<?php
header('Content-Type:text/html;charset=UTF-8');
// save img
$img = $_POST['base64'];
if (isset($img)) {
    sleep(5);//休息几秒
    # dataURI base_64 编码上传 手机端常用方式
    $rootPath = './face/' . date('Ymd');
    $target = $rootPath . "/" . date('Ymd') . "_" . substr(md5(rand(1,10000)),0,6) . ".png" ;
    if (preg_match('/data:([^;]*);base64,(.*)/', $img, $matches)) {
        $img = base64_decode($matches[2]);
        if (!file_exists($rootPath)) {
            mkdir($rootPath,0777,true);
        }
        if (file_put_contents($target, $img)){
            $str = "<h6>文件来自api返回:<h6>";
            $str .= "<img src='{$target}'>";
            exit(json_encode(array('status'=>1,'msg'=>$str)));
        }
    } else {
        exit(json_encode(array('status'=>0,'msg'=>'文件上传失败')));
    }
} else {
    # 普通上传 这种方式一般不会用（原始上传方式）
    $uploadFile = $_FILES['upfile'];
    $target = 'tmp1.jpg';
    if (isset($uploadFile) && is_uploaded_file($uploadFile['tmp_name']) && $uploadFile['error'] == 0) {
        echo 'filename: ' . $uploadFile['name'] . ', ';
        echo 'type: ' . $uploadFile['type'] . ', ';
        echo 'size: ' . ($uploadFile['size'] / 1024) . ' Kb';
        move_uploaded_file($uploadFile['tmp_name'], $target);
    } else {
        echo 'error: ' . $uploadFile['error'];
    }
}
?>