如何将查询参数添加到Dart http请求？ [英] How do you add query parameters to a Dart http request?

问题描述

如何正确将查询参数添加到Dart http获取请求？尝试将‘？param1 = one& param2 = two’添加到我的网址时，我无法获得正确响应的请求，但是在Postman中可以正常使用。这是我的代码的要点：

How do you correctly add query parameters to a Dart http get request? I been unable to get my request to respond correctly when trying to append the '?param1=one&param2=two' to my url, yet it works correctly in Postman. Here's the gist of my code:

    final String url = "https://www.myurl.com/api/v1/test/";
    String workingStringInPostman = "https://www.myurl.com/api/v1/test/123/?param1=one&param2=two";

    Map<String, String> qParams = {
     'param1': 'one',
     'param2': 'two',
    };


   var res = await http
      .get(Uri.encodeFull("$url${widget.pk}/"),
      headers: {HttpHeaders.authorizationHeader: "Token $token", 
        HttpHeaders.contentTypeHeader: "application/json"},
);

$ {widget.pk}只是传递的整数值（请参见workingStringInPostman变量。

The ${widget.pk} is simply a integer value being pass (See the value 123 in the workingStringInPostman variable.

在需要使用Uri参数的情况下，qParams可以方便使用。

The qParams is there for connivence, in case a Uri parameter is needed.

A代码

推荐答案

您将要构造一个 Uri

You'll want to construct a Uri and use that for the request. Something like

var queryParameters = {
  'param1': 'one',
  'param2': 'two',
};
var uri =
    Uri.https('www.myurl.com', '/api/v1/test/${widget.pk}', queryParameters);
var response = await http.get(uri, headers: {
  HttpHeaders.authorizationHeader: 'Token $token',
  HttpHeaders.contentTypeHeader: 'application/json',
});

请参见 https://api.dartlang.org/stable/2.0.0/dart-core /Uri/Uri.https.html

这篇关于如何将查询参数添加到Dart http请求？的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！