Разработка реального приложения с использованием Microsoft Visual FoxPro 9. Профессиональный подход 5-262-00297-8

Citation preview

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Microsoft Visual FoxPro 9.0

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10 Character.

Character (binary)

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Character.

Varchar Varbinary Datetime

01.01.0001 31.12.9999 00.00.00 a.m. 11.59.59 p.m.

Date

01.01.0001

Currency

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False (.F.)

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Next Value ( . Step (

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IntegerInc. .

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Building

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1. . Character 2. Numeric 3.

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Field comment.

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1–4

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. 3.7). «Yes». DBF –

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Building.fpt (

Memo).

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. 3.2.

, Real Estate.

–

.

,

-

. 3.2 , Street

House

Flat

Storey

Rooms

Square

Dwell

Branch

Account

14 14 14 14 14 14 14 179 179

102 102 102 102 102 102 102 104 104

1 2 3 4 5 6 7 1 2

1 1 1 2 2 10 10 1 1

3 4 4 4 3 1 7 1 2

60,8 100 78 90 100 200 170 30 42

40 70 60 80 95 190 150 20 30

20 28 16 5 30 8 10 9 11

3450 1000 4321 666 778 9787 879 23210 3267

32

179 179

104 104

3 4

1 2

1 4

27 100

20 90

6 5

6666 4587

, . 2: Flat, Owners, Account, Street, District

Wall.

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Visual FoxPro

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Flat.

Ad-

dress (Regular).

. 3.8.

Flat

(

Indexes) 33

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–

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– Visual FoxPro – Primary). – ( Visual FoxPro

,

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Visual FoxPro – Regular).

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Visual FoxPro – Candidate). Flat ( . 2.4)

. Account ( ). .

-

. . Street (

-

,

). ,

Street ( 1.

. 2.1). Street Real Estate ( . 2.1) . . Modify.

2.

.

-

.

: Or-

Street .

Indexes ( . 3.9). der, Name, Type, Expression, Filter

. 3.9. 34

.

Street

Collate.

(

Indexes)

3. 4. Tab 5. : Primary, Candidate, Binary 6. ( . 7. .

– street. Type. .

-

Regular.

– Primary.

, ) – street.

-

OK. Visual FoxPro Yes. .

Owners (

,

).

, : Street+House+Flat+Number. 1. Owners Real Estate ( . 2.1) . . Modify. 2. . Indexes ( . 3.10). der, Name, Type, Expression, Filter Collate.

. 3.10.

Owners

3. 4. Tab 5. : Primary, Candidate, Binary – Primary. 6. .

. Owners .

-

.

: Or-

(

Indexes)

– Ownersid. Type. . ,

Regular.

-

Expression

.

. 35

.

(

STR

Numeric

. 3.11).

, Character –

.

. 3.11.

7.

OK. Visual FoxPro Yes.

.

. (Regular),

(

-

Can-

didate) – . Visual FoxPro

(Regular Candidate). CDX.

3.5. ,

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36

-

.

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1.

District Real Estate ( . 2.1) . . Modify.

-

9,

. 3.12).

district (

District ( . District .

)

):

37

2. 3.

(

. 3.13)

(

Fields).

Rule, : District>0 .And. DistrictM.Date_Up+100 =MESSAGEBOX(' ! '+; ' ! ',48,' !') DO FORM ChangPas && ENDIF ELSE SuperVisor=.F. && =MESSAGEBOX(' .',; 48,' ') ENDIF ENDIF THISFORM.Release && LOGIN CLEAR EVENTS && Visual FoxPro **SuperVisor=.F. && THISFORM.Release && CLEAR EVENTS && *-

4.2.2.

LOGIN Visual FoxPro

Access – (Employee)

(Access) Visual FoxPro, -

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File

Save As Class Save Class, . . .

Visual FoxPro.

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Save Class

, ,

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vcx)

-

. . Visual FoxPro File File. ( . 4.7.) Worker, Worker.vcx , . .

New,

Class New Class Container

.

OK.

. ,

Open. Class Designer, ( . 4.8).

62

New

-

, -

. 4.7.

-

, .

. 4.8.

Worker

. -

, .

.

-

, . Access. (Data Environment)

User. 63

. Form Controls ( . 4.9. Visual FoxPro View, Toolbars. Form Controls

. ). – Toolbars. – OK. View Classes.

Add. Worker.vcx Form Controls . .

, Open

Worker.

OK , (Standard). Worker.

. 4.9.

Access . 4.10.

. 4.10. 64

Form Controls (

ee

Access

)

4.2.3.

Employee – Employee. –

,

– (Data Environment) . Page Frame Controls ( ). – View, Toolbars. OK. Page Frame, .

, . User. .

Form . 4.9. Visual FoxPro

Toolbars. – Form Controls

Employee . 4.11.

. 4.11.

Employee

, Load * * PUBLIC IND IND=0

: IND (

)

&& 65

* SELECT USER SET ORDER TO TAG LastName

Activate

Employee:

* * , (IND=1 IND=2) * IF IND>=1 IND=1 ENDIF * LIST1 THISFORM.PAGEFRAME1.PAGE1.LIST1.SETFOCUS * THISFORM.PAGEFRAME1.PAGE1.LIST1.REFRESH

Interactive Change

List1:

IND=1 && *

DblClick

List1:

IND=1 && List1 * THISFORM.PAGEFRAME1.ACTIVEPAGE=2

Click

:

IND=2 && * THISFORM.PAGEFRAME1.ACTIVEPAGE=2

Page Frame1

OK

-

Worker. . Form Controls ( ) View Classes ( . 4.9). , Add. Open Worker.vcx Worker. Open Form Controls Worker, . (Standard). . 4.12. .

. 4.12. Form Controls 66

Employee

Worker.

,

(

, . 4.13)

.

.

. 4.13.

Activate

Employee

Employee:

DO CASE CASE IND=0 && =MESSAGEBOX(' ! ',; 48,' !') * THISFORM.PAGEFRAME1.ACTIVEPAGE=1 CASE IND=1 && * THISFORM.PAGEFRAME1.PAGE2.COMMAND2.ENABLED=.T. * 3 THISFORM.PAGEFRAME1.PAGE2.COMMAND3.CAPTION=[ * THISFORM.PAGEFRAME1.PAGE2.COMMAND4.ENABLED=.T. * SCATTER MEMVAR CASE IND=2 && * THISFORM.PAGEFRAME1.PAGE2.COMMAND2.ENABLED=.F. * 3 THISFORM.PAGEFRAME1.PAGE2.COMMAND3.CAPTION=[ *

]

]

67

THISFORM.PAGEFRAME1.PAGE2.COMMAND4.ENABLED=.F. * SCATTER MEMVAR BLANK THISFORM.PAGEFRAME1.PAGE2.Worker1.TxtLastName.SETFOCUS ENDCASE * This.Refresh

Worker.

Interactive Change Access ,

Optiongroup1 Employee . Employee.

* ThisForm.PageFrame1.Page2.Worker1.chkAccess01.Value= .T. ThisForm.PageFrame1.Page2.Worker1.chkAccess02.Value= .T. ThisForm.PageFrame1.Page2.Worker1.chkAccess03.Value= .F. ThisForm.PageFrame1.Page2.Worker1.chkAccess04.Value= .F. ThisForm.PageFrame1.Page2.Worker1.chkAccess05.Value= .T. ThisForm.PageFrame1.Page2.Worker1.chkAccess06.Value= .F. ThisForm.PageFrame1.Page2.Worker1.chkAccess07.Value= .F. ThisForm.PageFrame1.Page2.Worker1.chkAccess08.Value= .F. ThisForm.PageFrame1.Page2.Worker1.chkAccess09.Value= .F. ThisForm.PageFrame1.Page2.Worker1.chkAccess10.Value= .F. ThisForm.PageFrame1.Page2.Worker1.chkAccess11.Value= .F. ThisForm.PageFrame1.Page2.Worker1.chkAccess12.Value= .F. ThisForm.PageFrame1.Page2.Worker1.chkAccess13.Value= .F. ThisForm.PageFrame1.Page2.Worker1.chkAccess14.Value= .F. * DO CASE CASE THIS.Value=1 && * ThisForm.PageFrame1.Page2.Worker1.chkAccess06.Value=.T. * ThisForm.PageFrame1.Page2.Worker1.chkAccess07.Value=.T. * ThisForm.PageFrame1.Page2.Worker1.chkAccess08.Value=.T. * ThisForm.PageFrame1.Page2.Worker1.chkAccess10.Value=.T. * ThisForm.PageFrame1.Page2.Worker1.chkAccess11.Value=.T. * ThisForm.PageFrame1.Page2.Worker1.chkAccess13.Value=.T. CASE THIS.Value=2 && * ThisForm.PageFrame1.Page2.Worker1.chkAccess06.Value=.T. * ThisForm.PageFrame1.Page2.Worker1.chkAccess08.Value=.T. * ThisForm.PageFrame1.Page2.Worker1.chkAccess09.Value=.T. 68

CASE THIS.Value=3 && * ThisForm.PageFrame1.Page2.Worker1.chkAccess06.Value=.T. * ThisForm.PageFrame1.Page2.Worker1.chkAccess08.Value=.T. * ThisForm.PageFrame1.Page2.Worker1.chkAccess10.Value=.T. CASE THIS.Value=4 && * ThisForm.PageFrame1.Page2.Worker1.chkAccess03.Value=.T. * ThisForm.PageFrame1.Page2.Worker1.chkAccess04.Value=.T. * ThisForm.PageFrame1.Page2.Worker1.chkAccess14.Value=.T. ENDCASE

, . , (5

. )

.

,

, , -

ODBC, Visual FoxPro,

, User. , Login

(

. 4.14.

. 4.14).

,

User

.

. Click lnMsgResult=MESSAGEBOX(' 36,' IF lnMsgResult=6 && * M.PassWord=[00000] M.PassWord=CrKod(M.PassWord) M.Inspector=FAMILY

',; ')

&& && 69

M.Date_Up=DATE() && M.Time_Up=TIME() && * GATHER MEMVAR * THISFORM.PAGEFRAME1.ACTIVEPAGE=1 ENDIF

Click lnMsgResult=MESSAGEBOX(' 36,' ') IF lnMsgResult=6 && * DELETE * User GOTO TOP * THISFORM.PAGEFRAME1.ACTIVEPAGE=1 ENDIF

',;

(

Activate

).

, –

00000 «

. ».

Click * * M.LastName=ThisForm.PageFrame1.Page2.Worker1.TxtLastName.Value IF LEN(ALLTRIM(M.LastName))=0 =MESSAGEBOX(' !',; 48,' ') ThisForm.PageFrame1.Page2.Worker1.TxtLastName.SetFocus RETURN ENDIF * M.FirstName=ThisForm.PageFrame1.Page2.Worker1.TxtFirstName.Value IF LEN(ALLTRIM(M.FirstName))=0 =MESSAGEBOX(' !',; 48,' ') ThisForm.PageFrame1.Page2.Worker1.TxtFirstName.SetFocus RETURN ENDIF * M.SecondName=; ThisForm.PageFrame1.Page2.Worker1.TxtSecondName.Value IF LEN(ALLTRIM(M.SecondName))=0 70

=MESSAGEBOX(' !',; 48,' ') ThisForm.PageFrame1.Page2.Worker1.TxtSecondName.SetFocus RETURN ENDIF * M.Post=ThisForm.PageFrame1.Page2.Worker1.TxtPost.Value IF LEN(ALLTRIM(M.Post))=0 =MESSAGEBOX(' !',; 48,' ') ThisForm.PageFrame1.Page2.Worker1.TxtPost.SetFocus RETURN ENDIF * M.Range=ThisForm.PageFrame1.Page2.Worker1.OptionGroup1.Value IF M.Range=0 =MESSAGEBOX(' !',; 48,' ') RETURN ENDIF lnMsgResult=MESSAGEBOX(' ',; 36,' ') IF lnMsgResult=6 && M.Inspector=FAMILY && M.Date_Up=DATE() && M.Time_Up=TIME() && * M.Access01=ThisForm.PageFrame1.Page2.Worker1.chkAccess01.Value M.Access02=ThisForm.PageFrame1.Page2.Worker1.chkAccess02.Value M.Access03=ThisForm.PageFrame1.Page2.Worker1.chkAccess03.Value M.Access04=ThisForm.PageFrame1.Page2.Worker1.chkAccess04.Value M.Access05=ThisForm.PageFrame1.Page2.Worker1.chkAccess05.Value M.Access06=ThisForm.PageFrame1.Page2.Worker1.chkAccess06.Value M.Access07=ThisForm.PageFrame1.Page2.Worker1.chkAccess07.Value M.Access08=ThisForm.PageFrame1.Page2.Worker1.chkAccess08.Value M.Access09=ThisForm.PageFrame1.Page2.Worker1.chkAccess09.Value M.Access10=ThisForm.PageFrame1.Page2.Worker1.chkAccess10.Value M.Access11=ThisForm.PageFrame1.Page2.Worker1.chkAccess11.Value M.Access12=ThisForm.PageFrame1.Page2.Worker1.chkAccess12.Value M.Access13=ThisForm.PageFrame1.Page2.Worker1.chkAccess13.Value M.Access14=ThisForm.PageFrame1.Page2.Worker1.chkAccess14.Value IF THIS.CAPTION=[ ] * M.PassWord=[00000] M.PassWord=CrKod(M.PassWord) APPEND BLANK ENDIF GATHER MEMVAR * THISFORM.PAGEFRAME1.ACTIVEPAGE=1 ENDIF 71

4.2.4.

Password – (

),

-

. (

Click Password.

Login).

(

– Password

). . 4.15.

.

. 4.15.

Password

, Load

Password:

* SELECT USER SET ORDER TO TAG LastName * User SEEK FAMILY

Init * PRIVATE Old,New1,New2 72

Password

.

* * STORE [ ] TO Old,New1,New2

Click * SCATTER MEMVAR * SET EXACT ON IF UnKod(M.PassWord)#ALLTRIM(Old) =MESSAGEBOX(' 48,' !') SET EXACT OFF * THISFORM.TEXT1.SetFocus RETURN ENDIF SET EXACT OFF * New1=ALLTRIM(New1) New2=ALLTRIM(New2) SET EXACT ON IF New1#New2 =MESSAGEBOX(' 48,' !') SET EXACT OFF THISFORM.TEXT2.SetFocus RETURN ENDIF SET EXACT OFF IF LEN(New1)