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<!DOCTYPE html> <body> <br /><br /> <form> Vorname : <input type="text" name="vorname" size="40" autofocus="autofocus" /> <br /><br /> Nachname: <input type="text" name="nachname" size="40" /> <br /><br /> Strasse : <input type="text" name="strasse" size="40" /> <br /><br /> Nummer : <input type="number" name="nummer" size="5" /> <br /><br /> Ort : <input type="text" name="ort" size="40" /> <br /><br /> PLZ : <input type="number" name="plz" size="5" /> <br /><br /><br /><br /> Weiter : <input type="submit" /> </form> </body> </html>
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$sth = $dbh->prepare( "SELECT strasse, nummer, ort, plz FROM $table WHERE vorname == ? AND nachname == ?" ); $sth->execute( $vorname, $nachname );
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#!/usr/local/bin/perl use warnings; use 5.014; use Mojolicious::Lite; use DBI qw(:sql_types); my $db = 'adressen_db'; my $dbh = DBI->connect( "DBI:SQLite:dbname=$db", "", "", {} ); $dbh->{RaiseError} = 1; $dbh->{PrintError} = 0; $dbh->{AutoCommit} = 1; $dbh->{sqlite_unicode} = 1; $dbh->do("PRAGMA cache_size = 400000"); $dbh->do("PRAGMA synchronous = OFF"); my $table = 'adressen'; #$dbh->do( "CREATE TABLE $table ( vorname TEXT, nachname TEXT, steuernummer TEXT PRIMARY KEY, strasse, nummer INTEGER, ort TEXT, plz INTEGER )" ); get '/namen' => sub { shift->render( 'namen' ); }; get '/steuernummer' => sub { my $self = shift; my $vorname = $self->param('vorname'); my $nachname = $self->param('nachname'); my $sth = $dbh->prepare( "SELECT steuernummer FROM $table WHERE vorname == ? AND nachname == ?" ); $sth->execute( $vorname, $nachname ); my @steuernummern; while ( my $row = $sth->fetchrow_hashref ) { push @steuernummern, $row->{steuernummer}; } $self->stash( vorname => $vorname ); $self->stash( nachname => $nachname ); $self->stash( steuernummern => [ @steuernummern ] ); $self->render( 'steuernummer' ); }; get '/adresse' => sub { my $self = shift; my $steuernummer = $self->param('steuernummer'); my $vorname = $self->param('vorname'); my $nachname = $self->param('nachname'); my $sth = $dbh->prepare( "SELECT strasse, nummer, ort, plz FROM $table WHERE steuernummer == ?" ); $sth->execute( $steuernummer ); my $ref = $sth->fetchall_arrayref; $self->stash( vorname => $vorname ); $self->stash( nachname => $nachname ); $self->stash( steuernummer => $steuernummer ); $self->stash( strasse => '' ); $self->stash( nummer => '' ); $self->stash( ort => '' ); $self->stash( plz => '' ); $self->stash( exists => 0 ); if ( @$ref == 1 and @{$ref->[0]} == 4 ) { my ( $strasse, $nummer, $ort, $plz ) = @{$ref->[0]}; $self->stash( strasse => $strasse ); $self->stash( nummer => $nummer ); $self->stash( ort => $ort ); $self->stash( plz => $plz ); $self->stash( exists => 1 ); } $self->render( 'adresse' ); }; get '/database' => sub { my $self = shift; my $vorname = $self->param('vorname'); my $nachname = $self->param('nachname'); my $steuernummer = $self->param('steuernummer'); my $strasse = $self->param('strasse'); my $nummer = $self->param('nummer'); my $ort = $self->param('ort'); my $plz = $self->param('plz'); my $exists = $self->param('exists'); if ( not $exists ) { my $sth = $dbh->prepare( "INSERT INTO $table ( vorname, nachname, steuernummer, strasse, nummer, ort, plz ) VALUES ( ?, ?, ?, ?, ?, ?, ? )" ); $sth->execute( $vorname, $nachname, $steuernummer, $strasse, $nummer, $ort, $plz ); } $self->render( 'database' ); }; app->start; __DATA__ @@ namen.html.ep <!DOCTYPE html> <html> <head> </head> <body> <br /><br /> <form action="steuernummer"> Vorname : <input type="text" name="vorname" required="required" size="40" maxlength="80" autofocus="autofocus" autocomplete="on" /> <br /><br /> Nachname: <input type="text" name="nachname" required="required" size="40" maxlength="80" autocomplete="on" /> <br /><br /><br /><br /> Weiter : <input type="submit" /> </form> </body> </html> @@ steuernummer.html.ep <!DOCTYPE html> <html> <head> </head> <body> <br /><br /> <form action="adresse"> <input type='hidden' name='vorname' value="<%= $vorname %>"> <input type='hidden' name='nachname' value="<%= $nachname %>"> % if ( @$steuernummern == 0 ) { Steuernummer: <input type="text" name="steuernummer" required="required" size="20" maxlength="20" autofocus="autofocus" /> % } elsif ( @$steuernummern == 1 ) { Steuernummer: <input type="text" name="steuernummer" value="<%= $steuernummern->[0] %>" required="required" size="20" maxlength="20" autofocus="autofocus" /> % } else { Steuernummer: <input type="text" name="steuernummer" required="required" size="20" maxlength="20" list="list_steuernummer" autofocus="autofocus" autocomplete="off" /> <datalist id="list_steuernummer"> % for my $value ( @{$steuernummern} ) { <option value="<%= $value %>" /> % } </datalist> % } <br /><br /><br /><br /> Weiter : <input type="submit" /> </form> </body> </html> @@ adresse.html.ep <!DOCTYPE html> <html> <head> </head> <body> <br /><br /> <h1<%= "$steuernummer" %></h1> <form action="database"> <input type='hidden' name='vorname' value="<%= $vorname %>"> <input type='hidden' name='nachname' value="<%= $nachname %>"> <input type='hidden' name='steuernummer' value="<%= $steuernummer %>"> <input type='hidden' name='exists' value="<%= $exists %>"> Strasse : <input type="text" name="strasse" value="<%= $strasse %>" required="required" size="40" maxlength="80" autofocus="autofocus" autocomplete="on" /> <br /><br /> Nummer : <input type="number" name="nummer" value="<%= $nummer %>" required="required" size="5" maxlength="5" autocomplete="on" /> <br /><br /> Ort : <input type="text" name="ort" value="<%= $ort %>" required="required" size="40" maxlength="80" autocomplete="on" /> <br /><br /> PLZ : <input type="number" name="plz" value="<%= $plz %>" required="required" size="5" maxlength="5" autocomplete="on" /> <br /><br /><br /><br /> Weiter : <input type="submit" /> </form> </body> </html> @@ database.html.ep <!DOCTYPE html> <html> <head> </head> <body> <p>Klicken Sie auf <a href='namen'>weiter</a> um eine weiteren Eintrag hinzuzufügen.</p> </body> </html>
QuoteIst es möglich diese Seite so zu verändern, dass nach einer Eingabe von `Vorname` und `Nachname` die restlichen Felder automatisch ausgefüllt werden, wenn eine solche Datenbankabfrage nur einen Eintrag liefert?