Scala Http请求工具类

import java.io.IOException

import java.util

import org.apache.http.client.ClientProtocolException

import org.apache.http.client.entity.UrlEncodedFormEntity

import org.apache.http.client.methods.{HttpGet, HttpPost}

import org.apache.http.impl.client.{DefaultHttpClient, HttpClients}

import org.apache.http.message.BasicNameValuePair

import org.apache.http.util.EntityUtils

import org.slf4j.LoggerFactory

import scala.collection.JavaConversions._

import scala.reflect.macros.ParseException

object HttpClientUtils {

val logger = LoggerFactory.getLogger("out")

def get(url: String): String = {

val httpclient = new DefaultHttpClient()

try {

// 创建httpget.

val httpget = new HttpGet(url)

// 执行get请求.

val response = httpclient.execute(httpget)

try {

// 获取响应实体

val entity = response.getEntity()

EntityUtils.toString(entity, "utf-8")

} finally {

response.close()

}

} catch {

case ex: ClientProtocolException => {logger.error(ex.getMessage);null}

case ex: ParseException => {logger.error(ex.getMessage);null}

case ex: IOException => {logger.error(ex.getMessage);null}

} finally {

// 关闭连接,释放资源

httpclient.close()

}

}

def post(url: String, map: Map[String,String]): String = {

//创建httpclient对象

val client = HttpClients.createDefault

try {

//创建post方式请求对象

val httpPost = new HttpPost(url)

//装填参数

val nvps:util.ArrayList[BasicNameValuePair] = new util.ArrayList[BasicNameValuePair]

if (map != null) {

for (entry <- map.entrySet) {

nvps.add(new BasicNameValuePair(entry.getKey, entry.getValue))

}

}

//设置参数到请求对象中

httpPost.setEntity(new UrlEncodedFormEntity(nvps, "UTF-8"))

//执行请求操作，并拿到结果（同步阻塞）

val response = client.execute(httpPost)

//获取结果实体

val entity = response.getEntity

var body = ""

if (entity != null) { //按指定编码转换结果实体为String类型

body = EntityUtils.toString(entity, "UTF-8")

}

//释放链接

response.close()

body

} finally {

client.close()

}

}

}