java实现火车票查询_12306火车票查询接口调用示例
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;
/**
*12306火车票查询调用示例代码 － 聚合数据
*在线接口文档：http://www.juhe.cn/docs/22
**/
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.站到站查询(含票价)
public static void getRequest1(){
String result =null;
String url ="http://apis.juhe.cn/train/s2swithprice";//请求接口地址
Map params = new HashMap();//请求参数
params.put("start","");//出发站
params.put("end","");//终点站
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();
}
}
//2.12306订票②：车次票价查询
public static void getRequest2(){
String result =null;
String url ="http://apis.juhe.cn/train/ticket.price.php";//请求接口地址
Map params = new HashMap();//请求参数
params.put("train_no","");//列次编号，对应12306订票①：查询车次中返回的train_no
params.put("from_station_no","");//出发站序号，对应12306订票①：查询车次中返回的from_station_no
params.put("to_station_no","");//出发站序号，对应12306订票①：查询车次中返回的to_station_no
params.put("date","");//默认当天，格式：2014-12-25
params.put("key",APPKEY);//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();
}
}
//3.车次查询
public static void getRequest3(){
String result =null;
String url ="http://apis.juhe.cn/train/s";//请求接口地址
Map params = new HashMap();//请求参数
params.put("name","");//车次名称，如：G4
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();
}
}
//4.站到站查询
public static void getRequest4(){
String result =null;
String url ="http://apis.juhe.cn/train/s2s";//请求接口地址
Map params = new HashMap();//请求参数
params.put("start","");//出发站
params.put("end","");//终点站
params.put("traintype","");//列车类型，G-高速动车 K-快速 T-空调特快 D-动车组 Z-直达特快 Q-其他
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();
}
}
//5.12306实时余票查询
public static void getRequest5(){
String result =null;
String url ="http://apis.juhe.cn/train/yp";//请求接口地址
Map params = new HashMap();//请求参数
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
params.put("from","");//出发站,如：上海虹桥
params.put("to","");// 到达站,如：温州南
params.put("date","");//出发日期，默认今日
params.put("tt","");//车次类型，默认全部，如：G(高铁)、D(动车)、T(特快)、Z(直达)、K(快速)、Q(其他)
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();
}
}
//6.12306订票①：查询车次
public static void getRequest6(){
String result =null;
String url ="http://apis.juhe.cn/train/ticket.cc.php";//请求接口地址
Map params = new HashMap();//请求参数
params.put("from","");//出发站名称：如上海虹桥
params.put("to","");//到达站名称：如温州南
params.put("date","");//默认当天，格式：2014-07-11
params.put("tt","");//车次类型，默认全部，如：G(高铁)、D(动车)、T(特快)、Z(直达)、K(快速)、Q(其他)
params.put("key",APPKEY);//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();
}
}
//7.火车票代售点查询
public static void getRequest7(){
String result =null;
String url ="http://apis.juhe.cn/train/dsd";//请求接口地址
Map params = new HashMap();//请求参数
params.put("province","");//省份,如：浙江
params.put("city","");//城市，如：温州
params.put("county","");//区/县，如：鹿城区
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();
}
}
//8.列车站点列表
public static void getRequest8(){
String result =null;
String url ="http://apis.juhe.cn/train/station.list.php";//请求接口地址
Map params = new HashMap();//请求参数
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) {
// TODO: handle exception
}
}
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 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();
}
}