static String GetCustomAttributeValue <TAttribute>(MemberInfo member, String name)
{
TAttribute att = AttributeX.GetCustomAttribute <TAttribute>(member, true);
if (att == null)
{
return(null);
}
PropertyInfoX pix = PropertyInfoX.Create(typeof(TAttribute), name);
if (pix == null)
{
return(null);
}
return((String)pix.GetValue(att));
}
/// <summary>设置控件的ToolTip提示信息</summary>
/// <param name="field"></param>
/// <param name="control"></param>
protected virtual void SetToolTip(FieldItem field, Control control)
{
if (field == null || control == null)
{
return;
}
String toolTip = field.DisplayName;
if (field.IsNullable)
{
toolTip = String.Format("请填写{0}！", toolTip);
}
else
{
toolTip = String.Format("必须填写{0}！", toolTip);
}
//if (control is Label) toolTip = null;
if (control is Label)
{
return;
}
if (control is WebControl)
{
var wc = control as WebControl;
// 设置ToolTip
if (String.IsNullOrEmpty(wc.ToolTip) && !String.IsNullOrEmpty(toolTip))
{
wc.ToolTip = toolTip;
}
}
else
{
var pix = PropertyInfoX.Create(control.GetType(), "ToolTip");
if (pix != null && String.IsNullOrEmpty((String)pix.GetValue(control)))
{
pix.SetValue(control, toolTip);
}
}
}
/// <summary>
/// [OLD Code]返回一个新创建的实体对象，并给各个字段赋值
/// </summary>
/// <param name="typeName">完整实体名称， [命名空间.实体名称]</param>
/// <param name="rval">表单集合字符串</param>
/// <returns></returns>
public static object GetFormEntity(this string rval, string typeName)
{
typeName = string.Format("{0}.{1}", ConfigHelper.GetAppSettings("EntitySpaceName"), typeName);
TypeX EntityType = TypeX.Create(TypeX.GetType(typeName, true)); //根据类的完整名称建立类的类型,用于动态创建类 如： Clump.Mobile.Models.NewsInfo
Object objEntity = EntityType.CreateInstance(); //动态建立类的对象 实体类的对象Object objEntity = EntityType.CreateInstance(true);意思是在创建实体对象时 A a = new A(true)
PropertyInfo[] props = objEntity.GetType().GetProperties(); //获取此对象的，字段集合
object propertValue = String.Empty;
foreach (PropertyInfo item in props)
{
propertValue = rval.GetFromValue(item.Name);
if (!"".Equals(propertValue))
{
//根据字段类型，转换格式
switch ((PropertyInfoX.Create(EntityType, item.Name)).Property.PropertyType.Name)
{
case "String": propertValue = Convert.ToString(propertValue); break;
case "Int64": propertValue = Convert.ToInt64(propertValue); break;
case "Int32": propertValue = Convert.ToInt32(propertValue); break;
case "Int16": propertValue = Convert.ToInt16(propertValue); break;
case "Byte": propertValue = Convert.ToByte(propertValue); break;
case "Single": propertValue = Convert.ToSingle(propertValue); break;
case "Double": propertValue = Convert.ToDouble(propertValue); break;
case "Boolean": propertValue = Convert.ToBoolean(propertValue); break;
case "DateTime": propertValue = Convert.ToDateTime(propertValue); break;
default: break;
}
PropertyInfoX.SetValue(objEntity, item.Name, propertValue);//给字段赋值
}
}
PropertyInfoX.SetValue(objEntity, "CreateTime", DateTime.Now);//给CreateTime字段赋值,添加时间字段是每个数据表标配(未解决：MySql配置，暂时不能默认添加当前时间)
return(objEntity);
}
/// <summary>查找控件的事件</summary>
/// <param name="control"></param>
/// <param name="eventName"></param>
/// <returns></returns>
public static Delegate FindEventHandler(Control control, String eventName)
{
if (control == null)
{
return(null);
}
if (String.IsNullOrEmpty(eventName))
{
return(null);
}
var pix = PropertyInfoX.Create(control.GetType(), "Events");
if (pix == null)
{
return(null);
}
EventHandlerList list = pix.GetValue(control) as EventHandlerList;
if (list == null)
{
return(null);
}
var fix = FieldInfoX.Create(control.GetType(), eventName);
if (fix == null && !eventName.StartsWith("Event", StringComparison.Ordinal))
{
fix = FieldInfoX.Create(control.GetType(), "Event" + eventName);
}
if (fix == null)
{
return(null);
}
return(list[fix.GetValue(control)]);
}
void CompressContent(object sender, EventArgs e)
{
HttpApplication app = sender as HttpApplication;
if (!(app.Context.CurrentHandler is System.Web.UI.Page) || app.Request["HTTP_X_MICROSOFTAJAX"] != null)
{
return;
}
// 如果已经写入头部，这里就不能压缩了
var pix = PropertyInfoX.Create(app.Response.GetType(), "HeadersWritten");
if (pix != null && (Boolean)pix.GetValue(app.Response))
{
return;
}
// .net 2.0没有HeadersWritten
//if (PropertyInfoX.GetValue<Boolean>(app.Response, "HeadersWritten")) return;
//压缩
String url = app.Request.Url.OriginalString.ToLower();
String files = Config.GetConfig <String>("NewLife.CommonEntity.CompressFiles", ".aspx,.axd,.js,.css");
if (files.ToLower().Split(",", ";", " ").Any(t => url.Contains(t)))
{
//是否支持压缩协议
if (IsEncodingAccepted(GZIP))
{
app.Response.Filter = new GZipStream(app.Response.Filter, CompressionMode.Compress);
SetEncoding(GZIP);
}
else if (IsEncodingAccepted(DEFLATE))
{
app.Response.Filter = new DeflateStream(app.Response.Filter, CompressionMode.Compress);
SetEncoding(DEFLATE);
}
}
}
Type GetItemType(String name)
{
if (String.IsNullOrEmpty(name) || EntityType == null)
{
return(null);
}
PropertyInfoX pi = PropertyInfoX.Create(EntityType, name);
if (pi != null)
{
return(pi.Type);
}
FieldInfoX fi = FieldInfoX.Create(EntityType, name);
if (fi != null)
{
return(fi.Type);
}
return(null);
}
/// <summary>
/// 把实体成员的值设置到控件上
/// </summary>
/// <param name="field"></param>
/// <param name="control"></param>
/// <param name="canSave"></param>
protected virtual void SetFormItem(FieldItem field, System.Web.UI.Control control, Boolean canSave)
{
if (field == null || control == null)
{
return;
}
String toolTip = String.IsNullOrEmpty(field.Description) ? field.Name : field.Description;
if (field.IsNullable)
{
toolTip = String.Format("请填写{0}！", toolTip);
}
else
{
toolTip = String.Format("必须填写{0}！", toolTip);
}
if (control is Label)
{
toolTip = null;
}
if (control is ExtAspNet.ControlBase)
{
ExtAspNet.ControlBase wc = control as ExtAspNet.ControlBase;
// 设置ToolTip
//if (String.IsNullOrEmpty(wc.ToolTip) && !String.IsNullOrEmpty(toolTip)) wc.ToolTip = toolTip;
//// 必填项
//if (!field.IsNullable) SetNotAllowNull(field, control, canSave);
// 设置只读，只有不能保存时才设置，因为一般都不是只读，而前端可能自己设置了控件为只读，这种情况下这里再设置就会修改前端的意思
if (!canSave)
{
if (wc is ExtAspNet.TextBox)
{
(wc as TextBox).Enabled = !canSave;
}
else
{
wc.Enabled = canSave;
}
}
// 分控件处理
if (wc is TextBox || wc is DatePicker)
{
SetFormItemTextBox(field, wc as RealTextField, canSave);
}
else if (wc is Label)
{
SetFormItemLabel(field, wc as Label, canSave);
}
else if (wc is RadioButton)
{
SetFormItemRadioButton(field, wc as RadioButton, canSave);
}
else if (wc is CheckBox)
{
SetFormItemCheckBox(field, wc as CheckBox, canSave);
}
else if (wc is DropDownList)
{
SetFormItemListControl(field, wc as DropDownList, canSave);
}
else
{
SetControlValue(control as ControlBase, Entity[field.Name]);
}
}
else
{
SetControlValue(control as ControlBase, Entity[field.Name]);
PropertyInfoX pix = PropertyInfoX.Create(control.GetType(), "ToolTip");
if (pix != null && String.IsNullOrEmpty((String)pix.GetValue(control)))
{
pix.SetValue(control, toolTip);
}
}
}
static PropertyInfoX[] GetProperties(Type type)
{
return(cache2.GetItem(type, item => item.GetProperties(BindingFlags.Instance | BindingFlags.Public).Where(p => !p.Name.EqualIgnoreCase("Item")).Select(p => PropertyInfoX.Create(p)).ToArray()));
}