<?php

header('content-type:text/html;charset=utf-8');

//1、通過$_FILES文件上傳變量來接受上傳文件信息

$fileInfo?=?$_FILES['myFile'];

$fileName?=?$fileInfo['name'];

$type?????=?$fileInfo['type'];

$tmp_name?=?$fileInfo['tmp_name'];

$size?????=?$fileInfo['size'];

$error????=?$fileInfo['error'];

//2、判斷下錯誤號，只有為0或者是UPLOAD_ERR_OK，說明沒有錯誤發生，上傳成功

if?($error?==?UPLOAD_ERR_OK)?{

????if?(move_uploaded_file($tmp_name,?'uploads/'?.?$fileName))?{

????????echo?'文件'?.?$fileName?.?'上傳成功';

????}?else?{

????????echo?'文件'?.?$fileName?.?'上傳失敗';

????}

}?else?{

????//匹配錯誤信息

????switch?($error)?{

????case?1:

????????echo?'上傳文件超過了PHP配置文件中upload_max_filesize選項的值';

????????break;

????case?2:

????????echo?'超過了表單MAX_FILE_SIZE限制的大小';

????????break;

????case?3:

????????echo?'文件部分被上傳';

????????break;

????case?4:

????????echo?'沒有選擇上傳文件';

????????break;

????case?6:

????????echo?'沒有找到臨時目錄';

????????break;

????case?7:

????case?8:

????????echo?'系統錯誤';

????????break;

????}

}

//將服務器上的臨時文件移動到指定目錄下

copy($tmp_name,?'uploads/'?.?$fileName);

//報的警告錯誤為：文件nan.jpg上傳成功
Warning: copy(C:\Users\yechao\AppData\Local\Temp\php3D5F.tmp): failed to open stream: No such file or directory in?N:\phpstudy_pro\WWW\cgwuli\upload\doAction.php?on line?44