Question

我创建了一个 SQLite 数据库和一个名为＆＃39; COMPANY＆＃39;的表。

我的目的是创建一个模块（ Connect.pm ），它保护数据库处理程序（$ dbh），这是与数据库的连接，并与对象保持一致创建后，我可以调用Connect.pm中的插入方法。

当我尝试将数据插入数据库时，它给出了以下错误：

DBD :: SQLite :: db prepare failed：没有这样的表：temp.pl上的COMPANY   第6行。
  DBD :: SQLite :: db准备失败：没有这样的表：COMPANY at   temp.pl第6行。

Connect.pm

package Connect;

use strict;
use DBI;

use Data::Dumper;

sub new {
    my $class = shift;
    my $driver = "SQLite";
    my $database = "WEBSITE.db";
    my $dsn = "DBI:$driver:dbname:$database";
    my $userid = "";
    my $password = "";
    my $dbh = DBI->connect($dsn, $userid, $password, { RaiseError => 1}) or die $DBI::errstr;
    my $self = { dbh => $dbh};

    print STDERR "Opened database successfully\n";
    bless $self, $class;
    return $self;
}
sub insert {
    my $self = shift;
    my ($id, $firstName, $lastName, $email, $comment) = @_;
    my $sth = $self->{ dbh }->prepare("INSERT INTO COMPANY VALUES (?, ?, ?, ?, ?)");
    my $rv = $sth->execute($id, $firstName, $lastName, $email, $comment) or die $DBI::errstr;

    my $value = "Inserted Successfully";
    if($rv < 0){
        $value = $DBI::errstr;
    }
    return $value;
}

1;

temp.pl

use DBI;
use strict;
use Connect;

my $obj = Connect->new();
my $status = $obj->insert("002", "Test", "User", "a\@b.com", "Comment");

$obj->disconenct();

我可以使用这个程序来创建数据库并查询它，它可以工作。

use DBI;
use strict;
my $driver   = "SQLite";
my $database = "WEBSITE.db";
my $dsn      = "DBI:$driver:dbname=$database";
my $userid   = "";
my $password = "";
my $dbh      = DBI->connect( $dsn, $userid, $password, { RaiseError => 1 } ) or die $DBI::errstr;
my $sth      = $dbh->prepare('INSERT INTO COMPANY VALUES (?, ?, ?, ?, ?)');
my $rv = $sth->execute( "003", "Test", "User", "a\@b.com", "Test Comment" ) or die $DBI::errstr;

Answer 1

模块中的DSN错误：“DBI：$ driver：dbname：$ database”应该是“DBI：$ driver：dbname = $ database”（dbname之后应该有一个等号，而不是冒号）。发表于ThisSuitIsBlackNot 1月10日15:57是正确答案...

DBD :: SQLite :: db准备失败：没有这样的表Perl

1 个答案: