创建了PLC相关的文件

Data/DbContext.cs

@@ -2,7 +2,7 @@
 
 namespace PMSWPF.Data
 {
-    internal class DbContext
+    public class DbContext
     {
         private static SqlSugarClient _db;
 
@@ -10,7 +10,7 @@ namespace PMSWPF.Data
         {
             if (_db == null)
             {
-                string connectionString = "server=127.0.0.1;port=3306;user=root;password=Pgw15221236646; database=PMS;";
+                string connectionString = "server=127.0.0.1;port=3306;user=root;password=Pgw15221236646; database=pmswpf;";
                 _db = new SqlSugarClient(new ConnectionConfig()
                 {
                     ConnectionString = connectionString,

Data/Entities/PLC.cs

@@ -0,0 +1,64 @@
+using PMSWPF.Enums;
+using SqlSugar;
+using SqlSugar.DbConvert;
+
+namespace PMSWPF.Data.Entities
+{
+    public class PLC
+    {
+        [SugarColumn(IsPrimaryKey = true, IsIdentity = true)]//数据库是自增才配自增
+        public int id { get; set; }
+        /// <summary>
+        /// PLC名称
+        /// </summary>
+        public string Name { get; set; }
+        /// <summary>
+        /// PLC品牌
+        /// </summary>
+        /// //新版本：存储字符串 SqlSugar 5.1.4.66-preview02
+        [SugarColumn(ColumnDataType = "varchar(30)", SqlParameterDbType = typeof(EnumToStringConvert))]
+        public PlcBrand PlcBrand { get; set; }
+        /// <summary>
+        /// PLC类型
+        /// </summary>
+        public int CpuType { get; set; }
+        /// <summary>
+        /// PLC节点ID
+        /// </summary>
+        public string NodeID { get; set; }
+        /// <summary>
+        /// PLC IP地址
+        /// </summary>
+        public string IP { get; set; }
+        /// <summary>
+        /// PLC状态
+        /// </summary>
+        public string Status { get; set; }
+        /// <summary>
+        /// PLC连接类型
+        /// </summary>
+        public string ConnType { get; set; }
+        /// <summary>
+        /// PLC连接时间
+        /// </summary>
+        public DateTime ConnTime { get; set; }
+        /// <summary>
+        /// 是否启用
+        /// </summary>
+        public bool IsEnable { get; set; }
+
+        public PLC()
+        {
+
+        }
+        public PLC(string name = "", string nodeID = "", string ip = "", string status = "", string connType = "")
+        {
+            this.Name = name;
+            this.NodeID = nodeID;
+            this.IP = ip;
+            this.Status = status;
+            this.ConnType = connType;
+            this.ConnTime = DateTime.Now;
+        }
+    }
+}

Data/Repositories/PlcRepositories.cs

@@ -0,0 +1,21 @@
+using PMSWPF.Data.Entities;
+using SqlSugar;
+
+namespace PMSWPF.Data.Repositories
+{
+    internal class PlcRepositories
+    {
+        private SqlSugarClient _db;
+
+        public PlcRepositories()
+        {
+
+            _db = DbContext.GetInstance();
+            var tabExist = _db.DbMaintenance.IsAnyTable(nameof(PLC), false);
+            if (tabExist)
+            {
+                _db.CodeFirst.InitTables<PLC>();
+            }
+        }
+    }
+}