<?php

header('Content-Type: application/json');

$name = "image";

    if ($_FILES[$name]["error"] > 0)
    {
        echo  json_encode([
            "code"=>-1,
            "errMsg"=>"Return Code: " . $_FILES["file"]["error"]
        ]);
    }
    else
    {
        $ext = substr($_FILES[$name]["name"], strrpos($_FILES[$name]["name"], '.') + 1);

        if(!in_array($ext,['jpg','png','gif','bmp','zip','rar'])){
            echo  json_encode([
                "code"=>-1,
                "errMsg"=>"只支持上传jpg,gif,bmp,png,zip,rar文件"
            ]);
            exit;
        }

        $fileName = "upload/" . rand(1000,1000000).".".$ext;
        if (file_exists($fileName))
        {
            echo $_FILES[$name]["name"] . " already exists. ";
        }
        else
        {
            move_uploaded_file($_FILES[$name]["tmp_name"],
                $fileName);

            echo  json_encode([
                "code"=>0,
                "src"=>$fileName,
                "alt"=>$_FILES[$name]["name"],
                "isImage"=>in_array(strtolower($ext),["jpg","gif","jpeg","bmp","png"]),
                "errMsg"=>""
            ]);
        }
    }


?>