HTTP 请求

Get Request

import java.net.URLEncoder

import org.apache.http.client.methods.HttpGet
import org.apache.http.impl.client.HttpClients

def get(url: String, headers: Map[String, String], data: Map[String, String]): String = {
    val httpClient = HttpClients.createDefault()    
    // 组装参数
    var dataArray: Array[String] = Array()
    for ((k, v) <- data) {
        val encodeValue = URLEncoder.encode(v, "utf-8")
        dataArray :+= s"$k=$encodeValue"
    }
    val dataStr = dataArray.mkString("&")
    val request = new HttpGet(s"$appUrl?$dataStr")
    for ((k, v) <- headers) request.addHeader(k, v)
    val response = httpClient.execute(request)
    val handler = new org.apache.http.impl.client.BasicResponseHandler()
    val result = handler.handleResponse(response).trim
    httpClient.close()
    result
}

Post Request

import org.apache.http.NameValuePair
import org.apache.http.client.entity.UrlEncodedFormEntity
import org.apache.http.client.methods.HttpPost
import org.apache.http.impl.client.HttpClients
import org.apache.http.message.BasicNameValuePair 

def post(url: String, headers: Map[String, String], data: Map[String, String]): String = {
    val httpClient = HttpClients.createDefault()
    val request = new HttpPost(url)
    for ((k, v) <- headers) request.addHeader(k, v)
    val nameValuePairs = new java.util.ArrayList[NameValuePair]()
    for ((k, v) <- data) nameValuePairs.add(new BasicNameValuePair(k, v))
    request.setEntity(new UrlEncodedFormEntity(nameValuePairs))
    val response = httpClient.execute(request)
    val handler = new org.apache.http.impl.client.BasicResponseHandler()
    val result = handler.handleResponse(response).trim
    httpClient.close()
    result
}