mormot json主从表
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mormot json主从表
//cxg 2021-6-2 mormot json主从表 unit service.tables; interface uses mormot, sysutils, yn.log, yn.Unidac, yn.UnidacPool, SynCrtSock, Classes, SynCommons, SynVirtualDataSet; type TMasterTable = class(mORMot.TSQLRecord) //主表 private fBillId: RawUTF8; fOperator: RawUTF8; published property BillId: RawUTF8 read fBillId write fBillId; property operator: RawUTF8 read fOperator write fOperator; end; TDetailTable = class(mORMot.TSQLRecord) //从表 private fProductId: RawUTF8; fProductName: RawUTF8; published property ProductId: RawUTF8 read fProductId write fProductId; property ProductName: RawUTF8 read fProductName write fProductName; end; function serial(const url: sockstring): SockString; procedure deserial(const json: string); implementation procedure deserial(const json: string); var mtable: TMasterTable; dtable: TDetailTable; js: TDocVariantData; m, d, tmp: string; begin js.InitJSON(json); m := utf8toansi(js.GetValueByPath([\'mtable\'])); //主表 mtable := TMasterTable.CreateAndFillPrepare(m); while mtable.FillOne do begin tmp := mtable.BillId; tmp := mtable.operator; end; mtable.Free; d := utf8toansi(js.GetValueByPath([\'dtable\'])); //从表 dtable := TDetailTable.CreateAndFillPrepare(d); while dtable.FillOne do begin tmp := dtable.ProductId; tmp := dtable.ProductName; end; dtable.Free; end; function serial(const url: sockstring): SockString; //get url: /tables/{accountno} var i: Integer; mTable: TMasterTable; dTable: TDetailTable; m, d: string; jo: Variant; begin m := \'[\'; for i := 1 to 2 do //生成主表数据 begin TMasterTable.AutoFree(mTable); mTable.BillId := inttostr(i); mtable.operator := \'name\' + inttostr(i); if i < 2 then m := m + mtable.GetJSONValues(true, false, soselect) + \',\' else m := m + mtable.GetJSONValues(true, false, soselect); end; m := m + \']\'; d := \'[\'; for i := 1 to 2 do //生成从表数据 begin TDetailTable.AutoFree(dTable); dTable.ProductId := inttostr(i); dtable.ProductName := \'p\' + inttostr(i); if i < 2 then d := d + dtable.GetJSONValues(true, false, soselect) + \',\' else d := d + dtable.GetJSONValues(true, false, soselect); end; d := d + \']\'; TDocVariant.New(jo); jo.mTable := _JSon(m); //生成主从表数据 jo.dTable := _JSon(d); result := ansitoutf8(VariantSaveJSON(jo)); //{"mTable":[{"BillId":"1","operator":"name1"},{"BillId":"2","operator":"name2"}],"dTable":[{"ProductId":"1","ProductName":"p1"},{"ProductId":"2","ProductName":"p2"}]} end; end.
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