求一段php上传任意文件的代码
PHP æ件ä¸ä¼ æ¯éè¿ PHPï¼å¯ä»¥ææ件ä¸ä¼ å°æå¡å¨ã
1é¦å å建ä¸ä¸ªæ件ä¸ä¼ 表å
å 许ç¨æ·ä»è¡¨åä¸ä¼ æ件æ¯é常æç¨çã
请çä¸é¢è¿ä¸ªä¾ä¸ä¼ æ件ç HTML 表åï¼
<html>
<body>
<form action="upload_file.php" method="post"
enctype="multipart/form-data">
<label for="file">Filename:</label>
<input type="file" name="file" id="file" />
<br />
<input type="submit" name="submit" value="Submit" />
</form>
</body>
</html>
请çæå¦ä¸æå ³æ¤è¡¨åçä¿¡æ¯ï¼
<form> æ ç¾ç enctype å±æ§è§å®äºå¨æ交表åæ¶è¦ä½¿ç¨åªç§å 容类åãå¨è¡¨åéè¦äºè¿å¶æ°æ®æ¶ï¼æ¯å¦æ件å 容ï¼è¯·ä½¿ç¨ "multipart/form-data"ã
<input> æ ç¾ç type="file" å±æ§è§å®äºåºè¯¥æè¾å ¥ä½ä¸ºæ件æ¥å¤çã举ä¾æ¥è¯´ï¼å½å¨æµè§å¨ä¸é¢è§æ¶ï¼ä¼çå°è¾å ¥æ¡æè¾¹æä¸ä¸ªæµè§æé®ã
注éï¼å 许ç¨æ·ä¸ä¼ æ件æ¯ä¸ä¸ªå·¨å¤§çå®å ¨é£é©ãè¯·ä» ä» å 许å¯ä¿¡çç¨æ·æ§è¡æ件ä¸ä¼ æä½ã
2ï¼å建ä¸ä¼ èæ¬
"upload_file.php" æ件å«æä¾ä¸ä¼ æ件ç代ç ï¼
<?php
if ($_FILES["file"]["error"] > 0)
{
echo "Error: " . $_FILES["file"]["error"] . "<br />";
}
else
{
echo "Upload: " . $_FILES["file"]["name"] . "<br />";
echo "Type: " . $_FILES["file"]["type"] . "<br />";
echo "Size: " . ($_FILES["file"]["size"] / 1024) . " Kb<br />";
echo "Stored in: " . $_FILES["file"]["tmp_name"];
}
?>
éè¿ä½¿ç¨ PHP çå ¨å±æ°ç» $_FILESï¼ä½ å¯ä»¥ä»å®¢æ·è®¡ç®æºåè¿ç¨æå¡å¨ä¸ä¼ æ件ã
第ä¸ä¸ªåæ°æ¯è¡¨åç input nameï¼ç¬¬äºä¸ªä¸æ å¯ä»¥æ¯ "name", "type", "size", "tmp_name" æ "error"ãå°±åè¿æ ·ï¼
$_FILES["file"]["name"] - 被ä¸ä¼ æ件çå称
$_FILES["file"]["type"] - 被ä¸ä¼ æ件çç±»å
$_FILES["file"]["size"] - 被ä¸ä¼ æ件ç大å°ï¼ä»¥åè计
$_FILES["file"]["tmp_name"] - åå¨å¨æå¡å¨çæ件ç临æ¶å¯æ¬çå称
$_FILES["file"]["error"] - ç±æ件ä¸ä¼ 导è´çé误代ç
è¿æ¯ä¸ç§é常ç®åæ件ä¸ä¼ æ¹å¼ãä¸éè¦èèæ件çä¸ä¼ æ ¼å¼ã
1é¦å å建ä¸ä¸ªæ件ä¸ä¼ 表å
å 许ç¨æ·ä»è¡¨åä¸ä¼ æ件æ¯é常æç¨çã
请çä¸é¢è¿ä¸ªä¾ä¸ä¼ æ件ç HTML 表åï¼
<html>
<body>
<form action="upload_file.php" method="post"
enctype="multipart/form-data">
<label for="file">Filename:</label>
<input type="file" name="file" id="file" />
<br />
<input type="submit" name="submit" value="Submit" />
</form>
</body>
</html>
请çæå¦ä¸æå ³æ¤è¡¨åçä¿¡æ¯ï¼
<form> æ ç¾ç enctype å±æ§è§å®äºå¨æ交表åæ¶è¦ä½¿ç¨åªç§å 容类åãå¨è¡¨åéè¦äºè¿å¶æ°æ®æ¶ï¼æ¯å¦æ件å 容ï¼è¯·ä½¿ç¨ "multipart/form-data"ã
<input> æ ç¾ç type="file" å±æ§è§å®äºåºè¯¥æè¾å ¥ä½ä¸ºæ件æ¥å¤çã举ä¾æ¥è¯´ï¼å½å¨æµè§å¨ä¸é¢è§æ¶ï¼ä¼çå°è¾å ¥æ¡æè¾¹æä¸ä¸ªæµè§æé®ã
注éï¼å 许ç¨æ·ä¸ä¼ æ件æ¯ä¸ä¸ªå·¨å¤§çå®å ¨é£é©ãè¯·ä» ä» å 许å¯ä¿¡çç¨æ·æ§è¡æ件ä¸ä¼ æä½ã
2ï¼å建ä¸ä¼ èæ¬
"upload_file.php" æ件å«æä¾ä¸ä¼ æ件ç代ç ï¼
<?php
if ($_FILES["file"]["error"] > 0)
{
echo "Error: " . $_FILES["file"]["error"] . "<br />";
}
else
{
echo "Upload: " . $_FILES["file"]["name"] . "<br />";
echo "Type: " . $_FILES["file"]["type"] . "<br />";
echo "Size: " . ($_FILES["file"]["size"] / 1024) . " Kb<br />";
echo "Stored in: " . $_FILES["file"]["tmp_name"];
}
?>
éè¿ä½¿ç¨ PHP çå ¨å±æ°ç» $_FILESï¼ä½ å¯ä»¥ä»å®¢æ·è®¡ç®æºåè¿ç¨æå¡å¨ä¸ä¼ æ件ã
第ä¸ä¸ªåæ°æ¯è¡¨åç input nameï¼ç¬¬äºä¸ªä¸æ å¯ä»¥æ¯ "name", "type", "size", "tmp_name" æ "error"ãå°±åè¿æ ·ï¼
$_FILES["file"]["name"] - 被ä¸ä¼ æ件çå称
$_FILES["file"]["type"] - 被ä¸ä¼ æ件çç±»å
$_FILES["file"]["size"] - 被ä¸ä¼ æ件ç大å°ï¼ä»¥åè计
$_FILES["file"]["tmp_name"] - åå¨å¨æå¡å¨çæ件ç临æ¶å¯æ¬çå称
$_FILES["file"]["error"] - ç±æ件ä¸ä¼ 导è´çé误代ç
è¿æ¯ä¸ç§é常ç®åæ件ä¸ä¼ æ¹å¼ãä¸éè¦èèæ件çä¸ä¼ æ ¼å¼ã
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