PHP source code to implement file upload, _PHP tutorial

Source code for php to implement file upload.

Source code for php to implement file upload. For more PHP technology development, please go to the PHP tutorial website, http://php.662p.com

<?php
        ##author :Androidyue
        ##sina @androidyue
        ##Blog http://blog.csdn.net/BossDarcy
        ##源码具体讲解  http://blog.csdn.net/BossDarcy/archive/2010/12/20/6086082.aspx
        //判断临时文件存放路径是否包含用户上传的文件
        if(is_uploaded_file($_FILES["uploadfile"]["tmp_name"])){
        //为了更高效，将信息存放在变量中
        $upfile=$_FILES["uploadfile"];//用一个数组类型的字符串存放上传文件的信息
        //print_r($upfile);//如果打印则输出类似这样的信息Array ( [name] => m.jpg [type] => image/jpeg [tmp_name] => C:\WINDOWS\Temp\php1A.tmp [error] => 0 [size] => 44905 )
        $name=$upfile["name"];//便于以后转移文件时命名
        $type=$upfile["type"];//上传文件的类型
        $size=$upfile["size"];//上传文件的大小
        $tmp_name=$upfile["tmp_name"];//用户上传文件的临时名称
        $error=$upfile["error"];//上传过程中的错误信息
        //echo $name;
        //对文件类型进行判断，判断是否要转移文件,如果符合要求则设置$ok=1即可以转移
        switch($type){
            case "image/jpg": $ok=1;
            break;
            case "image/jpeg": $ok=1;
            break;
            case "image/gif" : $ok=1;
            break;
            default:$ok=0;
            break;
        }
        //如果文件符合要求并且上传过程中没有错误
        if($ok&&$error=='0'){
            //调用move_uploaded_file（）函数，进行文件转移
            move_uploaded_file($tmp_name,'up/'.$name);
            //操作成功后，提示成功
            echo "<script language=\"javascript\">alert('succeed')</script>";
        }else{
            //如果文件不符合类型或者上传过程中有错误，提示失败
            echo "<script language=\"javascript\">alert('failed')</script>";
        }
    }
?>
<!--设置提交文件的表单-->
<form enctype="multipart/form-data" method="post" name="uploadform">
<input type="file" name="uploadfile" value="Upload File">
<input type="submit" name="submit" value="Upload">
</form>

Detailed description: http://php.662p.com/thread-570-1-1.html

http://www.bkjia.com/PHPjc/912476.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/912476.htmlTechArticleThe source code for php to implement file upload. The source code for php to implement file upload. For more php technology development, go to the php tutorial website , http://php.662p.com ?php ##author :Androidyue ##sina @androidyue ##Blog...