QueryTableRows delphiAx Example
‐倈ెn style="color: rgb(0,123,181)">var
rest: TChilkatRest;
success: Integer;
authAws: TChilkatAuthAws;
json: TChilkatJsonObject;
sbRequestBody: TChilkatStringBuilder;
sbResponseBody: TChilkatStringBuilder;
respStatusCode: Integer;
jResp: TChilkatJsonObject;
strVal: WideString;
rowId: WideString;
j: Integer;
count_j: Integer;
format: WideString;
formattedValue: WideString;
formula: WideString;
rawValue: WideString;
k: Integer;
count_k: Integer;
nextToken: WideString;
workbookCursor: Integer;
i: Integer;
count_i: Integer;
begin
// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
rest := TChilkatRest.Create(Self);
authAws := TChilkatAuthAws.Create(Self);
authAws.AccessKey := 'AWS_ACCESS_KEY';
authAws.SecretKey := 'AWS_SECRET_KEY';
// Don't forget to change the region to your particular region. (Also make the same change in the call to Connect below.)
authAws.Region := 'us-west-2';
authAws.ServiceName := 'honeycode';
// SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
rest.SetAuthAws(authAws.ControlInterface);
// URL: https://honeycode.us-west-2.amazonaws.com/
// Use the same region as specified above.
success := rest.Connect('honeycode.us-west-2.amazonaws.com',443,1,1);
if (success <> 1) then
begin
Memo1.Lines.Add('ConnectFailReason: ' + IntToStr(rest.ConnectFailReason));
Memo1.Lines.Add(rest.LastErrorText);
Exit;
end;
// The following code creates the JSON request body.
// The JSON created by this code is shown below.
// Use this online tool to generate code from sample JSON:
// Generate Code to Create JSON
json := TChilkatJsonObject.Create(Self);
json.UpdateString('filterFormula.contextRowId','string');
json.UpdateString('filterFormula.formula','string');
json.UpdateInt('maxResults',123);
json.UpdateString('nextToken','string');
// The JSON request body created by the above code:
// {
// "filterFormula": {
// "contextRowId": "string",
// "formula": "string"
// },
// "maxResults": number,
// "nextToken": "string"
// }
rest.AddHeader('Content-Type','application/x-amz-json-1.1');
rest.AddHeader('X-Amz-Target','QueryTableRows');
sbRequestBody := TChilkatStringBuilder.Create(Self);
json.EmitSb(sbRequestBody.ControlInterface);
sbResponseBody := TChilkatStringBuilder.Create(Self);
success := rest.FullRequestSb('POST','/workbooks/{workbookId}/tables/{tableId}/rows/query',sbRequestBody.ControlInterface,sbResponseBody.ControlInterface);
if (success <> 1) then
begin
Memo1.Lines.Add(rest.LastErrorText);
Exit;
end;
respStatusCode := rest.ResponseStatusCode;
Memo1.Lines.Add('response status code = ' + IntToStr(respStatusCode));
if (respStatusCode <> 200) then
begin
Memo1.Lines.Add('Response Header:');
Memo1.Lines.Add(rest.ResponseHeader);
Memo1.Lines.Add('Response Body:');
Memo1.Lines.Add(sbResponseBody.GetAsString());
Exit;
end;
jResp := TChilkatJsonObject.Create(Self);
jResp.LoadSb(sbResponseBody.ControlInterface);
// The following code parses the JSON response.
// A sample JSON response is shown below the sample code.
// Use this online tool to generate parsing code from sample JSON:
// Generate Parsing Code from JSON
nextToken := jResp.StringOf('nextToken');
workbookCursor := jResp.IntOf('workbookCursor');
i := 0;
count_i := jResp.SizeOfArray('columnIds');
while i < count_i do
begin
jResp.I := i;
strVal := jResp.StringOf('columnIds[i]');
i := i + 1;
end;
i := 0;
count_i := jResp.SizeOfArray('rows');
while i < count_i do
begin
jResp.I := i;
rowId := jResp.StringOf('rows[i].rowId');
j := 0;
count_j := jResp.SizeOfArray('rows[i].cells');
while j < count_j do
begin
jResp.J := j;
format := jResp.StringOf('rows[i].cells[j].format');
formattedValue := jResp.StringOf('rows[i].cells[j].formattedValue');
formula := jResp.StringOf('rows[i].cells[j].formula');
rawValue := jResp.StringOf('rows[i].cells[j].rawValue');
k := 0;
count_k := jResp.SizeOfArray('rows[i].cells[j].formattedValues');
while k < count_k do
begin
jResp.K := k;
strVal := jResp.StringOf('rows[i].cells[j].formattedValues[k]');
k := k + 1;
end;
j := j + 1;
end;
i := i + 1;
end;
// A sample JSON response body parsed by the above code:
// {
// "columnIds": [
// "string"
// ],
// "nextToken": "string",
// "rows": [
// {
// "cells": [
// {
// "format": "string",
// "formattedValue": "string",
// "formattedValues": [
// "string"
// ],
// "formula": "string",
// "rawValue": "string"
// }
// ],
// "rowId": "string"
// }
// ],
// "workbookCursor": number
// }