Project_Net4/010_浙江高速/014_公众服务管理/PublicService/WebService1.asmx.cs

using System;
using System.Collections.Generic;
using System.Configuration;
using System.Data;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Drawing.Imaging;
using System.IO;
using System.Linq;
using System.Management;
using System.Web;
using System.Web.Configuration;
using System.Web.Services;
using SuperMap.RealEstate.MemberShip.Storage.Business;

namespace PublicService
{

    /// <summary>
    /// WebService1 的摘要说明
    /// </summary>
    [WebService(Namespace = "http://tempuri.org/")]
    [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
    [System.ComponentModel.ToolboxItem(false)]
    // 若要允许使用 ASP.NET AJAX 从脚本中调用此 Web 服务，请取消注释以下行。 
    // [System.Web.Script.Services.ScriptService]  
    public class WebService1 : System.Web.Services.WebService
    {
        protected static string _connectString = System.Configuration.ConfigurationManager.AppSettings["connectstring"];

        //下载WebService所在服务器上的文件的方法
        [WebMethod]
        public byte[] Down(string filename)
        {
            string filepath = @"D:\" + filename;
            if (Directory.Exists(filepath))
            {
                try
                {
                    FileStream s = File.OpenRead(filepath);
                    return ConvertStreamToByteBuffer(s);
                }
                catch
                {
                    return new byte[0];
                }
            }
            else
            {
                return new byte[0];
            }
        }
        public byte[] ConvertStreamToByteBuffer(Stream s)
        {
            MemoryStream ms = new MemoryStream();
            int b;
            while ((b = s.ReadByte()) != -1)
            {
                ms.WriteByte((byte)b);
            }
            return ms.ToArray();
        }

        /// <summary>
        /// 上传图片
        /// </summary>
        /// <param name="num"></param>
        /// <returns></returns>
        [WebMethod]
        public void UpLoadImages(string images,string serverpart,string rundate,string runstaue,string checkdate)
        {
            Configuration config = config = WebConfigurationManager.OpenWebConfiguration(HttpContext.Current.Request.ApplicationPath);
            AppSettingsSection appSetting = (AppSettingsSection)config.GetSection("appSettings"); 

            appSetting.Settings["serverpart"].Value = serverpart;
            appSetting.Settings["rundate"].Value = rundate;
            appSetting.Settings["runstaue"].Value = runstaue;
            appSetting.Settings["checkdate"].Value = checkdate;
            config.Save();
            string url = Server.MapPath(@"~/upImages/"); 
            if (!Directory.Exists(url))
            {
                Directory.CreateDirectory(url);
            }
            byte[] bytes = Convert.FromBase64String(images);
            System.IO.MemoryStream ms = new System.IO.MemoryStream(bytes);
            System.Drawing.Image img = System.Drawing.Image.FromStream(ms);
            GetSizeImage(img, 700, 900).Save(url + "/upload.jpg", ImageFormat.Jpeg);

            OracleHelper _OracleHelper = new OracleHelper(_connectString.Split(',')[0], _connectString.Split(',')[1],
                    _connectString.Split(',')[2], _connectString.Split(',')[3]);

            DataSet ds = _OracleHelper.ExcuteSqlGetDataSet(@"SELECT IMAGEINFO_ID,IMAGE_DATE IMAGE_DATE FROM HIGHWAY_EXCHANGE.T_IMAGEINFO", "T_IMAGEINFO");
            DataTable IMAGEINFOdt = ds.Tables[0];
            if (IMAGEINFOdt.Rows.Count > 0)
            {
                _OracleHelper.ExcuteSql(@"INSERT INTO HIGHWAY_EXCHANGE.T_IMAGEINFO (IMAGEINFO_ID,FILEPATH,SERVERPART,STARTDATE,IMAGE_DATE,STATUE) 
                        VALUES (HIGHWAY_EXCHANGE.SEQ_IMAGEINFO.NEXTVAL,'" + url + "'/upload.jpg,'" + serverpart + "','" + rundate +
                                                                          "',TO_DATE('" + checkdate + "','yyyy-MM-dd HH:mi:ss'),0)");
            }
            else
            {
                _OracleHelper.ExcuteSql(@"UPDATE HIGHWAY_EXCHANGE.T_IMAGEINFO 
                        SET IMAGE_DATE = TO_DATE('" + checkdate + "','yyyy-MM-dd HH:mi:ss') WHERE IMAGEINFO_ID = " + IMAGEINFOdt.Rows[0]["IMAGEINFO_ID"]);
            }

        }

        private Image GetSizeImage(Image image, int w, int h)
        {
            double pCtrl = (double)w / (double)h;//固定的宽高比例
            double pImg = (double)image.Width / (double)image.Height;//图片宽高比例

            Image newImage;
            if (pCtrl > pImg)
            {
                if (h < image.Height)
                {
                    newImage = drawImage(image, (int)(h * pImg), h);
                }
                else
                {
                    newImage = drawImage(image, image.Width, image.Height);
                }
            }
            else if (pCtrl < pImg)
            {
                if (image.Width > w)
                {
                    newImage = drawImage(image, w, (int)(w / pImg));
                }
                else
                {
                    newImage = drawImage(image, image.Width, image.Height);
                }
            }
            else
            {
                if (image.Width > w)
                {
                    newImage = drawImage(image, w, h);
                }
                else
                {
                    newImage = drawImage(image, image.Width, image.Height);
                }
            }

            return newImage;
        }

        private Image drawImage(Image sourceImage, int width, int height)
        {
            Image bitmap = new Bitmap(width, height);
            Graphics img = Graphics.FromImage(bitmap);
            img.CompositingQuality = CompositingQuality.HighQuality;
            img.SmoothingMode = SmoothingMode.HighQuality;
            img.InterpolationMode = InterpolationMode.High;
            img.DrawImage(sourceImage, new Rectangle(0, 0, width, height));

            return bitmap;
        }

        /// <summary>
        /// 上传图片
        /// </summary>
        /// <param name="num"></param>
        /// <returns></returns>
        [WebMethod]
        public void ReSetProject()
        {
            OracleHelper _OracleHelper = new OracleHelper(_connectString.Split(',')[0], _connectString.Split(',')[1],
                    _connectString.Split(',')[2], _connectString.Split(',')[3]);
           _OracleHelper.ExcuteSql(@"UPDATE HIGHWAY_EXCHANGE.T_IMAGEINFO SET STATUE = 1");
        }
    }
}