/// <summary>
/// 带服务地址构造函数
/// </summary>
/// <param name="serviceUrl">服务地址</param>
public CoreClient(string serviceUrl)
{
ServiceUrl = serviceUrl.TrimEnd('/');
try
{
//获取WSDL
var wc = new WebClient();
var stream = wc.OpenRead(ServiceUrl + "?WSDL");
wc.Dispose();
if (stream == null)
{
_type = null;
return;
}
var sd = ServiceDescription.Read(stream);
var classname = sd.Services[0].Name;
var sdi = new ServiceDescriptionImporter();
sdi.AddServiceDescription(sd, "", "");
var cn = new CodeNamespace();
//生成客户端代理类代码
var ccu = new CodeCompileUnit();
ccu.Namespaces.Add(cn);
sdi.Import(cn, ccu);
var csc = new CSharpCodeProvider();
//设定编译参数
var cplist = new CompilerParameters
{
GenerateExecutable = false,
GenerateInMemory = true
};
//动态编译后的程序集不生成可执行文件
//动态编译后的程序集只存在于内存中，不在硬盘的文件上
cplist.ReferencedAssemblies.Add("System.dll");
cplist.ReferencedAssemblies.Add("System.XML.dll");
cplist.ReferencedAssemblies.Add("System.Web.Services.dll");
cplist.ReferencedAssemblies.Add("System.Data.dll");
//编译代理类
var cr = csc.CompileAssemblyFromDom(cplist, ccu);
if (cr.Errors.HasErrors)
{
var sb = new StringBuilder();
foreach (CompilerError ce in cr.Errors)
{
sb.Append(ce);
sb.Append(Environment.NewLine);
}
throw new Exception(sb.ToString());
}
//生成代理实例，并调用方法
var assembly = cr.CompiledAssembly;
_type = assembly.GetType(classname, true, true);
}
catch (Exception e)
{
CoreLog.Error(e);
}
}
/// <summary>
/// XML反序列化
/// </summary>
public static object XmlToObj(string xmlStr, Type t)
{
try
{
using (var sr = new StringReader(xmlStr))
{
var serializer = new XmlSerializer(t);
return(serializer.Deserialize(sr));
}
}
catch (Exception e)
{
CoreLog.Error(e);
return(null);
}
}
/// <summary>
/// XML反序列化
/// </summary>
public static T XmlToObj <T>(string xmlStr) where T : new()
{
try
{
using (var sr = new StringReader(xmlStr))
{
var serializer = new XmlSerializer(typeof(T));
return((T)serializer.Deserialize(sr));
}
}
catch (Exception e)
{
CoreLog.Error(e);
return(default(T));
}
}
/// <summary>
/// 将JSON字符串转化为对应类型的对象
/// </summary>
/// <param name="json">json字符串</param>
/// <param name="type"></param>
/// <returns>转换后的对象</returns>
public static object JsonDataToObj(string json, Type type)
{
try
{
using (var ms = new MemoryStream(Encoding.Unicode.GetBytes(json)))
{
var deseralizer = new DataContractJsonSerializer(type);
return(deseralizer.ReadObject(ms));
}
}
catch (Exception e)
{
CoreLog.Error(e);
return(null);
}
}
/// <summary>
/// 接收请求的委托
/// </summary>
/// <param name="ar"></param>
private void Result(IAsyncResult ar)
{
//当接收到请求后程序流会走到这里
//获得context对象
var context = _httpobj.EndGetContext(ar);
//继续异步监听
_httpobj.BeginGetContext(Result, _httpobj);
var request = context.Request;
//将发送到客户端的请求响应中的客户端的对象
var response = context.Response;
//后台跨域请求，通常设置为配置文件 如果是js的ajax请求，还可以设置跨域的ip地址与参数
context.Response.AppendHeader("Access-Control-Allow-Origin", "*");
//后台跨域参数设置，通常设置为配置文件
//context.Response.AppendHeader("Access-Control-Allow-Headers", "ID,PW");
//后台跨域请求设置，通常设置为配置文件
//context.Response.AppendHeader("Access-Control-Allow-Method", "post");
//告诉客户端返回的ContentType类型为JSON格式，编码为UTF-8
context.Response.ContentType = "application/json;charset=UTF-8";
//添加响应头信息
context.Response.AddHeader("Content-type", "application/json");
//设置响应的编码格式
context.Response.ContentEncoding = Encoding.UTF8;
//处理客户端发送的请求并返回处理信息
var retData = HandleRequest(request, response) ?? string.Empty;
//设置客户端返回信息的编码
var retByteArr = Encoding.UTF8.GetBytes(retData);
try
{
using (var stream = response.OutputStream)
{
//把处理信息返回到客户端
stream.Write(retByteArr, 0, retByteArr.Length);
}
}
catch (Exception ex)
{
CoreLog.Error("网络异常:" + ex);
}
}
/// <summary>
/// 执行服务器方法
/// </summary>
/// <param name="mi">方法</param>
/// <param name="pos">参数</param>
/// <returns></returns>
private string Fun(MethodBase mi, object[] pos)
{
try
{
//创建实例
var o = Activator.CreateInstance(_serviceClass);
//调用方法
if (mi != null)
{
return(CoreConvert.ObjToJsonData(mi.Invoke(o, pos)));
}
CoreLog.Error("方法不能为空");
return(null);
}
catch (Exception ex)
{
CoreLog.Error("方法:" + mi?.Name + "执行错误:" + ex);
throw new Exception(ex.Message);
}
}
/// <summary>
/// 将任意类型对象转化为数据JSON字符串
/// </summary>
/// <param name="obj">要转换的对象</param>
/// <returns>json字符串</returns>
public static string ObjToJsonData(object obj)
{
try
{
var js = new DataContractJsonSerializer(obj.GetType());
var msObj = new MemoryStream();
//将序列化之后的Json格式数据写入流中
js.WriteObject(msObj, obj);
msObj.Position = 0;
//从0这个位置开始读取流中的数据
var sr = new StreamReader(msObj, Encoding.UTF8);
var json = sr.ReadToEnd();
sr.Close();
msObj.Close();
return(json);
}
catch (Exception e)
{
CoreLog.Error(e);
return(null);
}
}
/// <summary>
/// 处理请求
/// </summary>
/// <param name="request"></param>
/// <param name="response"></param>
/// <returns></returns>
private string HandleRequest(HttpListenerRequest request, HttpListenerResponse response)
{
if (request.HttpMethod.ToUpper() != "POST")
{
CoreLog.Error("只支持POST提交");
return(null);
}
if (request.InputStream != null)
{
string funName = null;
//具体要执行的方法
MethodInfo mi = null;
//参数
//这里是有客户端发送的正文本数据流的请求
try
{
var byteList = new List <byte>();
var byteArr = new byte[2048];
int readLen;
var len = 0;
//接收客户端传过来的数据并转成字符串类型
do
{
readLen = request.InputStream.Read(byteArr, 0, byteArr.Length);
len += readLen;
byteList.AddRange(byteArr);
} while (readLen != 0);
//获取得到数据data
var data = Encoding.UTF8.GetString(byteList.ToArray(), 0, len);
//判断是否是WebService模式调用
object[] objArr;
//url路径
var postSegments = request.Url.Segments;
//根据url路径确定方法名
if (postSegments.Length < 2)
{
response.StatusDescription = "404";
response.StatusCode = 404;
CoreLog.Error("找不到服务方法");
return(null);
}
funName = postSegments[1].TrimEnd('/');
//判断是否是WebSrviceSoap模式调用
if (funName == "WebSrviceSoap")
{
if (string.IsNullOrEmpty(data))
{
response.StatusDescription = "404";
response.StatusCode = 404;
CoreLog.Error("找不到服务方法");
return(null);
}
var sendDatas = (SendData)CoreConvert.JsonDataToObj(data, typeof(SendData));
//获取方法名相同的所有方法
var mis = _serviceFunArr.Where(f =>
string.Equals(f.Name, sendDatas.Method, StringComparison.CurrentCultureIgnoreCase)).ToList();
if (mis.Count == 0)
{
response.StatusDescription = "404";
response.StatusCode = 404;
CoreLog.Error("找不到服务方法");
return(null);
}
//获取参数
var dataList = (List <string>)CoreConvert.JsonDataToObj(sendDatas.Datas, typeof(List <string>));
//这里为空则没有参数
if (dataList == null)
{
foreach (var m in mis)
{
var ps = m.GetParameters();
if (ps.Length != 0)
{
continue;
}
//找到没有参数的方法
mi = m;
break;
}
//参数默认值null
objArr = null;
}
else
{
//这里是参数数组
objArr = new object[dataList.Count];
foreach (var m in mis)
{
var ps = m.GetParameters();
if (ps.Length != dataList.Count)
{
continue;
}
//找到参数数量对应的方法
mi = m;
for (var i = 0; i < ps.Length; i++)
{
objArr[i] = CoreConvert.JsonDataToObj(dataList[i], ps[i].ParameterType);
}
}
}
}
else
{
//获取方法名相同的所有方法
var mis = _serviceFunArr.Where(f => string.Equals(f.Name, funName, StringComparison.CurrentCultureIgnoreCase)).ToList();
if (mis.Count == 0)
{
response.StatusDescription = "404";
response.StatusCode = 404;
CoreLog.Error("找不到服务方法");
return(null);
}
//这里为空则没有参数
if (string.IsNullOrEmpty(data))
{
foreach (var m in mis)
{
var ps = m.GetParameters();
if (ps.Length != 0)
{
continue;
}
//找到没有参数的方法
mi = m;
break;
}
//参数默认值null
objArr = null;
}
else
{
//获取参数
var dataArr = data.Split('&');
//这里是参数数组
objArr = new object[dataArr.Length];
foreach (var m in mis)
{
var ps = m.GetParameters();
if (ps.Length != dataArr.Length)
{
continue;
}
//找到参数数量对应的方法
mi = m;
for (var i = 0; i < ps.Length; i++)
{
foreach (var d in dataArr)
{
//拆分参数字符串 获得方法名和值
try
{
var dArr = d.Split('=');
if (ps[i].Name != dArr[0])
{
continue;
}
objArr[i] = dArr[1];
break;
}
catch (Exception e)
{
CoreLog.Error("参数错误:" + e);
response.StatusDescription = "404";
response.StatusCode = 404;
return(null);
}
}
}
}
}
}
return(Fun(mi, objArr));
}
catch (Exception ex)
{
response.StatusDescription = "404";
response.StatusCode = 404;
CoreLog.Error($"接收数据时发生错误 Url:{request.Url} Method:{funName} err:{ex}");
return(null);
}
}
response.StatusDescription = "404";
response.StatusCode = 404;
CoreLog.Error("不允许空提交");
return(null);
}