第一章 章标题－F2 上空24，下空24

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1 Web 9 XML.NET Web Web Service Web Service Web Service Web Service Web Service ASP.NET Session Application SOAP Web Service 9.1 Web Web.NET Web Service Web SOAP Simple Object Access Protocol Web Web Web Web XML XML Web SOAP SOAP XML SOAP Web Web WSDL Web Service Description Language Web UDDI Universal Description, Discovery and Integration WSDL Web Web Web WSDL SOAP HTTP GET POST UDDI Web UDDI SOAP UDDI UDDI XML Web

2 9.2 Web Web Web.NET Web asmx C# [WebMethod] 9-01.asmx Web 9-01.asmx WebService Language="c#" Class="Greetings"%> using System.Web.Services; public class Greetings{ [WebMethod] public string Hello(string strname) { return "hello,"+strname+",have a great day!"; Web C# Greetings Web Greetings Hello string strname string Web 9-01.asmx ASP.NET Web

3 Web Greetings Hello Web XML Web XML Web Web EJB Enterprise JavaBean CORBA Common Object Request Broker Architecture DCOM Distributed Component Object Model Web Web Web Web Web UDDI WSDL Web Web WSDL WSDL.exe 9-02.bat 9-02.bat

4 wsdl.exe /l:cs /n:ser_cs pause 9-01.asmx /l /n wsdl.exe Greetings.cs NET Web Dynamic Link Library DLL bin 9-03.bat 9-03.bat csc /out:bin\greetings.dll /t:library /r:system.data.dll /r:system.web.services.dll Greetings.cs pause bin Greetings.dll 9-6

5 9-6 bin Greetings.dll bin Web ASP.NET 9-04.aspx ASP.NET Web 9-04.aspx language="c#" %> Import Namespace="Ser_cs" %> <script runat="server"> void Page_load(object sender,eventargs e){ Greetings k = new Greetings(); Message.Text="Web Service <br>" + k.hello(" "); </script> <asp:label id="message" runat="server" /> Import Namespace="Ser_cs".NET bin ASP.NET

6 Web Web HTTP Visual Studio.NET ASP.NET Web ASP.NET Web Web Web HTTP HTTP Web Form 9-05.txt

7 Web 9-05.txt private void Button1_Click(object sender, System.EventArgs e){ localhost.greetings g = new localhost.greetings(); string strret = g.hello(" "); Response.Write(strRet); Web Web 9.3 Web Web Service XML 9-1 SOAP Web Service 9-1 Web Service String Char Byte Boolean Int16 Int32 Int64 UInt16 UInt32 UInt64 Single Double Guid Decimal DateTime public enum color { red=1, blue=2 string[] int[] class ADO.NET DataSet DataSet

8 9.3.1 Web Web Service 9-06.asmx Web Service 9-06.asmx WebService Language="C#" Class="DataTypes" %> using System; using System.Web.Services; public enum Mode{ On = 1, Off = 2 public class Order{ public int OrderID; public double Price; public class DataTypes { [WebMethod] public String SayHello() { return "Hello World!"; [WebMethod] public String SayHelloName(String name) { return "Hello" + name; [WebMethod] public int[] GetIntArray() { int[] a = new int[5]; for (int i=0; i<5; i++) a[i] = i*10; return a; [WebMethod] public Mode GetMode() { return Mode.Off; [WebMethod] public Order GetOrder() {

9 Order myorder = new Order(); myorder.price=34.5; myorder.orderid = ; return myorder; [WebMethod] public Order[] GetOrders() { Order [] myorder = new Order[2]; myorder[0] = new Order(); myorder[0].price=34.5; myorder[0].orderid = ; myorder[1] = new Order(); myorder[1].price=99.4; myorder[1].orderid = ; return myorder; Web Web Service SayHello SayHelloName GetIntArray GetMode GetOrder GetOrders Order 9-07.bat

10 9-07.bat wsdl.exe /l:cs /n:datatypes csc /out:bin\datatypes.dll /t:library /r:system.data.dll /r:system.web.services.dll DataTypes.cs pause bin ASP.NET 9-08.aspx Web Service 9-08.aspx language="c#" %> Import Namespace="DataTypes" %> <script runat="server"> public void Page_Load(Object sender, EventArgs E) { DataTypes d = new DataTypes (); Message1.InnerHtml = d.sayhello(); Message1.InnerHtml = Message1.InnerHtml + d.sayhelloname("bob"); Message3.InnerHtml = Message3.InnerHtml + d.getmode(); int[] myintarray = d.getintarray(); String mystring = "Contents of the Array:<BR>"; for( int i=0; i<myintarray.length; i++) { mystring = mystring + myintarray[i] + "<BR>"; Message2.InnerHtml = Message2.InnerHtml + mystring; Order myorder = d.getorder(); Message4.InnerHtml = Message4.InnerHtml + "<BR>OrderID: " + myorder.orderid;

11 Message4.InnerHtml = Message4.InnerHtml + "<BR>Price: " + myorder.price; Order[] myorders = d.getorders(); for( int i=0; i<myorders.length; i++) { if ( i > 0 ) { Message5.InnerHtml += "<BR>"; Message5.InnerHtml += "<BR>Order#: " + i; Message5.InnerHtml += "<BR>OrderID: " + myorders[i].orderid; Message5.InnerHtml += "<BR>Price: " + myorders[i].price; </script> <div id="message1" runat="server"/> <div id="message2" runat="server"/> <div id="message3" runat="server"/> <div id="message4" runat="server"/> <div id="message5" runat="server"/> Web Service Web Service 9.4 Web ASP.NET Web ASP.NET Session Application 9-09.asmx Session Application

12 9-09.asmx WebService Language="C#" Class="SessionService1" %> using System; using System.Web.Services; public class SessionService1 : WebService { [ WebMethod(EnableSession=true) ] public String UpdateHitCounter() { if (Session["HitCounter"] == null) { else { Session["HitCounter"] = 1; Session["HitCounter"] = ((int) Session["HitCounter"]) + 1; return " Web (Session) " + Session["HitCounter"].ToString() + " "; [ WebMethod(EnableSession=false)] public String UpdateAppCounter() { if (Application["HitCounter"] == null) { else { Application["HitCounter"] = 1; Application["HitCounter"] = ((int) Application["HitCounter"]) + 1; return " Web (Applicaton)" + Application["HitCounter"].ToString() + " "; Web Session Application [ WebMethod(EnableSession=false)] 9-16

13 bat 9-10.bat wsdl.exe /l:cs /n:sessionservice1 csc /out:bin\sessionservice1.dll /t:library /r:system.data.dll SessionService1.cs pause 9-17 /r:system.web.services.dll 9-17 ASP.NET Web ASP.NET 9-11.aspx 9-11.aspx language="c#" %> Import Namespace="System.Net" %> Import Namespace="SessionService1" %> <script runat="server"> public void Page_Load(Object sender, EventArgs E) { SessionService1 s = new SessionService1(); s.cookiecontainer = new CookieContainer(); Message1.InnerHtml = s.updatehitcounter() + "<BR>" + s.updatehitcounter() + "<BR>" + s.updatehitcounter(); Message2.InnerHtml = s.updateappcounter() + "<BR>" + s.updateappcounter() + "<BR>" + s.updateappcounter();

14 </script> <body style="font: 10pt verdana"> <H4> Web Session Application</H4> <h5> </h5> <div id="message1" runat="server"/> <h5> </h5> <div id="message2" runat="server"/> Session Application Application s.cookiecontainer = new CookieContainer(); Session CookieContainer SOAP SOAP Web SOAP XML Web SOAP XML Web SOAP SOAP SOAP XML Schema SOAP 3 1 SOAP<Envelope> SOAP 2 SOAP<Header> <Header> SOAP <Header> <Envelope>

15 <Header> 3 SOAP<Body> <Envelope> Envelope <Header> <Envelope> <Header> 9-12.xml SOAP SOAP 9-12.xml <?xml version="1.0" encoding="utf-8"?> <soap:envelope xmlns:soap=" <soap:header> <MyHeader xmlns=" <Username>Admin</Username> <Password>MyPassword</Password> </MyHeader> </soap:header> <soap:body> <MyWebMethod xmlns=" /> </soap:body> </soap:envelope> IE5 SOAP XML XML SOAP 9-19 SOAP Web SOAP SOAP SoapHeader

16 SOAP SoapHeader SoapHeaer Username Password public class AuthHeaderCS : SoapHeader { public string Username; public string Password; SOAP SOAP Web SOAP 1 Web SOAP [WebService(Description="Simple sample to demonstrate use of SOAP Headers")] public class HeaderService { public AuthHeaderCS sheader; 2 Web SoapHeader [WebMethod(Description="This method requires a custom soap header set by the caller")] [SoapHeader("sHeader")] public string SecureMethod() { 3 SoapHeader Web public string SecureMethod() { if (sheader == null) return "ERROR: Please supply credentials"; string usr = sheader.username; string pwd = sheader.password; 9-13.asmx SOAP SOAP 9-13.asmx <%@ WebService Language="C#" Class="SoapHeadersCS.HeaderService" %> using System; using System.Web.Services; using System.Web.Services.Protocols; namespace SoapHeadersCS { public class AuthHeaderCS : SoapHeader { public string Username; public string Password;

17 public class HeaderService { public AuthHeaderCS sheader; [WebMethod][SoapHeader("sHeader")] public string SecureMethod() { if (sheader == null) return " "; string usr = sheader.username; string pwd = sheader.password; if (AuthenticateUser(usr, pwd)) { else { return " " + usr + "," + pwd; return " "; private bool AuthenticateUser(string usr, string pwd) { if ((usr!= null)&&(pwd!= null)) { return true; return false; Web Service SOAP Web 9-14.bat 9-14.bat

18 wsdl.exe /l:cs /n:soapheaders csc /out:bin\soapheaders.dll /t:library /r:system.data.dll /r:system.web.services.dll HeaderService.cs pause aspx Web Service SOAP SOAP 9-15.aspx language="c#" %> Import Namespace="soapheaders" %> <script runat="server"> public void Page_Load(Object sender, EventArgs e) { HeaderService h = new HeaderService(); Response.Write(" <p>"); try { Response.Write(h.SecureMethod() + "<p>"); catch (Exception ex) { </script> Response.Write(" <pre>" + ex.stacktrace + "</pre><p>"); AuthHeaderCS myheader = new AuthHeaderCS(); myheader.username = "JohnDoe"; myheader.password = "password"; h.authheadercsvalue = myheader; Response.Write(" <p><pre>" + h.securemethod() + "</pre>");

19 SOAP 9.6 Web Web Web System.Data 9-16.asmx Web XML Web Web Web 9-16.asmx webservice Language="c#" Class="DBSrc" %> using System; using System.Web; using System.Web.Services; using System.Data; using System.Data.OleDb; public class DBSrc:WebService { [WebMethod()]public DataSet GetACCData(string TBName,string tiaojian1){ string x = Server.MapPath("person.mdb"); string f = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + x; OleDbConnection ACConn = new OleDbConnection(f); DataSet DS = new DataSet(); string k = "SELECT * From " + TBName+" where like '%"+tiaojian1+"%'"; OleDbDataAdapter NComm = new OleDbDataAdapter(k, ACConn); NComm.Fill(DS, TBName); return DS;

20 OleDb Access person.mdb Web Web Web grade Web DataSet DataSet XML DataSet

21 DataSet Schema XML Web 9-17.bat 9-17.bat wsdl.exe /l:c# /n:dbservice_cs csc /out:bin\dbsrc.dll /t:library /r:system.data.dll /r:system.web.services.dll DBSrc.cs Pause aspx.NET 9-18.aspx language="c#" %> Namespace="System.Data"%> Namespace="System.Data.OleDb"%> Import Namespace="DBService_cs" %> <Script runat="server"> void submit_click(object sender,eventargs e) { DBService_cs.DBSrc DBS = new DBService_cs.DBSrc(); DataSet ds = DBS.GetACCData("grade",mytext.Text); DataView s=new DataView(ds.Tables["grade"]); dg.datasource=s; dg.databind(); </script> <br> <form name="myform" runat="server">

22 <asp:textbox id="mytext" size="50" runat="server"/><br> <asp:button id="submit" onclick=submit_click runat="server" Text=" "> </asp:button><br> <asp:label id="message" runat="server"/><br> <ASP:DataGrid id="dg" runat="server"/> </form> Web NET Web Web SOAP Web 9-1 Web 9-2 Web 9-3 Web Web 9-5 Web Session Application asmx asmx SQL Server