Android 使用NanoHTTPD 架设 Http Server + 客户端App 发送请求示例(含上传图片示例)

NanoHTTPD 简介

使用该 lib，可以在 Android 设备上，架设 Http Server。客户端(Client) App，请求 http://[serverIp]:[server端口]/… 访问服务。适用于，局域网内多安卓设备(一台作为服务器，其它作为客户端)间通信。

https://github.com/NanoHttpd/nanohttpd
依赖：implementation 'org.nanohttpd:nanohttpd:2.3.1'

Server 示例

import android.util.Log
import fi.iki.elonen.NanoHTTPD

class MyHTTPDServer(port: Int) : NanoHTTPD(port) {
   

    private var isTest = true

    override fun serve(session: IHTTPSession): Response {
   
        return if (isTest) test(session)
        else NanoHTTPD.newFixedLengthResponse("msg")
    }

    private fun test(session: IHTTPSession): Response {
   
        var msg = "test"
        if (session.method == Method.GET) {
   
            if (session.uri.contains("testHtml")) {
   
                val map = decodeParameters(session.queryParameterString)
                val sb = StringBuilder()
                sb.append("method: GET").appendLine()
                map.forEach {
    k, u ->
                    sb.append("key:$k, value:")
                    u.forEach {
   
                        sb.append("$it,")
                    }
                    sb.appendLine()
                }
                msg = sb.toString()
                Log.i("httpserver", "return msg: $msg")
                return NanoHTTPD.newFixedLengthResponse(msg)
            }
        } else if (session.method == Method.POST) {
   
            val map = mutableMapOf<String, String>()
            session.parseBody(map)
            session.parms?.forEach {
   
                Log.i("param", "serve: ${
     it.key} : ${
     it.value}")
            }
            if (session.uri.contains("beanData") && session.queryParameterString?.contains("imgData") == true) {
   
                Log.i("htt
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