Flutter SOAP:如何在 Flutter 中使用 SOAP?

Flutter SOAP: How to using SOAP in Flutter?

如何在 Flutter 中使用 SOAP Api 调用?我试过休息电话工作正常。我需要在 flutter 中构建 SOAP 调用。请分享如何在 flutter 中调用 SOAP

参考这个 link 成功调用 SOAP https://dartpad.dartlang.org/2561dd3579e45d1eb730

void functionCall() async {
    var envelope = '''
<?xml version="1.0" encoding="utf-8"?>
<soap:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:xsd="http://www.w3.org/2001/XMLSchema"
xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
  <soap:Body>
    <GetAllCity xmlns="http://tempuri.org/" />
  </soap:Body>
</soap:Envelope>
''';

    http.Response response = await http.post(
        'http://www.i2isoftwares.com/SSKSService/sskss.asmx',
        headers: {
          "Content-Type": "text/xml; charset=utf-8",
          "SOAPAction": "http://tempuri.org/GetAllCity",
          "Host": "www.i2isoftwares.com"
          //"Accept": "text/xml"
        },
        body: envelope);

    var rawXmlResponse = response.body;

// Use the xml package's 'parse' method to parse the response.
    xml.XmlDocument parsedXml = xml.parse(rawXmlResponse);

    print("DATAResult=" + response.body);
  }