HJGL_DS/HJGL_DS/FineUIPro.Web/HJGL/DataIn/DrawingRecognitionContent.aspx.cs

using Aspose.Words.Rendering;
using BLL;
using Newtonsoft.Json.Linq;
using System;
using System.Data;
using System.IO;
using UglyToad.PdfPig;
using UglyToad.PdfPig.Content;
using UglyToad.PdfPig.Writer;

namespace FineUIPro.Web.HJGL.DataIn
{
    public partial class DrawingRecognitionContent : PageBase
    {
        public string URL
        {
            get
            {
                return (string)ViewState["URL"];
            }
            set
            {
                ViewState["URL"] = value;
            }
        }
        public string fileUrl
        {
            get
            {
                return (string)ViewState["fileUrl"];
            }
            set
            {
                ViewState["fileUrl"] = value;
            }
        }
        public DataTable dt
        {
            get
            {
                return (DataTable)ViewState["DataTable"];
            }
            set
            {
                ViewState["DataTable"] = value;
            }
        }

         

        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                if (!string.IsNullOrEmpty(Request.Params["fileUrl"]))
                {
                    URL = Funs.HJGLUrl + Request.Params["fileUrl"].Replace("\\", "/");
                    string rootPath = Server.MapPath("~/");
                    fileUrl = rootPath + Request.Params["fileUrl"];

                    // 加载PDF文档

                    if (!File.Exists(fileUrl))
                    {
                        return;
                    }
                    using (var pdf = PdfDocument.Open(fileUrl))
                    {

                        for (int i = 0; i < pdf.NumberOfPages; i++)
                        {
                            var page = pdf.GetPage(i + 1);
                            var rotation = page.Rotation;

                            var outputPath = $"{rootPath}/File/page_{i + 1}.pdf";

                            using (var writer = new PdfDocumentBuilder())
                            {
                                PdfPageBuilder newPage = null;
                                if (rotation.Value != 0 && rotation.Value != 180)
                                {
                                    newPage = writer.AddPage(page.Height, page.Width);
                                }
                                else
                                {
                                    newPage = writer.AddPage(page.Width, page.Height);
                                }

                                newPage.CopyFrom(page);
                                // 3. 关键：清除旋转标记 + 反向旋转内容（修正视觉方向）
                                // 清除 /Rotate 标记
                                newPage.SetRotation(new PageRotationDegrees(rotation.Value));
                                var newPdf = writer.Build();
                                File.WriteAllBytes(outputPath, newPdf);
                            }
                        }
                    }
                }
            }
        }

        protected void btnSave_Click(object sender, EventArgs e)
        {
            Grid1.Hidden = true;
            contentPanel1.Hidden =false ;

        }

        protected void btnAudit_Click(object sender, EventArgs e)
        {
            Grid1.Hidden = false;
            contentPanel1.Hidden = true;
            btnAudit.Hidden = true;
            btnSave.Hidden = false;
            JObject jobject = JObject.Parse(resultdata.Value);
            JArray jArray =  jobject.Value<JArray>("material_rows");
            dt = new DataTable();
            dt.Columns.Add("id");
            dt.Columns.Add("pipe_no");
            dt.Columns.Add("drawing_number");
            dt.Columns.Add("seq_no");
            dt.Columns.Add("category");
            dt.Columns.Add("description");
            dt.Columns.Add("spec");
            dt.Columns.Add("qty");
            dt.Columns.Add("page_no");
            dt.Columns.Add("remark");

            // 遍历并提取数据
            foreach (JObject item in jArray)
            {
               var row  =  dt.NewRow();
                row["id"] = item.Value<string>("id");
                row["pipe_no"] = item.Value<string>("pipe_no");
                row["drawing_number"] = item.Value<string>("drawing_number");
                row["seq_no"] = item.Value<string>("seq_no");
                row["category"] = item.Value<string>("category");
                row["description"] = item.Value<string>("description");
                row["spec"] = item.Value<string>("spec");
                row["qty"] = item.Value<string>("qty");
                row["page_no"] = item.Value<string>("page_no");
                row["remark"] = item.Value<string>("remark");
                dt.Rows.Add(row);
            }
            BindGrid();
        }


        private void BindGrid()
        {
            

            Grid1.DataSource = dt;
            Grid1.DataBind();


        }      
        #region 双击事件
        /// <summary>
        /// Grid行双击事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void Grid1_RowDoubleClick(object sender, GridRowClickEventArgs e)
        {
            if (Grid1.SelectedRowIndexArray.Length == 0)
            {
                Alert.ShowInTop("请选择一条记录！", MessageBoxIcon.Warning);
                return;
            }
            if (CommonService.GetAllButtonPowerList(this.CurrUser.LoginProjectId, this.CurrUser.UserId, Const.HJGL_DataInMenuId, Const.BtnAdd))
            {
                if (DrawingRecognitionContentEdit.dicDt.ContainsKey(CurrUser.UserId))
                {
                    DrawingRecognitionContentEdit.dicDt[CurrUser.UserId ]= dt;
                }
                else
                {
                    DrawingRecognitionContentEdit.dicDt.Add(CurrUser.UserId, dt);

                }
                PageContext.RegisterStartupScript(Window1.GetShowReference(String.Format("DrawingRecognitionContentEdit.aspx?Index={0}", Grid1.SelectedRowIndex, "维护 - ")));
            }
            else
            {
                ShowNotify("您没有这个权限，请与管理员联系！", MessageBoxIcon.Warning);
            }
        }
        #endregion

        protected void Window1_Close(object sender, WindowCloseEventArgs e)
        {
            Grid1.DataSource = dt;
            Grid1.DataBind();
        }
    }
}