<!--?php
/**
* 使用方法：
* php -f
mysql_diff.php yes dir 10
* 是否计算条数 是否计算输出d5并保存到文件 合并数据的级别
*
*/
if(php_sapi_name() != 'cli')
{
die("请在CLI模式下运行");
}
array_shift($argv);
if(empty($argv))
{
die("at letase contain one info");
}
$is_count = array_shift($argv);
$is_md5 = empty($argv) ? false : array_shift($argv);
$conbine_num = empty($argv) ? 1 : intval(array_shift($argv));
if($is_md5 && !is_dir($is_md5) && !mkdir($is_md5, 777, true))
{
die("error info : md5 info must be input to a file");
}
$dbinfos = array(
'host' => 'localhost',
'port' => '3306',
'user' => 'root',
'pswd' => '123456',
'charset' => 'utf8',
'tables' => array(
'lagou.pos',
'lagou.pos_innodb',
),
);
//验证格式
if(!$link = mysql_connect($dbinfos['host'].":".$dbinfos['port'],$dbinfos['user'], $dbinfos['pswd']))
{
die("connect to [{$host}@{$port}] failed!!");
}
if(!mysql_query("set names {$dbinfos['charset']}"))
{
die("set charset error : ".mysql_error());
}
foreach ($dbinfos['tables'] as $table)
{
if($is_count)
{
$sql = "select count(*) as nums from {$table}";
$ret = mysql_query($sql);
if(!$ret)
{
die("error : ".mysql_error());
}
$ret = mysql_fetch_array($ret, MYSQL_ASSOC);
echo "{$table} : {$ret['nums']}\n";
}
if($is_md5)
{
$path = $is_md5.DIRECTORY_SEPARATOR.$table;
$sql = "select * from {$table}";
$ret = mysql_query($sql);
$flag = 0;
$fields = '';
while ($_ret = mysql_fetch_array($ret, MYSQL_NUM)) {
$flag++;
while($_ret)
{
$fields .= array_pop($_ret);
}
if($flag % $conbine_num == 0)
{
file_put_contents($path, md5($fields)."\n", FILE_APPEND);
$fields = '';
}
}
if($flag % $conbine_num != 0 && $flag > 0)
{
file_put_contents($path, md5($fields)."\n", FILE_APPEND);
}
echo "save to file info : ".realpath($path)."\n";
}
}