Question

我希望能够将图像上传到服务器，但不是将图像保存为数据库中的字节而是要保存路径，以便在视图页面中我通过它的路径调用图像。上传它应该上传到某个文件夹，如果找不到文件夹创建one.all这应该是使用MVC5任何帮助真的很感激

Answer 1

不确定您要使用哪种语言，但这是将照片保存到数据库后所需的实现方法。（基本上就是你的说法）

照片已压缩
照片发送到服务器
服务器的api处理文件存储到文件夹
保存文件夹路径+＆＃39;文件名＆＃39;进入数据库

这是一个PHP方法upload（），它是处理步骤3和4的服务器API的一部分

//upload API
function upload($id, $photoData, $title) {

    // index.php passes as first parameter to this function $_SESSION['IdUser']
    // $_SESSION['IdUser'] should contain the user id, if the user has already been authorized
    // remember? you store the user id there in the login function
    if (!$id) errorJson('Authorization required');

    // check if there was no error during the file upload
    if ($photoData['error']==0) {

        // insert the details about the photo to the "photos" table
        $result = query("INSERT INTO photos(IdUser,title) VALUES('%d','%s')", $id, $title);
        if (!$result['error']) {

            // fetch the active connection to the database (it's initialized automatically in lib.php)
            global $link;

            // get the last automatically generated ID in the photos table
            $IdPhoto = mysqli_insert_id($link);

            // move the temporarily stored file to a convenient location
            // your photo is automatically saved by PHP in a temp folder
            // you need to move it over yourself to your own "upload" folder
            if (move_uploaded_file($photoData['tmp_name'], "upload/".$IdPhoto.".jpg")) {

                // file moved, all good, generate thumbnail
                thumb("upload/".$IdPhoto.".jpg", 180);

                //just print out confirmation to the iPhone app
                print json_encode(array('successful'=>1));
            } else {
                //print out an error message to the iPhone app
                errorJson('Upload on server problem');
            };

        } else {
            errorJson('Upload database problem.'.$result['error']);
        }
    } else {
        errorJson('Upload malfunction');
    }
}

如何将图像上传到服务器并保存其路径

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