/// <summary>
/// 得到一个对象实体
/// </summary>
public Model.Order GetModel(string id)
{
StringBuilder strSql = new StringBuilder();
StringBuilder str1 = new StringBuilder();
Model.Order model = new Model.Order();
//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_Order");
strSql.Append(" where o_id=@id");
SqlParameter[] parameters =
{
new SqlParameter("@id", SqlDbType.VarChar, 11)
};
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>
/// 更新一条数据
/// </summary>
public bool Update(Model.Order model)
{
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_Order set ");
foreach (PropertyInfo pi in pros)
{
//如果不是主键则追加sql字符串
if (!pi.Name.Equals("o_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 o_id=@id ");
paras.Add(new SqlParameter("@id", model.o_id));
return(DbHelperSQL.ExecuteSql(strSql.ToString(), paras.ToArray()) > 0);
}
/// <summary>
/// 将对象转换实体
/// </summary>
public Model.Order DataRowToModel(DataRow row)
{
Model.Order model = new Model.Order();
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
}
}
}
#region 订单人员======================
StringBuilder strSql2 = new StringBuilder();
strSql2.Append("select * from MS_OrderPerson");
strSql2.Append(" where op_oid=@oid");
SqlParameter[] parameters2 =
{
new SqlParameter("@oid", SqlDbType.VarChar, 20)
};
parameters2[0].Value = model.o_id;
DataTable dt2 = DbHelperSQL.Query(strSql2.ToString(), parameters2).Tables[0];
if (dt2.Rows.Count > 0)
{
int rowsCount = dt2.Rows.Count;
List <Model.OrderPerson> models = new List <Model.OrderPerson>();
Model.OrderPerson modelt;
for (int n = 0; n < rowsCount; n++)
{
modelt = new Model.OrderPerson();
Type modeltType = modelt.GetType();
for (int i = 0; i < dt2.Rows[n].Table.Columns.Count; i++)
{
PropertyInfo proInfo = modeltType.GetProperty(dt2.Rows[n].Table.Columns[i].ColumnName);
if (proInfo != null && dt2.Rows[n][i] != DBNull.Value)
{
proInfo.SetValue(modelt, dt2.Rows[n][i], null);
}
}
models.Add(modelt);
}
model.personlist = models;
}
#endregion
return(model);
}
/// <summary>
/// 增加一条数据
/// </summary>
public bool AddOrder(Model.Order model)
{
#region 插入订单表语句
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_Order(");
foreach (PropertyInfo pi in pros)
{
//拼接字段，忽略List<T>
if (!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(") ");
#endregion
bool result = false;
using (SqlConnection conn = new SqlConnection(DbHelperSQL.connectionString))
{
conn.Open();//打开数据连接
using (SqlTransaction trans = conn.BeginTransaction())
{
try
{
#region 插入订单表======================
int obj = DbHelperSQL.ExecuteSql(conn, trans, strSql.ToString(), paras.ToArray());
#endregion
#region 插入人员表==========================
if (obj > 0)
{
string sql = "insert into MS_OrderPerson(op_oid,op_type,op_number,op_name,op_area,op_dstatus,op_addTime) values(@oid,@type,@number,@name,@area,@status,@addtime)";
foreach (OrderPerson person in model.personlist)
{
person.op_oid = model.o_id;
SqlParameter[] meter = new SqlParameter[] {
new SqlParameter("@oid", SqlDbType.VarChar, 11),
new SqlParameter("@type", SqlDbType.TinyInt, 4),
new SqlParameter("@number", SqlDbType.VarChar, 5),
new SqlParameter("@name", SqlDbType.VarChar, 20),
new SqlParameter("@area", SqlDbType.VarChar, 2),
new SqlParameter("@status", SqlDbType.TinyInt, 4),
new SqlParameter("@addtime", SqlDbType.DateTime, 20)
};
meter[0].Value = person.op_oid;
meter[1].Value = person.op_type;
meter[2].Value = person.op_number;
meter[3].Value = person.op_name;
meter[4].Value = person.op_area;
meter[5].Value = person.op_dstatus;
meter[6].Value = person.op_addTime;
DbHelperSQL.ExecuteSql(conn, trans, sql, meter);
}
trans.Commit();
result = true;
}
#endregion
}
catch (Exception err)
{
trans.Rollback(); //回滚事务
result = false;
}
}
}
return(result);
}