static void ImageMSDemo(string picPath) { byte[] imageArray = System.IO.File.ReadAllBytes(picPath); string base64ImageRepresentation = Convert.ToBase64String(imageArray); var img = Image.FromStream(new MemoryStream(Convert.FromBase64String(base64Imag…

/// <summary> /// 图像转成二进制数组 /// </summary> /// <param name="imageIn"></param> /// <returns></returns> public byte[] imageToByteArray(System.Drawing.Image imageIn) { MemoryStream ms = new MemoryStream(); imageI…

ylbtech-Unitity-cs:convert image to base64 convert image to base64 1.A,效果图返回顶部   1.B,源代码返回顶部 1.B.1,convert image to base64 #region convert image to base64 public string ImageToBase64(Image image, System.Drawing.Imaging.ImageFormat format) { using (Me…

C#: using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Drawing; using System.IO; namespace test_CS_1 { class Program { static void Main(string[] args) { string fileDir = "E…

项目特殊需要,调用ActiveX三维控件进行控件某一特殊部位的截图操作,这个截图保存由ActiveX控件控制保存到本地是没问题的,现在需要将这个截图上传到服务器,多人共享,就牵扯到需要读取本地文件……后沟通后,ActiveX控件方提供一个接口,返回相关截图文件的Base64编码字符串,由Web应用程序转换为对应格式,存储在服务器即可. 遇到问题: Base-64 字符数组或字符串的长度无效 直接调用Convert.FromBase64String方法时,报“Base-64 字符数组或字符串的长度…

使用WinForm实现了图片base64编码解码的 效果图: 示例base 64编码字符串: /9j/4AAQSkZJRgABAQEAYABgAAD/2wBDAAgGBgcGBQgHBwcJCQgKDBQNDAsLDBkSEw8UHRofHh0aHBwgJC4nICIsIxwcKDcpLDAxNDQ0Hyc5PTgyPC4zNDL/2wBDAQkJCQwLDBgNDRgyIRwhMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjI…

//保存目录 string dir = "/upload/user/head"; //站点文件目录 string fileDir = HttpContext.Current.Server.MapPath("~" + dir); //文件名称 string fileName = "headdemo" + DateTime.Now.ToString("yyyyMMddHHmmssff"); //保存文件所在站点位置 string…

从本地加载图片 <dxe:ImageEdit Name="iePortrait" Height="120" Width="100" Stretch="Uniform" ToolTip="{DynamicResource ResourceKey=ResPortrait}" Cursor="Hand" ShowMenu="False"></dxe:Ima…

C#加密算法总结 MD5加密 /// <summary> /// MD5加密 /// </summary> /// <param name="strPwd">原字符串</param> /// <returns>加密后字符串</returns> public static string GetMD5(string strPwd) { //MD5 对象创建的两种方式 //MD5 md5 = MD5.Create();…

protected void Page_Load(object sender, EventArgs e) { Image img = new Bitmap(Server.MapPath("/Libs/imgs/btn.png")); Response.Write("<img src='data:image/jpeg;base64," + ImageToBase(img, System.Drawing.Imaging.ImageFormat.Jpeg) + &q…