PHP将cvs导入到MySql

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<?php

$databasehost = "localhost";
$databasename = "test";
$databasetable = "sample";
$databaseusername ="test";
$databasepassword = "";
$fieldseparator = ",";
$lineseparator = "n";
$csvfile = "filename.csv";

/********************************/
/* Would you like to add an ampty field at the beginning of these records?
/* This is useful if you have a table with the first field being an auto_increment integer
/* and the csv file does not have such as empty field before the records.
/* Set 1 for yes and 0 for no. ATTENTION: don't set to 1 if you are not sure.
/* This can dump data in the wrong fields if this extra field does not exist in the table
/********************************/
$addauto = 0;
/********************************/

/* Would you like to save the mysql queries in a file? If yes set $save to 1.
/* Permission on the file should be set to 777. Either upload a sample file through ftp and
/* change the permissions,or execute at the prompt: touch output.sql && chmod 777 output.sql
/********************************/
$save = 1;
$outputfile = "output.sql";
/********************************/

if (!file_exists($csvfile)) {
        echo "File not found. Make sure you specified the correct path.n";
        exit;
}

$file = fopen($csvfile,"r");

if (!$file) {
        echo "Error opening data file.n";
        exit;
}

$size = filesize($csvfile);

if (!$size) {
        echo "File is empty.n";
        exit;
}

$csvcontent = fread($file,$size);

fclose($file);

$con = @mysql_connect($databasehost,$databaseusername,$databasepassword) or die(mysql_error());
@mysql_select_db($databasename) or die(mysql_error());

$lines = 0;
$queries = "";
$linearray = array();

foreach(split($lineseparator,$csvcontent) as $line) {

        $lines++;

        $line = trim($line," t");

        $line = str_replace("r","",$line);

        /************************************
        This line escapes the special character. remove it if entries are already escaped in the csv file
        ************************************/
        $line = str_replace("'","'",$line);
        /*************************************/

        $linearray = explode($fieldseparator,$line);

        $linemysql = implode("','",$linearray);

        if($addauto)
                $query = "insert into $databasetable values('','$linemysql');";
        else
                $query = "insert into $databasetable values('$linemysql');";

        $queries .= $query . "n";

        @mysql_query($query);
}

@mysql_close($con);

if ($save) {

        if (!is_writable($outputfile)) {
                echo "File is not writable,check permissions.n";
        }

        else {
                $file2 = fopen($outputfile,"w");

                if(!$file2) {
                        echo "Error writing to the output file.n";
                }
                else {
                        fwrite($file2,$queries);
                        fclose($file2);
                }
        }

}

echo "Found a total of $lines records in this csv file.n";

?>

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