init: CATL电池线SCADA首次入库

DT_SCADA/Core/MysqlClient.cs

@@ -0,0 +1,95 @@
+using MySql.Data.MySqlClient;
+using System;
+using System.Collections.Generic;
+using System.Data;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DatabaseClient
+{
+   public class MysqlClient
+    {
+       
+        public static bool ExecQuerySQL(string sql, string ConnectStr, out string err)
+        {
+           // lock (losk1) {
+                bool success = false;
+                err = "";
+                using (MySqlConnection conn = new MySqlConnection(ConnectStr))
+                {
+                    try
+                    {
+                        conn.Open();
+
+                        MySqlCommand command = new MySqlCommand(sql, conn);
+                        command.ExecuteNonQuery();
+                        success = true;
+                    }
+                    catch (Exception er)
+                    {
+                        err = er.Message;
+                    }
+                    finally
+                    {
+                        if (conn != null)
+                        {
+                            conn.Close();
+                        }
+                    }
+
+                }
+
+                return success;
+           // }
+            
+        }
+
+
+
+        public static bool ExecQueryDataTable(string sql, string ConnectStr,out DataTable dt, out string err)
+        {
+            bool success = false;
+            err = "";
+            dt = null;
+            using (MySqlConnection conn = new MySqlConnection(ConnectStr))
+            {
+                try
+                {
+                    conn.Open();
+
+                    MySqlCommand command = new MySqlCommand(sql, conn);
+                    MySqlDataAdapter da = new MySqlDataAdapter(command);
+                    DataSet ds = new DataSet();
+                    da.Fill(ds);
+
+                    if (ds.Tables.Count > 0)
+                    {
+                        dt = ds.Tables[0];
+                    }
+                    success = true;
+                }
+                catch (Exception er)
+                {
+                    err = er.Message;
+                }
+                finally
+                {
+                    if (conn != null)
+                    {
+                        conn.Close();
+                    }
+                }
+
+            }
+
+            return success;
+        }
+
+
+
+
+
+
+    }
+}