EXT.NET高效开发（二）——封装函数

在上一篇《EXT.NET高效开发（一）——概述》中，大致的介绍了一下EXT.NET。那么本篇就要继续完成未完成的事业了。说到高效开发，那就是八仙过海各显神通。比如使用代码生成器，这点大家可以参考我的这篇帖子《CodeSmith系列（三）——使用CodeSmith生成ASP.NET页面》。本人是比较推崇批量化生产的。当然，本篇的重点不在这，看过标题的人都知道。

在使用EXT.NET的时候（当然不仅仅是EXT.NET），总是要做很多重复的事，于是封装一些实用的函数可以一劳永逸呀。

1）单选框和复选框.

看图说话开始了，如图



当选择其他的时候，出框框填写数据。在实际需求中，很多选择项都不是只有A、B、C、D，往往还能自己自定义。遇到这种需求的，每次加个框框跟后面既麻烦又不方便布局，于是秉着不重复造轮子的原则，定义了以下函数：

/// <summary>
/// 绑定单选框组（最后一项为可编辑项，保持位置为ID+Hidden）
/// </summary>
/// <typeparam name="T">类类型</typeparam>
/// <param name="lst">泛型集合</param>
/// <param name="ID">复选框组ID</param>
/// <param name="TextPropertyName">需要绑定的文本属性字段名（大写小都必须一致）</param>
/// <param name="ValuePropertyName">需要绑定的值属性字段名（大写小都必须一致）</param>
/// <param name="CheckedPropertyName">需要绑定的选择属性字段名（大写小都必须一致）</param>
/// <param name="isCheckedPropertyName">是否是选择属性字段名，如果如false，则CheckedPropertyName表示选中的值</param>
/// <param name="_ColumnsNumber">显示列数</param>
/// <param name="_remark">备注项名称，如设置了此项，则可以填写该项备注</param>
/// <param name="textlen">显示的文本长度</param>
public static void BindRadioGroup<T>(System.Web.UI.UserControl _userControl, List<T> lst, string ID, string TextPropertyName, string ValuePropertyName, string CheckedPropertyName, bool isCheckedPropertyName, int? _ColumnsNumber, string _remark, int textlen)
{
if (lst != null && lst.Count > 0)
{
Control _control = _userControl.FindControl(ID);
if (_control is RadioGroup)
{
//该脚本实现弹框填写其他项，以下是参数
//hiddenID：其他项的文本保存位置ID
//chk：其他项的CheckBox
//orgBoxLabel：原始的BoxLabel
string _setRemarkScript =
@"
function setChkRemark(hiddenID, chk, orgBoxLabel ,textlen) {
if (chk.getValue()) {
Ext.MessageBox.show({
title: orgBoxLabel,
msg: '请输入' + orgBoxLabel + '：',
width: 300,
buttons: Ext.MessageBox.OKCANCEL,
multiline: true,
value: hiddenID.getValue(),
fn: function (btn, text) {
var remark = text.replace(/(^\s*)|(\s*$)/g, '');
if (btn == 'cancel')
Ext.MessageBox.alert('温馨提示', '操作已取消。');
else if (btn == 'ok') {
hiddenID.setValue(remark);
if (remark!='')
chk.setBoxLabel(orgBoxLabel+':'+(remark.length>textlen? remark.toString().substring(0,textlen)+'...':remark));
else
chk.setBoxLabel(orgBoxLabel);
}
}
});
}
}
";
//注册函数
_userControl.Page.ClientScript.RegisterStartupScript(_userControl.GetType(), "setChkRemark", _setRemarkScript, true);
RadioGroup groupRadios = _control as RadioGroup;
if (groupRadios == null)
return;
//groupRadios.SubmitValue = true;
#region 【_ColumnsNumber】设置显示列数，为null则一行显示4列。
_ColumnsNumber = _ColumnsNumber ?? 4;
if (lst.Count <= _ColumnsNumber)
{
groupRadios.ColumnsNumber = lst.Count;
}
else
{
groupRadios.ColumnsNumber = _ColumnsNumber.Value;
}
#endregion
groupRadios.Items.Clear();
int i = 0;
foreach (var item in lst)
{
T t = item;
Type type = t.GetType();
Radio rdo = new Radio();
rdo.ID = string.Format("{0}items{1}", ID, i);
PropertyInfo TextProInfo = type.GetProperty(TextPropertyName);
if (TextProInfo == null)
ExtensionMethods.ThrowNullException(type, TextPropertyName);

PropertyInfo ValueProInfo = type.GetProperty(ValuePropertyName);
if (ValueProInfo == null)
ExtensionMethods.ThrowNullException(type, ValuePropertyName);

object objText = TextProInfo.GetValue(t, null);
rdo.BoxLabel = objText == null ? string.Empty : objText.ToString();
object objValue = ValueProInfo.GetValue(t, null).ToString();
rdo.Tag = objValue == null ? string.Empty : objValue.ToString();
rdo.InputValue = objValue == null ? string.Empty : objValue.ToString();
if (!isCheckedPropertyName)
{
if (rdo.Tag == CheckedPropertyName)
rdo.Checked = true;
groupRadios.Items.Add(rdo);
i++;
continue;
}
PropertyInfo CheckedProInfo = type.GetProperty(CheckedPropertyName);
if (CheckedProInfo == null)
ExtensionMethods.ThrowNullException(type, CheckedPropertyName);
if ((CheckedProInfo.GetValue(t, null) ?? 0).ToString() == "1")
rdo.Checked = true;
groupRadios.Items.Add(rdo);
i++;
}
groupRadios.Items[groupRadios.Items.Count - 1].Listeners.Check.Handler = "setChkRemark(#{" + ID + "Hidden},this,'" + _remark + "'," + textlen + ");";
}
else if (_control is System.Web.UI.WebControls.RadioButtonList)
{
System.Web.UI.WebControls.RadioButtonList _rbl = _control as System.Web.UI.WebControls.RadioButtonList;
_rbl.DataTextField = TextPropertyName;
_rbl.DataValueField = ValuePropertyName;
_rbl.DataSource = lst;
_rbl.RepeatDirection = System.Web.UI.WebControls.RepeatDirection.Horizontal;
//_rbl.RepeatLayout = RepeatLayout.Flow;
_rbl.DataBind();
if (!isCheckedPropertyName)
_rbl.SelectedValue = CheckedPropertyName;
}

}
}

这样调用起来就方便了，如：

ExtControlHelper.BindCheckGroup(this, _db.SelectGeneralFromTableINFO(ShopID, CurrentFormID,
"TerminationReason").ToList()
, "cblTerminationReason", "AttributeValue", "AttributeID", "CheckValue",
4, "其他", 8);

不过别忘了在页面上丢一个“<ext:Hidden ID="cblTerminationReasonHidden" runat="server" />”。

为了方便，本人又定义了以下几个函数：

/// <summary>
/// 绑定单选框组
/// </summary>
/// <typeparam name="T">类类型</typeparam>
/// <param name="lst">泛型集合</param>
/// <param name="ID">复选框组ID</param>
/// <param name="TextPropertyName">需要绑定的文本属性字段名（大写小都必须一致）</param>
/// <param name="ValuePropertyName">需要绑定的值属性字段名（大写小都必须一致）</param>
/// <param name="CheckedPropertyName">需要绑定的选择属性字段名（大写小都必须一致）</param>
/// <param name="isCheckedPropertyName">是否是选择属性字段名，如果如false，则CheckedPropertyName表示选中的值</param>
/// <param name="_ColumnsNumber">显示列数</param>
public static void BindRadioGroup<T>(System.Web.UI.UserControl _userControl, List<T> lst, string ID, string TextPropertyName, string ValuePropertyName, string CheckedPropertyName, bool isCheckedPropertyName, int? _ColumnsNumber)
{
if (lst != null && lst.Count > 0)
{
Control _control = _userControl.FindControl(ID);
if (_control is RadioGroup)
{
RadioGroup groupRadios = _control as RadioGroup;
if (groupRadios == null)
return;
#region 【_ColumnsNumber】设置显示列数，为null则一行显示4列。
_ColumnsNumber = _ColumnsNumber ?? 4;
if (lst.Count <= _ColumnsNumber)
{
groupRadios.ColumnsNumber = lst.Count;
}
else
{
groupRadios.ColumnsNumber = _ColumnsNumber.Value;
}
#endregion
groupRadios.Items.Clear();
int i = 0;
foreach (var item in lst)
{
T t = item;
Type type = t.GetType();
Radio rdo = new Radio();
rdo.ID = string.Format("{0}items{1}", ID, i);
PropertyInfo TextProInfo = type.GetProperty(TextPropertyName);
if (TextProInfo == null)
ExtensionMethods.ThrowNullException(type, TextPropertyName);

PropertyInfo ValueProInfo = type.GetProperty(ValuePropertyName);
if (ValueProInfo == null)
ExtensionMethods.ThrowNullException(type, ValuePropertyName);

object objText = TextProInfo.GetValue(t, null);
rdo.BoxLabel = objText == null ? string.Empty : objText.ToString();
object objValue = ValueProInfo.GetValue(t, null).ToString();
rdo.Tag = objValue == null ? string.Empty : objValue.ToString();
rdo.InputValue = objValue == null ? string.Empty : objValue.ToString();

if (!isCheckedPropertyName)
{
if (rdo.Tag == CheckedPropertyName)
rdo.Checked = true;
groupRadios.Items.Add(rdo);
i++;
continue;
}
PropertyInfo CheckedProInfo = type.GetProperty(CheckedPropertyName);
if (CheckedProInfo == null)
ExtensionMethods.ThrowNullException(type, CheckedPropertyName);

if ((CheckedProInfo.GetValue(t, null) ?? 0).ToString() == "1")
rdo.Checked = true;
groupRadios.Items.Add(rdo);
i++;
}
}
else if (_control is System.Web.UI.WebControls.RadioButtonList)
{
System.Web.UI.WebControls.RadioButtonList _rbl = _control as System.Web.UI.WebControls.RadioButtonList;
_rbl.DataTextField = TextPropertyName;
_rbl.DataValueField = ValuePropertyName;
_rbl.DataSource = lst;
_rbl.RepeatDirection = System.Web.UI.WebControls.RepeatDirection.Horizontal;
//_rbl.RepeatLayout = RepeatLayout.Flow;
_rbl.DataBind();
if (!isCheckedPropertyName)
_rbl.SelectedValue = CheckedPropertyName;
}

}
}
/// <summary>
/// 绑定复选框组
/// </summary>
/// <typeparam name="T">类类型</typeparam>
/// <param name="lst">泛型集合</param>
/// <param name="ID">复选框组ID</param>
/// <param name="TextPropertyName">需要绑定的文本属性字段名（大写小都必须一致）</param>
/// <param name="ValuePropertyName">需要绑定的值属性字段名（大写小都必须一致）</param>
/// <param name="CheckedPropertyName">需要绑定的选择属性字段名（大写小都必须一致）</param>
public static void BindCheckGroup<T>(Control _userControl, List<T> lst, string ID, string TextPropertyName, string ValuePropertyName, string CheckedPropertyName, int? _ColumnsNumber)
{
if (lst != null && lst.Count > 0)
{
Control _control = _userControl.FindControl(ID);
if (_control is CheckboxGroup)
{
CheckboxGroup groupChks = _control as CheckboxGroup;
if (groupChks == null)
return;
#region 【_ColumnsNumber】设置显示列数，为null则一行显示4列。
_ColumnsNumber = _ColumnsNumber ?? 4;
if (lst.Count <= _ColumnsNumber)
{
groupChks.ColumnsNumber = lst.Count;
}
else
{
groupChks.ColumnsNumber = _ColumnsNumber.Value;
}
#endregion
groupChks.Items.Clear();
int i = 0;
foreach (var item in lst)
{
T t = item;
Type type = t.GetType();
Checkbox chk = new Checkbox();
chk.ID = string.Format("{0}items{1}", ID, i);
PropertyInfo TextProInfo = type.GetProperty(TextPropertyName);
if (TextProInfo == null)
ExtensionMethods.ThrowNullException(type, TextPropertyName);
PropertyInfo ValueProInfo = type.GetProperty(ValuePropertyName);
if (ValueProInfo == null)
ExtensionMethods.ThrowNullException(type, ValuePropertyName);
PropertyInfo CheckedProInfo = type.GetProperty(CheckedPropertyName);
if (CheckedProInfo == null)
ExtensionMethods.ThrowNullException(type, CheckedPropertyName);
object objText = TextProInfo.GetValue(t, null);
chk.BoxLabel = objText == null ? string.Empty : objText.ToString();
object objValue = ValueProInfo.GetValue(t, null).ToString();
chk.Tag = objValue == null ? string.Empty : objValue.ToString();
chk.InputValue = chk.Tag;
//chk.InputValue = objValue == null ? string.Empty : objValue.ToString();
var _checkValue = (CheckedProInfo.GetValue(t, null) ?? 0).ToString();
if (_checkValue == "1" || (_checkValue != null && _checkValue.ToLower() == "true"))
chk.Checked = true;
groupChks.Items.Add(chk);
i++;
}
}
else if (_control is System.Web.UI.WebControls.CheckBoxList)
{
System.Web.UI.WebControls.CheckBoxList _cbl = _control as System.Web.UI.WebControls.CheckBoxList;
_cbl.RepeatDirection = System.Web.UI.WebControls.RepeatDirection.Horizontal;
_cbl.RepeatLayout = System.Web.UI.WebControls.RepeatLayout.Table;
_cbl.RepeatColumns = 7;
_cbl.Width = System.Web.UI.WebControls.Unit.Parse("100%");
foreach (var item in lst)
{
T t = item;
Type type = t.GetType();
Checkbox chk = new Checkbox();
PropertyInfo TextProInfo = type.GetProperty(TextPropertyName);
if (TextProInfo == null)
ExtensionMethods.ThrowNullException(type, TextPropertyName);
PropertyInfo ValueProInfo = type.GetProperty(ValuePropertyName);
if (ValueProInfo == null)
ExtensionMethods.ThrowNullException(type, ValuePropertyName);
PropertyInfo CheckedProInfo = type.GetProperty(CheckedPropertyName);
if (CheckedProInfo == null)
ExtensionMethods.ThrowNullException(type, CheckedPropertyName);

object objText = TextProInfo.GetValue(t, null);
object objValue = ValueProInfo.GetValue(t, null).ToString();

System.Web.UI.WebControls.ListItem _li = new System.Web.UI.WebControls.ListItem();
_li.Text = objText == null ? string.Empty : objText.ToString();
_li.Value = objValue == null ? string.Empty : objValue.ToString();
var _checkValue = CheckedProInfo.GetValue(t, null).ToString();
if (_checkValue == "1" || (_checkValue != null && _checkValue.ToLower() == "true"))
_li.Selected = true;
_cbl.Items.Add(_li);
}
}

}
}

/// <summary>
/// 绑定复选框组（最后一项为可编辑项，保持位置为ID+Hidden）
/// </summary>
/// <typeparam name="T">类类型</typeparam>
/// <param name="lst">泛型集合</param>
/// <param name="ID">复选框组ID</param>
/// <param name="TextPropertyName">需要绑定的文本属性字段名（大写小都必须一致）</param>
/// <param name="ValuePropertyName">需要绑定的值属性字段名（大写小都必须一致）</param>
/// <param name="CheckedPropertyName">需要绑定的选择属性字段名（大写小都必须一致）</param>
/// <param name="_ColumnsNumber">显示列数</param>
/// <param name="_remark">备注项名称，如设置了此项，则可以填写该项备注</param>
/// <param name="textlen">显示的文本长度</param>
public static void BindCheckGroup<T>(Control _userControl, List<T> lst, string ID, string TextPropertyName, string ValuePropertyName, string CheckedPropertyName, int? _ColumnsNumber, string _remark, int textlen)
{
if (lst != null && lst.Count > 0)
{
Control _control = _userControl.FindControl(ID);
if (_control is CheckboxGroup)
{
ToolTip _tool=new ToolTip();
_tool.ID = string.Format("{0}ToolTip", ID);
//该脚本实现弹框填写其他项，以下是参数
//hiddenID：其他项的文本保存位置ID
//chk：其他项的CheckBox
//orgBoxLabel：原始的BoxLabel
string _setRemarkScript =
@"
function setChkRemark(hiddenID, chk, orgBoxLabel ,textlen) {
if (chk.getValue()) {
Ext.MessageBox.show({
title: orgBoxLabel,
msg: '请输入' + orgBoxLabel + '：',
width: 300,
buttons: Ext.MessageBox.OKCANCEL,
multiline: true,
value: hiddenID.getValue(),
fn: function (btn, text) {
var remark = text.replace(/(^\s*)|(\s*$)/g, '');
if (btn == 'cancel')
Ext.MessageBox.alert('温馨提示', '操作已取消。');
else if (btn == 'ok') {
hiddenID.setValue(remark);
if (remark!='')
chk.setBoxLabel(orgBoxLabel+'：'+(remark.length>textlen? remark.toString().substring(0,textlen)+'...':remark));
else
chk.setBoxLabel(orgBoxLabel);
}
}
});
}
}
";
//注册函数
_userControl.Page.ClientScript.RegisterStartupScript(_userControl.GetType(), "setChkRemark", _setRemarkScript, true);
CheckboxGroup groupChks = _control as CheckboxGroup;
if (groupChks == null)
return;
#region 【_ColumnsNumber】设置显示列数，为null则一行显示4列。
_ColumnsNumber = _ColumnsNumber ?? 4;
if (lst.Count <= _ColumnsNumber)
{
groupChks.ColumnsNumber = lst.Count;
}
else
{
groupChks.ColumnsNumber = _ColumnsNumber.Value;
}
#endregion
groupChks.Items.Clear();
int i = 0;
foreach (var item in lst)
{
T t = item;
Type type = t.GetType();
Checkbox chk = new Checkbox();
chk.ID = string.Format("{0}items{1}", ID, i);
PropertyInfo TextProInfo = type.GetProperty(TextPropertyName);
if (TextProInfo == null)
ExtensionMethods.ThrowNullException(type, TextPropertyName);

PropertyInfo ValueProInfo = type.GetProperty(ValuePropertyName);
if (ValueProInfo == null)
ExtensionMethods.ThrowNullException(type, ValuePropertyName);

PropertyInfo CheckedProInfo = type.GetProperty(CheckedPropertyName);
if (CheckedProInfo == null)
ExtensionMethods.ThrowNullException(type, CheckedPropertyName);

object objText = TextProInfo.GetValue(t, null);

chk.BoxLabel = objText == null ? string.Empty : objText.ToString();
chk.ToolTip = objText == null ? string.Empty : objText.ToString();
object objValue = ValueProInfo.GetValue(t, null).ToString();
chk.Tag = objValue == null ? string.Empty : objValue.ToString();
chk.InputValue = chk.Tag;

//chk.InputValue = objValue == null ? string.Empty : objValue.ToString();
var _checkValue = (CheckedProInfo.GetValue(t, null) ?? 0).ToString();

if (_checkValue == "1" || (_checkValue != null && _checkValue.ToLower() == "true"))
chk.Checked = true;
//if (i == lst.Count - 1)
//{
//    chk.Listeners.Check.Handler = "setChkRemark(#{" + ID + "Hidden},this,'" + _remark + "'," + textlen + ");";
//    //chk.Icons.Add(Icon.Note);
//}
groupChks.Items.Add(chk);
i++;
}
groupChks.Items[groupChks.Items.Count - 1].Listeners.Check.Handler = string.Format("setChkRemark(#{{{0}Hidden}},this,'{1}',{2});", ID, _remark, textlen);
//groupChks.Items[groupChks.Items.Count - 1].ToolTip=
}
else if (_control is System.Web.UI.WebControls.CheckBoxList)
{
System.Web.UI.WebControls.CheckBoxList _cbl = _control as System.Web.UI.WebControls.CheckBoxList;
_cbl.RepeatDirection = System.Web.UI.WebControls.RepeatDirection.Horizontal;
_cbl.RepeatLayout = System.Web.UI.WebControls.RepeatLayout.Table;
_cbl.RepeatColumns = 7;
_cbl.Width = System.Web.UI.WebControls.Unit.Parse("100%");
foreach (var item in lst)
{
T t = item;
Type type = t.GetType();
Checkbox chk = new Checkbox();
PropertyInfo TextProInfo = type.GetProperty(TextPropertyName);
if (TextProInfo == null)
ExtensionMethods.ThrowNullException(type, TextPropertyName);
PropertyInfo ValueProInfo = type.GetProperty(ValuePropertyName);
if (ValueProInfo == null)
ExtensionMethods.ThrowNullException(type, ValuePropertyName);
PropertyInfo CheckedProInfo = type.GetProperty(CheckedPropertyName);
if (CheckedProInfo == null)
ExtensionMethods.ThrowNullException(type, CheckedPropertyName);

object objText = TextProInfo.GetValue(t, null);
object objValue = ValueProInfo.GetValue(t, null).ToString();

System.Web.UI.WebControls.ListItem _li = new System.Web.UI.WebControls.ListItem();
_li.Text = objText == null ? string.Empty : objText.ToString();
_li.Value = objValue == null ? string.Empty : objValue.ToString();
var _checkValue = CheckedProInfo.GetValue(t, null).ToString();
if (_checkValue == "1" || (_checkValue != null && _checkValue.ToLower() == "true"))
_li.Selected = true;
_cbl.Items.Add(_li);
}
}

}
}

2）下拉列表。

无图无真相，果断上图。



绑定下拉列表，在这里，本人也封装了以下。如下面代码：

/// <summary>
/// 通过反射绑定下拉列表
/// </summary>
/// <typeparam name="T">类类型</typeparam>
/// <param name="lst">泛型集合</param>
/// <param name="ID">下拉列表ID</param>
/// <param name="TextPropertyName">文本属性名</param>
/// <param name="ValuePropertyName">值属性名</param>
/// <param name="_SelectValue">选择的值</param>
public static void BindComobox<T>(Control _userControl, List<T> lst, string ID, string TextPropertyName, string ValuePropertyName, string _SelectValue)
{
if (lst != null && lst.Count > 0)
{
ComboBox _cbos = _userControl.FindControl(ID) as ComboBox;
if (_cbos == null)
return;
_cbos.Items.Clear();
foreach (var item in lst)
{
T t = item;
Type type = t.GetType();
ListItem _li = new ListItem();
//文本属性
PropertyInfo TextProInfo = type.GetProperty(TextPropertyName);
if (TextProInfo == null)
ExtensionMethods.ThrowNullException(type, TextPropertyName);
//值属性
PropertyInfo ValueProInfo = type.GetProperty(ValuePropertyName);
if (ValueProInfo == null)
ExtensionMethods.ThrowNullException(type, ValuePropertyName);

object objText = TextProInfo.GetValue(t, null);
_li.Text = objText == null ? string.Empty : objText.ToString();
object objValue = ValueProInfo.GetValue(t, null).ToString();
_li.Value = objValue == null ? string.Empty : objValue.ToString();
_cbos.Items.Add(_li);
}
if (!string.IsNullOrEmpty(_SelectValue))
_cbos.SelectedItem.Value = _SelectValue;
}
}

其实还有一种方式可以绑定，但是本人更喜欢这种。比如通过Store：

_store = new Store { ID = string.Format("_store{0}", Guid.NewGuid().ToString("N")), IDMode = IDMode.Static };
_jsonReader = new JsonReader();
_jsonReader.Fields.Add(new RecordField("text", RecordFieldType.String));
_jsonReader.Fields.Add(new RecordField("value", RecordFieldType.String));
_store.Reader.Add(_jsonReader);

然后再加上自己定义的URL和参数，定义几个参数，封装一下，也可以通用，这里我就不继续写下去了。

3）SharePoint中，给EXT.NET赋权。

这段代码，提供给需要的人吧。当初这问题把我折磨得快疯狂了。还好想到了这么一个解决方案。

/// <summary>
/// 给EXT.NET脚本赋予特权
/// </summary>
/// <param name="ResManager">ResourceManager</param>
public static void BuildAllPrivilegesForExtNET(this ResourceManager ResManager)
{
if (!X.IsAjaxRequest)
{
SPSecurity.RunWithElevatedPrivileges(
delegate()
{
ResManager.RenderScripts = ResourceLocationType.Embedded;
ResManager.BuildScripts();
ResManager.RenderStyles = ResourceLocationType.Embedded;
ResManager.BuildStyles();
}
);
}
}

4）读取与赋值。

/// <summary>
/// 设置类型的属性值
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="t"></param>
/// <param name="userControl">用户控件</param>
public static void SetValues<T>(this System.Web.UI.Control userControl, T t)
{
Type type = t.GetType();
if (type.IsClass)
{
var properties = type.GetProperties();
foreach (var item in properties)
{
if (item.CanWrite)
{
System.Web.UI.Control control = userControl.FindControl("txt" + item.Name);
if (control != null)
{
string text = string.Empty;
if (control is DateField)
{
DateField _df = control as DateField;

if (_df.IsEmpty)
{
if (item.PropertyType.IsGenericType && item.PropertyType.GetGenericTypeDefinition() == typeof(Nullable<>))
item.SetValue(t, null, null);
//else
//    item.SetValue(t, System.Data.DbType.DateTime., null);
continue;
}
else
text = _df.Text;
}
if (control is TextFieldBase)
text = (control as TextFieldBase).Text.Trim();

if (item.PropertyType.IsEnum)
{
item.SetValue(t, Enum.ToObject(item.PropertyType, text), null);
}
else
{
//判断是否为可为空类型
if (item.PropertyType.IsGenericType && item.PropertyType.GetGenericTypeDefinition() == typeof(Nullable<>))
{
if (item.PropertyType.GetGenericArguments()[0].Equals(typeof(DateTime)) && text == "0001/1/1 0:00:00")
item.SetValue(t, null, null);
else
item.SetValue(t, Convert.ChangeType(text, item.PropertyType.GetGenericArguments()[0]), null);
}
else
item.SetValue(t, Convert.ChangeType(text, item.PropertyType), null);
}
}
}
}
}
}

/// <summary>
/// 设置控件的属性值
/// </summary>
/// <typeparam name="T">类型</typeparam>
/// <param name="t">类的对象</param>
/// <param name="userControl">用户控件</param>
public static void SetControlValues<T>(this System.Web.UI.UserControl userControl, T t)
{
Type type = t.GetType();
if (type.IsClass)
{
var properties = type.GetProperties();
foreach (var item in properties)
{
System.Web.UI.Control control = userControl.FindControl("txt" + item.Name);
if (control != null)
{
if (control is TextFieldBase)
{
TextFieldBase txt = control as TextFieldBase;
object obj = item.GetValue(t, null);
if (obj != null)
txt.Text = obj.ToString();
}
else if (control is DisplayField)
{
DisplayField txt = control as DisplayField;
object obj = item.GetValue(t, null);
if (obj != null)
txt.Text = obj.ToString();
}
}
}
}
}

上面的代码进行了可为空类型的判断，这点需要注意。

5）设置通用的表单验证脚本。

该出图的时候还是得出图啊。

首先需要验证的表单页面得挂上这段JS：

var valCss = '';

function showMsg(title, content, cs) {

if (valCss != cs) {

valCss = cs;

Ext.net.Notification.show({

hideFx: {

fxName: 'switchOff',

args: [{}]

},

showFx: {

args: [

'C3DAF9',

1,

{

duration: 2.0

}

],

fxName: 'frame'

},

iconCls: cs,

closeVisible: true,

html: content,

title: title + '   ' + new Date().format('g:i:s A')

});

}

}

然后：

if (!string.IsNullOrEmpty(_fp.Listeners.ClientValidation.Handler))
return;
_fp.Listeners.ClientValidation.Handler =
@"
var isCheckd=valid;var msgs;var msg='';
if(typeof(ValCustomValidator)=='function')
{
msgs=ValCustomValidator(false,valid);
if(typeof(msgs.IsVal)!='undefined')
{
isCheckd=msgs.IsVal;
if(msgs.Message!='')
msg='<span style=\'color:red;\'>'+msgs.Message+'</span>';
}
else
isCheckd=msgs;
}
if(typeof(#{btnSave})!='undefined' && #{btnSave}!=null)#{btnSave}.setDisabled(!isCheckd);
if(typeof(#{btnSumbit1})!='undefined' && #{btnSumbit1}!=null)#{btnSumbit1}.setDisabled(!isCheckd);
var valCs=isCheckd ? 'valaccept' : 'valexclamation';
if (msg=='') msg=isCheckd ? '<span style=\'color:green;\'>验证通过，可以提交数据</span>' : '<span style=\'color:red;\'>输入有误，请检查标红的输入项。</span>';
this.getBottomToolbar().setStatus({text :msg, iconCls: valCs});showMsg('温馨提示',msg,valCs);
";

顺便解释一下：

支持在页面上写自定义验证函数“ValCustomValidator”。存在与否都不会引发异常。

支持页面上防止保存提交按钮，存在与否也没关系。

你还可以根据自己的情况自定义。

因为这里是通用的，比如默认给每一个表单使用这个验证脚本。那么如何实现自定义验证呢？先欣赏两幅美图：



然后右下角就来提示了：



这里再贴上具体的JS：

var ids1 = [
"ctl00_ctl07_g_6fdea0d3_1768_457b_a4ba_ff8b3fc1ea4e_g_6fdea0d3_1768_457b_a4ba_ff8b3fc1ea4e_ASP_wpresources_usercontrols_form_packagenotice_ascx_txt100E44D593C054BFD9B13EBFBD9AAA41A", "ctl00_ctl07_g_6fdea0d3_1768_457b_a4ba_ff8b3fc1ea4e_g_6fdea0d3_1768_457b_a4ba_ff8b3fc1ea4e_ASP_wpresources_usercontrols_form_packagenotice_ascx_txt124C85DB03BA04EBDBE5055EAC5FACAEC", "ctl00_ctl07_g_6fdea0d3_1768_457b_a4ba_ff8b3fc1ea4e_g_6fdea0d3_1768_457b_a4ba_ff8b3fc1ea4e_ASP_wpresources_usercontrols_form_packagenotice_ascx_txt1DF8DD73F58F84492B89D7194D52D947F", "ctl00_ctl07_g_6fdea0d3_1768_457b_a4ba_ff8b3fc1ea4e_g_6fdea0d3_1768_457b_a4ba_ff8b3fc1ea4e_ASP_wpresources_usercontrols_form_packagenotice_ascx_txt1ADD45D7F275148769BD0E20013DC25F2"];

var ids2 = ["ctl00_ctl07_g_6fdea0d3_1768_457b_a4ba_ff8b3fc1ea4e_g_6fdea0d3_1768_457b_a4ba_ff8b3fc1ea4e_ASP_wpresources_usercontrols_form_packagenotice_ascx_txt200E44D593C054BFD9B13EBFBD9AAA41A", "ctl00_ctl07_g_6fdea0d3_1768_457b_a4ba_ff8b3fc1ea4e_g_6fdea0d3_1768_457b_a4ba_ff8b3fc1ea4e_ASP_wpresources_usercontrols_form_packagenotice_ascx_txt224C85DB03BA04EBDBE5055EAC5FACAEC", "ctl00_ctl07_g_6fdea0d3_1768_457b_a4ba_ff8b3fc1ea4e_g_6fdea0d3_1768_457b_a4ba_ff8b3fc1ea4e_ASP_wpresources_usercontrols_form_packagenotice_ascx_txt2DF8DD73F58F84492B89D7194D52D947F", "ctl00_ctl07_g_6fdea0d3_1768_457b_a4ba_ff8b3fc1ea4e_g_6fdea0d3_1768_457b_a4ba_ff8b3fc1ea4e_ASP_wpresources_usercontrols_form_packagenotice_ascx_txt2ADD45D7F275148769BD0E20013DC25F2"];
function valSumMax(ids, maxValue, msg) {
if (ids != null && ids.length > 0) {
var _temp = 0;
for (var i = 0; i < ids.length; i++) {
var value = Ext.getCmp(ids[i]).getValue();
var _currentValue = parseInt(value);
_temp += isNaN(_currentValue) ? 0 : _currentValue;
if (_temp > maxValue) {

var message = { 'IsVal': false, 'Message': msg != "" ? msg : ("当前值" + _temp + "超过最大值" + maxValue + "。") };
return message;
}
}
}
var message = { 'IsVal': true, 'Message': '' };
return message;
}
function CustomValidator() {
var msg = valSumMax(ids1, 2, "美容顾问服装最多只能填2件。请修改总数。");
if (!msg.IsVal)
return msg;
msg = valSumMax(ids2, 6, "美容师服装最多只能填6件。请修改总数。");
return msg;
}
function ValCustomValidator(isVal, valid) {
if (typeof (valid) != 'undefined' && (!valid))
return valid;
if (typeof (isVal) == 'undefined' || isVal == null || isVal) {
var msg = CustomValidator();
if (!msg.IsVal) {
Ext.MessageBox.show({
title: '错误',
msg: msg.Message,
buttons: Ext.MessageBox.OK,
icon: Ext.MessageBox.ERROR
});
return false;
} else {
return true;
}
} else {
return CustomValidator();
}
}

看到上面那一串ID没，这就是不使用IDMode的后果。因为刚开始接触，未发现有这么个好东东。

好了，今天就到此为止吧，我们还会见面的。我上面用了一些反射，大家都说反射性能怎么样怎么样，但是这点消耗有时大可不必担心，不过有些还是可以优化的，比如绑定下拉列表，使用Store结合HttpProxy的话，就完全不需要用反射了。只是每次绑定的时候，代码里面要调用下，然后Httphandler类也要写点代码。

当然我封装的并不止这一些，但是只适合我自己的系统，就不方便拿出来了。

兄弟我先抛块砖，有玉的赶紧砸过来吧。