/// <summary> /// 得到一个对象实体 /// </summary> public Model.ReceiptPay GetModel(int id) { StringBuilder strSql = new StringBuilder(); StringBuilder str1 = new StringBuilder(); Model.ReceiptPay model = new Model.ReceiptPay(); //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) { str1.Append(p.Name + ",");//拼接字段 } strSql.Append("select top 1 " + str1.ToString().Trim(',')); strSql.Append(" from MS_ReceiptPay"); strSql.Append(" where rp_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> /// 增加一条数据 /// </summary> public int Add(Model.ReceiptPay model, SqlConnection conn = null, SqlTransaction tran = null) { 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 MS_ReceiptPay("); foreach (PropertyInfo pi in pros) { //如果不是主键则追加sql字符串 if (!pi.Name.Equals("rp_id")) { //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 = 0; if (tran == null) { obj = DbHelperSQL.GetSingle(strSql.ToString(), paras.ToArray()); } else { obj = DbHelperSQL.GetSingle(conn, tran, strSql.ToString(), paras.ToArray()); } if (obj == null) { return(0); } else { return(Convert.ToInt32(obj)); } }
/// <summary> /// 将对象转换实体 /// </summary> public Model.ReceiptPay DataRowToModel(DataRow row) { Model.ReceiptPay model = new Model.ReceiptPay(); if (row != null) { //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 } } } return(model); }
/// <summary> /// 更新一条数据 /// </summary> public bool Update(Model.ReceiptPay model, bool isChangeMethod = false) { 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 MS_ReceiptPay set "); foreach (PropertyInfo pi in pros) { //如果不是主键则追加sql字符串 if (!pi.Name.Equals("rp_id")) { //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 rp_id=@id "); paras.Add(new SqlParameter("@id", model.rp_id)); if (DbHelperSQL.ExecuteSql(strSql.ToString(), paras.ToArray()) > 0) { if (isChangeMethod) { DbHelperSQL.ExecuteSql("update MS_ReceiptPayDetail set rpd_method=" + model.rp_method + " where rpd_rpid=" + model.rp_id + ""); } return(true); } return(false); }