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教你如何从MySQL导出XLS数据库工具

这个脚本是使用Perl生成excel xls文件的工具。依赖一些模块，你可以在linux下使用，产生xls文件。使用方式是命令行+参数。非常方便。

#!/usr/bin/perl

#===============================

# mysql to excel

# lastmodify at 2005-1-5

# copyright by hoowa

#=============================

use strict; #严格语法检测

use DBI; #数据库引擎

use Unicode::Map; #Unicode引擎

#use Spreadsheet::WriteExcel; #Excel报表引擎

use Spreadsheet::WriteExcel::Big; #大文件Excel报表引擎

my $hostname='192.168.1.133';

my $username='user';

my $password='pass';

my $dbname='db';

my $trans_compress=1; #任何非一的数关闭数据库到程序间传输压缩 

$|=1; 
my @cols=('A:A','B:B','C:C','D:D','E:E','F:F','G:G','H:H','I:I','J:J', 
'K:K','L:L','M:M','N:N','O:O','P:P','Q:Q','R:R','S:S','T:T','U:U', 
'V:V','W:W','X:X','Y:Y','Z:Z','AA:A','BB:B','CC:C','DD:D','EE:E', 
'FF:F','GG:G','HH:H','II:I','JJ:J','KK:K','LL:L','MM:M','NN:N', 
'OO:O','PP:P','QQ:Q','RR:R','SS:S','TT:T','UU:U','VV:V','WW:W', 
'XX:X','YY:Y','ZZ:Z');

#解析来内容 

if ($#ARGV != '1') { 
print qq'syntax: my2excel.pl  "[where expression]" 
'; 
exit; 
} 
$ARGV[1]=' s/\"//g; 
warn qq' 
mysql to excel 
by hoowa.sun 
===================== 
sql: $ARGV[1] 
'; 
my $dbh =  
DBI->connect("DBI:mysql:mysql_compression=$trans_compress; 
database=$dbname;host=$hostname",$username,$password); 
my $sth = $dbh->prepare("$ARGV[1]") || die $dbh->errstr; 
my $rows = $sth->execute() or die $sth->errstr; 
warn "rows: $rows found.\n"; 
my @cols_name = @{$sth->{'NAME'}}; 
if ($#cols_name > $#cols) { 
print "table $ARGV[1] fields out of allow!!(max num. > ".($#cols+1).")\n"; 
exit; 
} 
warn "write to: $ARGV[0]\n";

#生成GB2312编码系统

my $map = Unicode::Map->new("gb2312");

#产生报表

my $report = Spreadsheet::WriteExcel::Big->new("$ARGV[0]") || die "不能生成报表文件：$!";

#创建报表的工作表

my $sheet = $report->add_worksheet('data_report');

#创建格式

my $title_style = $report->add_format(); $title_style->set_size(11); $title_style->set_bold(); $title_style->set_align('center');

#初始化数据指针

my $sheet_col = 0;

#创建表格 

for (my $i=0;$i<=$#cols_name ;$i++) { 
$sheet->set_column($cols[$i], length($cols_name[$i])+4); 
$sheet->write_unicode($sheet_col,$i,$map->to_unicode($cols_name[$i]),$title_style); 
} 
$sheet->freeze_panes(1, 0);#冻结行 

while (my @row = $sth->fetchrow_array) { 
$sheet_col++; 
for (my $i=0;$i<=$#cols_name ;$i++) { 
next if ($row[$i] eq ''); 
$sheet->write_unicode($sheet_col,$i,$map->to_unicode($row[$i])); 
} 
} 
warn "all done!!!\n";

#结束

END {

$report->close() if ($report);

$dbh->disconnect();

}