Differences

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--- jsonmcjason [2025/02/09 01:47] – created jwan
+++ jsonmcjason [2025/10/10 10:15] (current) – external edit 127.0.0.1
@@ Line 21: / Line 21: @@
 </code>
+Add into json variable
+<code>
+   Js.Add('key1').AsInteger := 1;
+   Js.Add('key2').AsBoolean := True;
+   Js.Add('key3').AsNumber  := 1.234;
+   Js.Add('key4').AsString  := 'value 1';
+   // add an array
+   Json.Add('array', jitArray);
+   for i := 1 to 3 do Js['array'].Add.AsInteger := i;
+</code>
+Check if a key exist
+<code>
+   if js.HasKey('key1') then MessageDlg('Key found');
+</code>
+To update value of key
+<code>
+   if js.HasKey(key) then begin
+      js.Delete(key);
+      js.Add(key).AsString := value;
+   end;
+</code>
+To get value of key
+<code>
+   ShowMessage(js.Values[key].AsString);
+</code>
+Parsing line break solution
+<code>
+   js.add(key).asstring := stringreplace(value,slinkbreak,' ',[rfreplaceall]);
+</code>
+Check if a string is a valid json
+<code>
+   try
+      js.asjson := '{"i": 123, "f": 123.456, "s": "abc", "b": true, "n": null}';
+   except
+      showmessage('not valid json');
+   end;
+</code>
+Display the whole json string
+<code>
+   showmessage(js.asjson);
+</code>
+More info at https://github.com/hydrobyte/McJSON