我是nodejs的新手。Mongoose.updateOne未将值保存到数据库中。当我运行它时,它打印在控制台中上传的图像,但它不反映在mongodb中。我想在数据库中更新我的照片 var a = new photo(); a.img.contentType = req.files.image.mimetype_
protected void Button2_Click(object sender, EventArgs e) OleDbConnection con = new OleDbConnection(); OleDbCommand com = new OleDbCommand();
com.CommandTex