简单快速开发C\S架构程序用最简单的不分层最快的效率达到功能要求的例子程序FrmCommentEdit 编辑评论的功能实现

  1 //--------------------------------------------------------------------
  2 // All Rights Reserved , Copyright (C) 2012 , Hairihan TECH, Ltd. 
  3 //--------------------------------------------------------------------
  4 
  5 using System;
  6 using System.Data;
  7 using System.Windows.Forms;
  8 
  9 namespace DotNet.WinForm
 10 {
 11     using DotNet.Business;
 12     using DotNet.Utilities;
 13 
 14     /// <summary>
 15     /// FrmCommentEdit.cs
 16     /// 修改评论
 17     ///    
 18     /// 修改记录
 19     /// 
 20     ///     2012.08.26 版本：1.0 JiRiGaLa  修改功能页面编写。
 21     ///        
 22     /// 版本：1.0
 23     ///
 24     /// <author>
 25     ///        <name>JiRiGaLa</name>
 26     ///        <date>2012.08.26</date>
 27     /// </author> 
 28     /// </summary>
 29     public partial class FrmCommentEdit : BaseForm
 30     {
 31         public FrmCommentEdit()
 32         {
 33             InitializeComponent();
 34         }
 35 
 36         public FrmCommentEdit(string id)
 37             : this()
 38         {
 39             this.EntityId = id;
 40         }
 41 
 42         #region public override void ShowEntity() 显示内容
 43         /// <summary>
 44         /// 显示内容
 45         /// </summary>
 46         public override void ShowEntity()
 47         {
 48             // 获取数据
 49             SQLBuilder sqlBuilder = new SQLBuilder(this.UserCenterDbHelper);
 50             sqlBuilder.BeginSelect(BaseCommentEntity.TableName);
 51             sqlBuilder.SetWhere(BaseCommentEntity.FieldId, this.EntityId);
 52             DataTable dtComment = sqlBuilder.EndSelect();
 53             // 显示信息
 54             BaseCommentEntity commentEntity = new BaseCommentEntity(dtComment);
 55             this.txtComment.Text = commentEntity.Contents;
 56             this.chkWorked.Checked = commentEntity.Worked == 1;
 57             this.txtCreateBy.Text = commentEntity.CreateBy;
 58             if (commentEntity.CreateOn.HasValue)
 59             {
 60                 this.txtCreateOn.Text = ((DateTime)commentEntity.CreateOn).ToString(BaseSystemInfo.DateTimeFormat);
 61             }
 62             if (!string.IsNullOrEmpty(commentEntity.ModifiedBy))
 63             {
 64                 this.txtModifiedBy.Text = commentEntity.ModifiedBy;
 65                 if (commentEntity.ModifiedOn.HasValue)
 66                 {
 67                     this.txtModifiedOn.Text = ((DateTime)commentEntity.ModifiedOn).ToString(BaseSystemInfo.DateTimeFormat);
 68                 }
 69             }
 70         }
 71         #endregion
 72 
 73         #region public override void FormOnLoad() 加载窗体
 74         /// <summary>
 75         /// 加载窗体
 76         /// </summary>
 77         public override void FormOnLoad()
 78         {
 79             // 显示实体
 80             this.ShowEntity();
 81         }
 82         #endregion
 83 
 84         #region public override bool SaveEntity() 保存
 85         /// <summary>
 86         /// 保存
 87         /// </summary>
 88         /// <returns>保存成功</returns>
 89         public override bool SaveEntity()
 90         {
 91             bool returnValue = false;
 92             SQLBuilder sqlBuilder = new SQLBuilder(this.UserCenterDbHelper);
 93             sqlBuilder.BeginUpdate(BaseCommentEntity.TableName);
 94             sqlBuilder.SetValue(BaseCommentEntity.FieldContents, this.txtComment.Text);
 95             sqlBuilder.SetValue(BaseCommentEntity.FieldWorked, this.chkWorked.Checked ? 1 : 0);
 96             sqlBuilder.SetValue(BaseCommentEntity.FieldModifiedUserId, this.UserInfo.Id);
 97             sqlBuilder.SetValue(BaseCommentEntity.FieldModifiedBy, this.UserInfo.RealName);
 98             sqlBuilder.SetDBNow(BaseCommentEntity.FieldModifiedOn);
 99             sqlBuilder.SetWhere(BaseCommentEntity.FieldId, this.EntityId);
100             returnValue = sqlBuilder.EndUpdate() > 0;
101             return returnValue;
102         }
103         #endregion
104 
105         #region public override bool CheckInput() 检查输入的有效性
106         /// <summary>
107         /// 检查输入的有效性
108         /// </summary>
109         /// <returns>有效</returns>
110         public override bool CheckInput()
111         {
112             bool returnValue = true;
113             this.txtComment.Text = this.txtComment.Text.TrimEnd();
114             if (string.IsNullOrEmpty(this.txtComment.Text))
115             {
116                 MessageBox.Show(AppMessage.Format(AppMessage.MSG0007, AppMessage.MSG9984), AppMessage.MSG0000, MessageBoxButtons.OK, MessageBoxIcon.Information);
117                 this.txtComment.Focus();
118                 return false;
119             }
120             return returnValue;
121         }
122         #endregion
123 
124         #region private void ClearForm()
125         /// <summary>
126         /// 清除窗体
127         /// </summary>
128         private void ClearForm()
129         {
130             this.txtComment.Text = string.Empty;
131             this.txtComment.Focus();
132         }
133         #endregion
134 
135         #region private void AddComment(bool close)
136         /// <summary>
137         /// 保存评论
138         /// </summary>
139         /// <param name="close">关闭窗体</param>
140         private void AddComment(bool close)
141         {
142             // 检查输入的有效性
143             if (this.CheckInput())
144             {
145                 // 设置鼠标繁忙状态，并保留原先的状态
146                 Cursor holdCursor = this.Cursor;
147                 this.Cursor = Cursors.WaitCursor;
148                 try
149                 {
150                     if (this.SaveEntity())
151                     {
152                         // 数据发生了变化
153                         this.Changed = true;
154                         if (close)
155                         {
156                             this.DialogResult = DialogResult.OK;
157                             // 关闭窗口
158                             this.Close();
159                         }
160                         else
161                         {
162                             this.ClearForm();
163                         }
164                     }
165                 }
166                 catch (Exception ex)
167                 {
168                     this.ProcessException(ex);
169                 }
170                 finally
171                 {
172                     // 设置鼠标默认状态，原来的光标状态
173                     this.Cursor = holdCursor;
174                 }
175             }
176         }
177         #endregion
178 
179         private void btnSave_Click(object sender, EventArgs e)
180         {
181             this.AddComment(true);
182         }
183     }
184 }