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superobject.pas单元对json的解析非常方便, 力荐
下面演示对如下json的解析
{ "userid": "u0001", "info": [ { "url": "rtmp://192.168.3.159/livepkgr/66?adbe-live-event=liveevent", "lng": 105.97505, "lat": 34.271555, "id": "0001", "memo": "S.H.E 001" },{ "url": "rtmp://192.168.3.159/livepkgr/66?adbe-live-event=liveevent", "lng": 114.658574, "lat": 32.106045, "id": "0002", "memo": "S.H.E 002" },{ "url": "rtmp://192.168.3.159/livepkgr/66?adbe-live-event=liveevent", "lng": 112.818844, "lat": 26.563882, "id": "0003", "memo": "S.H.E 003" },{ "url": "rtmp://192.168.3.159/livepkgr/66?adbe-live-event=liveevent", "lng": 104.687239, "lat": 29.534077, "id": "0004", "memo": "S.H.E 004" }], "area": "sz01" }
procedure TForm1.btn1Click(Sender: TObject);
var
s:String;
i: Integer;
jfields,jitems,jo:ISuperObject;
begin
jitems:=SA([]);
jo:=SO();
jo.S[‘area‘] := ‘sz01‘;
jo.S[‘userid‘] := ‘u0001‘;
for i := 0 to 3 do
begin
jfields:=SO();
jfields.S[‘id‘]:= Format(‘%.4d‘, [i+1]);
jfields.D[‘lng‘]:= 102.0909;
jfields.D[‘lat‘]:= 33.9888;
jfields.S[‘url‘]:=‘rtmp://192.168.3.159/livepkgr/66?adbe-live-event=liveevent‘;
jfields.S[‘memo‘]:=‘S.H.E 00‘+ IntToStr(i+1);
jitems.AsArray.Add(jfields);
end;
jo.O[‘info‘]:=jitems;
s := jo.AsJSon(True, False);
mmo1.Text := s;
end;
procedure TForm1.btn2Click(Sender: TObject);
var
jo,m:ISuperobject;
i,j:Integer;
tt:TSuperArray;
s:string;
lst:TStringList;
begin
if mmo1.Text <>‘‘ then
begin
lst:=TStringList.Create;
jo:=so(mmo1.Text);
tt:=jo.O[‘info‘].AsArray;
for i:=0 to tt.Length-1 do
begin
s:=tt.O[i].S[‘id‘];
lst.Add(s);
end;
ShowMessage(lst.Text) ;
lst.Free;
end;
end;
点此下载该单元文件
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原文地址：http://www.cnblogs.com/doorsky/p/4514781.html
