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perl连接access数据库

Jun 07, 2016 pm 03:15 PM
ac access perl database connect

前题是必须安装好activeperl (505以上),以及MS Access 97 一. 安装Win32-ODBC模块 步骤1: 从TOOLS栏目中下载Win32-ODBC.zip,下载完后用winzip解开到一个temp目录,共有三个文件: Readme Win32-ODBC.ppd Win32-ODBC.tar.gz 步骤2: 在DOS窗口下,temp目录

前题是必须安装好activeperl (505以上),以及MS Access 97

一. 安装Win32-ODBC模块

步骤1:

从TOOLS栏目中下载Win32-ODBC.zip,下载完后用winzip解开到一个temp目录,共有三个文件:

Readme

Win32-ODBC.ppd

Win32-ODBC.tar.gz

步骤2:

在DOS窗口下,temp目录中运行下面的DOS命令:

ppm install Win32-ODBC.ppd

二. 准备测试用数据库(ACCESS)

步骤1:

启动MS ACCESS,建立一个新空数据库,命名为odbctest.mdb,保存在某一目录中(记住路径)。

步骤2:

然后新建一个表,建立三个字段:

字段名称 数据类型

Name 字符,长度50

Email 字符,长度50

Age 数字,长整型

将这个表保存为address(注意这个例子中,没有用自动增加的ID).输入若干记录:

Nighthawk nighthawk@163.net 20 1234567

John jt@163.net 24 0284393293

kit kit@21cn.com 18 3948932

保存后,关闭数据库文件。

步骤3:

打开控制面板中的 ODBC数据源(32位),在用户DSN栏中,找到用户数据源列表,选中名称为“MS Access 97 Database”的一行,然后按“配置”键。

在Database框中按"Select..",选择步骤1.2中建立的数据库文件odbctest.mdb,按OK即可。ODBC设置中的其它项目全部采用缺省设置,然后就是OK,确定,关闭对话窗口。

三. 这时候,数据库已经可以用了,我们来测试一下:

#!/usr/bin/perl

use Win32::ODBC;

$DSN = "MS Access 97 Database";

$DBase = "access.mdb";

#连接数据库

if (!($db = new Win32::ODBC($DSN))){

print "连接数据库失败.n";

exit();

}

else{

print "连接数据库成功 (连接号:", $db->Connection(), ")nn";

}

#数据库中的表

print "数据库中的表:";

@tables = $db->TableList;

print @tables;

print "n";

#选择数据表

if (! $db->Sql("SELECT * FROM [address] WHERE age>=20") ){

@FieldNames = $db->FieldNames();

$Cols = $#FieldNames + 1;

#表中字段数

print "表address字段数:$Colsn";

#字段列表

for ($i = 0; $i
print "$FieldNames[$i]t";

}

print "n";

#列出年龄大于20的记录

while($db->FetchRow()) {

@values = $db->Data();

print @values;

print "n";

}

}

##### sql #########

#添加记录

$sqlinsert = "INSERT INTO address VALUES ('Euler', 'euler@21cn.com', 28, '021-345689')";

#更新记录

$sqlupdate = "UPDATE address SET age = age+10 ";

#删除记录

$sqldelete = "DELETE FROM address WHERE name='jimtyan'";

$rc = $db->Sql($sqlinsert);

die qq(SQL 失败 "$sqlinsert": ), $db->Error(), qq(n) if $rc;

$rc = $db->Sql($sqlupdate);

die qq(SQL 失败 "$sqlupdate": ), $db->Error(), qq(n) if $rc;

$rc = $db->Sql($sqldelete);

die qq(SQL 失败 "$sqldelete": ), $db->Error(), qq(n) if $rc;

#关闭链接

$db->Close();

进一步学习请访问Win32-ODBC模块作者主页:http://www.roth.net/perl/odbc/

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