1、自动更新程序优化：剔除冗余方法和文件

AutoUpdate/AutoUpdate.csproj

@@ -59,8 +59,6 @@
     </Compile>
     <Compile Include="Program.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
-    <Compile Include="SmpDB.cs" />
-    <Compile Include="Utils.cs" />
     <EmbeddedResource Include="Form1.resx">
       <DependentUpon>Form1.cs</DependentUpon>
     </EmbeddedResource>

AutoUpdate/Form1.cs

-using System;
+using ICSharpCode.SharpZipLib.Zip;
+using System;
 using System.Collections.Generic;
 using System.ComponentModel;
 using System.Data;
+using System.Data.SqlClient;
 using System.Diagnostics;
 using System.Drawing;
 using System.IO;
@@ -69,8 +71,8 @@ namespace AutoUpdate
 
         private void AppUpdate()
         {
-            string link = Utils.GetDbLinkString204("FTT_Work");
-            DataTable dt = new SmpDB().GetDataTable(link, "SELECT TOP 1 * FROM dbo.FTT_AutoUpdate ORDER BY UDate DESC", "FTT_AutoUpdate");
+            string link = this.GetDbLinkString204("FTT_Work");
+            DataTable dt = this.GetDataTable(link, "SELECT TOP 1 * FROM dbo.FTT_AutoUpdate ORDER BY UDate DESC", "FTT_AutoUpdate");
             if (dt.DefaultView.Count > 0)
             {
                 //结束原进程
@@ -94,7 +96,7 @@ namespace AutoUpdate
                 File.WriteAllBytes(fileFullName, bytes);
                 this.AddProcessText(60);
                 //解压更新包到指定目录
-                Utils.ZipDecompress(fileFullName, this._path);
+                this.ZipDecompress(fileFullName, this._path);
                 this.AddProcessText(90);
                 //删除更新包
                 File.Delete(fileFullName);
@@ -106,6 +108,87 @@ namespace AutoUpdate
             this.textBox1.Text += $"进度完成{value}%\r\n";
         }
 
-        
+        #region 工具方法
+
+        /// <summary>
+        ///  获取数据表
+        /// </summary>
+        /// <param name="strLink">数据库连接字串</param>
+        /// <param name="strSql">SQL语句</param>
+        /// <param name="strTableName">表名</param>
+        /// <param name="Schema">是否获取结构信息</param>
+        /// <returns></returns>
+        public DataTable GetDataTable(string strLink, string strSql, string strTableName, bool Schema = true)
+        {
+            DataTable dt = new DataTable(strTableName);
+            SqlConnection conn = null;
+
+            try
+            {
+                conn = new SqlConnection(strLink);
+                conn.Open();
+
+                var ada = new SqlDataAdapter(strSql, conn);
+                if (Schema) ada.FillSchema(dt, SchemaType.Mapped);//取出数据结构
+                ada.Fill(dt);//填充数据
+            }
+            catch (Exception ex)
+            {
+                if (conn.State == ConnectionState.Open)
+                    conn.Close();
+                throw (new Exception("获取数据出错：\r\n" + ex.Message));
+            }
+
+            return dt;
+        }
+        /// <summary>
+        /// 获取204的数据库链接
+        /// </summary>
+        /// <param name="dbName"></param>
+        /// <returns></returns>
+        public string GetDbLinkString204(string dbName)
+        {
+            return $"Password=sa;Persist Security Info=True;User ID=sa;Initial Catalog={dbName};Data Source=jhdsoft.gicp.net,3204";
+        }
+        /// <summary>
+        /// Zip：解压文件
+        /// </summary>
+        /// <param name="zipFileName">压缩包路径</param>
+        /// <param name="outFilePath">解压文件路径（缺省时，默认为桌面路径）</param>
+        public void ZipDecompress(string zipFileName, string outFilePath = "")
+        {
+            if (!File.Exists(zipFileName))
+            {
+                MessageBox.Show($"Cannot find file '{zipFileName}'");
+                return;
+            }
+            if (string.IsNullOrEmpty(outFilePath))
+            {
+                outFilePath = Environment.GetFolderPath(Environment.SpecialFolder.Desktop);
+            }
+
+            using ZipInputStream zip = new ZipInputStream(File.OpenRead(zipFileName));
+            //zip.Password = "123";
+            byte[] buffer = new byte[1024]; //缓冲区大小
+            ZipEntry entry;
+            while ((entry = zip.GetNextEntry()) != null)
+            {
+                string directoryName = Path.GetDirectoryName(entry.Name);
+                string fileName = Path.GetFileName(entry.Name);
+                if (string.IsNullOrEmpty(directoryName) || string.IsNullOrEmpty(fileName))
+                    continue;
+                //创建解压文件路径(压缩只考虑相对路径，所以这里创建时要加上输出路径)
+                Directory.CreateDirectory($@"{outFilePath}\{directoryName}");
+                using FileStream fs = File.Create($@"{outFilePath}\{entry.Name}"); //entry.Name <=> directoryName + fileName
+                //写入解压流
+                int size = 0;
+                while ((size = zip.Read(buffer, 0, buffer.Length)) > 0)
+                {
+                    fs.Write(buffer, 0, size);
+                }
+            }
+        }
+
+        #endregion
     }
 }

AutoUpdate/Utils.cs

-using ICSharpCode.SharpZipLib.Zip;
-using System;
-using System.Collections.Generic;
-using System.IO;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-using System.Windows.Forms;
-
-namespace AutoUpdate
-{
-    public class Utils
-    {
-        /// <summary>
-        /// 获取204的数据库链接
-        /// </summary>
-        /// <param name="dbName"></param>
-        /// <returns></returns>
-        public static string GetDbLinkString204(string dbName)
-        {
-            return $"Password=sa;Persist Security Info=True;User ID=sa;Initial Catalog={dbName};Data Source=jhdsoft.gicp.net,3204";
-        }
-        /// <summary>
-        /// Zip：解压文件
-        /// </summary>
-        /// <param name="zipFileName">压缩包路径</param>
-        /// <param name="outFilePath">解压文件路径（缺省时，默认为桌面路径）</param>
-        public static void ZipDecompress(string zipFileName, string outFilePath = "")
-        {
-            if (!File.Exists(zipFileName))
-            {
-                MessageBox.Show($"Cannot find file '{zipFileName}'");
-                return;
-            }
-            if (string.IsNullOrEmpty(outFilePath))
-            {
-                outFilePath = Environment.GetFolderPath(Environment.SpecialFolder.Desktop);
-            }
-
-            using ZipInputStream zip = new ZipInputStream(File.OpenRead(zipFileName));
-            //zip.Password = "123";
-            byte[] buffer = new byte[1024]; //缓冲区大小
-            ZipEntry entry;
-            while ((entry = zip.GetNextEntry()) != null)
-            {
-                string directoryName = Path.GetDirectoryName(entry.Name);
-                string fileName = Path.GetFileName(entry.Name);
-                if (string.IsNullOrEmpty(directoryName) || string.IsNullOrEmpty(fileName))
-                    continue;
-                //创建解压文件路径(压缩只考虑相对路径，所以这里创建时要加上输出路径)
-                Directory.CreateDirectory($@"{outFilePath}\{directoryName}");
-                using FileStream fs = File.Create($@"{outFilePath}\{entry.Name}"); //entry.Name <=> directoryName + fileName
-                //写入解压流
-                int size = 0;
-                while ((size = zip.Read(buffer, 0, buffer.Length)) > 0)
-                {
-                    fs.Write(buffer, 0, size);
-                }
-            }
-        }
-    }
-}