OTS/OTSInclusionsTraceability/DataOperation.cs

using System;
using System.Collections.Generic;
using System.Data;
using System.Drawing;
using System.Drawing.Imaging;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Xml;
using OTSCommon;

namespace OTSInclusionsTraceability
{
    class DataOperation
    {
        #region 数据库相关
        private SqLiteHelper dbHelper = null;

        public DataOperation(string path)
        {
            string[] vs = path.Split('\\');
            if (path.Split('\\').Contains("Inclusion.db"))
            {
                dbHelper = new SqLiteHelper("data source='" + path+"'");
            }
            else
            {
                dbHelper = new SqLiteHelper("data source='" + path + "\\FIELD_FILES\\Inclusion.db'");
            }
        }

        public DataTable GetParticlesByEquCircleDiameter(string condition1,string condition2)
        {
            string sqliteString = "select fieldid,particleid,AveGray,RectLeft,RectTop,RectWidth,RectHeight,Area,PosX,PosY,TypeId,SegmentNum,SEMPosX,SEMPosY,XrayId,DMAX,DMIN,DPERP,PERIMETER,ORIENTATION,DINSCR,DMEAN,DELONG,DFERET,TypeName,TypeColor,'' as Element from INcAData" +
                " where xrayid > -1 " + /*"and "+ */condition1 /*+" and "*/+condition2 ;
            DataTable DT = new DataTable();
            DT = dbHelper.ExecuteQuery(sqliteString);
            return DT;
        }

        public DataTable GetElementChemistry()
        {
            string sqliteString = "select * from ElementChemistry";
            DataTable DT = new DataTable();
            DT = dbHelper.ExecuteQuery(sqliteString);
            return DT;
        }

        

        public Particle GetParticleXrayDataByFidAndPid(string fieldid, string xrayid)
        {
            string sqlp = @"select xraydata from xraydata where xrayindex=" + xrayid + " and fieldid=" + fieldid;
            DataTable DT = new DataTable();
            DT = dbHelper.ExecuteQuery(sqlp);
            List<Particle> listp = TableToList<Particle>(DT);
            if (listp.Count > 0)
            {
                return listp[0];
            }
            else
            {
                return null;
            }
        }

        /// <summary>        
        /// /// tbale转list        
        /// /// </summary>        
        /// /// <typeparam name="T"></typeparam>        
        /// /// <returns></returns>        
        public List<T> TableToList<T>(DataTable table) where T : class, new()
        {
            var result = new List<T>();
            var propertys = typeof(T).GetProperties();
            foreach (DataRow dr in table.Rows)
            {
                var item = new T();
                result.Add(item);
                foreach (var pi in propertys)
                {
                    if (!table.Columns.Contains(pi.Name))
                        continue;
                    var value = dr[pi.Name];
                    if (value is DBNull || value == null)
                        continue;
                    if (value.GetType().ToString() == "System.Int64")
                    {
                        pi.SetValue(item, Convert.ToInt32(value));
                    }
                    else if (value.GetType().ToString() == "System.Decimal")
                    {
                        pi.SetValue(item, Convert.ToDouble(value));
                    }
                    else
                    {
                        pi.SetValue(item, value);
                    }
                }
            }
            return result;
        }
        #endregion

        #region Xml 相关
        string XmlAddress = "\\Config\\SysData\\OTSInclusionsTraceabilityParam.rpf";
        string ELEXmlAddress = "\\Config\\SysData\\OTSReportMgrParam.rpf";
        XmlDocument doc = new XmlDocument();
        public bool WriteXmlDefaultData(string sEquivalentCircularDiameter, bool bContains, string sDisplaySource)
        {
            //要写入的文件是否存在
            if (File.Exists(Application.StartupPath + XmlAddress))
            {
                doc.Load(Application.StartupPath + XmlAddress);
                //获取根节点
                XmlElement xml = doc.DocumentElement;
                doc.DocumentElement.RemoveAll();
            }
            else
            {
                doc = new XmlDocument();
                XmlDeclaration dec = doc.CreateXmlDeclaration("1.0", "utf-8", "yes");
                doc.AppendChild(dec);
                XmlElement root = doc.CreateElement("XMLData");//加入根节点 
                doc.AppendChild(root);
            }

            XmlElement user = doc.CreateElement("Member");
            user.SetAttribute("RegName", "EquivalentCircularDiameter");
            user.SetAttribute("strValue", sEquivalentCircularDiameter);
            doc.DocumentElement.AppendChild(user);

            user = doc.CreateElement("Member");
            user.SetAttribute("RegName", "Contains");
            user.SetAttribute("strValue", bContains.ToString());
            doc.DocumentElement.AppendChild(user);

            user = doc.CreateElement("Member");
            user.SetAttribute("RegName", "DisplaySource");
            user.SetAttribute("strValue", sDisplaySource);
            doc.DocumentElement.AppendChild(user);

            doc.Save(Application.StartupPath + XmlAddress);
            return true;
        }
        public bool ReadXmlDataDefault(string AttributeItem,ref string output,string _XmlAddress= "\\Config\\SysData\\OTSInclusionsTraceabilityParam.rpf")
        {
            if (!File.Exists(Application.StartupPath + _XmlAddress))
            {
                return false;
            }
            doc.Load(Application.StartupPath + _XmlAddress);
            //获取根节点
            XmlElement xn1 = doc.DocumentElement;
            XmlNodeList xn2 = xn1.ChildNodes;
            //遍历所有节点
            foreach (XmlNode item in xn2)
            {
                XmlElement xe = (XmlElement)item;
                //将遍历到的值追加到Dictionary中
                if (xe.GetAttribute("RegName") == AttributeItem)
                {
                    output= xe.GetAttribute("strValue");
                    break;
                }
            }

            return true;
        }
        #endregion

        /// <summary>
        /// 通过FileStream 来打开文件，这样就可以实现不锁定Image文件，到时可以让多用户同时访问Image文件
        /// </summary>
        /// <param name="path"></param>
        /// <returns></returns>
        public Bitmap ReadImageFile(string path)
        {
            if (!File.Exists(path))
            {
                return null;//文件不存在
            }
            FileStream fs = File.OpenRead(path); //OpenRead
            int filelength = 0;
            filelength = (int)fs.Length; //获得文件长度 
            Byte[] image = new Byte[filelength]; //建立一个字节数组 
            fs.Read(image, 0, filelength); //按字节流读取 
            System.Drawing.Image result = System.Drawing.Image.FromStream(fs);
            fs.Close();
            Bitmap bit = new Bitmap(result);
            return bit;
        }

        /// <summary>
        /// 传入单颗颗粒的particle类对象,返回从field中抠取出的bitmap对象,抠取单颗颗粒
        /// </summary>
        /// <param name="in_cotsparticleclr"></param>
        /// <returns></returns>
        public Bitmap GetBitmapByParticle(Bitmap ls_bt, Rectangle offset_rect)
        {
            //为了能把整个颗粒显示完整
            offset_rect.X = offset_rect.X - 5;
            offset_rect.Y = offset_rect.Y - 5;
            offset_rect.Width = offset_rect.Width + 10;
            offset_rect.Height = offset_rect.Height + 10;

            //防止计算偏差后，有坐标溢出现象
            if (offset_rect.X < 0)
                offset_rect.X = 0;
            if (offset_rect.Y < 0)
                offset_rect.Y = 0;
            if (offset_rect.X + offset_rect.Width > ls_bt.Width)
            {
                offset_rect.Width = ls_bt.Width - offset_rect.X;
            }
            if (offset_rect.Y + offset_rect.Height > ls_bt.Height)
            {
                offset_rect.Height = ls_bt.Height - offset_rect.Y;
            }

            Bitmap new_ret_bp;
            //防止为0后面计算出错
            if (offset_rect.Width > 0 && offset_rect.Height > 0)
            {
                //最后通过list_showsegment组建成新的图片，进行返回
                new_ret_bp = ls_bt.Clone(offset_rect, PixelFormat.Format8bppIndexed);
            }
            else
            {

                new_ret_bp = new Bitmap(offset_rect.Width, offset_rect.Height);
            }

            return new_ret_bp;
        }
    }
}