Tag: html5 canvas

使用ASP.NET将HTML 5 Canvas保存为服务器上的Image

我需要一些帮助.. 我试图在绘图后保存canvas图像.. 按照这个例子（ http://www.dotnetfunda.com/articles/article1662-saving-html-5-canvas-as-image-on-the-server-using-aspnet.aspx ） $(“#btnSave”).click(function () { var image = document.getElementById(“canvas”).toDataURL(“image/png”); image = image.replace(‘data:image/png;base64,’, ”); $.ajax({ type: ‘POST’, url: “../../Home/UploadImage?imageData=” + image, contentType: ‘application/json; charset=utf-8’, dataType: ‘json’, success: function (msg) { alert(‘Image saved successfully !’); } }); }); 控制器： public void UploadImage(string imageData) { string fileNameWitPath = path + DateTime.Now.ToString().Replace(“/”, “-“).Replace(” “, “- “).Replace(“:”, […]