2023年聚集大全C代碼優(yōu)化的一些案例

C#代碼優(yōu)化的案例代碼簡潔代碼簡潔，減少代碼量，初始值盡也許在屬性上設(shè)立,而不是編寫代碼。協(xié)議記錄分析中JToｏlCｏmＢox_ColmunＴype_SelectｅdIndexCｈaｎged方法中：sｗitｃh(jTｏolComBox_CoｌｍｕnTｙpｅ.SelectedIｎｄex.TｏString（)){caｓｅ"0＂：/／執(zhí)行金額ｊWebＣhart１.charｔＩd="9cc8９7e５-9９dd-468ｄ－84db-3390a18f0ｅ2２"；jWebChａｒｔ1.SetUrｌ（);bｒeak；case"1＂：/／變更金額jWｅbChart1.chaｒtId="9ｃc８97e5-9９dd－468d-8４db-3390a18ｆ0e２3";jWeｂCｈart1.SetＵrl（);bｒeak;ｃase"2＂://索賠金額jWebChａrt1.ｃhａrtＩd＝"9ｃc897e5-9９dd-468ｄ－84db-3390a18f0e24"；jWeｂＣｈart1．SetUrl();break;ｃａse"3"://付款批復(fù)金額jWebChaｒt1.chartＩd＝"9cc897e5-９9dｄ-468d-84dｂ-3３9０a１8f0e25";jWebCharｔ1.SetＵrl(）;breａk;case"４"：/／實際支付金額jＷｅbChart1.charｔＩd="9cc897e5－99dd－468ｄ－8４ｄb-3３90a18ｆ0ｅ26";ｊWebＣhart1．SetUrl();breaｋ;case"5＂://協(xié)議份數(shù)ｊWebＣｈarｔ1.cｈartId="９cｃ８97e5－９９dd-４68d－84db－3390a1８ｆ０e2７＂;jWebChart1.SetＵｒl（);bｒeak;default://執(zhí)行金額ｊWebCharｔ1.chartId="9cc897e５-９9dd-4６８d-8４ｄｂ-３390ａ1８f0ｅ22";ｊWｅbＣharｔ1．SeｔUｒl()；bｒｅak；}重構(gòu)后:sｗitｃh(ｊＴoolＣｏmBｏx＿ColmｕnＴypｅ.SｅleｃｔedＩndex.TｏSｔｒing()）{caｓｅ"0"://執(zhí)行金額jWebChａrt１.cｈaｒtId＝"9cc８9７e５-９9dd-46８d-84db-３3９0a1８f0e2２＂;breａk；cａse"１":／/變更金額jWebＣharｔ1.ｃhａrtId=＂9ｃc897e5-99dd-4６８ｄ-８4db－３390a１8ｆ0e23＂;ｂreak；ｃase"2"：／/索賠金額jWｅbChａrt１.chartId=＂9cc897ｅ5－99ｄd－468d-8４db-３３9０ａ１8ｆ0e２４";ｂreak;case＂3"://付款批復(fù)金額jＷebＣｈart1.ｃharｔＩd="９cc８９7ｅ5－9９ｄｄ-４６8d-８4ｄb-339０a18f０ｅ２5＂;breaｋ;case"4":／/實際支付金額jWｅbChart1.ｃhartＩd="9cｃ８97e5-99dｄ-４6８ｄ-84db－3390a18f０e26"；brｅａk；caｓe"５＂://協(xié)議份數(shù)ｊＷebＣhａrt1.chartId="9ｃｃ897e５-99dd-4６8ｄ－84db-３３９0ａ18f０ｅ27"；ｂｒeak;dｅfauｌt://執(zhí)行金額jWｅbＣhaｒt1.cｈartId＝＂9cc897e5-99dd-46８d－84ｄｂ-3390a18f０e２2＂;break;} jWebChaｒt1.SetUrｌ（）;協(xié)議綜合查詢中jTabＣonｔrol8＿SｅｌeｃtedＩndeｘCｈangeｄ方法中多個Ｉf語句(3個以上）,改寫為switch協(xié)議綜合查詢中ＪeMｉsQueｒy_V＿HT_CONTRＡCＴ_SHＯW_ＴJ_OnQueryＦiｎishｅd方法中//請?zhí)顚懩_本deｃｉmalｄe_SIGN_ＡMＯＵNT=0；deｃｉmalde_ＡLTEＲ＿AMOUＮT=0;ｄｅcimａlｄe＿ALＬ_CLＡＩM＿ＡMOUNT=0;dｅcimalde＿PAY_ＡＭOUNＴ=０;dｅcimaｌdｅ_ALL_RP_AMOUＮT=0;decimａlｄｅ_EＸE_AMOUNＴ＝０;ｄｅcｉmaｌdｅ＿AＰPLY_AMOUNＴ＝0;dｅcimａlde_ＡPＰLY_ＡＰPROVE_ＡMＯＵNT=0;sｔringstr＿whｅre=ｅMｉｓQueｒｙ_Ｖ_ＨT＿COＮTRACT_SHOW.ＵｓeｒCｕstｏmCoｎdition;strinｇｓql＝"selectcｏuｎt(*)ａsht_contraｃｔ＿ｃount,sum(SIGN_AＭOUNT)nvl(sum(SIGN_AMOUNT),0)nvl(sum(SIGN_AMOUNT),0)＂sum(ALＬ_ＣLAIＭ_AMOUNＴ)asＡLL_CＬAIＭ_ＡMOUNT，sｕm(PAY_ＡMOUNＴ)asPＡY＿AMOＵNT,ｓum（ＡＬL_RP＿ＡＭOUNT）aｓALL＿ＲP＿ＡMＯＵＮＴ,ｓum（EＸＥ_ＡMＯＵNT)ａｓEXE_ＡMOＵNT"+",ｓum(APＰLY＿AMOUNT)aｓＡPＰLＹ_ＡMOUNT，sum（APPLY_AＰＰROＶE_AMＯＵNＴ)aｓAPPLＹ_ＡＰPROVＥ_ＡＭOUNＴfrｏｍGCMIS．v_ht＿coｎtaｃt_shｏwtwherｅ＂+str_wｈｅrｅ;DatａＳetds=eＭisSurfacｅ1.ＥxecQｕｅｒｙSql(sqｌ）;iｆ(ds!=nuｌl＆&ｄs.Tabｌes.Cｏunt>０）／/故意義不，肯定為True{ＤａｔaRｏwdｒ=ds.Ｔaｂles［0].Ｒｏws[0];ｊLabel_Jl.Text=dr[＂ht_coｎtrａct_coｕnｔ"].ＴoＳtｒing()；obｊｅcｔobj=dｒ["SＩＧN_AMOＵＮＴ"]；de_SIGＮ＿ＡMOUNT＝Cｏnvert.ToDｅcimａl(ｏｂｊiｓＤBNull?0.０0：ｏbj);／/為什么要jLabel_QD.Text=dr["SIGN_AMOUNT"].ToString("0.00");jLabel_QD.Text=dr["SIGN_AMOUNT"].ToString("0.00");jＬabel_ＱＤ．Text=ｄe_SIGN＿AMＯUNT.ToＳtrinｇ(＂0.０0"）;ｏｂj=dｒ["ALＴEＲ_AMOUＮT"］；dｅ_ALTER＿AMＯUNＴ=Coｎｖert.TｏDeciｍaｌ(objisDBNull?0.０0:obj）；ｊLａbel_ＢＧ.Text=ｄe＿ＡLＴER_AMＯＵNＴ.TｏＳtrinｇ("0.00＂);ｏｂj=dｒ["ALL＿CLAIＭ_AMOUNT"];de_ALＬ＿ＣLAIM_AMＯUNＴ=Ｃｏｎｖerｔ.ToDecｉｍａl（objｉｓＤＢNull?0．00:ｏbj);jLabel_ＳＰ.Teｘt=dｅ＿ALＬ_ＣＬＡIM_AＭＯＵNT.ToＳtring（"0.00");obj=dr["ＰAY_AMOＵNT"];de_ＰAＹ_AMOＵNT=Ｃonvert.ToDecｉmaｌ（ｏbｊｉsDＢNuｌｌ?0.00:obj);ｊLabｅl_ZF.Teｘt=ｄe＿PAY_AMOUＮＴ.ＴｏStｒing("0.00＂);ｏｂj=ｄr［＂AＬL_RP_ＡMOUＮＴ＂］;de＿ALＬ_ＲP_ＡMOUNT=Coｎvｅrｔ.ToDｅcimal(obｊisDBNull?0.0０:obj)；jＬaｂel_ＪF.Ｔeｘt＝de＿AＬL＿RP_AMOUNT.TｏStriｎg("０.00＂)；ｏbj=dr["EＸE＿AMOUNT＂]；de_EXE_AＭＯUNT=Ｃonveｒt．ToDｅｃimａl(ｏbjiｓDBNｕll？0．00:oｂj);jLａｂｅl_ZＸ.Ｔｅxｔ＝ｄe_ＥXE_AMＯUＮT.ToＳtｒing(＂0．０0"）；obｊ=ｄｒ["APPLY_AMOUNT"];dｅ_APPＬY_AMOUNT=Convert.ＴoDｅcimal（oｂjiｓＤＢＮｕlｌ?0.0０:ｏbj）;ｊLａbel_ＳQ．Ｔexｔ=de_APPLY_AMOUNＴ.ToStｒing（"0．0０")；oｂｊ=dr［"ＡPPLY_APPROVE_AＭOUＮＴ"];de＿ＡＰPLＹ_ＡＰＰＲOVE_AMOUNT=Convｅrt.ToＤecｉｍａl(objiｓDBNulｌ？０.0０:ｏbj）;jLabel_PＦ.Text=ｄe_APPLＹ_APPRＯＶE_ＡMOUNT．ToStrｉng（"0．00"）；}Elsｅ//永遠(yuǎn)不會執(zhí)行{jLaｂeｌ_Jl.Text＝＂0＂;ｊＬaｂel＿QD．Text="0.0０＂;jLａbel_ＢG.Tｅｘｔ="0.０0"；jLabeｌ＿SＰ．Ｔext="0.０0";jLabel_ZF.Teｘt="0.００";應(yīng)當(dāng)直接在屬性中設(shè)立初始值jＬabeｌ_JF.Text＝"０.０0";jLabel_ＺＸ．Text="0.00";jＬａbel＿SQ．Ｔexｔ=＂０．０0";jLabel_PＦ.Tｅxt="０．00"；ｒeturn;}提高代碼的執(zhí)行效率盡量減少不必要的計算、循環(huán)等，提高代碼的效率協(xié)議記錄分析GＥT_CONTRACT＿COＬLECT_SOＵRCE方法ｄecimalde_SIGN_AMOUNＴ=０;decimalｄe＿ＡLTＥR_AMOUNT=０;decｉmａｌdｅ_ALL_CＬAIM_AMOUＮＴ=0;decimaｌde_PAY_AＭOUNT=0;deｃimalde＿ALＬ_RP＿AＭOUNＴ=０;dｅciｍａｌde_EXE_ＡMOＵNT=0;decimaｌｄe＿AＰPLY_AMＯUNT=0;deｃiｍalde_APＰＬY_AＰPROVE_AMOＵNT=０；ｄecimａlde＿FINＡL_AMＯUNT=0;intconatratCoｕｎｔ=ｄt.Roｗs．Coｕnt;if(conaｔｒatＣｏunt==０){thiｓ.ｊLabel_Contrat_Count.Tｅxt="0";jＬaｂｅl_SIGＮ_ＡＭOＵNＴ.Teｘt＝"0．0０";ｊLａbeｌ_ＡLTER_AＭＯUNT.Teｘt＝"0.00";jLａbel_CLAIM_AＭOUNT．Text＝"0.０0";jLabｅｌ＿PＡY＿ＡMＯUNT.Text="0.00"；jLａbel_RＰ_ＡMOUNT.Teｘt="0.0０＂；ｊLabel_EXＥ_AＭOUNT.Ｔexｔ="0．00";ｊLabel＿APPＬY_AMOＵNT.Text="０.00＂;jＬabel＿APＰROＶE_ＡMOUＮT.Teｘｔ＝＂0.００";retuｒn;}DaｔaTａblｅclｏneＴablｅ＝dt.Ｃｌonｅ()；foreach(DataRowitｅｍｉndt.Rows){stringcodｅ=item［"ZONＥ_CODE＂].ToStｒiｎg(）;stｒing[]codeLength=cｏde.Sｐｌiｔ（'_＇）;if(cｏｄeLｅngtｈ.Lenｇｔｈ==３){Dａt(yī)aRowcopｙRｏw＝cloneTable.NｅwRow()；copyＲｏｗ.IｔemArray＝iteｍ.ＩtemArｒay.Clone()asobject[];clｏneTabｌe.Rows.Ａdd(coｐyRow);}}objecｔｏbj=cloneTable．Compuｔｅ("sum(CONTAＣT_CＯUNT)","ｔruｅ")；strｉｎgcount=Convｅrt.ＴoStrｉng(oｂjisDBＮuｌl？0：obj);thiｓ.ｊLabｅｌ_Coｎtraｔ＿Ｃount.Tｅxt＝ｃount;obj=cｌｏneTaｂｌe．Compute("sum(SＩGN_ＡMＯＵＮＴ）＂,＂ｔrue＂);de＿SＩGＮ_ＡMOUNT=Converｔ.ＴoDecimal(obｊｉｓDBNull？0.０0:obj）;this．jＬａbel_SIGN＿ＡMOＵNT.Teｘt=de_SIＧＮ＿AＭOUNT．TｏString（"0．00");ｏbj=ｃlｏｎeTａbｌe.Coｍpuｔe("ｓum(ALTER＿AMOUNＴ)＂,"true")；de_ALTER_AMOＵNT＝Conｖert.ToＤecｉmaｌ(ｏbｊｉsDＢNulｌ?０．00:ｏbj);ｔhis.jLaｂeｌ_AＬTＥR＿AMOUNT.Texｔ＝dｅ＿ＡLTEＲ_AMOＵNT.ToＳtring("0.０0");ｏbｊ=cloｎeＴable.Cｏmpute（"suｍ(ＡＬL_CLAIM_AMＯUNT)","true");de＿ALL_CＬAＩM_AＭOＵNT=Coｎveｒt.ＴoＤｅcimal（objisDBNulｌ?0．00:ｏbｊ);thｉs.ｊLaｂel＿CLAＩＭ＿AMＯＵNT.Teｘt=de_ＡＬL_CＬAIM_AMOUＮT.ToSｔring("0.00")；oｂｊ＝cloneTabｌｅ．Comｐuｔe(＂sum(PAY_ＡMOUNT)","ｔｒue"）；dｅ_PAY＿AＭOUNT=Ｃonｖert.ToDecｉｍal(objisDBNuｌl？0.00:obj);thiｓ.jLabｅｌ_PAY_AMOＵNT.Text=de_ＰAY＿AMＯUＮT.ToStrｉng("0.０0＂）;obj=cloneＴablｅ.Compｕte（"sｕm(ＡLL_RP_AＭOUNT)","truｅ");de_AＬＬ_RＰ＿ＡＭOUＮT=Convert．ToＤｅcimal（oｂjisDBNuｌl?0.00:ｏbj）;tｈis.jLabeｌ＿RP_ＡMOUNT.Text=de＿AＬL_RＰ_AＭOUＮT.ToＳｔring（"0．00");obj=cｌoｎeTable.Cｏmpute（＂sｕm(EXE＿ＡMOUＮT)"，"trｕe"）；de_EXE＿AMOＵNT＝Conveｒt.TｏDeｃimal(objisDBNulｌ?0.00:obｊ）;ｔhiｓ．ｊＬａbｅl_EXＥ_AMOUNＴ.Tｅｘt=de＿EXE_AMOUNT．TｏStrinｇ（＂0．0０"）；ｏbｊ＝clonｅTable.Cｏmpute（"suｍ(ＡPPLY＿ＡMOUNT）",＂truｅ");ｄe＿AＰPＬＹ_ＡMOUNＴ＝Convert.TｏDeｃimａl(obｊisDBNull?０.00:obj）;thｉｓ.jLabeｌ＿APPＬＹ＿ＡMOUNT．Tｅxt=ｄｅ_AＰＰLY_AＭOＵＮT.ＴｏSｔring（"0.00");obj＝ｃlonｅTable.Cｏmpute("suｍ(AＰPLY_AＰPROVＥ_AMOＵNT)","truｅ＂)；ｄｅ＿APPLY_ＡPPROVE_AMＯＵNT=Cｏnvert．ToＤecimal(ｏbｊisＤＢNull?0.０0:oｂj);tｈiｓ.jLabel_ＡPPRＯVE＿ＡMOUNＴ．Tｅxt=de＿APPＬY＿ＡPPROVE_AMＯUNT.TｏStrｉnｇ("0.０0"）;obj=cloneTable.Compute("sum(FINAL＿AMＯUNT)","true＂);dｅ_ＦＩNＡL_AMOUＮT=Cｏnｖert．ＴｏＤeｃimａl(objisDBＮuｌl?0.０0:obｊ)；thｉs.jＬａｂel_ＦINAL＿AMＯUNＴ.Text=dｅ_FIＮAL_ＡMOＵNＴ.ToStriｎg(＂0．0０＂);重構(gòu)后:Dａt(yī)aRｏw［]ｈｚ_Ｒow=ｄt.Select（"ZONE_ＣODE='ＤT'＂);if（hｚ_Ｒow．Ｌenｇth＝=0）rｅturn;ＤataＲowｃｕr＿ｈｚRｏｗ＝ｈz_Roｗ［0];thｉs.jLａbel_Contrat_Cｏunt.Text=cuｒ_hzRow［"CONTＡCT_COＵＮＴ"].TｏStｒing();this.jLabel_SIGＮ_AMOＵNT.Ｔｅxt＝cｕr_hzRow["ＳIGN_AMＯUNＴ"].ToStｒｉng();this.jLａbel_ＡLＴER＿AMＯUNT.Text=cuｒ_hzRow［"ＡLTＥR＿AMOUＮT"］.ToString()；ｔhｉs.jLabel_CＬAIM＿ＡMＯUNT.Teｘt=cｕr_hzRow[＂ALL_CLＡＩM_ＡMＯＵNT"].ToString(）;ｔｈｉs.jLａbｅl_ＰＡY＿AＭＯUNT．Text=ｃuｒ_hzRoｗ[＂PＡY＿AＭＯＵNＴ"]．ＴoSｔｒｉng(）;thｉs.ｊＬabel_ＲP＿ＡMOＵNT.Texｔ=cuｒ_ｈzRoｗ［"ＡLL_RP_AＭＯＵNT＂].ToＳｔｒｉng();tｈis.jＬａbｅｌ_EＸE_AＭOＵNＴ.Texｔ=cｕｒ_hzRｏw[＂EXＥ＿AMOUNT＂].ToString();this.ｊLabeｌ＿APPLY_ＡMOUNT．Texｔ=cur_ｈzRoｗ["APPLY_AMＯUNT＂].ToString();this．jＬabel＿APＰRＯVE_AMOUNT.Text=cur_hzRｏw["ＡPPＬＹ_AＰＰRＯVE_AMOUＮT"].ＴoSｔｒｉnｇ(）;thｉs.jＬaｂeｌ_FIＮＡL_AMＯUNT.Ｔeｘt=cur_hzＲow["FINＡL_ＡMOUＮＴ"]．TｏＳtrｉng()；協(xié)議記錄分析JBtｎ_Queｒｙ＿Ｃｌick方法if(jCHK_AＬＬ.Cheｃｋed！=true){ｉｆ(jＣＨK_ＦEＮＧ．Cｈecked){ｓｂ.Aｐpend("G.ＰRＯJECT_ＴYPEＩＮ(＇1'"）;}if(jCＨK_HＵＯ.Checked){if(sb．Lenｇth=＝0)｛sｂ．Append(＂Ｇ.PROＪECT＿ＴYＰEIＮ('0＇＂);}elsｅ{ｓb.Appｅｎd（",'0'");｝}iｆ(jＣHK_SHUI.Checｋed){iｆ（sb.Lengtｈ＝＝0）{ｓb．Appｅnd（"Ｇ.ＰROJECT_ＴＹPEIＮ('2＇");}ｅｌse