Asp.Net 动态调用WebServices解决方案
标签：des cWeb style blog class code
放狗搜索动态调用webservices
的类，太多。问题挺纠结的。公司需要net调用java的webservices接口，蛋疼的是java端的接口，全部传入String类型的数据。蛋疼啊，接口你不编写成传递参数的形式就算了，尼玛，传递的对象是String(把xml格式化成string类型，在使用报文发送)，返回也是String，我纳闷了。按照这个思路，Java端接收报文数据使用Object，返回Object，接口的兼容性岂不是提高了狠多？偏题了。。。
1.webservices动态类代码
using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Services;
using System.Web.Services.Protocols;
using System.Xml.Linq;
using System.IO;
using System.Net;
using System.CodeDom;
using System.CodeDom.Compiler;
using System.Web.Services.Description;
using System.Xml.Serialization;
using System.Web.Services.Discovery;
using System.Xml.Schema;
using System.Text;
using System.Security.Cryptography;
using System.Reflection;
using System.Collections.Generic;
using System.Xml;
namespace WebUI.Common
{
///
/// SynProductsServices 的摘要说明
///
[WebService(Namespace = "http://tempuri.org/")]
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
[ToolboxItem(false)]
public class SynProductsServices : System.Web.Services.WebService
{
public SynProductsServices() { }
#region 私有变量和属性定义
///
/// web服务地址
///
private string _wsdlUrl = string.Empty;
///
/// web服务名称
///
private string _wsdlName = string.Empty;
///
/// 代理类命名空间
///
private string _wsdlNamespace = "FrameWork.WebService.DynamicWebServiceCalling.{0}";
///
/// 代理类类型名称
///
private Type _typeName = null;
///
/// 程序集名称
///
private string _assName = string.Empty;
///
/// 代理类所在程序集路径
///
private string _assPath = string.Empty;
///
/// 代理类的实例
///
private object _instance = null;
///
/// 代理类的实例
///
private object Instance
{
get
{
if (_instance == null)
{
_instance = Activator.CreateInstance(_typeName);
return _instance;
}
else
return _instance;
}
}
#endregion
#region 构造函数
public SynProductsServices(string wsdlUrl)
{
this._wsdlUrl = wsdlUrl;
string wsdlName = SynProductsServices.getWsclassName(wsdlUrl);
this._wsdlName = wsdlName;
this._assName = string.Format(_wsdlNamespace, wsdlName);
this._assPath = Path.GetTempPath() + this._assName + getMd5Sum(this._wsdlUrl) + ".dll";
this.CreateServiceAssembly();
}
public SynProductsServices(string wsdlUrl, string wsdlName)
{
this._wsdlUrl = wsdlUrl;
this._wsdlName = wsdlName;
this._assName = string.Format(_wsdlNamespace, wsdlName);
this._assPath = Path.GetTempPath() + this._assName + getMd5Sum(this._wsdlUrl) + ".dll";
this.CreateServiceAssembly();
}
#endregion
#region 得到WSDL信息，生成本地代理类并编译为DLL，构造函数调用，类生成时加载
///
/// 得到WSDL信息，生成本地代理类并编译为DLL
///
private void CreateServiceAssembly()
{
if (this.checkCache())
{
this.initTypeName();
return;
}
if (string.IsNullOrEmpty(this._wsdlUrl))
{
return;
}
try
{
//使用WebClient下载WSDL信息
WebClient web = new WebClient();
Stream stream = web.OpenRead(this._wsdlUrl);
ServiceDescription description = ServiceDescription.Read(stream);//创建和格式化WSDL文档
ServiceDescriptionImporter importer = new ServiceDescriptionImporter();//创建客户端代理代理类
importer.ProtocolName = "Soap";
importer.Style = ServiceDescriptionImportStyle.Client; //生成客户端代理
importer.CodeGenerationOptions = CodeGenerationOptions.GenerateProperties | CodeGenerationOptions.GenerateNewAsync;
importer.AddServiceDescription(description, null, null);//添加WSDL文档
//使用CodeDom编译客户端代理类
CodeNamespace nmspace = new CodeNamespace(_assName); //为代理类添加命名空间
CodeCompileUnit unit = new CodeCompileUnit();
unit.Namespaces.Add(nmspace);
this.checkForImports(this._wsdlUrl, importer);
ServiceDescriptionImportWarnings warning = importer.Import(nmspace, unit);
CodeDomProvider provider = CodeDomProvider.CreateProvider("CSharp");
CompilerParameters parameter = new CompilerParameters();
parameter.ReferencedAssemblies.Add("System.dll");
parameter.ReferencedAssemblies.Add("System.XML.dll");
parameter.ReferencedAssemblies.Add("System.Web.Services.dll");
parameter.ReferencedAssemblies.Add("System.Data.dll");
parameter.GenerateExecutable = false;
parameter.GenerateInMemory = false;
parameter.IncludeDebugInformation = false;
CompilerResults result = provider.CompileAssemblyFromDom(parameter, unit);
provider.Dispose();
if (result.Errors.HasErrors)
{
string errors = string.Format(@"编译错误:{0}错误！", result.Errors.Count);
foreach (CompilerError error in result.Errors)
{
errors += error.ErrorText;
}
throw new Exception(errors);
}
this.copyTempAssembly(result.PathToAssembly);
this.initTypeName();
}
catch (Exception e)
{
throw new Exception(e.Message);
}
}
#endregion
#region 执行Web服务方法
///
/// 执行代理类指定方法，有返回值
///
/// 方法名称
/// 参数
/// object
public object ExecuteQuery(string methodName, object[] param)
{
Object rtnObj = null;
string[] args = new string[2];
Liststring> list = new Liststring>();
Liststring> list1 = new Liststring>();
Liststring> list2 = new Liststring>();
object[] obj = new object[3];
String sb = "";
try
{
if (this._typeName == null)
{
//记录Web服务访问类名错误日志代码位置
throw new TypeLoadException("Web服务访问类名【" + this._wsdlName + "】不正确，请检查！");
}
//调用方法
MethodInfo mi = this._typeName.GetMethod(methodName);
if (mi == null)
{
//记录Web服务方法名错误日志代码位置
throw new TypeLoadException("Web服务访问方法名【" + methodName + "】不正确，请检查！");
}
try
{
if (param == null)
rtnObj = (string)mi.Invoke(Instance, null);
else
{
for ( int i = 0; i )
{
sb += param[i].ToString();
}
rtnObj = mi.Invoke(Instance, new Object[] {sb});
}
}
catch (TypeLoadException tle)
{
//记录Web服务方法参数个数错误日志代码位置
throw new TypeLoadException("Web服务访问方法【" + methodName + "】参数个数不正确，请检查！", new TypeLoadException(tle.StackTrace));
}
}
catch (Exception ex)
{
throw new Exception(ex.Message, new Exception(ex.StackTrace));
}
return rtnObj;
}
///
/// 执行代理类指定方法，无返回值
///
/// 方法名称
/// 参数
public void ExecuteNoQuery(string methodName, object[] param)
{
try
{
if (this._typeName == null)
{
//记录Web服务访问类名错误日志代码位置
throw new TypeLoadException("Web服务访问类名【" + this._wsdlName + "】不正确，请检查！");
}
//调用方法
MethodInfo mi = this._typeName.GetMethod(methodName);
if (mi == null)
{
//记录Web服务方法名错误日志代码位置
throw new TypeLoadException("Web服务访问方法名【" + methodName + "】不正确，请检查！");
}
try
{
if (param == null)
mi.Invoke(Instance, null);
else
mi.Invoke(Instance, param);
}
catch (TypeLoadException tle)
{
//记录Web服务方法参数个数错误日志代码位置
throw new TypeLoadException("Web服务访问方法【" + methodName + "】参数个数不正确，请检查！", new TypeLoadException(tle.StackTrace));
}
}
catch (Exception ex)
{
throw new Exception(ex.Message, new Exception(ex.StackTrace));
}
}
#endregion
#region 私有方法
///
/// 得到代理类类型名称
///
private void initTypeName()
{
Assembly serviceAsm = Assembly.LoadFrom(this._assPath);
Type[] types = serviceAsm.GetTypes();
string objTypeName = "";
foreach (Type t in types)
{
if (t.BaseType == typeof(SoapHttpClientProtocol))
{
objTypeName = t.Name;
break;
}
}
_typeName = serviceAsm.GetType(this._assName + "." + objTypeName);
}
///
/// 根据web service文档架构向代理类添加ServiceDescription和XmlSchema
///
/// web服务地址
/// 代理类
private void checkForImports(string baseWsdlUrl, ServiceDescriptionImporter importer)
{
DiscoveryClientProtocol dcp = new DiscoveryClientProtocol();
dcp.DiscoverAny(baseWsdlUrl);
dcp.ResolveAll();
foreach (object osd in dcp.Documents.Values)
{
if (osd is ServiceDescription) importer.AddServiceDescription((ServiceDescription)osd, null, null); ;
if (osd is XmlSchema) importer.Schemas.Add((XmlSchema)osd);
}
}
///
/// 复制程序集到指定路径
///
/// 程序集路径
private void copyTempAssembly(string pathToAssembly)
{
File.Copy(pathToAssembly, this._assPath);
}
private string getMd5Sum(string str)
{
Encoder enc = System.Text.Encoding.Unicode.GetEncoder();
byte[] unicodeText = new byte[str.Length * 2];
enc.GetBytes(str.ToCharArray(), 0, str.Length, unicodeText, 0, true);
MD5 md5 = new MD5CryptoServiceProvider();
byte[] result = md5.ComputeHash(unicodeText);
StringBuilder sb = new StringBuilder();
for (int i = 0; i )
{
sb.Append(result[i].ToString("X2"));
}
return sb.ToString();
}
///
/// 是否已经存在该程序集
///
/// false:不存在该程序集,true:已经存在该程序集
private bool checkCache()
{
if (File.Exists(this._assPath))
{
return true;
}
return false;
}
//私有方法，默认取url入口的文件名为类名
private static string getWsclassName(string wsdlUrl)
{
string[] parts = wsdlUrl.Split(‘/‘);
string[] pps = parts[parts.Length - 1].Split(‘.‘);
return pps[0];
}
#endregion
}
}
2.调用代码
//动态调用WebServices测试
public void GetData()
{
SyncInfoConfig cfig = new SyncInfoConfig();
SynProductsServices services = new SynProductsServices(cfig.ServicesUrl, cfig.ServicesMethod);
StringBuilder sb = new StringBuilder();
sb.Append("");
sb.Append("12191");
sb.Append("3");
sb.Append("");
String src = (string)services.ExecuteQuery(cfig.ServicesMethod, new Object[] { sb });
DataSet ds = new DataSet();
ds = XmlHelper.CXmlToDataSet(src);
DataTable dt = ds.Tables[1];
}
4.SyncInfoConfig文件配置信息
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
namespace WebUI.Common
{
public class SyncInfoConfig
{
public SyncInfoConfig() { }
///
/// webservice服务接口地址
///
private String servicesUrl = "http://ip/runds?wsdl";
public String ServicesUrl
{
get { return servicesUrl; }
set { servicesUrl = value; }
}
///
/// 服务主入口点
///
private String servicesMethod = "FunService";
public String ServicesMethod
{
get { return servicesMethod; }
set { servicesMethod = value; }
}
}
}
Asp.Net 动态调用WebServices解决方案,搜素材,soscw.com
Asp.Net 动态调用WebServices解决方案
标签：des cWeb style blog class code
原文地址：http://www.cnblogs.com/acoll/p/3729778.html
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