我正在尝试使用 PHPExcel 将数据从 excel 上传到 MySQL 数据库。我的代码在 localhost 中运行良好，但是在服务器中它正在将数据从 excel 更新到数据库，但控件没有退出循环（没有终止进程）。相同的代码适用于 3000 行但不适用于 40000 行的 excel 文件。请帮我
foreach($sheetData as $str)
{
if($z == $chunk_s)
{
break;
}
$z++;
if($i == 1)
{
$i++;
$val1 = $str['A'];
$val2 = $str['B'];
$val3 = $str['C'];
$val4 = $str['D'];
$val5 = $str['E'];
$val6 = $str['F'];
$val7 = $str['G'];
$val8 = $str['H'];
$val9 = $str['I'];
$val10 = $str['J'];
//$val11 = $str['K'];
$val12 = $str['K'];
$val13 = $str['L'];
$val14 = $str['M'];
$val15 = $str['N'];
$val16 = $str['O'];
$val17 = $str['P'];
$val18 = $str['Q'];
$val19 = $str['R'];
$val20 = $str['S'];
$val21 = $str['T'];
if($val1 == "Order Date" && $val2 == "No" && $val3 == "Customer No." && $val4 == "Bill-to Name" && $val5 == "Bill-to Contact" && $val6 == "Phone No." && $val7 == "Bill-to City" && $val8 == "E-Mail" && $val9 == "Item No." && $val10 == "Description" && $val12 == "Maximum Agreed Repair Amount" && $val13 == "Status" && $val14 == "Your Reference" && $val15 == "Fault Code" && $val16 == "Resolution Code" && $val17 == "CHAWAGO Code" && $val18 == "Expected Finishing Date" && $val19 == "Amount Including VAT" && $val20 == "Posted Invoice No." && $val21 == "AirWay Bill No.")
{
}
else
{
echo "Invalid Excel File.";
break;
}
}
else
{
$i++;
$val1 = $str['A'];
$val2 = $str['B'];
$val3 = $str['C'];
$val4 = $str['D'];
$val5 = $str['E'];
$val6 = $str['F'];
$val7 = $str['G'];
$val8 = $str['H'];
$val9 = $str['I'];
$val10 = $str['J'];
$val11 = "";
$val12 = $str['K'];
$val13 = $str['L'];
$val14 = $str['M'];
$val15 = $str['N'];
$val16 = $str['O'];
$val17 = $str['P'];
$val18 = $str['Q'];
$val19 = $str['R'];
$val20 = $str['S'];
$val21 = $str['T'];
if($val1 == "END OF THE RECORD")
{
echo "End of the record is reached!<br /><br />";
echo "<br />Number of New Records Added : " . $j . "<br />";
echo "<br />Number of Updated Records : " . $l . "<br />";
echo "<br /><a href=''>Click here to go home.</a></pre>";
exit;
//break;
}
if($val1 == "" && $val2 == "" && $val3 == "" && $val4 == "" && $val5 == "" && $val6 == "" && $val7 == "" && $val8 == "" && $val9 == "" && $val10 == "" && $val12 == "" && $val13 == "" && $val14 == "" && $val15 == "" && $val16 == "" && $val17 == "" && $val18 == "" && $val19 == "" && $val20 == "" && $val21 == "")
{
echo "Blank row occurred. Please remove all the blank rows and start uploding the file.<br /><br />";
echo "<br />Number of New Records Added : " . $j . "<br />";
echo "<br />Number of Updated Records : " . $l . "<br />";
echo "<br /><a href=''>Click here to go home.</a></pre>";
exit;
}
else
{
$res1 = mysql_query("select * from servicedetails where Number = '$val2' and Customer_No = '$val3'");
$num = mysql_num_rows($res1);
if($num == 0)
{
$res = mysql_query("INSERT INTO servicedetails (Order_Date, Number, Customer_No, Bill_to_Name, Bill_to_Contact, Phone_No, Bill_to_City, EMail, Item_No, Description, Repair_Status_Code, Maximum_Agreed_Repair_Amount, Status, Your_Reference, Fault_Code, Resolution_Code, CHAWAGO_Code, Expected_Finishing_Date, Amount_Including_VAT, Posted_Invoice_No, AirWay_Bill_No) VALUES ('$val1', '$val2', '$val3', '$val4', '$val5', '$val6', '$val7', '$val8', '$val9', '$val10', '$val11', '$val12', '$val13', '$val14', '$val15', '$val16', '$val17', '$val18', '$val19', '$val20', '$val21')");
$j++;
if($j > $chunk_s)
{
echo "<br />Number of New Records Added : " . $j . "<br />";
echo "<br />Number of Updated Records : " . $l . "<br />";
echo "<br /><a href=''>Click here to go home.</a></pre>";
exit;
}
}
else
{
$res = mysql_query("update servicedetails set Status = '$val13' where Number = '$val2' and Customer_No = '$val3'");
$l++;
if($l > $chunk_s)
{
echo "<br />Number of New Records Added : " . $j . "<br />";
echo "<br />Number of Updated Records : " . $l . "<br />";
echo "<br /><a href=''>Click here to go home.</a></pre>";
exit;
}
}
}
}
}