爱站程序员基地ASP.net上传图片 Web Forms ·NET Framework中的上传图片 欢迎 评论&点赞
代码示例*
protected void Button1_Click(object sender, EventArgs e){if (FileUpload1.HasFile){//获取上传的文件名称string fileName = FileUpload1.FileName;//获取上传文件的后缀名string filefix = fileName.Substring(fileName.LastIndexOf(\'.\') + 1).ToLower();//开始判断if (filefix == \"png\" || filefix == \"jpg\" || filefix == \"jpeg\" || filefix == \"pic\"){try{//把图片的名称保存到文本框，方便保存到数据库TextB_hideImg.Text = fileName;//上传FileUpload1.SaveAs(Server.MapPath(\"~/CommodityImgs/\") + fileName);//在img上展示this.Image1.ImageUrl = \"~/CommodityImgs/\" + fileName;//提示图片上传成功this.Label1.Text = \"图片上传成功\";}catch (Exception){Response.Write(\"<script>alert(\'给文件更改个名字试试\')</script>\");}}else{//文件类型不正确Response.Write(\"<script>alert(\'文件类型不正确\')</script>\");}}}
