1.邏輯層的方法應該與數據層的方法一一對應。邏輯層返回的結果都是用接口IResult封裝，用於項目轉換時，能減少變化的代碼量。
2.邏輯層都需要繼承 BaseLogic 類
public class BaseLogic { public T NewObject<T>() where T : class { T t = IOCHelper.GetInstance<T>(); return t; } }
3.動軟代碼
<#@ template language="c#" HostSpecific="True" #> <#@ output extension= ".cs" #> <# TableHost host = (TableHost)(Host); string ModelSpace = host.NameSpace+".Model."+ host.GetModelClass(host.TableName); string DALSpace= host.NameSpace+".DAL."+ host.GetDALClass(host.TableName); string TableName = host.GetModelClass(host.TableName).Split('_')[1]; ColumnInfo identityKey=host.IdentityKey; string returnValue = "void"; if (identityKey!=null) { returnValue = CodeCommon.DbTypeToCS(identityKey.TypeName); } #> using System; using CommonLibrary.Log; using CommonLibrary.Base; using CommonContract.Entity; using CommonContract.Condition; using System.Collections.Generic; using MIT.Application.Dao; using CommonLibrary.CommonResult; namespace MIT.Application.Logic { public class <#= TableName #>Logic : BaseLogic { #region 獲取所有數據 public IResult<List<<#= TableName #>Entity>> GetList () { IResult<List<<#= TableName #>Entity>> result = new Result<List<<#= TableName #>Entity>>(); List<<#= TableName #>Entity> list = null; try { list = NewObject<<#= TableName #>Dao>().GetList(); result.SetSuccessOrFail(true); result.SetResult(list); } catch (Exception ex) { LogHelper.WriteError(ex, "<#= TableName #>表 獲取所有數據異常"); result.SetResultDescription("获取列表出错"); } return result; } #endregion #region 通過緩存獲取所有數據 public IResult<List<<#= TableName #>Entity>> GetListByCache () { IResult<List<<#= TableName #>Entity>> result = new Result<List<<#= TableName #>Entity>>(); List<<#= TableName #>Entity> list = null; try { list = NewObject<<#= TableName #>Dao>().GetListByCache(); result.SetSuccessOrFail(true); result.SetResult(list); } catch (Exception ex) { LogHelper.WriteError(ex, "<#= TableName #>表 通過緩存獲取所有數據異常"); result.SetResultDescription("获取列表出错"); } return result; } #endregion #region 通過條件獲取所有數據 public IResult<List<<#= TableName #>Entity>> GetListByCondition (string queryJson) { IResult<List<<#= TableName #>Entity>> result = new Result<List<<#= TableName #>Entity>>(); List<<#= TableName #>Entity> list = null; try { list = NewObject<<#= TableName #>Dao>().GetListByCondition(queryJson); result.SetSuccessOrFail(true); result.SetResult(list); } catch (Exception ex) { LogHelper.WriteError(ex, "<#= TableName #>表 通過條件獲取所有數據異常"); result.SetResultDescription("获取列表出错"); } return result; } #endregion #region 通過分页獲取數據 public IResult<List<<#= TableName #>Entity>> GetListByPage (PageInfo pageInfo, string queryJson) { IResult<List<<#= TableName #>Entity>> result = new Result<List<<#= TableName #>Entity>>(); List<<#= TableName #>Entity> list = null; try { list = NewObject<<#= TableName #>Dao>().GetListByPage(pageInfo,queryJson); result.SetSuccessOrFail(true); result.SetResult(list); } catch (Exception ex) { LogHelper.WriteError(ex, "<#= TableName #>表 通過分页獲取數據列表異常"); result.SetResultDescription("获取列表出错"); } return result; } #endregion #region 通過主鍵獲取實體 public IResult<<#= TableName #>Entity> GetEntity (string keyValue) { IResult<<#= TableName #>Entity> result = new Result<<#= TableName #>Entity>(); <#= TableName #>Entity Entity = null; try { Entity = NewObject<<#= TableName #>Dao>().GetEntity(keyValue); result.SetSuccessOrFail(true); result.SetResult(Entity); } catch (Exception ex) { LogHelper.WriteError(ex, "<#= TableName #>表 通過主鍵獲取實體異常"); result.SetResultDescription("获取數據出错"); } return result; } #endregion #region 通過主鍵删數據 public IResult RemoveForm (string keyValue) { IResult result = new Result(); try { int res = NewObject<<#= TableName #>Dao>().RemoveForm(keyValue); result.SetSuccessOrFail(res > 0); string msg = res > 0 ? "刪除成功" : "刪除失敗"; result.SetResultDescription(msg); } catch (Exception ex) { LogHelper.WriteError(ex, "<#= TableName #>表 通過主鍵删數據異常"); result.SetResultDescription("删數數據出错"); } return result; } #endregion #region 通過條件删數據 public IResult RemoveFormByCondition (string queryJson) { IResult result = new Result(); try { int res = NewObject<<#= TableName #>Dao>().RemoveFormByCondition(queryJson); result.SetSuccessOrFail(res > 0); string msg = res > 0 ? "刪除成功" : "刪除失敗"; result.SetResultDescription(msg); } catch (Exception ex) { LogHelper.WriteError(ex, "<#= TableName #>表 通過條件删數據異常"); result.SetResultDescription("删數數據出错"); } return result; } #endregion #region 批量删除數據 public IResult RemoveFormByKeys (string strkeyValue) { IResult result = new Result(); try { string[] strArr=strkeyValue.Split(','); int[] keyValues=new int[strArr.Length]; for(int i=0;i<strArr.Length;i++) { keyValues[i]=Convert.ToInt32(strArr[i]); } int res = NewObject<<#= TableName #>Dao>().RemoveFormByKeys(keyValues); result.SetSuccessOrFail(res > 0); string msg = res > 0 ? "刪除成功" : "刪除失敗"; result.SetResultDescription(msg); } catch (Exception ex) { LogHelper.WriteError(ex, "<#= TableName #>表 批量删除數據異常"); result.SetResultDescription("删數數據出错"); } return result; } #endregion #region 保存數據（新增、修改） public IResult SaveForm (string keyValue, <#= TableName #>Entity Entity) { IResult result = new Result(); try { int res = NewObject<<#= TableName #>Dao>().SaveForm(keyValue,Entity); string msg = res > 0 ? "保存成功" : "保存失敗"; if (string.IsNullOrEmpty(keyValue)) { msg = res > 0 ? "新增成功" : "新增失敗"; } result.SetResultDescription(msg); result.SetSuccessOrFail(res > 0); } catch (Exception ex) { LogHelper.WriteError(ex, "<#= TableName #>表 保存數據（新增、修改)異常"); result.SetResultDescription("操作失敗"); } return result; } #endregion } }
4.C#代碼
using System; using CommonLibrary.Log; using CommonLibrary.Base; using CommonContract.Entity; using System.Collections.Generic; using CommonLibrary.CommonResult; using MIT.Application.Dao.BaseManager; using CommonContract.Condition; namespace MIT.Application.Logic.BaseManager { public class UserLogic : BaseLogic { #region 獲取所有數據 public IResult<List<UserEntity>> GetList(UserEntity Entity) { IResult<List<UserEntity>> result = new Result<List<UserEntity>>(); List<UserEntity> list = null; try { list = NewObject<UserDao>().GetList(); result.SetSuccessOrFail(true); result.SetResult(list); } catch (Exception ex) { LogHelper.WriteError(ex, "UserInfo表 獲取所有數據異常"); result.SetResultDescription("获取列表出错"); } return result; } #endregion #region 通過緩存獲取所有數據 public IResult<List<UserEntity>> GetListByCache(UserEntity Entity) { IResult<List<UserEntity>> result = new Result<List<UserEntity>>(); List<UserEntity> list = null; try { list = NewObject<UserDao>().GetListByCache(); result.SetSuccessOrFail(true); result.SetResult(list); } catch (Exception ex) { LogHelper.WriteError(ex, "UserInfo表 通過緩存獲取所有數據異常"); result.SetResultDescription("获取列表出错"); } return result; } #endregion #region 通過條件獲取所有數據 public IResult<List<UserEntity>> GetListByCondition(string queryJson) { IResult<List<UserEntity>> result = new Result<List<UserEntity>>(); List<UserEntity> list = null; try { list = NewObject<UserDao>().GetListByCondition(queryJson); result.SetSuccessOrFail(true); result.SetResult(list); } catch (Exception ex) { LogHelper.WriteError(ex, "UserInfo表 通過條件獲取所有數據異常"); result.SetResultDescription("获取列表出错"); } return result; } #endregion #region 通過分页獲取數據 public IResult<List<UserEntity>> GetListByPage(PageInfo pageInfo, string queryJson) { IResult<List<UserEntity>> result = new Result<List<UserEntity>>(); List<UserEntity> list = null; try { list = NewObject<UserDao>().GetListByPage(pageInfo, queryJson); result.SetSuccessOrFail(true); result.SetResult(list); } catch (Exception ex) { LogHelper.WriteError(ex, "UserInfo表 通過分页獲取數據列表異常"); result.SetResultDescription("获取列表出错"); } return result; } #endregion #region 通過主鍵獲取實體 public IResult<UserEntity> GetEntity(string keyValue) { IResult<UserEntity> result = new Result<UserEntity>(); UserEntity Entity = null; try { Entity = NewObject<UserDao>().GetEntity(keyValue); result.SetSuccessOrFail(true); result.SetResult(Entity); } catch (Exception ex) { LogHelper.WriteError(ex, "UserInfo表 通過主鍵獲取實體異常"); result.SetResultDescription("获取數據出错"); } return result; } #endregion #region 通過主鍵删數據 public IResult RemoveForm(string keyValue) { IResult result = new Result(); try { int res = NewObject<UserDao>().RemoveForm(keyValue); result.SetSuccessOrFail(res > 0); string msg = res > 0 ? "刪除成功" : "刪除失敗"; result.SetResultDescription(msg); } catch (Exception ex) { LogHelper.WriteError(ex, "UserInfo表 通過主鍵删數據異常"); result.SetResultDescription("删數數據出错"); } return result; } #endregion #region 通過條件删數據 public IResult RemoveFormByCondition(string queryJson) { IResult result = new Result(); try { int res = NewObject<UserDao>().RemoveFormByCondition(queryJson); result.SetSuccessOrFail(res > 0); string msg = res > 0 ? "刪除成功" : "刪除失敗"; result.SetResultDescription(msg); } catch (Exception ex) { LogHelper.WriteError(ex, "UserInfo表 通過條件删數據異常"); result.SetResultDescription("删數數據出错"); } return result; } #endregion #region 批量删除數據 public IResult RemoveFormByKeys(string strkeyValue) { IResult result = new Result(); try { string[] strArr = strkeyValue.Split(','); int[] keyValues = new int[strArr.Length]; for (int i = 0; i < strArr.Length; i++) { keyValues[i] = Convert.ToInt32(strArr[i]); } int res = NewObject<UserDao>().RemoveFormByKeys(keyValues); result.SetSuccessOrFail(res > 0); string msg = res > 0 ? "刪除成功" : "刪除失敗"; result.SetResultDescription(msg); } catch (Exception ex) { LogHelper.WriteError(ex, "UserInfo表 批量删除數據異常"); result.SetResultDescription("删數數據出错"); } return result; } #endregion #region 保存數據（新增、修改） public IResult SaveForm(string keyValue, UserEntity Entity) { IResult result = new Result(); try { int res = NewObject<UserDao>().SaveForm(keyValue,Entity); string msg = res > 0 ? "保存成功" : "保存失敗"; if (string.IsNullOrEmpty(keyValue)) { msg = res > 0 ? "新增成功" : "新增失敗"; } result.SetResultDescription(msg); result.SetSuccessOrFail(res > 0); } catch (Exception ex) { LogHelper.WriteError(ex, "UserInfo表 保存數據（新增、修改)異常"); result.SetResultDescription("操作失敗"); } return result; } #endregion #region 修改用户状态 public IResult UpdateState(string keyValue, int Status) { IResult result = new Result(); try { UserEntity Entity = new UserEntity(); Entity.UserId = keyValue.ToInt(); Entity.EnabledMark = Status; int res = NewObject<UserDao>().UpdateState(Entity); string msg = res > 0 ? "啟用成功" : "啟用失敗"; if (Status == 0) { msg = res > 0 ? "禁用成功" : "禁用失敗"; } result.SetResultDescription(msg); result.SetSuccessOrFail(res > 0); } catch (Exception ex) { LogHelper.WriteError(ex, "UserInfo表 修改用户状态異常"); result.SetResultDescription("操作失敗"); } return result; } #endregion } }