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      • PHP數(shù)據(jù)庫備份腳本技巧

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        PHP數(shù)據(jù)庫備份腳本技巧

          代碼如下:

          // 備份數(shù)據(jù)庫

          $host = "localhost";

          $user = "root"; //數(shù)據(jù)庫賬號

          $password = ""; //數(shù)據(jù)庫密碼

          $dbname = "mysql"; //數(shù)據(jù)庫名稱

          // 這里的賬號、密碼、名稱都是從頁面?zhèn)鬟^來的

          if (!mysql_connect($host, $user, $password)) // 連接mysql數(shù)據(jù)庫

          {

          echo 數(shù)據(jù)庫連接失敗,請核對后再試;

          exit;

          }

          if (!mysql_select_db($dbname)) // 是否存在該數(shù)據(jù)庫

          {

          echo 不存在數(shù)據(jù)庫: . $dbname . ,請核對后再試;

          exit;

          }

          mysql_query("set names utf8");

          $mysql = "set charset utf8; ";

          $q1 = mysql_query("show tables");

          while ($t = mysql_fetch_array($q1))

          {

          $table = $t[0];

          $q2 = mysql_query("show create table `$table`");

          $sql = mysql_fetch_array($q2);

          $mysql .= $sql[Create Table] . "; ";

          $q3 = mysql_query("select * from `$table`");

          while ($data = mysql_fetch_assoc($q3))

          {

          $keys = array_keys($data);

          $keys = array_map(addslashes, $keys);

          $keys = join(`,`, $keys);

          $keys = "`" . $keys . "`";

          $vals = array_values($data);

          $vals = array_map(addslashes, $vals);

          $vals = join(",", $vals);

          $vals = "" . $vals . "";

          $mysql .= " into `$table`($keys) values($vals); ";

          }

          }

          $filename = $dbname . date(Ymjgi) . ".sql"; //存放路徑,默認存放到項目最外層

          $fp = fopen($filename, w);

          fputs($fp, $mysql);

          fclose($fp);

          echo "數(shù)據(jù)備份成功";

          ?>

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