作为一个ERP数据处理框架,大部分的开发场景都差不多。
理想中,对于通用数据处理,我的步骤如下:
1、为窗体指定数据来源(数据表/查询等);
2、拖入编辑控件,指定绑定字段;
3、结束。
为此,我设计了几个基类窗体,给它们分成几个场景(如无数据/单表数据/主从表/多表关联等),在不同的业务模型下,我选取相应的基类窗体进行继承。
首先,看看最基础的基类窗体,它包含了基础的处理(诸如多语言加载、权限判断、状态刷新、自动数据绑定等基础方法和属性):
![](https://images.cnblogs.com/OutliningIndicators/ContractedBlock.gif)
/// <summary> /// 窗体基类 /// </summary> public partial class Fm11Base : Form { //private:只能在本类中使用 //protected:在本类中及其子类中可以使用 //internal:同一命名空间(程序集)中的类可以使用 //public:所有类均可使用 /// <summary> /// 用于耗时任务展示任务运行状态 /// </summary> protected Fm11BgwkStatus fm11BgwkStatus; [Description("窗体除基本状态控制查改删外,是否跳过其它权限控制.为是的情况下,所有权限判定都将为真."), DefaultValue(false), Browsable(true)] public bool IgnoreRightsControl { get; set; } /// <summary> /// <para>指定当前绑定的数据源.在获取数据来源后并绑定后记录一个标记值,用于一个窗体多个绑定源时区分当前所绑定的数据源.</para> /// 单个绑定源可在FormOnload时绑定一次,无需设置 /// </summary> public BindingSource CurBindingSource { get; set; } /// <summary> /// <para>指定已经绑定过的数据源名称,避免重复绑定</para> /// 一般只有一个BSMaster,当存在多个时,以A,B,C方式存入. /// </summary> public List<string> HasBindBSNames { get; set; } = new List<string>(); /// <summary> /// 窗体当前绑定的主要数据源的新增/编辑位置(当记录进入新增和编辑状态时,需写入此值;当浏览到其它记录以便复制粘贴时,可以利用此状态) /// </summary> public int CurBSEditPos = -1; /// <summary> /// 窗体当前绑定的主要数据源的当前位置(不一定是编辑位置) /// </summary> public int CurBSPosition = 0; /// <summary> /// 窗体正在创建时(不是Loading),利用此标记在加载数据时不触发CurrentChange事件 /// </summary> public bool OnIniting = false; /// <summary> /// 编辑状态标记:0-浏览,1-新增,2-编辑 /// </summary> [Description("编辑状态标记:0-浏览,1-新增,2-编辑"), Browsable(false)] public int EditStatus; /// <summary> /// 从对象列表中定义的加载参数,窗体加载时提供.主要用于同一个窗体在不同模块加载时根据此参数进行数据过滤.如果权限窗体,不同模块点开则由只显示指定模块的数据. /// </summary> [Description("窗体加载时提供的参数,主要用于同一个窗体在不同模块加载时根据此参数进行数据过滤.如果权限窗体,不同模块点开则由只显示指定模块的数据."), Browsable(true)] public string OnLoadParams { get; set; } /// <summary> /// 当前用户打开窗体后带入的权限列表 /// </summary> [Description("当前用户打开窗体后带入的权限列表"), Browsable(false)] public string RightsList; /// <summary> /// 默认将ENTER键动作转为TAB /// </summary> public bool EnterToTAB = true; /// <summary> /// 显示模式:0为帐户ID;1为姓名;2为用户全名; 3为用户名 - 姓名;4为用户名 - 全名; /// </summary> protected internal int UserNameDispType = 4; /// <summary> /// 所有窗体的基类,可以设置多语言等通用功能 /// </summary> public Fm11Base() { OnIniting = true; InitializeComponent(); } /// <summary> /// 按指定的键值直接定位到某条记录 /// </summary> /// <param name="tagBS">指定BS,有可能是定位其它数据源而非主数据</param> /// <param name="tagDT">必须指定DT,与BS匹配,除直接DT外,有可能是Dataset的某一Table或关联表的连接</param> /// <param name="keyFieldName">字段名称</param> /// <param name="pKeyValue">字段值</param> public virtual void GotoRecord(BindingSource tagBS, DataTable tagDT, string keyFieldName, object pKeyValue) { if (tagBS == null) { MyMsg.Warning("数据源未完成初始化,无法定位."); return; } if (EditStatus != 0) { MyMsg.Warning("窗体正在编辑中,无法定位."); return; } HpDataTable.GotoRecord(tagBS, tagDT, keyFieldName, pKeyValue); } /// <summary> /// 设置当前窗体的状态栏标签(名称需指定为:LabStsMain)字符串(不是主框架的状态栏字符); /// 输入..将默认显示(等待指令...) /// </summary> /// <param name="statusText"></param> protected void SetMainStatus(string statusText) { object o = GetObjInstance("LabStsMain"); if (o == null) o = GetObjInstance("StsLabMain"); if (o != null) { if (statusText == "..") statusText = MultiLang.Surface(null, "Waitting", "", true); ((ToolStripStatusLabel)o).Text = statusText; Refresh(); } else { MyMsg.Exclamation("The status label does not exist."); return; } } private void Fm11Base_FormClosing(object sender, FormClosingEventArgs e) { if (EditStatus > 0) { if (e.CloseReason == CloseReason.UserClosing || e.CloseReason == CloseReason.FormOwnerClosing || e.CloseReason == CloseReason.None) { if (MyMsg.Question("当前窗体正处于"+(EditStatus==1?"新增":"编辑")+"状态,确定要继续关闭吗?") == DialogResult.No) { e.Cancel = true; } } } } /// <summary> /// 获取当前的活动控件 /// </summary> /// <returns></returns> protected Control GetActiveControl() { Control activeControl = this.ActiveControl; while ((activeControl as ContainerControl) != null) { activeControl = (activeControl as ContainerControl).ActiveControl; } return activeControl; } /// <summary> /// 截获系统消息 /// </summary> /// <param name="msg"></param> /// <param name="keyData"></param> /// <returns></returns> protected override bool ProcessCmdKey(ref Message msg, Keys keyData) { Control actControl = GetActiveControl(); if ((keyData == Keys.Enter) && (EnterToTAB == true) && !(actControl is Button)) { Type mtype = actControl.GetType(); if (mtype.GetProperty("AcceptsReturn") != null) { bool acptRtn =OString.NZ2Bool(mtype.GetProperty("AcceptsReturn").GetValue(actControl, null)); if (!acptRtn) { SendKeys.Send("{TAB}"); return true; } else { return false; } } else { SendKeys.Send("{TAB}"); return true; } } else if (keyData == Keys.F12) { Control control = GetActiveControl(); if (control == null) return false; string tipStr = OString.NZ2Str(control.AccessibleDescription).Trim(); if (!string.IsNullOrEmpty(tipStr)) { if (control.Parent != null) { TtipF12.Show(tipStr, control.Parent, control.Location.X, control.Location.Y + 26, 2000); return false; } else return false; } else return false; } else { return false; } } /// <summary> /// 判断当前用户是否在当前窗体拥有权限(可支持多个权限同时判断,以逗号分割) /// <para>同时满足时才会返回True</para> /// </summary> /// <param name="rightCodes">add,open等权限码,不区分大小写</param> /// <returns></returns> protected bool HasRights(string rightCodes) { if (IgnoreRightsControl || (GlbInfo.User.IsAdmin)) return true; if (OString.ListInListNeedAll(rightCodes, RightsList,",",true)) { return true; } else return false; } /// <summary> /// 判断当前用户是否在指定的业务角色中(可支持多个角色同时判断,以逗号分割) /// <para>同时满足时才会返回True</para> /// </summary> /// <param name="roleRKEYs">{DEV}开发者,{ALL}全体等角色RKEY,不区分大小写</param> /// <returns></returns> protected bool HasRolesBusi(string roleRKEYs) { if (OString.ListInListNeedAll(roleRKEYs, GlbInfo.User.RolesUserIDS,",",true)) { return true; } else return false; } /// <summary> /// 设置控件的属性值(无此属性或设置出错则返回FALSE) /// </summary> /// <param name="targetControl">目标控件</param> /// <param name="PropName">区分大小写</param> /// <param name="setValue">写入值</param> /// <returns></returns> public bool BaseSetControlProp(Control targetControl, string PropName, object setValue) { try { Type type = targetControl.GetType(); PropertyInfo per = type.GetProperty(PropName); if (per != null) { per.SetValue(targetControl, setValue, null); return true; } return false; } catch (Exception) { return false; } } /// <summary> /// 设置控件的属性值(无此属性或设置出错则返回FALSE) /// </summary> /// <param name="targetObject"></param> /// <param name="PropName"></param> /// <param name="setValue"></param> /// <returns></returns> public bool BaseSetObjectProp(object targetObject, string PropName, object setValue) { try { Type type = targetObject.GetType(); PropertyInfo per = type.GetProperty(PropName); if (per != null) { per.SetValue(targetObject, setValue, null); return true; } return false; } catch (Exception) { return false; } } /// <summary> /// 清空控件中的子控件值(有Value属性的会先设置Value,其他设置Text) /// </summary> /// <param name="targetControl">目标控件,如PANEL</param> /// <param name="expChildNames">要排除的子控件名称,以(,)号分隔.</param> public void BaseClearControl(Control targetControl, string expChildNames = "") { if (targetControl.Controls.Count > 0) { foreach (Control ctl in targetControl.Controls) { if (string.IsNullOrEmpty(expChildNames) || (("," + expChildNames + ",").IndexOf("," + ctl.Name + ",") < 0)) {//没有指定过滤控件或者当前控件不是指定过滤控件 if (!(ctl is Label) && !(ctl is Button)) { if (!BaseSetControlProp(ctl, "Value", null)) { BaseSetControlProp(ctl, "Text", null); } } } } } } /// <summary> /// 将指定控件的所有子控件设置为只读(无ReadOnly及JmReadOnly属性的设置Enabled) /// </summary> /// <param name="targetControl">目标控件</param> /// <param name="readOnly">是否只读</param> protected void BaseSetControlReadonly(Control targetControl, bool readOnly) { if (targetControl.Controls.Count > 0) { foreach (Control ctl in targetControl.Controls) { if (BaseSetControlProp(ctl, "ReadOnly", readOnly)) { BaseSetControlProp(ctl, "Enabled", true); } else { if (BaseSetControlProp(ctl, "JmReadOnly", readOnly)) { BaseSetControlProp(ctl, "Enabled", true); } else { //如果无ReadOnly及JmReadOnly属性,并且此控件没有子控件(如Panel下有子控件,则不能设置Panel为无效,而应该设置其子控件),则设置Enabled属性. if (ctl.Controls.Count < 1) { BaseSetControlProp(ctl, "Enabled", !readOnly); } else { BaseSetControlReadonly(ctl, readOnly); } } } } } else { if (BaseSetControlProp(targetControl, "ReadOnly", readOnly)) {//成功设置了只读,放开Enabled属性 BaseSetControlProp(targetControl, "Enabled", true); } } } /// <summary> /// 根据控件名称取得object对象 /// </summary> /// <param name="objName"></param> /// <returns></returns> protected object GetObjInstance(string objName) { try { object o = this.GetType().GetField(objName, BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.IgnoreCase).GetValue(this); return o; } catch (Exception) { return null; } } /// <summary> /// 在某个对象内根据控件名称获取子对象 /// </summary> /// <param name="tagObject"></param> /// <param name="objName"></param> /// <returns></returns> protected object GetObjInstanceIn(object tagObject, string objName) { try { Type type = tagObject.GetType(); object o = type.GetField(objName, BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.IgnoreCase).GetValue(this); return o; } catch (Exception ex) { MyMsg.Information(ex.Message); return null; } } #region 数据操作按钮通用方法 /// <summary> /// 设置窗体中新增/编辑等符合命名规则的按钮状态(含权限判断) /// </summary> protected virtual void BaseResetCmdState() { SetObjectEnabled("CmdRcdNew", (EditStatus == 0) && HasRights("add")); SetObjectEnabled("CmdRcdBack", (CurBSEditPos >= 0) && (CurBSPosition != CurBSEditPos)); SetObjectEnabled("CmdRcdCopyNew", (EditStatus == 0) && HasRights("add")); SetObjectEnabled("CmdRcdEdit", (EditStatus == 0) && HasRights("edit")); SetObjectEnabled("CmdRcdUndo", (EditStatus > 0)); SetObjectEnabled("CmdRcdSave", (EditStatus > 0) && (HasRights("add") || HasRights("edit"))); SetObjectEnabled("CmdRcdDelete", (EditStatus == 0) && HasRights("delete")); SetObjectEnabled("CmdRcdPreview", (EditStatus == 0) && (HasRights("preview") || HasRights("print"))); SetObjectEnabled("CmdRcdPrint", (EditStatus == 0) && HasRights("print")); SetObjectEnabled("CmdRcdSync", (EditStatus == 0) && HasRights("sync")); } /// <summary> /// 设置对象(Control/ToolStripItem)是否可用 /// </summary> /// <param name="objName"></param> /// <param name="enb"></param> public void SetObjectEnabled(string objName, bool enb) { object tagO = GetObjInstance(objName); if (tagO == null) return; if (tagO is Control) { ((Control)tagO).Enabled = enb; } else if (tagO is ToolStripItem) { ((ToolStripItem)tagO).Enabled = enb; } } #endregion private void InitControlText(string ctlName,string tagText) { object o = GetObjInstance(ctlName); if (o != null) { Type mtype = o.GetType(); if (mtype.GetProperty("Text") != null) { if (mtype.GetProperty("Text").GetValue(o, null) != null) { if (!string.IsNullOrEmpty(tagText)) mtype.GetProperty("Text").SetValue(o, tagText, null); } } } } /// <summary> /// 对A12系列控件进行初始化作业(Datagridview中的列控件无法自动初始化) /// </summary> /// <param name="tagControls"></param> private void DoA12ControlInits(Control.ControlCollection tagControls) { try { foreach (Control ctc in tagControls) { if (ctc != null) { Type tmpType = ctc.GetType(); if ((!ctc.HasChildren) || OString.StrInSplitString(tmpType.Name, "A12BtnTextBox,A12ComboBox")) { if (tmpType.Name == "A12ComboBox") { MethodInfo mm = tmpType.GetMethod("DoRequery"); mm.Invoke(ctc, null); } else if (tmpType.Name == "A12BtnTextBox") { MethodInfo mm = tmpType.GetMethod("DoInitilize"); mm.Invoke(ctc, null); } } else { DoA12ControlInits(ctc.Controls); } } } } catch (Exception) { } } private void Fm11Base_Load(object sender, EventArgs e) { OnIniting = false; //加载多语言资源,设计时状态不运行 if (!DesignMode) { InitObjectsText(this); //设置全局固定的多语言 InitControlText("TpgDataList", MultiLang.Surface(null, "FormTabList", "", true)); InitControlText("TpgDataDetail", MultiLang.Surface(null, "FormTabDetail", "", true)); InitControlText("CmdRcdNew", MultiLang.Surface(null, "CmdRcdNew", "", true)); InitControlText("CmdRcdBack", MultiLang.Surface(null, "CmdRcdBack", "", true)); InitControlText("CmdRcdCopyNew", MultiLang.Surface(null, "CmdRcdCopyNew", "", true)); InitControlText("CmdRcdEdit", MultiLang.Surface(null, "CmdRcdEdit", "", true)); InitControlText("CmdRcdUndo", MultiLang.Surface(null, "CmdRcdUndo", "", true)); InitControlText("CmdRcdSave", MultiLang.Surface(null, "CmdRcdSave", "", true)); InitControlText("CmdRcdDelete", MultiLang.Surface(null, "CmdRcdDelete", "", true)); InitControlText("CmdRcdPreview", MultiLang.Surface(null, "CmdRcdPreview", "", true)); InitControlText("CmdRcdPrint", MultiLang.Surface(null, "CmdRcdPrint", "", true)); InitControlText("CmdRcdSync", MultiLang.Surface(null, "CmdRcdSync", "", true)); string txtRequery = MultiLang.Surface(null, "CmdRequery", "", true); InitControlText("CmdRequery01", txtRequery); InitControlText("CmdRequery02", txtRequery); InitControlText("CmdRequery03", txtRequery); InitControlText("CmdRequery04", txtRequery); InitControlText("CmdRequery05", txtRequery); string txtFilter = MultiLang.Surface(null, "LabFilter", "", true); InitControlText("LabFilter01", txtFilter); InitControlText("LabFilter02", txtFilter); InitControlText("LabFilter03", txtFilter); InitControlText("LabFilter04", txtFilter); InitControlText("LabFilter05", txtFilter); } //对A12系列控件进行初始化作业(如初始化下拉框控件数据) DoA12ControlInits(this.Controls); } /// <summary> /// 初始化当前窗体内的文本(如果设置了多语言文件,则按多语言定义文件显示) /// Tooltips控件不支持多语言显示 /// </summary> /// <param name="tagObj">默认为this</param> public void InitObjectsText(object tagObj) { Type curType = tagObj.GetType(); FieldInfo[] fieldInfos = curType.GetFields(BindingFlags.NonPublic | BindingFlags.Instance); string tmpText = string.Empty; foreach (FieldInfo fi in fieldInfos) { object o = fi.GetValue(this); if (o != null) { Type objType = o.GetType(); if (objType.GetProperty("Text") != null) { tmpText = MultiLang.Surface(this, fi.Name + ".Text", string.Empty); if (!string.IsNullOrEmpty(tmpText)) objType.GetProperty("Text").SetValue(o, tmpText, null); } if (objType.GetProperty("Caption") != null) { tmpText = MultiLang.Surface(this, fi.Name + ".Caption", string.Empty); if (!string.IsNullOrEmpty(tmpText)) objType.GetProperty("Caption").SetValue(o, tmpText, null); } if (objType.GetProperty("Hint") != null) { tmpText = MultiLang.Surface(this, fi.Name + ".Hint", string.Empty); if (!string.IsNullOrEmpty(tmpText)) objType.GetProperty("Hint").SetValue(o, tmpText, null); } if (objType.GetProperty("SuperTip") != null) { tmpText = MultiLang.Surface(this, fi.Name + ".SuperTip", string.Empty); if (!string.IsNullOrEmpty(tmpText)) objType.GetProperty("SuperTip").SetValue(o, tmpText, null); } } } } private void Fm11Base_Resize(object sender, EventArgs e) { //此处避免子窗体切换时造成闪屏 if (this.IsMdiChild) { if (this.ParentForm.ActiveMdiChild == this) { this.WindowState = FormWindowState.Maximized; } else { this.WindowState = FormWindowState.Normal; } } } /// <summary> /// 根据提供的BindingSource,自动绑定窗体控件的数据来源(要求命名规则匹配); /// <para>首先绑定勾选框属性(点击即更新数据源,DBNull默认为False)</para> /// <para>再绑定Value及Text,所有绑定都默认从数据源带出格式验证</para> /// 如果控件在Tag中指定了绑定字段{BindingField:RKEY},则使用指定值绑定 /// </summary> /// <param name="ctc">要绑定的控件集合,如This.controls会查询整个窗体控件,如果有明确的定义,尽量缩小范围,如指定某个Panel或Page中的控件</param> /// <param name="bindingSource">不指定时将使用窗体的当前绑定的BS</param> /// <param name="bindingName">绑定名称,避免重复绑定</param> /// <param name="bindlevel">绑定层次,此值在外部调用时无须变更,默认为0即可.递归绑定子控件时不会因为bindingName忽略绑定</param> protected void AutoBindDataSource(Control.ControlCollection ctc, BindingSource bindingSource = null, string bindingName = "BSMaster", int bindlevel = 0) { string stText = MultiLang.Surface(null, "BindingControlDS", "正在为控件绑定数据来源", true); try { //首次绑定时,如果窗体已经绑定过此数据源,则退出.如果是下级控件绑定,则继续 if ((HasBindBSNames.Contains(bindingName)) && (bindlevel == 0)) { return; } if (bindingSource == null) { if (CurBindingSource == null) { SetMainStatus(stText + "error(current bs is null)."); return; } else { bindingSource = CurBindingSource; } } SetMainStatus(stText + "..."); foreach (Control ctrl in ctc) { if (ctrl != null) { Type mtype = ctrl.GetType(); //A12BtnTxt包含子组件,是一个组合控件,应当成一个整体看待 if ((!ctrl.HasChildren) || (mtype.Name=="A12BtnTextBox") || (mtype.Name=="A12TextBox") || (mtype.Name == "A12ComboBox")) { string tagFieldName = string.Empty; string ctrlTagString = OString.NZ2Str(ctrl.Tag); string tagRlsControlName = OString.GetMidStr(ctrlTagString, "{UserNameLab:", "}").Trim(); //看下控件是否有TagBindField属性 if (mtype.GetProperty("TagBindField") != null) { object o = mtype.GetProperty("TagBindField").GetValue(ctrl,null); if (o != null) tagFieldName = o.ToString(); } //如果没有获取到,则从Tag中获取 if (string.IsNullOrEmpty(tagFieldName)) { tagFieldName = OString.GetMidStr(ctrlTagString, "{BindingField:", "}").Trim(); } //如果没有获取到,则从名称中截取 if (string.IsNullOrEmpty(tagFieldName)) { if ((ctrl.Name.IndexOf("AB") == 0) && (ctrl.Name.IndexOf("_") > 0)) { tagFieldName = ctrl.Name.Substring(ctrl.Name.IndexOf("_") + 1); } } if (!string.IsNullOrEmpty(tagFieldName)) { try { Binding TmpBinding = null; if (mtype.Name == "A12ComboBox") //自定义下拉框控件直接绑定Value属性 { TmpBinding = ctrl.DataBindings.Add("Value", bindingSource, tagFieldName, true); } else if (mtype.Name == "A12BtnTextBox") { TmpBinding = ctrl.DataBindings.Add("Value", bindingSource, tagFieldName, true); } else if (ctrl is DateTimePicker) { //日期时间控件直接绑定Text属性 TmpBinding = ctrl.DataBindings.Add("Text", bindingSource, tagFieldName, true,DataSourceUpdateMode.OnPropertyChanged); } else { if (mtype.GetProperty("Checked") != null) { TmpBinding = ctrl.DataBindings.Add("Checked", bindingSource, tagFieldName, true, DataSourceUpdateMode.OnPropertyChanged, 0);//当null时设置为0,不能为False,否则会出错. } else if (mtype.GetProperty("Value") != null) { TmpBinding = ctrl.DataBindings.Add("Value", bindingSource, tagFieldName, true); } else if (mtype.GetProperty("Text") != null) { TmpBinding = ctrl.DataBindings.Add("Text", bindingSource, tagFieldName, true); } } if ((TmpBinding != null) && (!string.IsNullOrEmpty(tagRlsControlName))) { TmpBinding.BindingComplete += BaseBSBindingComplete; } } catch (Exception) { continue; } } //没有子控件的处理完成直接跳到下一个控件,否则检查子控件 continue; } else { AutoBindDataSource(ctrl.Controls, bindingSource, bindingName, 1); } //否则检查子控件 } } //首次绑定才记录此值,递归时下级控件绑定不变更 if (bindlevel == 0) HasBindBSNames.Add(bindingName); } catch (Exception ex) { SetMainStatus(stText + "error:" + ex.Message); } finally { SetMainStatus(""); } } /// <summary> /// 数据绑定交互后,对设置有{UserNameLab:的Tag属性的控件,根据其值(用户ID)关联显示用户其他信息 /// <para>{UserNameLab:Lab1}中Lab1即为显示额外信息的控件名称</para> /// </summary> /// <param name="sender"></param> /// <param name="e">接受一个Bindingsource的BindingComplete事件</param> protected void BaseBSBindingComplete(object sender, BindingCompleteEventArgs e) { if (e.BindingCompleteState == BindingCompleteState.Success) { string ctrlTagString = OString.NZ2Str(e.Binding.Control.Tag); string tagRlControlName = OString.GetMidStr(ctrlTagString, "{UserNameLab:", "}").Trim(); if (!string.IsNullOrEmpty(tagRlControlName)) { //绑定控件指定了自动关联控件 string userID = "system"; Type stype = e.Binding.Control.GetType(); if (stype.GetProperty("Text") != null) { userID = e.Binding.Control.Text; } object tagO = GetObjInstance(tagRlControlName); if (tagO != null) { try { string tagValue = string.Empty; if (UserNameDispType == 0) { tagValue = userID; } else { List<object> tagUser = GlbInfo.GetSysUserInfo(userID, "UserName" + GlbInfo.Language + ",FullName" + GlbInfo.Language); if (tagUser.Count > 0) { if (UserNameDispType == 1) tagValue = OString.NZ2Str(tagUser[0]); else if (UserNameDispType == 2) tagValue = OString.NZ2Str(tagUser[1]); else if (UserNameDispType == 3) tagValue = userID + " - " + OString.NZ2Str(tagUser[0]); else if (UserNameDispType == 4) tagValue = userID + " - " + OString.NZ2Str(tagUser[1]); } } Type mtype = tagO.GetType(); if (mtype.GetProperty("Value") != null) { BaseSetObjectProp(tagO, "Value", tagValue); } else if (mtype.GetProperty("Text") != null) { BaseSetObjectProp(tagO, "Text", tagValue); } } catch (Exception) { } } } } } #region 对话框显示应用程序作业状态 /// <summary> /// 指定一个耗时任务监控窗体的运行参数, 其中RunningAction = delegate () { MethordName(bgwk); } /// </summary> protected class BgwkDef { public BackgroundWorker TagBgwk; public Action RunningAction; public int TProgMinimum = 0; public int TProgStep = 1; public int TProgMaximum = 100; public string RunningStatus; } /// <summary> /// 开始一个耗时较久的任务,调用前须先定义一个BgwkDef /// </summary> /// <param name="sBgwkDef"></param> protected void BeginBgwork(BgwkDef sBgwkDef) { if (fm11BgwkStatus == null) { fm11BgwkStatus = new Fm11BgwkStatus(); } if (fm11BgwkStatus != null) { fm11BgwkStatus.ProgMain.Minimum = sBgwkDef.TProgMinimum; fm11BgwkStatus.ProgMain.Step = sBgwkDef.TProgStep; fm11BgwkStatus.ProgMain.Maximum = sBgwkDef.TProgMaximum; fm11BgwkStatus.TopLevel = false; fm11BgwkStatus.Parent = this; fm11BgwkStatus.Show(); fm11BgwkStatus.BringToFront(); fm11BgwkStatus.Left = (this.Width - fm11BgwkStatus.Width) / 2; fm11BgwkStatus.Top = (this.Height - fm11BgwkStatus.Height) / 2 - 90; } if (sBgwkDef.RunningAction == null) { MyMsg.Warning("系统后台任务必须指定作业方法,请检查!"); return; } BackgroundWorker tagBgwk = sBgwkDef.TagBgwk ?? new BackgroundWorker(); tagBgwk.WorkerSupportsCancellation = true; tagBgwk.WorkerReportsProgress = true; tagBgwk.DoWork -= BgwkBase_DoWork; tagBgwk.DoWork += BgwkBase_DoWork; tagBgwk.ProgressChanged -= BgwkBase_ProgressChanged; tagBgwk.ProgressChanged += BgwkBase_ProgressChanged; tagBgwk.RunWorkerCompleted -= BgwkBase_RunWorkerCompleted; tagBgwk.RunWorkerCompleted += BgwkBase_RunWorkerCompleted; tagBgwk.RunWorkerAsync(sBgwkDef.RunningAction); } protected void CancelBgwork(BackgroundWorker tagBgwk) { tagBgwk.CancelAsync(); } protected void BgwkBase_DoWork(object sender, DoWorkEventArgs e) { ((Action)e.Argument).Invoke(); } protected void BgwkBase_ProgressChanged(object sender, ProgressChangedEventArgs e) { if (fm11BgwkStatus != null) { fm11BgwkStatus.ProgMain.Value = e.ProgressPercentage > fm11BgwkStatus.ProgMain.Maximum ? fm11BgwkStatus.ProgMain.Maximum : e.ProgressPercentage; fm11BgwkStatus.ProgMain.PerformStep(); fm11BgwkStatus.LabMessage.Text = e.UserState.ToString(); fm11BgwkStatus.LabMessage.Refresh(); } SetMainStatus(e.UserState.ToString()); } protected void BgwkBase_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e) { if (e.Cancelled) { } if (fm11BgwkStatus != null) { fm11BgwkStatus.Close(); fm11BgwkStatus = null; } } #endregion /// <summary> /// 当前BS绑定的Datatable提交变更 /// </summary> protected void BaseCurBSDTAccept() { if (CurBindingSource.DataSource is DataTable dtb) { dtb.AcceptChanges(); } else if (CurBindingSource.DataSource is DataSet dsb) { if (!string.IsNullOrEmpty(CurBindingSource.DataMember)) { dsb.Tables[CurBindingSource.DataMember].AcceptChanges(); } } } /// <summary> /// 当前BS绑定的Datatable回滚变更,并放弃当前新增的行,此项须配合DGV的CancelEdit(),A12DataGridView使用其自带的Undo /// </summary> protected void BaseCurBSDTUndo() { if (CurBindingSource != null) CurBindingSource.CancelEdit(); if (CurBindingSource.Current != null) { DataRow dataRow = ((DataRowView)CurBindingSource.Current).Row; dataRow.RejectChanges(); //放弃本行 } if (CurBindingSource.DataSource is DataTable dtb) { dtb.RejectChanges(); } else if (CurBindingSource.DataSource is DataSet dsb) { if (!string.IsNullOrEmpty(CurBindingSource.DataMember)) { dsb.Tables[CurBindingSource.DataMember].RejectChanges(); } } } /// <summary> /// 根据用户权限及操作条件刷新控件状态(基类无任何事件,需在继承事件上处理) /// <para>此外会对tag中含有{UserNameLab:的控件进行关联显示用户名</para> /// 设置权限请依照从大控件到小控件设置,以免前面设置的小控件属性被大控件属性覆盖. /// </summary> protected virtual void ResetControlStatus() { BaseResetCmdState(); } /// <summary> /// 标记位置,刷新按钮状态(默认调用数据撤销,如果是A12DataGridView,请使用其自带的Undo,普通DGV需要先调用Dgv的CancelEdit()) /// </summary> /// <param name="needDataUndo">是否需要撤销数据变更,如果是A12DataGridView,请使用其自带的Undo</param> protected virtual void BaseCmdRcdUndo(bool needDataUndo = true) { SetMainStatus(".."); if (needDataUndo) BaseCurBSDTUndo(); CurBSEditPos = -1; EditStatus = 0; ResetControlStatus(); } }
在此基础上,就可以很好的进行进一步的扩展。