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Exemplo crud em cobol para cadastro de clientes
IDENTIFICATION DIVISION.
PROGRAM-ID. CLIENTES.
ENVIRONMENT DIVISION.
INPUT-OUTPUT SECTION.
FILE-CONTROL.
SELECT FILE1 ASSIGN TO DISK
ORGANIZATION IS INDEXED
ACCESS MODE IS RANDOM
FILE STATUS IS FS-STAT
RECORD KEY IS FS-KEY.
DATA DIVISION.
FILE SECTION.
FD FILE1 VALUE OF FILE-ID IS "clientes.dat".
01 FILE1-REC.
05 FS-KEY.
10 FS-FONE PIC 9(09) BLANK WHEN ZEROS.
05 FS-NOME PIC X(40).
05 FS-ENDERECO PIC X(40).
05 FILLER PIC X(20).
WORKING-STORAGE SECTION.
01 WS-MODULO.
05 FILLER PIC X(11) VALUE "CLIENTES -".
05 WS-OP PIC X(20) VALUE SPACES.
77 WS-OPCAO PIC X.
88 E-INCLUIR VALUE IS "1".
88 E-CONSULTAR VALUE IS "2".
88 E-ALTERAR VALUE IS "3".
88 E-EXCLUIR VALUE IS "4".
88 E-ENCERRAR VALUE IS "X" "x".
77 FS-STAT PIC 9(02).
88 FS-OK VALUE ZEROS.
88 FS-CANCELA VALUE 99.
88 FS-NAO-EXISTE VALUE 35.
77 WS-ERRO PIC X.
88 E-SIM VALUES ARE "S" "s".
77 WS-NUML PIC 999.
77 WS-NUMC PIC 999.
77 COR-FUNDO PIC 9 VALUE 1.
77 COR-FRENTE PIC 9 VALUE 6.
77 WS-STATUS PIC X(30).
77 WS-MSGERRO PIC X(80).
COPY screenio.
SCREEN SECTION.
01 SS-CLS.
05 SS-FILLER.
10 BLANK SCREEN.
10 LINE 01 COLUMN 01 ERASE EOL
BACKGROUND-COLOR COR-FUNDO.
10 LINE WS-NUML COLUMN 01 ERASE EOL
BACKGROUND-COLOR COR-FUNDO.
05 SS-CABECALHO.
10 LINE 01 COLUMN 02 PIC X(31) FROM WS-MODULO
HIGHLIGHT FOREGROUND-COLOR COR-FRENTE
BACKGROUND-COLOR COR-FUNDO.
05 SS-STATUS.
10 LINE WS-NUML COLUMN 2 ERASE EOL PIC X(30)
FROM WS-STATUS HIGHLIGHT
FOREGROUND-COLOR COR-FRENTE
BACKGROUND-COLOR COR-FUNDO.
01 SS-MENU FOREGROUND-COLOR 6.
05 LINE 07 COLUMN 15 VALUE "1 - INCLUIR".
05 LINE 08 COLUMN 15 VALUE "2 - CONSULTAR".
05 LINE 09 COLUMN 15 VALUE "3 - ALTERAR".
05 LINE 10 COLUMN 15 VALUE "4 - EXCLUIR".
05 LINE 11 COLUMN 15 VALUE "X - ENCERRAR".
05 LINE 13 COLUMN 15 VALUE "OPÇÃO: ".
05 LINE 13 COL PLUS 1 USING WS-OPCAO AUTO.
01 SS-TELA-REGISTRO.
05 SS-CHAVE FOREGROUND-COLOR 2.
10 LINE 10 COLUMN 10 VALUE "TELEFONE:".
10 COLUMN PLUS 2 PIC 9(09) USING FS-FONE
BLANK WHEN ZEROS.
05 SS-DADOS.
10 LINE 11 COLUMN 10 VALUE " NOME:".
10 COLUMN PLUS 2 PIC X(40) USING FS-NOME.
10 LINE 12 COLUMN 10 VALUE "ENDEREÇO:".
10 COLUMN PLUS 2 PIC X(40) USING FS-ENDERECO.
01 SS-ERRO.
05 FILLER FOREGROUND-COLOR 4 BACKGROUND-COLOR 1 HIGHLIGHT.
10 LINE WS-NUML COLUMN 2 PIC X(80) FROM WS-MSGERRO BELL.
10 COLUMN PLUS 2 TO WS-ERRO.
PROCEDURE DIVISION.
INICIO.
SET ENVIRONMENT 'COB_SCREEN_EXCEPTIONS' TO 'Y'.
SET ENVIRONMENT 'COB_SCREEN_ESC' TO 'Y'.
SET ENVIRONMENT 'ESCDELAY' TO '25'.
ACCEPT WS-NUML FROM LINES
ACCEPT WS-NUMC FROM COLUMNS
PERFORM ABRIR-ARQUIVOS
PERFORM UNTIL E-ENCERRAR
MOVE "MENU" TO WS-OP
MOVE "ESCOLHA A OPÇÃO" TO WS-STATUS
MOVE SPACES TO WS-OPCAO
DISPLAY SS-CLS
ACCEPT SS-MENU
EVALUATE TRUE
WHEN E-INCLUIR
PERFORM INCLUI THRU INCLUI-FIM
WHEN E-CONSULTAR
PERFORM CONSULTA THRU CONSULTA-FIM
WHEN E-ALTERAR
PERFORM ALTERA THRU ALTERA-FIM
WHEN E-EXCLUIR
PERFORM EXCLUI THRU EXCLUI-FIM
END-EVALUATE
END-PERFORM.
FINALIZA.
CLOSE FILE1.
STOP RUN.
* -----------------------------------
INCLUI.
MOVE "INCLUSÃO" TO WS-OP.
MOVE "ESC PARA ENCERRAR" TO WS-STATUS.
DISPLAY SS-CLS.
MOVE SPACES TO FILE1-REC.
INCLUI-LOOP.
ACCEPT SS-TELA-REGISTRO.
IF COB-CRT-STATUS = COB-SCR-ESC
GO INCLUI-FIM
END-IF
IF FS-NOME EQUAL SPACES OR FS-ENDERECO EQUAL SPACES
MOVE "FAVOR INFORMAR NOME E ENDEREÇO" TO WS-MSGERRO
PERFORM MOSTRA-ERRO
GO INCLUI-LOOP
END-IF
WRITE FILE1-REC
INVALID KEY
MOVE "CLIENTE JÁ EXISTE" TO WS-MSGERRO
PERFORM MOSTRA-ERRO
MOVE ZEROS TO FS-KEY
END-WRITE.
GO INCLUI.
INCLUI-FIM.
* -----------------------------------
CONSULTA.
MOVE "CONSULTA" TO WS-OP.
MOVE "ESC PARA ENCERRAR" TO WS-STATUS.
DISPLAY SS-CLS.
CONSULTA-LOOP.
MOVE SPACES TO FILE1-REC.
DISPLAY SS-TELA-REGISTRO.
PERFORM LE-CLIENTE THRU LE-CLIENTE-FIM.
IF FS-CANCELA
GO CONSULTA-FIM
END-IF
IF FS-OK
DISPLAY SS-DADOS
MOVE "PRESSIONE ENTER" TO WS-MSGERRO
PERFORM MOSTRA-ERRO
END-IF.
GO CONSULTA-LOOP.
CONSULTA-FIM.
* -----------------------------------
ALTERA.
MOVE "ALTERAÇÃO" TO WS-OP.
MOVE "ESC PARA ENCERRAR" TO WS-STATUS.
DISPLAY SS-CLS.
ALTERA-LOOP.
MOVE SPACES TO FILE1-REC.
DISPLAY SS-TELA-REGISTRO.
PERFORM LE-CLIENTE THRU LE-CLIENTE-FIM.
IF FS-CANCELA
GO TO ALTERA-FIM
END-IF
IF FS-OK
ACCEPT SS-DADOS
IF COB-CRT-STATUS = COB-SCR-ESC
GO ALTERA-LOOP
END-IF
ELSE
GO ALTERA-LOOP
END-IF
REWRITE FILE1-REC
INVALID KEY
MOVE "ERRO AO GRAVAR" TO WS-MSGERRO
PERFORM MOSTRA-ERRO
NOT INVALID KEY
CONTINUE
END-REWRITE.
GO ALTERA-LOOP.
ALTERA-FIM.
* -----------------------------------
EXCLUI.
MOVE "EXCLUSÃO" TO WS-OP.
MOVE "ESC PARA ENCERRAR" TO WS-STATUS.
DISPLAY SS-CLS.
MOVE SPACES TO FILE1-REC.
DISPLAY SS-TELA-REGISTRO.
PERFORM LE-CLIENTE THRU LE-CLIENTE-FIM.
IF FS-CANCELA
GO EXCLUI-FIM
END-IF
IF NOT FS-OK
GO EXCLUI
END-IF
DISPLAY SS-DADOS.
MOVE "N" TO WS-ERRO.
MOVE "CONFIRMA A EXCLUSÃO DO CLIENTE (S/N)?" TO WS-MSGERRO.
ACCEPT SS-ERRO.
IF NOT E-SIM
GO EXCLUI-FIM
END-IF
DELETE FILE1
INVALID KEY
MOVE "ERRO AO EXCLUIR" TO WS-MSGERRO
PERFORM MOSTRA-ERRO
END-DELETE.
EXCLUI-FIM.
* -----------------------------------
* LE CLIENTE E MOSTRA MENSAGEM SE CHAVE NÃO EXISTE
LE-CLIENTE.
ACCEPT SS-CHAVE.
IF NOT COB-CRT-STATUS = COB-SCR-ESC
READ FILE1
INVALID KEY
MOVE "CLIENTE NÃO ENCONTRADO" TO WS-MSGERRO
PERFORM MOSTRA-ERRO
END-READ
ELSE
MOVE 99 to FS-STAT
END-IF.
LE-CLIENTE-FIM.
* -----------------------------------
* ABRE ARQUIVOS PARA ENTRADA E SAÍDA
ABRIR-ARQUIVOS.
OPEN I-O FILE1
IF FS-NAO-EXISTE THEN
OPEN OUTPUT FILE1
CLOSE FILE1
OPEN I-O FILE1
END-IF.
* -----------------------------------
* MOSTRA MENSAGEM, ESPERA ENTER, ATUALIZA BARRA STATUS
MOSTRA-ERRO.
DISPLAY SS-ERRO
ACCEPT SS-ERRO
DISPLAY SS-STATUS.
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