4 Visual FoxPro

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4-1 4- 4- 4- 4- 4-6 4-7 4 Visual FoxPro

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4-1 4-1-1 Visual FoxPro Visual FoxPro1 Visual FoxPro Visual FoxPro

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2 (.PRG) Visual FoxPro

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4-1-2 1 [] [] [FOR] [WHILE] 213

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2Visual FoxPro Visual FoxProVFPl[][]l[][ ][ ][ ][ ][]l/l...

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3 Visual FoxPro5(1) Visual FoxProSTORELISTCOPY TO (2) *1.05

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(3) l ALL lNEXT nN lRECORD nNlREST (4)FORFORVPF6.0FOR

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(5) WHILE FOR WHILEl FORWHILElFORWHILE

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4-1-3 1 Visual FoxProEnter2 Enter

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3 (1) EDIT FIELDS ALL FOR >=85 EDIT ALL FIELDS FOR >=85 EDIT FOR >=85 ALL FIELDS

(2) VISUAL FOXPRO44 DISPLAY MEMORYR DISPL MEMO DISP MEMO

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(3) FIELDS, (4)

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(5) ()llREPLACE ALL WITH (++-)*1.03 FOR >20llEnter

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4-1-4 12TabTAB,Ctrl+EnterEnter3

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4-2 .dbc 4-2-2 Visual FoxPro 4-2-1

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4-2-3 1 (1) (2) l OPEN DATABASE |? open database D:\LIULI\

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l MODIFY DATABASE |? MODI data D:\LIULI\

l DELETE DATABASE |? D:\LIULI DELE data D:\LIULI\

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2. :;,;

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3/

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4-3 4-3-1 1.DBF:,,,(.DBC)2P503P50

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6,:,212

20030001.T.09/03/85gen20030002.F.11/30/86Gen

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4-3-2

1. ///////CREATE []

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NULLNULL

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2. .DBFOPEN DATABASEEXCLUSIVE

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3. (1)P53

(2)/(P53)

(3)(P53)

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(1) 101284.

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|||

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2

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3

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4

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(5)

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,//,

4-3-3

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2.1T,Y,F,N4 SET DATE MDYmm/dd/yymemogen

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1memogen2Ctrl+PgDnCtrl+PgUpCtrl+Homememogen3Ctrl+WCtrl+QEsc4memogenMemoGen.FPT

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1 1231 edit 2 browse

4-4 4-4-1

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2(1)USE | ?(2) 1USE 2CLOSE [ALL|DATABASES]

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3VFP1 VFP2VFP l l Visual FoxPro6.0 l Visual FoxPro6.0 l Alt+F42QUITVFP

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4-4-2 1.: USE MODIFY STRUCTURE: 1.:/ 2.:/

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2DISPLAY|LIST STRUCTURE [TO PRINTER|TO FILE]

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3. ()[][][] [] VFPVFPALL:NEXT:NRECORD:NREST:FIELDS

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FORWHILE1.FORALLWHILE2.FORWHILEWHILELIST NEXT 5 FIELDS , FOR >=600:1.42.

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(2)BROWSE[LAST] [FIELDS] [FOR ][FREEZE][LOCK]: FREEZE :LOCK USE BROW FIELDS

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>600 USE LIST FOR >600 LIST|DISPLAY[] [FIELDS ] [FOR/WHILE ] [TO PRINT] [OFF] :LISTDISPLAYLISTALLDISPLAYLISTDISPLAY

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4-4-3 : /,N/,/,:APPEND [BLANK]:APPEND FROM |? [FIELDS ][FOR ][SDF] :INSERT INTO [(1[,2,])] VALUE [(1[,2,])]:INSERT [BLANK][BEFORE]:

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:APPEND1;APPEND BLANK2;3;APPEND FORM SDF,/

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4-4-4 / 1

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/5804.8 _3,, use Copy to _3 structure

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4-4-7

: /N1

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1GOTO [RECORD ] /TOP/BOTTOM 2GO [RECORD ] /TOP/BOTTOM3 2.: (GO)(SKIP)(LOCATE)(1)

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TOP [BOTTOM]

RECORD0

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SKIP []

12SKIP SKIP 1 (2)

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LOCATE [] FOR [WHILE ] CONTINUEall; continue >600 LOCATE FOR >600 CONTINUE DISPLAY

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SCATTER [FIELDS] [MEMO] TO GATHER FROM [FIELDS] [MEMO]USE GO 2 SCAT TO A ?A(2),A(7) A(7)=A(7)+10 GATH FROM A DISP 6084-4-8

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4-5-1 1 2 4-5

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1 SORT TO ON [/A][/D][/C][, ON [/A][/D][/C]][ASCENDING|DESCINDING][][FOR|WHILE] [FIELDS | FIELDS LIKE |FIELDS EXCEPT ]

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ON/A/D/CASCENDING/D DESCINDING/A FIELDS

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[] CJXH USE SORT ON /D TO CJXH USE CJXH BROWSE[]SORT TO ON /D, FOR ="03" FIELDS ,,,,

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2 1IDXCDX

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(2)

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(3)

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INDEX ON TO |TAG [OF ] [FOR] [ASCENDING|DESCINDING] [UNIQUE|CANDIDATE][ADDITIVE][UNIQUE] CANDIDATETAG OF

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(4) SET INDEX TO [] [ORDER [ | | [TAG]OF] [ASCENDING | DESCENDING] ] [ADDITIVE]ORDER ADDITIVEuse index CLOSE INDEX

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(5) Delete tag all | [of ] [,] [of ] all Erase Delete file < >

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4-5-2 1.LOCATE FOR CONTINUESEEKFIND

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2.

(1) SEEKSEEK [ORDER | | [TAG]OF] [IN | ] [ASCENDING | DESCENDING]] =

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SET EXACT ON|OFFOFFON

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[]USE INDEX ON TAG kcbhSEEK 02?FOUND()DISPLAY

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(2) FIND

FIND =

SEEK

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1.COUNT [] [FOR< >][WHILE ] [TO ]TO set deleted on,4-5-3

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[]85USE COUNT FOR >85 TO cjrs?cjrs

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2. CALCULATE [][FOR][WHILE] [TO | ARRAY]NULLAVG()CNT( )MAX()MIN()SUM()

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[]85USE CALCULATE CNT( ), AVG() FOR >85 TO xsrs, pjcj?xsrs,pjcj

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SUM [] [][FOR ][WHILE ] [TO | ARRAY ]TO | ARRAY ,

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[]USE SUM TO zcj?zcj

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AVERAGE[] [][FOR ][WHILE ] [TO | ARRAY ]

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[]USE AVERAGE TO pjcj?pjcj[]2000USE AVERAGE YEAR(DATE())-YEAR() ; FOR LEFT(,4)="2000" TO pjnl?pjnl

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3. TOTAL TO ON [FIELDS ] [][FOR ][WHILE ] [FIELDS ]

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4-6 4-6-1 1 VFP6.03276721. (1~10 A~J)2.USE [ALIAS ] [IN ] 254

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3. SELECT | VFP1SELECT( ) SELECT 0 ().. ->

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4-6-2 ABBA ABBA ABBA VFP

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:..

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SET RELATIONSET RELATION OFFSET SKIP TO

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SET RELATIONSET RELATION TO [ INTO | ] [IN | ] [ADDITIVE] =INTO IN ADDITIVE

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SET RELATION OFFSET RELATION OFF INTO

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SET SKIP TOSET SKIP TO []12"""" SELECT 2 SET ORDER TO SET RELATION TO INTO 2 IN 1 SELECT 1 SET SKIP TO 2

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[]SELECT 1USE SELE 2USE SELE 1SET ORDER TO TAG OF ".cdx" IN SET RELATION TO INTO ADDITIVESET SKIP TO

1

2

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4-6-3

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4-7 ll ll llll l l

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