php数据批量导入csv文件(示例)

<?php
/**php导入csv文件到数据库***
*同时计算程序执行时间
***/
//定义获取时间函数
function getmicrotime(){
    list($usec, $sec) = explode(" ",microtime());
    return ((float)$usec + (float)$sec);
}

$time_start = getmicrotime();
include("db.inc.php");//连接数据库
$db=new testcsv;

$handle = fopen ("test.csv","r");
$sql="insert into scores(idcard,names,num,sex,nation,score) values(\'";
while ($data = fgetcsv ($handle, 1000, ",")) {
   $num = count ($data);
   for ($c=0; $c < $num; $c++) {
       if($c==$num-1){$sql=$sql.$data[$c]."\')";break;}
       $sql=$sql.$data[$c]."\',\'";
   }
print "<br>";
echo $sql."<br>";
$db->query($sql);
echo "SQL语句执行成功！<br>";
$sql="insert into scores(idcard,names,num,sex,nation,score) values(\'";
}
fclose ($handle);
$time_end = getmicrotime();
$time = $time_end - $time_start;
echo "程序执行时间：".$time."秒";
?>