【FOL】第六周

function TFOLNetScriptPackage.sendGateMsgData(L: lua_State): Integer;
var
  lvRequireMsgcode, lvCallbackEventID: Integer;
  lvParamsTableName, lvParamName: string;
  lvParamCount, i, lvVType: Integer;
  lvMsgData: TSimpleMsgPack;
begin
{
  param_1 = lua.self(?, ignore),
  param_2 = requireMsgCode(integer),
  param_3 = callbackEventID(integer),
  param_4 = lua.tableName(string)
  param_5 = lua.data(table)

  lua.data = ｛
     [1] = ｛type=integer, name=string, value=string/integer/float/boolean｝,
     [2] = ｛type=integer, name=string, value=string/integer/float/boolean｝,
     [3] = ｛type=integer, name=string, value=string/integer/float/boolean｝,
     ...
  ｝
}
  lvRequireMsgcode:= lua_tointeger(L, 2);
  lvCallbackEventID:= lua_tointeger(L, 3);
  lvMsgData:= TSimpleMsgPack.Create;
  try
    lvParamsTableName:= lua_tostring(L, 4);
    lua_getglobal(L, PAnsiChar(AnsiString(lvParamsTableName)));
    lvParamCount:= lua_rawlen(L, -1);
    for i:= 1 to lvParamCount do
    begin
      //压入主表的第i条记录(一个table)
      lua_pushinteger(L, i);
      lua_rawget(L,-2);

      //压入当前子表的第 1 个字段: type
      lua_pushstring(L, ‘type‘);
      lua_rawget(L,-2);
      lvVType:= lua_tointeger(L,-1);
      lua_pop(L, 1);

      //压入当前子表的第 2 个字段: name
      lua_pushstring(L, ‘name‘);
      lua_rawget(L,-2);
      lvParamName:= lua_tostring(L,-1);
      lua_pop(L, 1);

      //压入当前子表的第 3 个字段: value
      lua_pushstring(L, ‘value‘);
      lua_rawget(L,-2);
      case lvVType of
        ord(mptString) : lvMsgData.Add(lvParamName,lua_tostring(L,-1));
        ord(mptInteger): lvMsgData.Add(lvParamName,lua_tointeger(L,-1));
        ord(mptFloat)  : lvMsgData.Add(lvParamName,lua_tonumber(L,-1));
        ord(mptBoolean): lvMsgData.Add(lvParamName,Boolean(lua_toboolean(L,-1)));
      end;
      lua_pop(L, 1);

      //弹出本记录(一个table)，不然取不到下一条记录
      lua_pop(L, 1);
    end;
    gvNetManager.sendGateMsgData(lvRequireMsgcode,lvMsgData,lvCallbackEventID);
  finally
    FreeAndNil(lvMsgData);
  end;
end;