perl操作mysql数据库

#!/usr/bin/perl -w
use DBI;
my $driver="DBI:mysql";
my $database="test";
my $user="root";
my $host="localhost";
my $passwd="luogen30";
my $dbh = DBI->connect("$driver:database=$database;host=$host;user=$user;password=$passwd")
or die "Can't connect: " . DBI->errstr;
# 操作多列
my $sth=$dbh->prepare("select * from testtable ");
#操作一列
#my $sth=$dbh->prepare("SELECT NAME FROM testtable")
# or die "Can't prepare sql statement" . DBI->errstr;

$sth->execute() or die "Can't prepare sql statement". $sth->errstr;
# 操作多列
while(@recs=$sth->fetchrow_array){
print $recs[0].":".$recs[1].":".$recs[2]."\n";
}
#操作一列
#my($name);
#$sth->bind_columns(\$name);
#while( $sth->fetch()){
# printf $name ."\n";
#}

$sth->finish();
$dbh->disconnect();