/// <summary> /// 得到一个对象实体 /// </summary> public Dapper.Model.manager_role GetModel(int id) { StringBuilder strSql = new StringBuilder(); StringBuilder str1 = new StringBuilder(); Dapper.Model.manager_role model = new Dapper.Model.manager_role(); //利用反射获得属性的所有公共属性 PropertyInfo[] pros = model.GetType().GetProperties(); foreach (PropertyInfo p in pros) { //拼接字段,忽略List<T> if (!typeof(System.Collections.IList).IsAssignableFrom(p.PropertyType)) { str1.Append(p.Name + ",");//拼接字段 } } strSql.Append("select top 1 " + str1.ToString().Trim(',')); strSql.Append(" from " + databaseprefix + "manager_role"); strSql.Append(" where id=@id"); SqlParameter[] parameters = { new SqlParameter("@id", SqlDbType.Int, 4) }; parameters[0].Value = id; DataTable dt = DbHelperSQL.Query(strSql.ToString(), parameters).Tables[0]; if (dt.Rows.Count > 0) { return(DataRowToModel(dt.Rows[0])); } else { return(null); } }
/// <summary> /// 将对象转换实体 /// </summary> public Dapper.Model.manager_role DataRowToModel(DataRow row) { Dapper.Model.manager_role model = new Dapper.Model.manager_role(); if (row != null) { #region 主表信息====================== //利用反射获得属性的所有公共属性 Type modelType = model.GetType(); for (int i = 0; i < row.Table.Columns.Count; i++) { //查找实体是否存在列表相同的公共属性 PropertyInfo proInfo = modelType.GetProperty(row.Table.Columns[i].ColumnName); if (proInfo != null && row[i] != DBNull.Value) { proInfo.SetValue(model, row[i], null);//用索引值设置属性值 } } #endregion #region 子表信息====================== StringBuilder strSql1 = new StringBuilder(); strSql1.Append("select * from " + databaseprefix + "manager_role_value"); strSql1.Append(" where role_id=@role_id"); SqlParameter[] parameters1 = { new SqlParameter("@role_id", SqlDbType.Int, 4) }; parameters1[0].Value = model.id; DataTable dt1 = DbHelperSQL.Query(strSql1.ToString(), parameters1).Tables[0]; if (dt1.Rows.Count > 0) { int rowsCount = dt1.Rows.Count; List <Dapper.Model.manager_role_value> models = new List <Dapper.Model.manager_role_value>(); Dapper.Model.manager_role_value modelt; for (int n = 0; n < rowsCount; n++) { modelt = new Dapper.Model.manager_role_value(); Type modeltType = modelt.GetType(); for (int i = 0; i < dt1.Rows[n].Table.Columns.Count; i++) { PropertyInfo proInfo = modeltType.GetProperty(dt1.Rows[n].Table.Columns[i].ColumnName); if (proInfo != null && dt1.Rows[n][i] != DBNull.Value) { proInfo.SetValue(modelt, dt1.Rows[n][i], null); } } models.Add(modelt); } model.manager_role_values = models; } #endregion } return(model); }
/// <summary> /// 增加一条数据 /// </summary> public int Add(Dapper.Model.manager_role model) { using (SqlConnection conn = new SqlConnection(DbHelperSQL.connectionString)) { conn.Open();//打开数据连接 using (SqlTransaction trans = conn.BeginTransaction()) { try { #region 主表信息========================== StringBuilder strSql = new StringBuilder(); StringBuilder str1 = new StringBuilder(); //数据字段 StringBuilder str2 = new StringBuilder(); //数据参数 //利用反射获得属性的所有公共属性 PropertyInfo[] pros = model.GetType().GetProperties(); List <SqlParameter> paras = new List <SqlParameter>(); strSql.Append("insert into " + databaseprefix + "manager_role("); foreach (PropertyInfo pi in pros) { //如果不是主键和LIST<T>则追加sql字符串 if (!pi.Name.Equals("id") && !typeof(System.Collections.IList).IsAssignableFrom(pi.PropertyType)) { //判断属性值是否为空 if (pi.GetValue(model, null) != null) { str1.Append(pi.Name + ","); //拼接字段 str2.Append("@" + pi.Name + ","); //声明参数 paras.Add(new SqlParameter("@" + pi.Name, pi.GetValue(model, null))); //对参数赋值 } } } strSql.Append(str1.ToString().Trim(',')); strSql.Append(") values ("); strSql.Append(str2.ToString().Trim(',')); strSql.Append(") "); strSql.Append(";select @@IDENTITY;"); object obj = DbHelperSQL.GetSingle(conn, trans, strSql.ToString(), paras.ToArray());//带事务 model.id = Convert.ToInt32(obj); #endregion #region 角色权限表信息==================== if (model.manager_role_values != null) { StringBuilder strSql2; //SQL字符串 StringBuilder str21; //数据库字段 StringBuilder str22; //声明参数 foreach (Dapper.Model.manager_role_value modelt in model.manager_role_values) { strSql2 = new StringBuilder(); str21 = new StringBuilder(); str22 = new StringBuilder(); PropertyInfo[] pros2 = modelt.GetType().GetProperties(); List <SqlParameter> paras2 = new List <SqlParameter>(); strSql2.Append("insert into " + databaseprefix + "manager_role_value("); foreach (PropertyInfo pi in pros2) { if (!pi.Name.Equals("id")) { if (pi.GetValue(modelt, null) != null) { str21.Append(pi.Name + ","); str22.Append("@" + pi.Name + ","); if (pi.Name.Equals("role_id")) { paras2.Add(new SqlParameter("@" + pi.Name, model.id));//将刚插入的父ID赋值 } else { paras2.Add(new SqlParameter("@" + pi.Name, pi.GetValue(modelt, null))); } } } } strSql2.Append(str21.ToString().Trim(',')); strSql2.Append(") values ("); strSql2.Append(str22.ToString().Trim(',')); strSql2.Append(") "); DbHelperSQL.ExecuteSql(conn, trans, strSql2.ToString(), paras2.ToArray()); } } #endregion trans.Commit(); //提交事务 } catch { trans.Rollback(); //回滚事务 return(0); } } } return(model.id); }
/// <summary> /// 更新一条数据 /// </summary> public bool Update(Dapper.Model.manager_role model) { using (SqlConnection conn = new SqlConnection(DbHelperSQL.connectionString)) { conn.Open(); using (SqlTransaction trans = conn.BeginTransaction()) { try { #region 主表信息========================== StringBuilder strSql = new StringBuilder(); StringBuilder str1 = new StringBuilder(); //利用反射获得属性的所有公共属性 PropertyInfo[] pros = model.GetType().GetProperties(); List <SqlParameter> paras = new List <SqlParameter>(); strSql.Append("update " + databaseprefix + "manager_role set "); foreach (PropertyInfo pi in pros) { //如果不是主键和LIST<T>则追加sql字符串 if (!pi.Name.Equals("id") && !typeof(System.Collections.IList).IsAssignableFrom(pi.PropertyType)) { //判断属性值是否为空 if (pi.GetValue(model, null) != null) { str1.Append(pi.Name + "=@" + pi.Name + ","); //声明参数 paras.Add(new SqlParameter("@" + pi.Name, pi.GetValue(model, null))); //对参数赋值 } } } strSql.Append(str1.ToString().Trim(',')); strSql.Append(" where id=@id "); paras.Add(new SqlParameter("@id", model.id)); DbHelperSQL.ExecuteSql(conn, trans, strSql.ToString(), paras.ToArray()); #endregion #region 角色权限表信息==================== //删除角色所有的权限 StringBuilder strSql1 = new StringBuilder(); strSql1.Append("delete from " + databaseprefix + "manager_role_value where role_id=@role_id"); SqlParameter[] parameters1 = { new SqlParameter("@role_id", SqlDbType.Int, 4) }; parameters1[0].Value = model.id; DbHelperSQL.ExecuteSql(conn, trans, strSql1.ToString(), parameters1); //重新添加角色权限 if (model.manager_role_values != null) { StringBuilder strSql2; //SQL字符串 StringBuilder str21; //数据库字段 StringBuilder str22; //声明参数 foreach (Dapper.Model.manager_role_value modelt in model.manager_role_values) { strSql2 = new StringBuilder(); str21 = new StringBuilder(); str22 = new StringBuilder(); PropertyInfo[] pros2 = modelt.GetType().GetProperties(); List <SqlParameter> paras2 = new List <SqlParameter>(); strSql2.Append("insert into " + databaseprefix + "manager_role_value("); foreach (PropertyInfo pi in pros2) { if (!pi.Name.Equals("id")) { if (pi.GetValue(modelt, null) != null) { str21.Append(pi.Name + ","); str22.Append("@" + pi.Name + ","); if (pi.Name.Equals("role_id")) { paras2.Add(new SqlParameter("@" + pi.Name, model.id));//将刚角色的ID赋值 } else { paras2.Add(new SqlParameter("@" + pi.Name, pi.GetValue(modelt, null))); } } } } strSql2.Append(str21.ToString().Trim(',')); strSql2.Append(") values ("); strSql2.Append(str22.ToString().Trim(',')); strSql2.Append(") "); DbHelperSQL.ExecuteSql(conn, trans, strSql2.ToString(), paras2.ToArray()); } } #endregion trans.Commit(); //提交事务 } catch { trans.Rollback(); //回滚事务 return(false); } } } return(true); }