沒有關於如何通過文件系統上傳圖像文件並將其路徑保存在sql數據庫中的單獨教程。 它在一些網站上提到但沒有正確解釋。 Nyway 我上傳的圖像通過PHP,我想存儲上傳的圖像在sql數據庫的路徑。 我insert.php查詢不會更新Img文件的路徑
<?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>
1 2頁)此頁面的工作絕對沒問題,但問題是在未來的文件
2)chkupload.php
問題是上傳工作正常&它在圖像/文件夾中創建文件,但不保存它在sql表中的路徑。所以基本上我需要幫助。 也在其用戶認證下。它的個人資料圖片。
<?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 = $loginUsername")
or die(mysql_error());
?>
產生的誤差是
注意:未定義的變量:用C _SESSION:\ XAMPP \ htdocs中\ MB \上線3 文件chkupload.php上傳成功!再試一次! 連接到MySQL 連接到數據庫您的SQL語法有錯誤;檢查對應於您的MySQL服務器版本的手冊,以便在第1行'jpg WHERE email ='附近使用正確的語法。
請幫我解決這個問題。它的上傳,但沒有更新的表artist92
的列路徑這是我的登錄page.Adding它只是爲你的會話變量參考 artlog.php
<?php require_once('Connections/mb.php'); ?>
<?php
if (!function_exists("GetSQLValueString")) {
function GetSQLValueString($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);
}
}
?>
也許您需要在嘗試訪問會話之前調用'session_start()'。我只是想知道,「artist92」是一張桌子的名字嗎? – Ohas 2012-03-11 20:24:19
是它的一個表名 – Bhavyanshu 2012-03-12 14:41:03