<?php
header('Content-type:text/html;charset=utf-8');
//配置您申请的appkey
$appkey = "*********************";
//************1.根据城市查询天气************
$url = "http://op.juhe.cn/onebox/weather/query";
$params = array(
    "cityname" => "",//要查询的城市，如：温州、上海、北京
    "key" => $appkey,//应用APPKEY(应用详细页查询)
    "dtype" => "",//返回数据的格式,xml或json，默认json
);
$paramstring = http_build_query($params);
$content = juhecurl($url,$paramstring);
$result = json_decode($content,true);
if($result){
    if($result['error_code']=='0'){
        print_r($result);
    }else{
        echo $result['error_code'].":".$result['reason'];
    }
}else{
    echo "请求失败";
}
//**************************************************





/**
 * 请求接口返回内容
 * @param  string $url [请求的URL地址]
 * @param  string $params [请求的参数]
 * @param  int $ipost [是否采用POST形式]
 * @return  string
 */
function juhecurl($url,$params=false,$ispost=0){
    $httpInfo = array();
    $ch = curl_init();

    curl_setopt( $ch, CURLOPT_HTTP_VERSION , CURL_HTTP_VERSION_1_1 );
    curl_setopt( $ch, CURLOPT_USERAGENT , 'JuheData' );
    curl_setopt( $ch, CURLOPT_CONNECTTIMEOUT , 60 );
    curl_setopt( $ch, CURLOPT_TIMEOUT , 60);
    curl_setopt( $ch, CURLOPT_RETURNTRANSFER , true );
    curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
    if( $ispost )
    {
        curl_setopt( $ch , CURLOPT_POST , true );
        curl_setopt( $ch , CURLOPT_POSTFIELDS , $params );
        curl_setopt( $ch , CURLOPT_URL , $url );
    }
    else
    {
        if($params){
            curl_setopt( $ch , CURLOPT_URL , $url.'?'.$params );
        }else{
            curl_setopt( $ch , CURLOPT_URL , $url);
        }
    }
    $response = curl_exec( $ch );
    if ($response === FALSE) {
        //echo "cURL Error: " . curl_error($ch);
        return false;
    }
    $httpCode = curl_getinfo( $ch , CURLINFO_HTTP_CODE );
    $httpInfo = array_merge( $httpInfo , curl_getinfo( $ch ) );
    curl_close( $ch );
    return $response;
}

import java.io.BufferedReader;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLEncoder;
import java.util.HashMap;
import java.util.Map;
  
import net.sf.json.JSONObject;
  
/**
*天气预报调用示例代码 － 聚合数据
*在线接口文档：http://www.juhe.cn/docs/73
**/
  
public class JuheDemo {
    public static final String DEF_CHATSET = "UTF-8";
    public static final int DEF_CONN_TIMEOUT = 30000;
    public static final int DEF_READ_TIMEOUT = 30000;
    public static String userAgent =  "Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/29.0.1547.66 Safari/537.36";
  
    //配置您申请的KEY
    public static final String APPKEY ="*************************";
  
    //1.根据城市查询天气
    public static void getRequest1(){
        String result =null;
        String url ="http://op.juhe.cn/onebox/weather/query";//请求接口地址
        Map params = new HashMap();//请求参数
            params.put("cityname","");//要查询的城市，如：温州、上海、北京
            params.put("key",APPKEY);//应用APPKEY(应用详细页查询)
            params.put("dtype","");//返回数据的格式,xml或json，默认json
  
        try {
            result =net(url, params, "GET");
            JSONObject object = JSONObject.fromObject(result);
            if(object.getInt("error_code")==0){
                System.out.println(object.get("result"));
            }else{
                System.out.println(object.get("error_code")+":"+object.get("reason"));
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
  
  
  
    public static void main(String[] args) {
  
    }
  
    /**
     *
     * @param strUrl 请求地址
     * @param params 请求参数
     * @param method 请求方法
     * @return  网络请求字符串
     * @throws Exception
     */
   public static String net(String strUrl, Map params,String method) throws Exception {
            HttpURLConnection conn = null;
            BufferedReader reader = null;
            String rs = null;
            try {
                StringBuffer sb = new StringBuffer();
                if(method==null || method.equals("GET")){
                    strUrl = strUrl+"?"+urlencode(params);
                }
                URL url = new URL(strUrl);
                conn = (HttpURLConnection) url.openConnection();
                if(method==null || method.equals("GET")){
                    conn.setRequestMethod("GET");
                }else{
                    conn.setRequestMethod("POST");
                    conn.setDoOutput(true);
                }
                conn.setRequestProperty("User-agent", userAgent);
                conn.setUseCaches(false);
                conn.setConnectTimeout(DEF_CONN_TIMEOUT);
                conn.setReadTimeout(DEF_READ_TIMEOUT);
                conn.setInstanceFollowRedirects(false);
                conn.connect();
                if (params!= null && method.equals("POST")) {
                    try {
                        DataOutputStream out = new DataOutputStream(conn.getOutputStream());
                        out.writeBytes(urlencode(params));
                    } catch (Exception e) {
                        e.printStackTrace();
                    }
                }
                InputStream is = conn.getInputStream();
                reader = new BufferedReader(new InputStreamReader(is, DEF_CHATSET));
                String strRead = null;
                while ((strRead = reader.readLine()) != null) {
                    sb.append(strRead);
                }
                rs = sb.toString();
            } catch (IOException e) {
                e.printStackTrace();
            } finally {
                if (reader != null) {
                    reader.close();
                }
                if (conn != null) {
                    conn.disconnect();
                }
            }
            return rs;
        }
  
    //将map型转为请求参数型
    public static String urlencode(Map<String,String> data) {
        StringBuilder sb = new StringBuilder();
        for (Map.Entry i : data.entrySet()) {
            try {
                sb.append(i.getKey()).append("=").append(URLEncoder.encode(i.getValue()+"","UTF-8")).append("&");
            } catch (UnsupportedEncodingException e) {
                e.printStackTrace();
            }
        }
        return sb.toString();
    }
}

#!/usr/bin/python
# -*- coding: utf-8 -*-
import json, urllib
from urllib import urlencode
 
#----------------------------------
# 天气预报调用示例代码 － 聚合数据
# 在线接口文档：http://www.juhe.cn/docs/73
#----------------------------------
 
def main():
 
    #配置您申请的APPKey
    appkey = "*********************"
 
    #1.根据城市查询天气
    request1(appkey,"GET")
 
 
 
#根据城市查询天气
def request1(appkey, m="GET"):
    url = "http://op.juhe.cn/onebox/weather/query"
    params = {
        "cityname" : "", #要查询的城市，如：温州、上海、北京
        "key" : appkey, #应用APPKEY(应用详细页查询)
        "dtype" : "", #返回数据的格式,xml或json，默认json
 
    }
    params = urlencode(params)
    if m =="GET":
        f = urllib.urlopen("%s?%s" % (url, params))
    else:
        f = urllib.urlopen(url, params)
 
    content = f.read()
    res = json.loads(content)
    if res:
        error_code = res["error_code"]
        if error_code == 0:
            #成功请求
            print res["result"]
        else:
            print "%s:%s" % (res["error_code"],res["reason"])
    else:
        print "request api error"
 
if __name__ == '__main__':
    main()

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Net;
using System.IO;
using Xfrog.Net;
using System.Diagnostics;
using System.Web;
 
//----------------------------------
// 天气预报调用示例代码 － 聚合数据
// 在线接口文档：http://www.juhe.cn/docs/73
// 代码中JsonObject类下载地址:http://download.csdn.net/download/gcm3206021155665/7458439
//----------------------------------
 
namespace ConsoleAPI
{
    class Program
    {
        static void Main(string[] args)
        {
            string appkey = "*******************"; //配置您申请的appkey
 
             
            //1.根据城市查询天气
            string url1 = "http://op.juhe.cn/onebox/weather/query";
 
            var parameters1 = new Dictionary<string, string>();
 
            parameters1.Add("cityname" , ""); //要查询的城市，如：温州、上海、北京
            parameters1.Add("key", appkey);//你申请的key
            parameters1.Add("dtype" , ""); //返回数据的格式,xml或json，默认json
 
            string result1 = sendPost(url1, parameters1, "get");
 
            JsonObject newObj1 = new JsonObject(result1);
            String errorCode1 = newObj1["error_code"].Value;
 
            if (errorCode1 == "0")
            {
                Debug.WriteLine("成功");
                Debug.WriteLine(newObj1);
            }
            else
            {
                //Debug.WriteLine("失败");
                Debug.WriteLine(newObj1["error_code"].Value+":"+newObj1["reason"].Value);
            }
 
 
        }
 
        /// <summary>
        /// Http (GET/POST)
        /// </summary>
        /// <param name="url">请求URL</param>
        /// <param name="parameters">请求参数</param>
        /// <param name="method">请求方法</param>
        /// <returns>响应内容</returns>
        static string sendPost(string url, IDictionary<string, string> parameters, string method)
        {
            if (method.ToLower() == "post")
            {
                HttpWebRequest req = null;
                HttpWebResponse rsp = null;
                System.IO.Stream reqStream = null;
                try
                {
                    req = (HttpWebRequest)WebRequest.Create(url);
                    req.Method = method;
                    req.KeepAlive = false;
                    req.ProtocolVersion = HttpVersion.Version10;
                    req.Timeout = 5000;
                    req.ContentType = "application/x-www-form-urlencoded;charset=utf-8";
                    byte[] postData = Encoding.UTF8.GetBytes(BuildQuery(parameters, "utf8"));
                    reqStream = req.GetRequestStream();
                    reqStream.Write(postData, 0, postData.Length);
                    rsp = (HttpWebResponse)req.GetResponse();
                    Encoding encoding = Encoding.GetEncoding(rsp.CharacterSet);
                    return GetResponseAsString(rsp, encoding);
                }
                catch (Exception ex)
                {
                    return ex.Message;
                }
                finally
                {
                    if (reqStream != null) reqStream.Close();
                    if (rsp != null) rsp.Close();
                }
            }
            else
            {
                //创建请求
                HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url + "?" + BuildQuery(parameters, "utf8"));
 
                //GET请求
                request.Method = "GET";
                request.ReadWriteTimeout = 5000;
                request.ContentType = "text/html;charset=UTF-8";
                HttpWebResponse response = (HttpWebResponse)request.GetResponse();
                Stream myResponseStream = response.GetResponseStream();
                StreamReader myStreamReader = new StreamReader(myResponseStream, Encoding.GetEncoding("utf-8"));
 
                //返回内容
                string retString = myStreamReader.ReadToEnd();
                return retString;
            }
        }
 
        /// <summary>
        /// 组装普通文本请求参数。
        /// </summary>
        /// <param name="parameters">Key-Value形式请求参数字典</param>
        /// <returns>URL编码后的请求数据</returns>
        static string BuildQuery(IDictionary<string, string> parameters, string encode)
        {
            StringBuilder postData = new StringBuilder();
            bool hasParam = false;
            IEnumerator<KeyValuePair<string, string>> dem = parameters.GetEnumerator();
            while (dem.MoveNext())
            {
                string name = dem.Current.Key;
                string value = dem.Current.Value;
                // 忽略参数名或参数值为空的参数
                if (!string.IsNullOrEmpty(name))//&& !string.IsNullOrEmpty(value)
                {
                    if (hasParam)
                    {
                        postData.Append("&");
                    }
                    postData.Append(name);
                    postData.Append("=");
                    if (encode == "gb2312")
                    {
                        postData.Append(HttpUtility.UrlEncode(value, Encoding.GetEncoding("gb2312")));
                    }
                    else if (encode == "utf8")
                    {
                        postData.Append(HttpUtility.UrlEncode(value, Encoding.UTF8));
                    }
                    else
                    {
                        postData.Append(value);
                    }
                    hasParam = true;
                }
            }
            return postData.ToString();
        }
 
        /// <summary>
        /// 把响应流转换为文本。
        /// </summary>
        /// <param name="rsp">响应流对象</param>
        /// <param name="encoding">编码方式</param>
        /// <returns>响应文本</returns>
        static string GetResponseAsString(HttpWebResponse rsp, Encoding encoding)
        {
            System.IO.Stream stream = null;
            StreamReader reader = null;
            try
            {
                // 以字符流的方式读取HTTP响应
                stream = rsp.GetResponseStream();
                reader = new StreamReader(stream, encoding);
                return reader.ReadToEnd();
            }
            finally
            {
                // 释放资源
                if (reader != null) reader.Close();
                if (stream != null) stream.Close();
                if (rsp != null) rsp.Close();
            }
        }
    }
}