基于SqlSugar的开发框架循序渐进介绍（9）-- 结合Winform控件实现字段的权限控制

/// <summary>
/// 设置控件字段的权限显示或者隐藏(默认不使用字段权限)
/// </summary>
private async void SetPermit()
{
    #region 设置控件和字段的对应关系
    this.txtName.Tag = "Name";
    this.txtAge.Tag = "Age";
    #endregion
    //获取列表权限的列表
    var permitDict = await BLLFactory<IFieldPermitService>.Instance.GetColumnsPermit(typeof(CustomerInfo).FullName, LoginUserInfo.Id.ToInt32());
    this.SetControlPermit(permitDict, this.layoutControl1);
    await Task.CompletedTask;
}

/// <summary>
/// 设置控件字段的权限显示或者隐藏(默认不使用字段权限)
/// </summary>
private async void SetPermit()
{
    #region 设置控件和字段的对应关系
    this.txtName.Tag = "Name";
    this.txtAge.Tag = "Age";
    #endregion
    //获取列表权限的列表
    var permitDict = await BLLFactory<IFieldPermitService>.Instance.GetColumnsPermit(typeof(CustomerInfo).FullName, LoginUserInfo.Id.ToInt32());
    this.SetControlPermit(permitDict, this.layoutControl1);
    await Task.CompletedTask;
}

/// <summary>
        /// 设置控件的可见、读写权限显示
        /// </summary>
        /// <param name="panel">控件对象</param>
        /// <param name="permitDict">字段和权限字典，字典值为权限控制：0可读写，1只读，2隐藏值，3不显示</param>
        /// <param name="layoutControl">如果存在布局，则使用布局控件，否则为空</param>
        public static void SetControlPermit(this Control panel, Dictionary<string, int> permitDict, LayoutControl layoutControl = null)
        {
            foreach (Control ctrl in panel.Controls)
            {
                var baseCtrl = ctrl as BaseEdit;
                if (baseCtrl != null)
                {
                    var tag = string.Concat(baseCtrl.Tag);
                    if (!string.IsNullOrEmpty(tag) && permitDict.ContainsKey(tag))
                    {
                        var permit = permitDict[tag];
                        var visible = (permit == 0 || permit == 1);//2、3不可见
                        if (layoutControl != null)
                        {
                            var layoutItem = layoutControl.GetItemByControl(baseCtrl);
                            if (layoutItem != null)
                            {
                                layoutItem.ToVisibility(visible);
                            }
                        }
                        baseCtrl.Visible = visible;
                        baseCtrl.ReadOnly = permit == 1;
                    }
                }
                ctrl.SetControlPermit(permitDict, layoutControl);
            }
        }

//获取字段显示权限，并设置(默认不使用字段权限)        
this.winGridViewPager1.gridView1.SetColumnsPermit(permitDict);

//根据业务对象获取对应的显示字段，如果没有设置，那么根据FieldPermit表的配置获取字段权限列表
var permitDict = await BLLFactory<IFieldPermitService>.Instance.GetColumnsPermit(typeof(BlackIPInfo).FullName, Portal.gc.UserInfo.Id);
var displayColumns = await BLLFactory<IBlackIPService>.Instance.GetDisplayColumns();
if (permitDict != null && permitDict.Keys.Count > 0)
{
    //0可读写，1只读，2隐藏值，3不显示
    displayColumns = string.Join(",", permitDict.Keys.Where(s => permitDict[s] < 2));
}
this.winGridViewPager1.DisplayColumns = displayColumns;

/// <summary>
/// 根据参数权限字典的值：0可读写，1只读，2隐藏值，3不显示，设置列的权限。
/// </summary>
/// <param name="gridView">GridView对象</param>
/// <param name="fieNamePermitDict">字段和权限字典，字典值为权限控制：0可读写，1只读，2隐藏值，3不显示</param>
public static void SetColumnsPermit(this GridView gridView, Dictionary<string,int> fieNamePermitDict)
{
    char passwordChar = '*';
    foreach (GridColumn col in gridView.Columns)
    {
        var include = fieNamePermitDict.ContainsKey(col.FieldName);
        if (include)
        {
            int permit = fieNamePermitDict[col.FieldName];
            switch (permit)
            {
                case 0://正常可见、可读写
                    col.OptionsColumn.AllowEdit = true;
                    col.OptionsColumn.ReadOnly = false;
                    col.AppearanceHeader.ForeColor = Color.Black;
                    col.Visible = true;
                    break;
                case 1:
                    //只读
                    col.OptionsColumn.AllowEdit = false;
                    col.OptionsColumn.ReadOnly = true;
                    col.AppearanceHeader.ForeColor = Color.Gray;
                    col.Visible = true;
                    break;
                case 2:
                    //隐藏值
                    var edit = col.CreateTextEdit();                            
                    col.Tag = string.Concat(passwordChar);//用来在界面端进行判断，避免设置DisplayText
                    edit.PasswordChar = passwordChar;
                    col.Visible = true;
                    break;
                case 3:
                    //不可见
                    col.Visible = false;
                    break;
            }
        }
    }            
}