀíÀàµÄʱºò£¬Ëü²úÉúÀàÖеķ½·¨µÄ±ê×¼µÄ¡¢Í¬²½°æ±¾ºÍÒì²½°æ±¾¡£Òì²½°æ±¾ÓÉÁ½¸ö·½·¨×é³É£¬³ÆÎªBeginºÍEnd¡£Begin·½·¨ÓÃÓÚ³õʼ»¯XML Web·þÎñ£¬¶øEnd·½·¨È¡µÃ½á¹û¡£

¡¡¡¡ ʹÓÃÒ첽ͨÐÅÄܹ»¸ÄÉÆÏµÍ³Ê¹ÓÃÂʺͱÜÃâ¿Í»§¶ËÔÚËüµÈ´ýXML Web·þÎñ½á¹ûµÄʱºòµÄÑÓ³Ù¡£

¡¡¡¡ ÏÂÃæµÄ´úÂëʾÀýÏÔʾÈçºÎ´ÓÒ»¸ö¿Í»§Ó¦ÓóÌÐò²úÉúÒ»¸öµ½XML Web·þÎñµÄÒì²½µ÷Óá£

[C#]
£¼%@ Page Language="C#" %>
£¼%@ Import Namespace="System.Net" %>
£¼html>
£¼script language="C#" runat="server">
void EnterBtn_Click(Object Src, EventArgs E)
{
MyMath.Math math = new MyMath.Math();
// Call to Add XML Web service method asynchronously
// and then wait for it to complete.
IAsyncResult result =
math.BeginAdd(Convert.ToInt32(Num1.Text),
Convert.ToInt32(Num2.Text),
null,
null);
// Wait for asynchronous call to complete.
result.AsyncWaitHandle.WaitOne();
// Complete the asynchronous call to Add XML Web service method.
float total = math.EndAdd(result);
// Display results in a Label control.
Total.Text = "Total: " + total.ToString();
}
£¼/script>
£¼body>
£¼form action="MathClient.aspx" runat=server>
£¼font face="Verdana">
Enter the two numbers you want to add and then press
the Total button.
£¼p>
Number 1:
£¼asp:textbox id="Num1"
runat=server/>
+
Number 2:
£¼asp:textbox id="Num2"
runat=server/>
=
£¼asp:button id="Total_Button"
text="Total"
OnClick="EnterBtn_Click"
runat=server/>
£¼p>
£¼asp:label id="Total" runat=server/>
£¼/font>
£¼/form>
£¼/body>
£¼/html>
[Visual Basic]
£¼%@ Page Language="VB" %>
£¼%@ Import Namespace="System.Net" %>
£¼html>
£¼script language="VB" runat="server">
Sub EnterBtn_Click(Src As Object, E As EventArgs)
Dim math As New MyMath.Math()
' Call to Add XML Web service method asynchronously
' and then wait for it to complete.
Dim result As IAsyncResult = _
math.BeginAdd(Convert.ToInt32(Num1.Text), _
Convert.ToInt32(Num2.Text), _
Nothing, _
Nothing)

' Wait for asynchronous call to complete.
result.AsyncWaitHandle.WaitOne()
' Complete the asynchronous call to Add XML Web service method.
Dim addtotal As Single = math.EndAdd(result)
' Display results in a Label control.
Total.Text = "Total: " & addtotal.ToString()
End Sub
£¼/script>
£¼body>
£¼form action="MathClient.aspx" runat=server>
£¼font face="Verdana">
Enter the two numbers you want to add and then press
the Total button.
£¼p>
Number 1:
£¼asp:textbox id="Num1"
runat=server/>
+
Number 2:
£¼asp:textbox id="Num2"
runat=server/>
=
£¼asp:button id="Total_Button"
text="Total"
OnClick="EnterBtn_Click"
runat=server/>
£¼p>
£¼asp:label id="Total" runat=server/>
£¼/font>
£¼/form>
£¼/body>
£¼/html>

¡¡¡¡ Ïë»ñµÃ¸ü¶à¹ØÓÚÒ첽ͨÐŵÄÐÅÏ¢£¬Çë²ÎÔĺóÃæµÄ"ºÍXML Web·þÎñÒì²½µØÍ¨Ñ¶"¡£
¡¡¡¡ ͨ¹ýÒòÌØÍø²úÉúÐí¶à·þÎñÇëÇó¿ÉÄÜÓ°Ïì¿Í»§Ó¦ÓóÌÐòµÄÐÔÄÜ¡£µ±Éè¼ÆÄãµÄXML Web·þÎñʱ£¬Í¨¹ý´´½¨°ÑÓйØÐÅÏ¢¼¯ÖÐÔÚÒ»ÆðµÄ·½·¨¿ÉÒÔÓÐЧÀûÓ÷þÎñÇëÇó¡£ÀýÈ磬¼Ù¶¨ÄãÓÐÒ»¸öXML Web·þÎñ£¬ÓÃÀ´¼ìË÷Ò»±¾ÊéµÄÐÅÏ¢¡£ÎÒÃÇ¿ÉÒÔ´´½¨Ò»¸öÔÚÒ»Ìõ·þÎñÇëÇóÖзµ»ØËùÓеÄÐÅÏ¢µÄ·½·¨£¬À´´úÌæµ¥¶ÀµÄ¼ìË÷ÊéÃû¡¢×÷Õߺͳö°æÉçµÄ·½·¨¡£Ò»´Î´«ËÍ´ó¿éµÄÐÅÏ¢±È¶à´Î´«ËÍС¿éµÄÐÅÏ¢¸üÓÐЧÂÊ¡£

¡¡¡¡ ÏÂÃæµÄ´úÂëʾÀý½âÊÍÈçºÎ°ÑÓйØÐÅÏ¢×éÖ¯µ½µ¥¸öXML Web·þÎñ·½·¨ÖС£

[C#]
£¼%@ WebService Language="C#" Class="DataService" %>
using System;
using System.Data;
using System.Data.SqlClient;
using System.Web.Services;
public class DataService {
[WebMethod]
public DataSet GetTitleAuthors() {
SqlConnection myConnection = new SqlConnection("Persist Security Info=False;Integrated Security=SSPI;server=localhost;database=pubs");
SqlDataAdapter myCommand1 = new SqlDataAdapter ("select * from Authors", myConnection);
SqlDataAdapter myCommand2 = new SqlDataAdapter("select * from Titles", myConnection);
DataSet ds = new DataSet();
myCommand1.Fill(ds, "Authors");
myCommand2.Fill(ds, "Titles");
return ds;
}
}
[Visual Basic]
£¼%@ WebService Language="VB" Class="DataService" %>
Imports System
Imports System.Data
Imports System.Data.SqlClient
Imports System.Web.Services
Public Class DataService
£¼WebMethod> _
Public Function GetTitleAuthors() As DataSet
Dim myConnection As New SqlConnection("Persist Security Info=False;Integrated Security=SSPI;server=localhost;database=pubs")
Dim myCommand1 As New SqlDataAdapter("select * from Authors", myConnection)
Dim myCommand2 As New SqlDataAdapter("select * from Titles", myConnection)
Dim ds As New DataSet()
myCommand1.Fill(ds, "Authors")
myCommand2.Fill(ds, "Titles")
Return ds
End Function
End Class

¡¡¡¡ µ±Éè¼ÆÄãµÄXML Web·þÎñʱ£¬ÇëÈ·±£Ê¹Óñê×¼µÄÃæÏò¶ÔÏó±à³Ì²Ù×÷¡£Ê¹Ó÷â×°À´Òþ²ØÊµÏÖϸ½Ú¡£¶ÔÓÚ¸ü¸´ÔÓµÄXML Web·þÎñ£¬Äã¿ÉÒÔʹÓü̳кͶà̬ÐÔÀ´ÔÙ´ÎʹÓôúÂë²¢¼ò»¯ÄãµÄÉè¼Æ¡£

¡¡¡¡ ÏÂÃæµÄ´úÂëʾÀýÏÔʾÈçºÎʹÓü̳ÐÀ´´´½¨Ò»¸öÖ´ÐÐÊýѧ¼ÆËãµÄXML Web·þÎñ¡£

[C#]
£¼%@ WebService Language="C#" Class="Add" %>
using System;
using System.Web.Services;
abstract public class MathService : WebService
{
¡¡ [WebMethod]
¡¡ abstract public float CalculateTotal(float a, float b);
}
public class Add : MathService
{
¡¡ [WebMethod]
¡¡ override public float CalculateTotal(float a, float b)
¡¡ {
¡¡¡¡ return a + b;
¡¡ }
}
public class Subtract : MathService
{
¡¡ [WebMethod]
¡¡ override public float CalculateTotal(float a, float b)
¡¡ {
¡¡¡¡ return a - b;
¡¡ }
}
public class Multiply : MathService
{
¡¡ [WebMethod]
¡¡ override public float CalculateTotal(float a, float b)
¡¡ {
¡¡¡¡ return a * b;
¡¡ }
}
public class Divide : MathService
{
¡¡ [WebMethod]
¡¡ override public float CalculateTotal(float a, float b)
¡¡ {
¡¡¡¡ if (b==0)
¡¡¡¡¡¡ return -1;
¡¡¡¡ else
¡¡¡¡¡¡ return a / b;
¡¡ }
}
[Visual Basic]
£¼%@ WebService Language="VB" Class="Add" %>
Imports System
Imports System.Web.Services
MustInherit Public Class MathService : Inherits WebService
£¼WebMethod> _
Public MustOverride Function CalculateTotal(a As Single, _
b As Single) As Single
End Class
Public Class Add : Inherits MathService
£¼WebMethod> Public Overrides Function CalculateTotal(a As Single, b As Single) As Single
Return a + b
End Function
End Class
Public Class Subtract : Inherits MathService
£¼WebMethod> Public Overrides Function CalculateTotal(a As Single, b As Single) As Single
Return a - b
End Function
End Class
Public Class Multiply : Inherits MathService
£¼WebMethod> Public Overrides Function CalculateTotal(a As Single, b As Single) As Single
Return a * b
End Function
End Class
Public Class Divide : Inherits MathService
£¼WebMethod> Public Overrides Function CalculateTotal(a As Single, b As Single) As Single
¡¡ If b = 0 Then
¡¡¡¡ Return - 1
¡¡ Else
¡¡¡¡ Return a / b
¡¡ End If
End Function
End Class

¡¡¡¡ ʹÓÃÊä³ö»º³åÀ´¸ÄÉÆÄãµÄXML Web·þÎñµÄÐÔÄÜ¡£µ±Êä³ö»º³å¿ªÆôʱ£¬·þÎñÇëÇóµÄ½á¹û±»±£´æÔÚÊä³ö»º³åÖÐÒ»¶ÎÖ¸¶¨µÄʱ¼ä¡£Èç¹ûÒ»¸öÀàËÆµÄXML Web·þÎñÇëÇó±»²úÉú£¬½á¹û¿ÉÒÔ´Ó»º³åÖÐÈ¡µÃ£¬¶ø²»ÓÃÖØÐ¼ÆËã¡£ÕâÑù¾Íͨ¹ý¼õÉÙXML Web·þÎñ·þÎñÆ÷ËùÐèµÄ´¦ÀíÀ´¸ÄÉÆÁËXML Web·þÎñµÄ·´À¡Ê±¼ä¡£¸ßËÙ»º´æ¿ÉÔÚ¿Í»§¶ËºÍ·þÎñÆ÷Á½ÕßÉÏÖ´ÐС£DurationÊôÐÔÔÊÐíÄãÖ¸¶¨¸ßËÙ»º³å±£´æXML Web·þÎñÊä³öµÄʱ¼ä¡£

¡¡¡¡ ÔÚ¿Í»§¶ËÉÏʹÓÃÊä³ö¸ßËÙ»º³åµÄÖ¸ÁîÊÇ£º

£¼%@ OutputCache Duration="60" %>

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