适用于Firemonkey的Json解析对象XsuperObject使用方法介绍

2023-04-25,,

XSuperObject是适用于FileMonkey平台的JSON解析组件,能够在Android,IOS,MACOS,WINDOWS等多个平台使用

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Sample JSON

{
"name":"Onur YILDIZ",
"vip":true,
"telephones":["000000000","111111111111"],
"age":24,
"size":1.72,
"adresses":[
{
"adress":"blabla",
"city":"Antalya",
"pc":7160
},
{
"adress":"blabla",
"city":"Adana",
"pc":1170
}
]
}

Delphi Code

var
X:ISuperObject;
begin
X :=TSuperObject.Create('{}');
X.S['name']:='Onur YILDIZ';
X.B['vip']:=true;
with X.A['telephones']do
begin
Add('');
Add('');
end;
X.I['age']:=;
X.F['size']:=1.72;
with X.A['adresses'].O[]{AutoCreate}do
begin
S['adress']:='blabla';
S['city']:='Antalya';
I['pc']:=;
end;
// or
X.A['adresses'].O[].S['adress']:='blabla';
X.A['adresses'].O[].S['city']:='Adana';
X.A['adresses'].O[].I['pc']:=;

Super Expression

const
JSON ='{ "o": { '+
' "1234567890": {'+
' "last use date": "2010-10-17T01:23:20",'+
' "create date": "2010-10-17T01:23:20",'+
' "name": "iPhone 8s"'+
' }'+
' },'+
' "Index": 0, '+
' "Data": {"Index2": 1}, '+
' "a": [{'+
' "last use date": "2010-10-17T01:23:20",'+
' "create date": "2010-11-17T01:23:20",'+
' "name": "iPhone 8s",'+
' "arr": [1,2,3] '+
' }, '+
' {'+
' message: "hello"'+
' }]'+
'}'; var
X:ISuperObject;
NewJSon:ISuperObject;
NewArray:ISuperArray;
begin
X := SO(JSON);
ShowMessage( X['o."1234567890"."last use date"'].AsString);
ShowMessage( X['a[Index]."create date"'].AsString);
ShowMessage( X['a[Data.Index2].message'].AsString);
X['a[0].arr'].AsArray.Add('test1');
// -----
NewJSON:= X['{a: a[Index], b: a[Data.Index2].message, c: o."1234567890".name, d: 4, e: a[0].arr[2], f: " :) "}'].AsObject;
NewArray:= X['[a[Index], a[Data.Index2].message, Data.Index2, Index, 1, "1", "test"]'].AsArray;
end;

Variant

var
X:ISuperObject;
begin
X :=TSuperObject.Create;
X.V['A']:=;
X.V['B']:='';
X.V['C']:=1.3;
X.V['D']:=False;
X.V['E']:=Null;
Memo1.Lines.Add(X.AsJSON);
end;

Output

{"A":1,"B":"2","C":1.3,"D":false,"E":null}

Sample 2

const
JSN ='{ '+
' "adresses": [ '+
' { '+
' "adress": "blabla", '+
' "city": "Antalya", '+
' "pc": 7160 '+
' },'+
' { '+
' "adress": "blabla", '+
' "city": "Adana", '+
' "pc": 1170 '+
' } '+
' ] '+
'}';
var
X,Obj:ISuperObject;
J:Integer;
begin
X :=TSuperObject.Create(JSN);
with X.A['adresses']do
for J := to Lenght-1do
begin
Obj:= O[J];
Obj.First;
whilenotObj.EoFdo
begin
Memo1.Lines.Add(Obj.CurrentKey+' = '+VarToStr(Obj.CurrentValue.AsVariant));
Obj.Next;
end;
Memo1.Lines.Add('------');
end;
end;

OR (Enumerator)

var
X:ISuperObject;
AMember,
OMember:IMember;
begin
X :=TSuperObject.Create(JSN); forAMemberin X.A['adresses']do
begin
forOMemberinAMember.AsObjectdo
Memo1.Lines.Add(OMember.Name+' = '+OMember.ToString); Memo1.Lines.Add('------');
end;

Output

adress = blabla
city =Antalya
pc =7160
------
adress = blabla
city =Adana
pc =1170

Marshalling

type

  TTestSet=(ttA, ttB, ttC);

  TTestSets=set of TTestSet;

  TSubRec= record
A:Integer;
B:String;
end; TSubObj=class
A:Integer;
B:Integer;
end; TTest=class// Field, Property Support
private
FB:String;
FSubObj:TSubObj;
FSubRec:TSubRec;
FTestSets:TTestSets;
public
A:Integer;
B:TTestSet;
C:Boolean;
property D:String read FB write FB;
property E:TSubRec read FSubRec write FSubRec;
property F:TSubObj read FSubObj write FSubObj;
property G:TTestSets read FTestSets write FTestSets;
end; TTestRec= record // Only Field Support
A:Integer;
B:TTestSet;
C:Boolean;
D:String;
E:TSubRec;
F:TSubObj;
G:TTestSets;
end; implementation
... var
Parse:TTest;// For Class;
S:String;
begin
Parse:=TTest.FromJSON('{"A": 1, "B": 0, "C": true, "D": "Hello", "E":{"A": 3, "B": "Delphi"}, "F": {"A": 4, "B": 5}, "G": [0,2]}');
S :=Parse.AsJSON;
end; ...
var
Parse:TTestRec;// For Record;
S:String;
begin
Parse:=TSuperRecord<TTestRec>.FromJSON('{"A": 1, "B": 0, "C": true, "D": "Hello", "E":{"A": 3, "B": "Delphi"}, "F": {"A": 4, "B": 5}, "G": [0,2]}');
S :=TSuperRecord<TTestRec>.AsJSON(Parse);
end;
  

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