/// <summary>
/// 取得参数列表
/// </summary>
/// <param name="methodName"></param>
/// <param name="data"></param>
/// <returns></returns>
private object[] GetArguments(string methodName, Dictionary <string, object> data)
{
MethodInfo methInfo;
if (ReflectionCache.GetInstance().Get(methodName) == null)
{
methInfo = this.GetType().GetMethod(methodName, BindingFlags.Instance | BindingFlags.Public);
ReflectionCache.GetInstance().Add(methodName, methInfo);
}
else
{
methInfo = ReflectionCache.GetInstance().Get(methodName);
}
if (methInfo == null)
{
throw new Exception("指定的逻辑方法不存在");
}
List <object> args = new List <object>();
if (methInfo != null)
{
ParameterInfo[] paraInfos = methInfo.GetParameters();
foreach (ParameterInfo p in paraInfos)
{
object obj = data[p.Name];
if (null != obj)
{
args.Add(Convert.ChangeType(obj, p.ParameterType));
}
}
}
return(args.ToArray());
}
/// <summary>
/// 取得方法的返回值标注属性
/// </summary>
/// <param name="methodName"></param>
/// <returns></returns>
private ResponseAnnotationAttribute GetAnnation(string methodName)
{
MethodInfo methInfo;
if (ReflectionCache.GetInstance().Get(methodName) == null)
{
methInfo = this.GetType().GetMethod(methodName, BindingFlags.Instance | BindingFlags.Public);
ReflectionCache.GetInstance().Add(methodName, methInfo);
}
else
{
methInfo = ReflectionCache.GetInstance().Get(methodName);
}
if (methInfo == null)
{
throw new Exception("指定的逻辑方法不存在");
}
ResponseAnnotationAttribute[] resAnns = (ResponseAnnotationAttribute[])methInfo.GetCustomAttributes(typeof(ResponseAnnotationAttribute), false);
ResponseAnnotationAttribute ann = null;
ann = resAnns.Length == 0 ? ResponseAnnotationAttribute.Default : resAnns[0];
ann = (ann as ICloneable).Clone() as ResponseAnnotationAttribute;
ParameterInfo[] ps = methInfo.GetParameters();
if (ps != null)
{
ann.Parameter = ps.Length;
}
return(ann);
}
public StringBuilder GetSvr()
{
Type type = this.GetType();
Uri url = HttpContext.Current.Request.Url;
string script = string.Empty;
if (!string.IsNullOrEmpty(ReflectionCache.GetInstance().JsFile))
{
script = ReflectionCache.GetInstance().JsFile;
}
else
{
ReflectionCache.GetInstance().JsFile = GetScriptTemplete();
script = ReflectionCache.GetInstance().JsFile;
}
script = script.Replace("%H_DESC%", "通过jQuery.ajax完成服务端函数调用");
script = script.Replace("%H_DATE%", DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"));
script = script.Replace("%URL%", url.Query.Length > 0 ? url.ToString().Replace(url.Query, "") : url.ToString());
script = script.Replace("%CLS%", type.Name);
StringBuilder scriptBuilder = new StringBuilder(script);
MethodInfo[] methods = type.GetMethods(BindingFlags.Public | BindingFlags.Instance | BindingFlags.DeclaredOnly);
foreach (MethodInfo m in methods)
{
ResponseAnnotationAttribute resAnn = this.GetAnnation(m.Name);
scriptBuilder.AppendLine("/*");
scriptBuilder.AppendLine("功能说明:" + resAnn.MethodDescription);
scriptBuilder.AppendLine("附加说明:缓存时间 " + resAnn.CacheDurtion.ToString() + " 秒");
scriptBuilder.AppendLine("输出类型 " + resAnn.ResponseFormat.ToString());
scriptBuilder.AppendLine("*/");
if (string.IsNullOrEmpty(resAnn.HttpMethod))
{
resAnn.HttpMethod = "POST";
}
string func = GetFunctionTemplete(m, resAnn.ResponseFormat, resAnn.HttpMethod);
scriptBuilder.AppendLine(func);
}
return(scriptBuilder);
}
/// <summary>
/// 调用本地的方法
/// </summary>
/// <param name="methodName"></param>
/// <param name="args"></param>
/// <returns></returns>
private object Invoke(string methodName, Dictionary <string, object> args)
{
MethodInfo methInfo;
if (ReflectionCache.GetInstance().Get(methodName) == null)
{
methInfo = this.GetType().GetMethod(methodName, BindingFlags.Instance | BindingFlags.Public);
ReflectionCache.GetInstance().Add(methodName, methInfo);
}
else
{
methInfo = ReflectionCache.GetInstance().Get(methodName);
}
if (methInfo == null)
{
throw new Exception("指定的逻辑方法不存在");
}
object[] parameters = this.GetArguments(methodName, args);
//object result = methInfo.Invoke(this, parameters);
object result = ReflectionCache.GetMethodInvoker(methInfo).Invoke(this, parameters);
return(result);
}
