我有一个for循环，里面有一个SQLite插入查询。它给了我一个错误＆＃34;数据库被锁定＆＃34;。我在此代码末尾的try块内循环，其中有一个for循环，我将一些数据插入到数据库中。我有一个错误，即行号。 904
这是我的代码：
$products = $_REQUEST['Products'];
$cname = $_REQUEST['cname'];
$total = $_REQUEST['totalAmt'];
$paid = $_REQUEST['paidAmt'];
$bill_id = $_REQUEST['billId'];
$customer_id = $_REQUEST['mobile'];
$curr_date_time = date("Y-m-d H:i:s");
$tid = "";
$total_payment = 0;
$snAbr = explode(" ",$cname);
foreach($snAbr as $val){
$tid .= substr($val,0,1);
}
$tid .= date("dmyis");
$prod_arr = explode("-", $products);
$mop = $_REQUEST['modeOfPayment'];
if(!empty($cname) AND !empty($total) AND !empty($customer_id)){
$validate_cust_sql = 'SELECT mobile FROM customers WHERE mobile = "$customer_id"';
$validate_cust_result = $conn->query($validate_cust_sql);
$sql_cbal = "SELECT balance FROM cash_transactions ORDER BY transaction_date DESC LIMIT 1";
$result_cbal = $conn->query($sql_cbal);
if(num_rows($result_cbal)>0){
while($row_cbal=$result_cbal->fetchArray(SQLITE3_ASSOC)){
$cbal = $row_cbal['balance'];
}
}
else{
$cbal = 0;
}
$sql_bbal = "SELECT bbalance FROM bank_transactions ORDER BY btransaction_date DESC LIMIT 1";
$result_bbal = $conn->query($sql_bbal);
if(num_rows($result_bbal)>0){
while($row_bbal=$result_bbal->fetchArray(SQLITE3_ASSOC)){
$bbal = $row_bbal['bbalance'];
}
}
else{
$bbal = 0;
}
switch($mop){
case "both":
$cash_n_card_amt = explode("," ,$paid);
$cash_amt = $cash_n_card_amt[0];
$card_amt = $cash_n_card_amt[1];
$total_payment = $cash_amt+$card_amt;
$cbal += $cash_amt;
$bbal += $card_amt;
$sql_bill_info = "INSERT INTO bill_info (bill_id, bill_date, customer_id, total, paid)
VALUES('$bill_id','$curr_date_time','$customer_id','$total','$total_payment')";
if(!empty($total_payment)){
$cash_transactions_sql = "INSERT INTO cash_transactions (transaction_id, customer_id, bill_id, remarks, type, amount, balance, transaction_date)
VALUES('$tid','$customer_id','$bill_id','sale','in','$cash_amt','$cbal','$curr_date_time')";
$bank_transactions_sql = "INSERT INTO bank_transactions (btransaction_id, bcustomer_id, bbill_id, bremarks, btype, bamount, bbalance, btransaction_date)
VALUES('$tid','$customer_id','$bill_id','sale','in','$card_amt','$bbal','$curr_date_time')";
}
break;
case "cash":
$cbal += $paid;
$sql_bill_info = "INSERT INTO bill_info (bill_id, bill_date, customer_id, total, paid)
VALUES('$bill_id','$curr_date_time','$customer_id','$total','$paid')";
if(!empty($paid)){
$transactions_sql = "INSERT INTO cash_transactions (transaction_id, customer_id, bill_id, remarks, type, amount, balance, transaction_date)
VALUES('$tid','$customer_id','$bill_id','sale','in','$paid','$cbal','$curr_date_time')";
}
break;
case "card":
$bbal += $paid;
$sql_bill_info = "INSERT INTO bill_info (bill_id, bill_date, customer_id, total, paid)
VALUES('$bill_id','$curr_date_time','$customer_id','$total','$paid')";
if(!empty($paid)){
$transactions_sql = "INSERT INTO bank_transactions (btransaction_id, bcustomer_id, bbill_id, bremarks, btype, bamount, bbalance, btransaction_date)
VALUES('$tid','$customer_id','$bill_id','sale','in','$paid','$bbal','$curr_date_time')";
}
break;
case "":
$cbal += $paid;
$sql_bill_info = "INSERT INTO bill_info (bill_id, bill_date, customer_id, total, paid)
VALUES('$bill_id','$curr_date_time','$customer_id','$total','$paid')";
if(!empty($paid)){
$transactions_sql = "INSERT INTO cash_transactions (transaction_id, customer_id, bill_id, remarks, type, amount, balance, transaction_date)
VALUES('$tid','$customer_id','$bill_id','sale','in','$paid','$cbal','$curr_date_time')";
}
break;
}
try{
$conn->query("BEGIN;");
//sales
for($i=0;$i<count($prod_arr);$i++){
$prod_obj = $prod_arr[$i];
$obj_to_arr = explode("/", $prod_obj);
for($j=0;$j<1;$j++){
$sql_sales = "INSERT INTO sales (sale_date, bill_id, customer_id, products, quantity, discount, amount, status)
VALUES('$curr_date_time','$bill_id','$customer_id','$obj_to_arr[0]','$obj_to_arr[1]', '$obj_to_arr[2]', '$obj_to_arr[3]', 'sale');";
if($conn->query($sql_sales) == false){ //Line 904. Error Here
throw new Exception($conn->lastErrorMsg());
}
}
}
//customers
if(num_rows($validate_cust_result) == 0){
$sql_customer = "INSERT INTO customers (name, mobile) VALUES('$cname','$customer_id')";
if($conn->query($sql_customer) == false) throw new Exception($conn->lastErrorMsg());
}
//if mop == both
if(!empty($total_payment)){
if($conn->query($cash_transactions_sql) == FALSE || $conn->query($bank_transactions_sql) == FALSE) throw new Exception($conn->lastErrorMsg());
}
if(!empty($paid)){
if($conn->query($transactions_sql) == false) throw new Exception($conn->lastErrorMsg());
}
if($conn->query($sql_bill_info)){ ?>
<div class='alert alert-success'>Record Successfully Entered</div> <?php
}
else{
throw new Exception($conn->lastErrorMsg());
}
$conn->query("COMMIT;");
}
catch(Exception $e){
$conn->query('ROLLBACK;');
echo "<div class='alert alert-danger'>ERROR! ".$e->getMessage()."</div>";
}
}
else echo "<div class='alert alert-danger'> All fields are mandatory </div>";
上面的代码抛出异常
警告：SQLite3 :: query（）：无法执行语句：数据库是 锁定在F：\ INSTALLED \ XAMPP \ htdocs \ SA \ ajax-req-handler.php上线 904
每次我运行上面的代码
答案 0 :(得分：0)
您可以参考以下链接
// Source: https://www.sqlite.org/wal.html
$db->exec('PRAGMA journal_mode = wal;');