全国车辆违章

curl -k -i "http://v.juhe.cn/wz/citys?key=您申请的ApiKey&format=2" 

$url = "http://v.juhe.cn/wz/citys";
$params = array(
    "format" => "2",
    "key" => "您申请的ApiKey",//应用APPKEY(应用详细页查询)
);
$paramstring = http_build_query($params);
$content = juheCurl($url, $paramstring);
$result = json_decode($content, true);
if ($result) {
    var_dump($result);
} else {
    //请求异常
}

/**
 * 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;


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";

	public static void wzCitysQuery(){
		String result =null;
		String url ="http://v.juhe.cn/wz/citys";//请求接口地址
		Map params = new HashMap();//请求参数
			params.put("format","2");
			params.put("key","您申请的ApiKey");//应用APPKEY(应用详细页查询)
		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) {
					// TODO: handle exception
					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();
	}
} 

//node request模块安装命令：npm install request
var request = require('request');
var querystring = require('querystring');

var queryData = querystring.stringify({
    "format": "2",
    "key": "您申请的ApiKey",  // 应用APPKEY(应用详细页查询)
});

var queryUrl = 'http://v.juhe.cn/wz/citys?'+queryData;

request(queryUrl, function (error, response, body) {
	if (!error && response.statusCode == 200) {
		console.log(body) // 打印接口返回内容
		
		var jsonObj = JSON.parse(body); // 解析接口返回的JSON内容
		console.log(jsonObj)
	} else {
		console.log('请求异常');
	}
}) 

#!/usr/bin/python
# -*- coding: utf-8 -*-
import json, urllib
from urllib import urlencode

url = "http://v.juhe.cn/wz/citys"
params = {
    "format": "2", 
    "key": "您申请的ApiKey",  # 应用APPKEY(应用详细页查询)
}
params = urlencode(params)
f = urllib.urlopen(url, params)
content = f.read()
res = json.loads(content)
if res:
    print(res)
else:
    print("请求异常")
 

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;


namespace ConsoleAPI
{
	class Program
	{
		static void Main(string[] args)
		{
			string url = "http://v.juhe.cn/wz/citys";

			var parameters = new Dictionary<string, string>();

			parameters.Add("format" , "2");
			parameters.Add("key", "您申请的ApiKey");//你申请的key

			string result = sendPost(url, parameters, "post");
			
			// 代码中JsonObject类下载地址:http://download.csdn.net/download/gcm3206021155665/7458439
			JsonObject newObj = new JsonObject(result);
			String errorCode = newObj["error_code"].Value;

			if (errorCode == "0")
			{
				Debug.WriteLine("成功");
				Debug.WriteLine(newObj);
			}
			else
			{
				//Debug.WriteLine("请求异常");
				Debug.WriteLine(newObj["error_code"].Value+":"+newObj["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 = 60000;
					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();
			}
		}
	}
} 

package main

import (
	"io/ioutil"
	"net/http"
	"net/url"
	"fmt"
	"encoding/json"
)

func main() {
	//请求地址
	juheURL := "http://v.juhe.cn/wz/citys"

	//初始化参数
	param := url.Values{}

	//配置请求参数,方法内部已处理urlencode问题,中文参数可以直接传参
	param.Set("format", "2")
	param.Set("key", "您申请的ApiKey")  //应用APPKEY(应用详细页查询)

	//发送请求
	data, err := Get(juheURL, param)
	if err != nil {
		fmt.Errorf("请求异常,错误信息:\r\n%v", err)
	} else {
		var netReturn map[string]interface{}
		json.Unmarshal(data, &netReturn)
		
		fmt.Println(netReturn)
	}

}

// get 网络请求
func Get(apiURL string, params url.Values) (rs []byte, err error) {
	var Url *url.URL
	Url, err = url.Parse(apiURL)
	if err != nil {
		fmt.Printf("解析url错误:\r\n%v", err)
		return nil, err
	}
	//如果参数中有中文参数,这个方法会进行URLEncode
	Url.RawQuery = params.Encode()
	resp, err := http.Get(Url.String())
	if err != nil {
		fmt.Println("err:", err)
		return nil, err
	}
	defer resp.Body.Close()
	return ioutil.ReadAll(resp.Body)
}

// post 网络请求 ,params 是url.Values类型
func Post(apiURL string, params url.Values) (rs []byte, err error) {
	resp, err := http.PostForm(apiURL, params)
	if err != nil {
		return nil, err
	}
	defer resp.Body.Close()
	return ioutil.ReadAll(resp.Body)
}