private static Boolean SetControlValue(Control control, Object value)
{
TypeX tx = control.GetType();
String name = tx.GetCustomAttributeValue <ControlValuePropertyAttribute, String>();
PropertyInfoX pix = null;
if (!String.IsNullOrEmpty(name))
{
pix = PropertyInfoX.Create(tx.Type, name);
}
if (pix == null)
{
pix = PropertyInfoX.Create(tx.Type, "Value");
}
if (pix == null)
{
pix = PropertyInfoX.Create(tx.Type, "Text");
}
if (pix != null)
{
if (value == null && pix.Type.IsValueType)
{
return(false);
}
pix.SetValue(control, value);
return(true);
}
return(false);
}
/// <summary>
/// 将对象赋值
/// </summary>
/// <typeparam name="T">对象类型</typeparam>
/// <param name="rval">表单集合字符串</param>
/// <param name="model">从数据库查询的实体对象</param>
/// <returns></returns>
public static T ConvertToModel <T>(this string rval, T model)
{
Type modelType = model.GetType();
PropertyInfo[] props = modelType.GetProperties();//获取此对象的，字段集合
object propertValue = null;
string value = String.Empty;
foreach (PropertyInfo item in props)
{
if (rval.ValidationKey(item.Name))
{
value = rval.GetFromValue(item.Name);
propertValue = GetVal(propertValue, value, item.PropertyType.Name);
if (item.PropertyType.Name == "Double")//如果对象类型是Double数字，等于0则不予赋值
{
if (propertValue.ToString() != "0")
{
PropertyInfoX.SetValue(model, item.Name, propertValue);//给字段赋值
}
}
else
{
PropertyInfoX.SetValue(model, item.Name, propertValue);//给字段赋值
}
}
}
return(model);
}
public IEnumerable <T> BindModel <T>(object source)
{
DataTable dt = (DataTable)source;
IEnumerable <DataColumn> dclist = dt.Columns.Cast <DataColumn>();
List <T> modellist = new List <T>();
foreach (DataRow dr in dt.Rows)
{
TypeX typex = TypeX.Create(typeof(T));
T modelInstance = (T)typex.CreateInstance();
//T modelInstance = (T)Activator.CreateInstance(typeof(T));
foreach (PropertyInfo property in typeof(T).GetProperties())
{
DataColumn dc = dclist.Where(item => string.Compare(property.Name, item.ColumnName, true) == 0).FirstOrDefault();
if (null != dc)
{
PropertyInfoX propx = PropertyInfoX.Create(property);
propx.SetValue(modelInstance, dr[dc.ColumnName]);
//property.SetValue(modelInstance, Convert.ChangeType(dr[dc.ColumnName], property.PropertyType),null);
}
}
modellist.Add(modelInstance);
}
return(modellist);
}
/// <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>
/// 将对象赋值
/// </summary>
/// <typeparam name="T">对象类型</typeparam>
/// <param name="formModel">表单获取的实体对象</param>
/// <param name="model">从数据库查询的实体对象</param>
/// <returns></returns>
public static T ConvertToModel <T>(T formModel, T model)
{
Type formModelType = formModel.GetType();
Type modelType = model.GetType();
PropertyInfo[] props = modelType.GetProperties(); //获取此对象的，字段集合
PropertyInfo[] formProps = formModelType.GetProperties(); //获取此对象的，字段集合
object propertValue = null;
string value = String.Empty;
for (int i = 0; i < props.Length; i++)
{
if (props[i].Name.Equals(formProps[i].Name) && props[i].CanWrite == true)
{
propertValue = PropertyInfoX.GetValue(formModel, formProps[i].Name);
if (propertValue != null)
{
PropertyInfoX.SetValue(model, props[i].Name, propertValue);//给字段赋值
}
}
}
return(model);
}
/// <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);
}
}
}