/// <summary>
/// 写出异常数据
/// </summary>
internal static void Page_Error(object sender, EventArgs e)
{
AjaxResult result = new AjaxResult();
Exception ex = HttpContext.Current.Server.GetLastError();
result.Success = false;
result.Message = ex.Message;
result.TagA = ex.ToString();
HttpContext.Current.Server.ClearError();
AjaxUtils.AjaxToPageScript(result);
}
/// <summary>
/// 在页中注册连接,页必须将 Head 标记注册为: runat=server
/// </summary>
public static void RegisterPage()
{
if (HttpContext.Current == null)
{
throw new Exception("Ajax Error Is Not Form Http Server;");
}
Page page = ((Control)HttpContext.Current.CurrentHandler).Page;
if (page == null || page.Header == null)
{
throw new AjaxHeadNotServer();
}
AjaxUtils.RegisterPage(page.Header);
}
/// <summary>
/// 根据指定的属性串得到函数体
/// </summary>
/// <param name="type">类型</param>
/// <param name="obj">对象</param>
private static string MakeFunction(Type type, object obj)
{
object tmp;
Type tp;
PropertyInfo[] pi = type.GetProperties();
StringBuilder fun = new StringBuilder();
fun.AppendLine("function(){");
foreach (PropertyInfo p in pi)
{
if (!p.CanRead)
{
continue;
}
tmp = p.GetValue(obj, null);
fun.AppendFormat(" this.{0} = ", p.Name);
//对bool值的处理
if (tmp == null)
{
fun.Append("null");
fun.AppendLine(";");
continue;
}
tp = tmp.GetType();
if (tp == typeof(Boolean))
{
fun.Append(tmp.ToString().ToLower());
fun.AppendLine(";");
continue;
}
if (tp.IsArray)//数组
{
fun.Append(MakeArray((object[])tmp));
continue;
}
if (tp.GetCustomAttributes(typeof(AjaxObject), true).Length > 0) //对象
{
fun.Append("new ");
fun.Append(MakeFunction(tp, tmp));
continue;
}
//以外所有输出
fun.AppendFormat("unescape('{0}')", AjaxUtils.AjaxEncode(tmp.ToString()));
fun.AppendLine(";");
}
fun.AppendLine("}");
return(fun.ToString());
}
/// <summary>
/// 根据指定的对象数组返回一个数组体
/// </summary>
/// <param name="arr">数组</param>
private static string MakeArray(object[] arr)
{
StringBuilder fun = new StringBuilder();
object tmp;
Type type;
fun.AppendLine("new Array(");
for (int i = 0; i < arr.Length; i++)
{
tmp = arr[i];
type = tmp.GetType();
if (tmp == null)
{
fun.AppendLine("null");
}
else if (type.IsArray)
{
fun.Append(MakeArray((object[])tmp));
}
else if (type.GetCustomAttributes(typeof(AjaxObject), true).Length > 0) //对象
{
fun.Append("new "); //新涵数体
fun.Append(MakeFunction(type, tmp));
}
else
{
fun.AppendFormat("unescape('{0}')", AjaxUtils.AjaxEncode(tmp.ToString()));
}
if (i == arr.Length - 1) //当等于时不须要再加,防止因最后一个增加所导致的错误
{
fun.AppendLine();
}
else
{
fun.AppendLine(",");
}
}
//加上最后一个
fun.AppendLine(" )");
return(fun.ToString());
}
/// <summary>
/// 窗体载入
/// </summary>
/// <param name="e">事件</param>
protected override void OnLoad(EventArgs e)
{
base.OnLoad(e);
if (Request.RequestType.ToLower() != "post")
{
throw new AjaxException("不支持get获取方法，get method is not supported");
}
try
{
string typeName = AjaxUtils.AjaxUnEncode(Request.Form["Ajax_Aooshi_Namespace"].Trim());
string mtdName = AjaxUtils.AjaxUnEncode(Request.Form["Ajax_Aooshi_MethodName"].Trim());
string mtdObject = AjaxUtils.AjaxUnEncode(Request.Form["Ajax_Aooshi_MethodObject"].Trim());
object obj = null;
string[] pms = new string[Request.Form.Count - 3];
Type tempType = Type.GetType(typeName, true);
MethodInfo mi = tempType.GetMethod(mtdName);
if (mi == null)
{
throw new HttpException(404, "NOT FIND Method Name!");
}
if (mi.IsPublic)
{
AjaxMethod[] ajaxmethods = (AjaxMethod[])mi.GetCustomAttributes(typeof(AjaxMethod), true);
if (ajaxmethods.Length == 0)
{
throw new AjaxNotFindMethodException("所要调用的函数必须是已注册为AjaxMethod属性的函数；");
}
if (ajaxmethods[0].MethodType == AjaxMethodType.Array)//数组型式
{
Dictionary <string, string> dic = new Dictionary <string, string>();
for (int i = 3; i < Request.Form.Count; i++)
{
dic.Add(Request.Form.GetKey(i), Request.Form[i]);
}
if (mi.IsStatic)
{
obj = mi.Invoke(null, new object[] { dic });
}
else
{
obj = mi.Invoke(tempType.Module.Assembly.CreateInstance(tempType.FullName), new object[] { dic });
}
}
else if (ajaxmethods[0].MethodType == AjaxMethodType.Object) //对象型式
{
Type mtdt = Type.GetType(mtdObject, true);
object mtdo = mtdt.Module.Assembly.CreateInstance(mtdt.FullName);
PropertyInfo pinfo;
for (int i = 3; i < Request.Form.Count; i++)
{
pinfo = mtdt.GetProperty(Request.Form.GetKey(i), BindingFlags.IgnoreCase | BindingFlags.Instance | BindingFlags.Public | BindingFlags.SetProperty);
if (pinfo != null)
{
pinfo.SetValue(mtdo, Request.Form[i], null);
}
}
if (mi.IsStatic)
{
obj = mi.Invoke(null, new object[] { mtdo });
}
else
{
obj = mi.Invoke(tempType.Module.Assembly.CreateInstance(tempType.FullName), new object[] { mtdo });
}
}
else//参数型式
{
for (int i = 3; i < Request.Form.Count; i++)
{
pms[i - 3] = AjaxUtils.AjaxUnEncode(Request.Form[i]);
}
if (mi.IsStatic)
{
obj = mi.Invoke(null, pms);
}
else
{
obj = mi.Invoke(tempType.Module.Assembly.CreateInstance(tempType.FullName), pms);
}
}
if (obj != null)
{
Type type = obj.GetType();
if (type == typeof(XmlDocument))
{
WriteXmlDoc((XmlDocument)obj);
return;
}
if (type == typeof(Boolean))
{
WriteString(Convert.ToInt32(obj).ToString());
return;
}
//数组
if (type.IsArray)
{
AjaxMakeObject.RunatArrayObject(obj, type, Response);
return;
}
//对象处理
if (type.GetCustomAttributes(typeof(AjaxObject), true).Length > 0)
{
AjaxMakeObject.RunatClassObject(obj, type, Response);
return;
}
WriteString(obj);
}
else
{
WriteString("");
}
}
}
catch (System.Exception ex)
{
throw new HttpException(500, ex.Message, ex.InnerException);
}
throw new HttpException(404, "NOT FIND PAGE!");
}
static AjaxUtils()
{
AjaxUtils.CallbackPath = AjaxUtils.GetAppDir() + "AjaxAooshi.aspx";
}
