Question 231899 in Flutter Question posted in
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How to post a list in post request flutter with http like this parameter "test_id[]"?

'patient_age': patientAge!,
    'test_date': testdate!,
    "test_id[]": testIDs[0].toString(),

The api i got takes "test_id[]" repeatedly for list of test ids in body and in postman the api testing is working fine.
But when I try this test_id[] in body it shows map doesn’t accept same key. How can I send a list in this pattern?
See The pattern in postman - screenshot

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2

Answers


  1. 0

    You should try:

    "test_id":testIDs
    • key is test_id
    • value is testIDs (data type is List)
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  2. 0

    This is not supported in HttpClient from the http package (c.f. https://github.com/dart-lang/http/issues/47).

    However, it seems that it’s possible using the dio package: https://pub.dev/documentation/dio/latest/dio/ListFormat.html

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