/// <summary>
/// 新增方法
/// </summary>
/// <param name="tablename">表名</param>
/// <param name="rec">参数</param>
/// <returns></returns>
public ReResult Inserts(string tablename, List <Record> rec, bool transaction = false)
{
var re = new ReResult();
if (rec.IsBlank())
{
return(re.setCode(400, "未添加有效数据"));
}
var list = rec.Select(x => new Curd(tablename, x, Operation.Insert)).ToList();
return(SaveBeans(list, transaction, re));
}
/// <summary>
/// 删除方法
/// </summary>
/// <param name="tablename">表名</param>
/// <param name="cox">条件</param>
/// <returns></returns>
public ReResult Delete(string tablename)
{
var re = new ReResult();
if (tablename.IsBlank())
{
return(re.setCode(400, "未添加有效数据"));
}
return(SaveBeans(new List <Curd>()
{
new Curd(tablename, new Record(), Operation.Clear)
}, false, re));
}
/// <summary>
/// 删除方法
/// </summary>
/// <param name="tablename">表名</param>
/// <param name="cox">条件</param>
/// <returns></returns>
public ReResult Delete(string tablename, Record cox, Record rec)
{
var re = new ReResult();
if (cox.IsBlank())
{
return(re.setCode(400, "未添加有效数据"));
}
return(SaveBeans(new List <Curd>()
{
new Curd(tablename, cox, Operation.Delete, rec)
}, false, re));
}
/// <summary>
/// 新增方法
/// </summary>
/// <param name="tablename">表名</param>
/// <param name="rec">参数</param>
/// <returns></returns>
public ReResult Insert(string tablename, Record rec)
{
var re = new ReResult();
if (rec.IsBlank())
{
return(re.setCode(400, "未添加有效数据"));
}
return(SaveBeans(new List <Curd>()
{
new Curd(tablename, rec, Operation.Insert)
}, false, re));
}
/// <summary>
/// 保存
/// </summary>
/// <param name="rec">操作值</param>
/// <param name="transaction">是否启用事务</param>
/// <param name="rex">返回值</param>
/// <returns></returns>
public ReResult SaveBeans(List <Curd> rec, bool transaction = false, ReResult rex = null)
{
rex = rex ?? new ReResult();
var list = new List <Record>();
var con = Connection();
if (con.code != 200)
{
return(rex.setCode(con.code, con.msg));
}
MySqlTransaction trans = null;
if (transaction)
{
trans = conn.BeginTransaction();
}
try
{
var sqls = new List <string>();
rec.ForEach(x =>
{
if (x.op == Operation.Insert && !x.list.IsBlank())
{
sqls.AddRange(x.getSqlList());
}
else
{
var ss = x.getSql();
if (!ss.IsBlank())
{
sqls.Add(ss);
}
}
});
foreach (var sql in sqls)
{
if (sql.IsBlank())
{
if (transaction && trans != null)
{
trans.Rollback();
}
list.Add(new Record("success", "false").Put("message", "sql语句错误"));
return(rex.setCode(400, "sql语句错误").setData(list));
}
MySqlCommand cmd = new MySqlCommand(sql, conn);
//执行ExecuteReader()返回一个MySqlDataReader对象
var i = cmd.ExecuteNonQuery();
if (i > 0)
{
list.Add(new Record("Success", "true").Put("Message", "").Put("Sql", sql));
continue;
}
if (transaction && trans != null)
{
trans.Rollback();
}
list.Add(new Record("Success", "false").Put("Message", "保存操作失败").Put("Sql", sql));
return(rex.setCode(400, "操作失败").setData(list));
}
if (transaction && trans != null)
{
trans.Commit();
}
return(rex.setData(list));
}
catch (Exception ex)
{
if (transaction && trans != null)
{
trans.Rollback();
}
return(rex.setCode(500, ex.Message).setData(list));
}
finally
{
Close();
}
}