請教c#如何用for或其他語法優化以下代碼

int iWTian = 0;//(每周)當天庫值時間小于現在-自增

if (Convert.ToDateTime(DateTime.Now.ToString(wTime)) <= DateTime.Now) { iWTian = 7; }//自增1周



int iWeek = Convert.ToInt32(DateTime.Today.DayOfWeek.ToString("d"));//當前周，數字格式化周0-6

int iTian = 0;//增加天數





                switch (wDay)

                {

                    case "日":

                        if (iWeek == 0) { iTian += iWTian; }

                        if (iWeek == 1) { iTian = 6; }

                        if (iWeek == 2) { iTian = 5; }

                        if (iWeek == 3) { iTian = 4; }

                        if (iWeek == 4) { iTian = 3; }

                        if (iWeek == 5) { iTian = 2; }

                        if (iWeek == 6) { iTian = 1; }

                            break;

                        case "一":

                            if (iWeek == 0) { iTian = 1; }

                            if (iWeek == 1) { iTian += iWTian; }

                            if (iWeek == 2) { iTian = 6; }

                            if (iWeek == 3) { iTian = 5; }

                            if (iWeek == 4) { iTian = 4; }

                            if (iWeek == 5) { iTian = 3; }

                            if (iWeek == 6) { iTian = 2; }

                            break;

                        case "二":

                            if (iWeek == 0) { iTian = 2; }

                            if (iWeek == 1) { iTian = 1; }

                            if (iWeek == 2) { iTian += iWTian; }

                            if (iWeek == 3) { iTian = 6; }

                            if (iWeek == 4) { iTian = 5; }

                            if (iWeek == 5) { iTian = 4; }

                            if (iWeek == 6) { iTian = 3; }

                            break;

                        case "三":

                            if (iWeek == 0) { iTian = 3; }

                            if (iWeek == 1) { iTian = 2; }

                            if (iWeek == 2) { iTian = 1; }

                            if (iWeek == 3) { iTian += iWTian; }

                            if (iWeek == 4) { iTian = 6; }

                            if (iWeek == 5) { iTian = 5; }

                            if (iWeek == 6) { iTian = 4; }

                            break;

                        case "四":

                            if (iWeek == 0) { iTian = 4; }

                            if (iWeek == 1) { iTian = 3; }

                            if (iWeek == 2) { iTian = 2; }

                            if (iWeek == 3) { iTian = 1; }

                            if (iWeek == 4) { iTian += iWTian; }

                            if (iWeek == 5) { iTian = 6; }

                            if (iWeek == 6) { iTian = 5; }

                            break;

                        case "五":

                            if (iWeek == 0) { iTian = 5; }

                            if (iWeek == 1) { iTian = 4; }

                            if (iWeek == 2) { iTian = 3; }

                            if (iWeek == 3) { iTian = 2; }

                            if (iWeek == 4) { iTian = 1; }

                            if (iWeek == 5) { iTian += iWTian; }

                            if (iWeek == 6) { iTian = 6; }

                            break;

                        case "六":

                            if (iWeek == 0) { iTian = 6; }

                            if (iWeek == 1) { iTian = 5; }

                            if (iWeek == 2) { iTian = 4; }

                            if (iWeek == 3) { iTian = 3; }

                            if (iWeek == 4) { iTian = 2; }

                            if (iWeek == 5) { iTian = 1; }

                            if (iWeek == 6) { iTian += iWTian; }

                            break;

                        default: break;

                    }

uj5u.com熱心網友回復：

string dataWk = "日";

            DateTime today = DateTime.Now;

            for(int i = 0; i < 7; i++)

            {

                DateTime temp = today.AddDays(i);

                if (temp.ToString("ddd").Contains(dataWk))

                {

                    tbLog.Text = temp.ToString();

                    break;

                }

            }

標籤：C#

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