如何使用Kotlin通过POST方法进行HTTP请求 [英] How to HTTP request by POST method with Kotlin
本文介绍了如何使用Kotlin通过POST方法进行HTTP请求的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我是Kotlin开发人员.请教我在Kotlin中使用httpRequest.
I'm new a kotlin dev. please teach me to use httpRequest in Kotlin.
问题 -如果要向API服务请求,并且必须使用post方法发送带有json对象的请求正文,该如何编写?
Question - If I want to request to API service and I must to send request body with json object by use post method, How I write??
感谢帮助.
推荐答案
您可以使用outputStream.write(postData)
写入数据.
You can write your data using outputStream.write(postData)
.
fun pushToChat(message: String) {
val serverURL: String = "your URL"
val url = URL(serverURL)
val connection = url.openConnection() as HttpURLConnection
connection.requestMethod = "POST"
connection.connectTimeout = 300000
connection.connectTimeout = 300000
connection.doOutput = true
val postData: ByteArray = message.toByteArray(StandardCharsets.UTF_8)
connection.setRequestProperty("charset", "utf-8")
connection.setRequestProperty("Content-lenght", postData.size.toString())
connection.setRequestProperty("Content-Type", "application/json")
try {
val outputStream: DataOutputStream = DataOutputStream(connection.outputStream)
outputStream.write(postData)
outputStream.flush()
} catch (exception: Exception) {
}
if (connection.responseCode != HttpURLConnection.HTTP_OK && connection.responseCode != HttpURLConnection.HTTP_CREATED) {
try {
val inputStream: DataInputStream = DataInputStream(connection.inputStream)
val reader: BufferedReader = BufferedReader(InputStreamReader(inputStream))
val output: String = reader.readLine()
println("There was error while connecting the chat $output")
System.exit(0)
} catch (exception: Exception) {
throw Exception("Exception while push the notification $exception.message")
}
}
}
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