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イメージファイルをファイルsysteでアップロードし、そのパスをsqlデータベースに保存する方法については、シングルチュートリアルはありません。 それはいくつかのサイトで言及されていますが、適切に説明されていません。 Nyway phpで画像をアップロードしています。アップロードした画像のパスをsqlデータベースに保存します。 私は、このページには絶対にうまく動作しますが、問題は、次のファイルに問題SqlクエリでImgファイルのパスが更新されない
2）chkupload.php
ある
<?php
session_start();
if (!isset($_SESSION["MM_Username"]))
{
$_SESSION["message"] = "Please Login";
}
?>
<!--next comes the form, you must set the enctype to "multipart/frm-data"
and use an input type "file" -->
<form name="newad" method="post" enctype="multipart/form-data"
action="chkupload.php">
<table>
<tr><td><input type="file" name="image"></td></tr>
<tr><td><input name="Submit" type="submit" value="Upload image">
</td></tr>
</table>
</form>
insert.php 2ページ
1.
）を持っていますアップロードがうまく動作することです& images/folderにファイルを作成しますが、そのパスをsqlテーブルに保存しません。だから基本的に私はこれで助けが必要です。 また、その下のユーザー認証。そのプロフィール画像。<?php require_once('Connections/mb.php');
$loginUsername = $_SESSION['MM_Username'];
//define a maxim size for the uploaded images in Kb
define ("MAX_SIZE","100");
//This function reads the extension of the file. It is used to determine if the
// file is an image by checking the extension.
function getExtension($str) {
$i = strrpos($str,".");
if (!$i) { return ""; }
$l = strlen($str) - $i;
$ext = substr($str,$i+1,$l);
return $ext;
}
//This variable is used as a flag. The value is initialized with 0 (meaning no
// error found)
//and it will be changed to 1 if an errro occures.
//If the error occures the file will not be uploaded.
$errors=0;
//checks if the form has been submitted
if(isset($_POST['Submit']))
{
//reads the name of the file the user submitted for uploading
$image=$_FILES['image']['name'];
//if it is not empty
if ($image)
{
//get the original name of the file from the clients machine
$filename = stripslashes($_FILES['image']['name']);
//get the extension of the file in a lower case format
$extension = getExtension($filename);
$extension = strtolower($extension);
//if it is not a known extension, we will suppose it is an error and
// will not upload the file,
//otherwise we will do more tests
if (($extension != "jpg") && ($extension != "jpeg") && ($extension !=
"png") && ($extension != "gif"))
{
//print error message
echo '<h1>Unknown extension!</h1>';
$errors=1;
}
else
{
//get the size of the image in bytes
//$_FILES['image']['tmp_name'] is the temporary filename of the file
//in which the uploaded file was stored on the server
$size=filesize($_FILES['image']['tmp_name']);
//compare the size with the maxim size we defined and print error if bigger
if ($size > MAX_SIZE*1024)
{
echo '<h1>You have exceeded the size limit!</h1>';
$errors=1;
}
//we will give an unique name, for example the time in unix time format
$image_name=time().'.'.$extension;
//the new name will be containing the full path where will be stored (images
//folder)
$newname="images/".$image_name;
//we verify if the image has been uploaded, and print error instead
$copied = copy($_FILES['image']['tmp_name'], $newname);
if (!$copied)
{
echo '<h1>Copy unsuccessfull!</h1>';
$errors=1;
}}}}
//If no errors registred, print the success message
if(isset($_POST['Submit']) && !$errors)
{
echo "<h1>File Uploaded Successfully! Try again!</h1>";
}
mysql_connect("localhost", "root", "") or die(mysql_error());
echo "Connected to MySQL<br />";
mysql_select_db("musibridge") or die(mysql_error());
echo "Connected to Database";
$result = mysql_query("UPDATE artist92 SET path= $newname WHERE email = $loginUsername")
or die(mysql_error());
?>
エラーが発生したが
お知らせです：未定義の変数：Cで_SESSION：ライン3 ファイルの\ xamppの\ htdocsに\ MB \ chkupload.phpが正常にアップロード！再試行する！ MySQLに接続 データベースに接続しました.SQL構文にエラーがあります。あなたのMySQLサーバのバージョンに対応するマニュアルをチェックして正しい構文を確認し、 'jpg WHERE email =' at line 1の近くで使用してください。
これを解決してください。そのアップロードしかしこれは、オマールは、すでに述べたように、単にセッション変数 artlog.php
<?php require_once('Connections/mb.php'); ?>
<?php
if (!function_exists("GetSQLValueString")) {
function GetSQLValueString($theValue, $theType, $theDefinedValue = "", $theNotDefinedValue = "")
{
if (PHP_VERSION < 6) {
$theValue = get_magic_quotes_gpc() ? stripslashes($theValue) : $theValue;
}
$theValue = function_exists("mysql_real_escape_string") ? mysql_real_escape_string($theValue) : mysql_escape_string($theValue);
switch ($theType) {
case "text":
$theValue = ($theValue != "") ? "'" . $theValue . "'" : "NULL";
break;
case "long":
case "int":
$theValue = ($theValue != "") ? intval($theValue) : "NULL";
break;
case "double":
$theValue = ($theValue != "") ? doubleval($theValue) : "NULL";
break;
case "date":
$theValue = ($theValue != "") ? "'" . $theValue . "'" : "NULL";
break;
case "defined":
$theValue = ($theValue != "") ? $theDefinedValue : $theNotDefinedValue;
break;
}
return $theValue;
}
}
$colname_Recordsetartist = "-1";
if (isset($_SESSION['MM_Username'])) {
$colname_Recordsetartist = $_SESSION['MM_Username'];
}
mysql_select_db($database_mb, $mb);
$query_Recordsetartist = sprintf("SELECT * FROM artist92 WHERE email = %s", GetSQLValueString($colname_Recordsetartist, "text"));
$Recordsetartist = mysql_query($query_Recordsetartist, $mb) or die(mysql_error());
$row_Recordsetartist = mysql_fetch_assoc($Recordsetartist);
$totalRows_Recordsetartist = mysql_num_rows($Recordsetartist);
$query_Recordsetartist = "SELECT * FROM artist92";
$Recordsetartist = mysql_query($query_Recordsetartist, $mb) or die(mysql_error());
$row_Recordsetartist = mysql_fetch_assoc($Recordsetartist);
$totalRows_Recordsetartist = mysql_num_rows($Recordsetartist);
$colname_Recordsetartist = "-1";
if (isset($_SESSION['MM_email'])) {
$colname_Recordsetartist = $_SESSION['MM_email'];
}
mysql_select_db($database_mb, $mb);
$query_Recordsetartist = sprintf("SELECT * FROM artist92 WHERE email = %s", GetSQLValueString($colname_Recordsetartist, "text"));
$Recordsetartist = mysql_query($query_Recordsetartist, $mb) or die(mysql_error());
$row_Recordsetartist = mysql_fetch_assoc($Recordsetartist);
$colname_Recordsetartist = "-1";
if (isset($_SESSION['MM_email'])) {
$colname_Recordsetartist = $_SESSION['MM_email'];
}
mysql_select_db($database_mb, $mb);
$query_Recordsetartist = sprintf("SELECT * FROM artist92 WHERE email = %s", GetSQLValueString($colname_Recordsetartist, "text"));
$Recordsetartist = mysql_query($query_Recordsetartist, $mb) or die(mysql_error());
$row_Recordsetartist = mysql_fetch_assoc($Recordsetartist);
?>
<?php
// *** Validate request to login to this site.
if (!isset($_SESSION)) {
session_start();
}
$loginFormAction = $_SERVER['PHP_SELF'];
if (isset($_GET['accesscheck'])) {
$_SESSION['PrevUrl'] = $_GET['accesscheck'];
}
if (isset($_POST['email'])) {
$loginUsername=$_POST['email'];
$password=$_POST['password'];
$MM_fldUserAuthorization = "";
$MM_redirectLoginSuccess = "artistprofile.php";
$MM_redirectLoginFailed = "artlog.php";
$MM_redirecttoReferrer = false;
mysql_select_db($database_mb, $mb);
$LoginRS__query=sprintf("SELECT email, password FROM artist92 WHERE email=%s AND password=%s",
GetSQLValueString($loginUsername, "text"), GetSQLValueString($password, "text"));
$LoginRS = mysql_query($LoginRS__query, $mb) or die(mysql_error());
$loginFoundUser = mysql_num_rows($LoginRS);
if ($loginFoundUser) {
$loginStrGroup = "";
if (PHP_VERSION >= 5.1) {session_regenerate_id(true);} else {session_regenerate_id();}
//declare two session variables and assign them
$_SESSION['MM_Username'] = $loginUsername;
$_SESSION['MM_UserGroup'] = $loginStrGroup;
if (isset($_SESSION['PrevUrl']) && false) {
$MM_redirectLoginSuccess = $_SESSION['PrevUrl'];
}
header("Location: " . $MM_redirectLoginSuccess);
}
else {
header("Location: ". $MM_redirectLoginFailed);
}
}
?>
セッションにアクセスする前に 'session_start（）'を呼び出す必要があるかもしれません。そして、私はちょうど "artist92"はテーブルの名前ですか？ – Ohas
はいそのテーブル名 – Bhavyanshu