82 lines
2.5 KiB
C#
82 lines
2.5 KiB
C#
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using BLL;
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using System;
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using System.IO;
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using System.Text;
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using System.Web.UI;
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using ThoughtWorks.QRCode.Codec;
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namespace FineUIPro.Web.Controls
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{
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public partial class ShowQRImage : Page
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{
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#region 自定义
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/// <summary>
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/// 二维码路径id
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/// </summary>
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public string FileUrl
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{
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get
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{
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return (string)ViewState["FileUrl"];
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}
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set
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{
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ViewState["FileUrl"] = value;
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}
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}
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#endregion
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protected void Page_Load(object sender, EventArgs e)
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{
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if (!IsPostBack)
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{
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this.txtName.InnerText = System.Web.HttpUtility.UrlDecode(Request.Params["title"]);
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this.FileUrl = "FileUpload\\ShowQRImage\\";
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string urlName = Request.Params["urlName"];
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string filePath = this.FileUrl + urlName + ".jpg";
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if (!File.Exists(Funs.RootPath + filePath))
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{
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this.CreateCode_Simple(Request.Params["strValue"], urlName);
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}
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this.divBeImageUrl.InnerHtml = UploadAttachmentService.ShowImage("../", filePath, 280, 280);
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}
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}
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/// <summary>
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/// 生成二维码方法
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/// </summary>
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/// <param name="nr"></param>
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/// <param name="urlName"></param>
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private void CreateCode_Simple(string nr, string urlName)
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{
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string imageUrl = string.Empty;
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QRCodeEncoder qrCodeEncoder = new QRCodeEncoder
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{
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QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.BYTE,
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QRCodeScale = nr.Length,
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QRCodeVersion = 0,
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QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.M
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};
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System.Drawing.Image image = qrCodeEncoder.Encode(nr, Encoding.UTF8);
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string filepath = Funs.RootPath + this.FileUrl;
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////如果文件夹不存在，则创建
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if (!Directory.Exists(filepath))
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{
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Directory.CreateDirectory(filepath);
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}
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string filename = urlName + ".jpg";
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imageUrl = filepath + filename;
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FileStream fs = new FileStream(imageUrl, FileMode.OpenOrCreate, FileAccess.Write);
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image.Save(fs, System.Drawing.Imaging.ImageFormat.Jpeg);
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fs.Close();
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image.Dispose();
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}
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}
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}
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