header("Content-type:text/html;charset=utf-8");
//配置信息
$cfg_dbhost = DB_HOST;
$cfg_dbname = DB_NAME;
$cfg_dbuser = DB_USER;
$cfg_dbpwd = DB_PWD ;
$cfg_db_language = DB_CHARSET;
$to_file_name = $_POST['name'].'.sql'; //导出的sql路径及文件名
// END 配置
//链接数据库
$link = mysqli_connect($cfg_dbhost,$cfg_dbuser,$cfg_dbpwd);
mysqli_select_db($link,$cfg_dbname);
//选择编码
mysqli_set_charset($link,'utf8');
//数据库中有哪些表
$tables = mysqli_query($link,"show tables");
//将这些表记录到一个数组
$tabList = array();
while($row = mysqli_fetch_row($tables)){
$tabList[] = $row[0];
}
echo "运行中,请耐心等待...<br/>";
$info = "-- ----------------------------\r\n";
$info .= "-- 日期:".date("Y-m-d H:i:s",time())."\r\n";
$info .= "-- Power by 启东 893797758@qq.com\r\n";
$info .= "-- 本程序试用于php7,不适合大量数据\r\n";
$info .= "-- ----------------------------\r\n\r\n";
file_put_contents($to_file_name,$info,FILE_APPEND);
//将每个表的表结构导出到文件
foreach($tabList as $val){
$sql = "show create table ".$val;
$res = mysqli_query($link,$sql);
$row = mysqli_fetch_array($res);
$info = "-- ----------------------------\r\n";
$info .= "-- Table structure for `".$val."`\r\n";
$info .= "-- ----------------------------\r\n";
$info .= "DROP TABLE IF EXISTS `".$val."`;\r\n";
$sqlStr = $info.$row[1].";\r\n\r\n";
//追加到文件
file_put_contents($to_file_name,$sqlStr,FILE_APPEND);
//释放资源
mysqli_free_result($res);
}
//将每个表的数据导出到文件
foreach($tabList as $val){
$sql = "select * from ".$val;
$res = mysqli_query($link,$sql);
//如果表中没有数据,则继续下一张表
if(mysqli_num_rows($res)<1) continue;
//
$info = "-- ----------------------------\r\n";
$info .= "-- Records for `".$val."`\r\n";
$info .= "-- ----------------------------\r\n";
file_put_contents($to_file_name,$info,FILE_APPEND);
//读取数据
while($row = mysqli_fetch_row($res)){
$sqlStr = "INSERT INTO `".$val."` VALUES (";
foreach($row as $zd){
$sqlStr .= "'".$zd."', ";
}
//去掉最后一个逗号和空格
$sqlStr = substr($sqlStr,0,strlen($sqlStr)-2);
$sqlStr .= ");\r\n";
file_put_contents($to_file_name,$sqlStr,FILE_APPEND);
}
//释放资源
mysqli_free_result($res);
file_put_contents($to_file_name,"\r\n",FILE_APPEND);
}
echo "OK!";
Last modification:December 31, 2019
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