java、php、python的开发效率对比

我对java最熟悉，对php和python只是了解，实际工作中也没有真正用过，昨天一个合作方发过来一个service api的demo实现，里面有java，php和python三种实现，打开一看，第一眼就被python这类脚本语言所折服，单从代码量上来说，差别实在是太大，如果都是熟手开发，业务场景也正好适合该语言的话，开发效率自然就不用再说：

扣除掉注释之后：java 56行；php：30行；python：15行

不得不再次感叹脚本的威力

package com.test.http;import java.io.*;import java.net.HttpURLConnection;import java.net.URL;import java.security.MessageDigest;import java.math.BigInteger;public class ApiDemo{public static void sendRequest(String id, String secureKey) throws IOException{URL request = new URL("xxxxxx?id="+id);HttpURLConnection connection = (HttpURLConnection)request.openConnection();connection.setDoOutput(true);connection.setDoInput(true);connection.setRequestMethod("POST");connection.setUseCaches(false);connection.setInstanceFollowRedirects(true);connection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");connection.connect();String scanParam = "{\"scanlist\":[{\"sid\":\"123\", \"url\":\"http://dl.test.com/test.apk\", \"md5\":\"3d41f29d762ec547bfa4b42f57f3dc7c\"}]}";String authKey = getStringMd5(scanParam + id + secureKey);String post = "authkey=" + authKey + "&request=" + scanParam;        DataOutputStream writeStream = new DataOutputStream(connection.getOutputStream());        writeStream.writeBytes(post);         writeStream.flush();        writeStream.close();                 BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));        String line="";        while ((line = reader.readLine()) != null){            System.out.println(line);        }        reader.close();        connection.disconnect();    }public static String getStringMd5(String src) {  MessageDigest md;  StringBuilder md5 = new StringBuilder();try{  md = MessageDigest.getInstance("md5");      md.update(src.getBytes());          for (byte b : md.digest()) {    md5.append(String.format("%02x", b));    }} catch (Exception e) {  e.printStackTrace();  }    return md5.toString();}public static void main(String[] args) throws Exception {    try {    sendRequest("test", "123456");    } catch (IOException e) {        e.printStackTrace();    }}}

<?php$id="test";$secure_key="123456";$api_url="http://xxxxx?id=".$id;$scan_parm="{\"scanlist\":[{\"sid\":\"123\", \"url\":\"http://dl.test.com/test.apk\", \"md5\":\"3d41f29d762ec547bfa4b42f57f3dc7c\"}]}";$authkey=md5($scan_parm.$id.$secure_key);$post="authkey=".$authkey."&request=".$scan_parm;$url_info=parse_url($api_url);if(!isset($url_info["port"])){$url_info["port"]=80;}$request.="POST ".$url_info["path"]."?".$url_info["query"]." HTTP/1.1\r\n";$request.="Host: ".$url_info["host"]."\r\n";$request.="Cache-Control: no-cache\r\n";$request.="Content-type: application/x-www-form-urlencoded\r\n";$request.="Accept: text/html\r\n";$request.="Content-length: ".strlen($post)."\r\n";$request.="Connection: close\r\n";$request.="\r\n";$request.=$post;$fp = fsockopen($url_info["host"], $url_info["port"]);if(!$fp){   echo "$errstr($errno)\n";   }fwrite($fp, $request);while(!feof($fp)){    $response .= fgets($fp, 128);}echo "$response\n";?>

#!/usr/bin/pythonimport httplib, md5 if __name__ == "__main__":    id="test"    secure_key="123456"    scan_param='{"scanlist":[{"sid":"123", "url":"http://xxxxx/test.apk", "md5":"3d41f29d762ec547bfa4b42f57f3dc7c"}]}"'    authkey=md5.new(scan_param + id + secure_key).hexdigest()    post= "authkey=%s&request=%s" %(authkey, scan_param)     domain="xxxxx"    url_path = "/api/scansoft?id="+id    headers = {"Content-type": "application/x-www-form-urlencoded"}    connect = httplib.HTTPConnection(domain)    connect.request("POST", url_path, post, headers)    res = connect.getresponse()      print res.read()