INPUT
Informix-4GL INPUT 敘述說明
語法一
INPUT ( variableName1 [, variableName2, ... ] / starVariable THEN endVariable )
[ WITHOUT DEFAULTS ]
FROM screenFiledName / screenRecordName.*
[ ATTRIBUTE ]
[ HELP helpName ]
[ BEFORE ( FIELD fieldName / INPUT )
( 4GL_Statement
/ sqlStatement
/ NEXT FIELD ( fieldName / NEXT / PREVIOUS )
/ ( EXIT / CONTINUE ) INPUT ) ]
[ AFTER ( FIELD fieldName / INPUT )
( 4GL_Statement
/ sqlStatement
/ NEXT FIELD ( fieldName / NEXT / PREVIOUS )
/ ( EXIT / CONTINUE ) INPUT ) ]
[ ONKEY ( keybordName )
( 4GL_Statement
/ sqlStatement
/ NEXT FIELD ( fieldName / NEXT / PREVIOUS )
/ ( EXIT / CONTINUE ) INPUT ) ]
END INPUT
語法二
INPUT BY NAME starVariable THEN endVariable
[ WITHOUT DEFAULTS ]
FROM screenFiledName / screenRecordName.*
[ ATTRIBUTE ]
[ HELP helpName ]
[ BEFORE ( FIELD fieldName / INPUT )
( 4GL_Statement
/ sqlStatement
/ NEXT FIELD ( fieldName / NEXT / PREVIOUS )
/ ( EXIT / CONTINUE ) INPUT ) ]
[ AFTER ( FIELD fieldName / INPUT )
( 4GL_Statement
/ sqlStatement
/ NEXT FIELD ( fieldName / NEXT / PREVIOUS )
/ ( EXIT / CONTINUE ) INPUT ) ]
[ ONKEY ( keybordName )
( 4GL_Statement
/ sqlStatement
/ NEXT FIELD ( fieldName / NEXT / PREVIOUS )
/ ( EXIT / CONTINUE ) INPUT ) ]
END INPUT
執行順序
BEFORE INPUT
BEFORE FIELD fieldName
ONKEY( keybordName )
AFTER FIELD fieldName
AFTER INPUT
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