完成添加变量功能

Data/Repositories/VarDataRepository.cs

@@ -0,0 +1,79 @@
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using PMSWPF.Data.Entities;
+using PMSWPF.Extensions;
+using PMSWPF.Models;
+
+namespace PMSWPF.Data.Repositories;
+
+/// <summary>
+/// VariableData仓储类，用于操作DbVariableData实体
+/// </summary>
+public class VarDataRepository
+{
+    /// <summary>
+    /// 根据ID获取VariableData
+    /// </summary>
+    /// <param name="id">主键ID</param>
+    /// <returns></returns>
+    public async Task<DbVariableData> GetByIdAsync(int id)
+    {
+        using (var _db = DbContext.GetInstance())
+        {
+            return await _db.Queryable<DbVariableData>().In(id).SingleAsync();
+        }
+    }
+
+    /// <summary>
+    /// 获取所有VariableData
+    /// </summary>
+    /// <returns></returns>
+    public async Task<List<VariableData>> GetAllAsync()
+    {
+        using (var _db = DbContext.GetInstance())
+        {
+            return await _db.Queryable<DbVariableData>().Select(dbVarData => dbVarData.CopyTo<VariableData>())
+                .ToListAsync();
+        }
+    }
+
+    /// <summary>
+    /// 新增VariableData
+    /// </summary>
+    /// <param name="variableData">VariableData实体</param>
+    /// <returns></returns>
+    public async Task<VariableData> AddAsync(VariableData variableData)
+    {
+        using (var _db = DbContext.GetInstance())
+        {
+            var dbVarData = await _db.Insertable(variableData.CopyTo<DbVariableData>()).ExecuteReturnEntityAsync();
+            return dbVarData.CopyTo<VariableData>();
+        }
+    }
+
+    /// <summary>
+    /// 更新VariableData
+    /// </summary>
+    /// <param name="variableData">VariableData实体</param>
+    /// <returns></returns>
+    public async Task<int> UpdateAsync(VariableData variableData)
+    {
+        using (var _db = DbContext.GetInstance())
+        {
+            return await _db.Updateable(variableData.CopyTo<DbVariableData>()).ExecuteCommandAsync();
+        }
+    }
+
+    /// <summary>
+    /// 根据ID删除VariableData
+    /// </summary>
+    /// <param name="id">主键ID</param>
+    /// <returns></returns>
+    public async Task<int> DeleteAsync(int id)
+    {
+        using (var _db = DbContext.GetInstance())
+        {
+            return await _db.Deleteable<DbVariableData>().In(id).ExecuteCommandAsync();
+        }
+    }
+}