基于JAVA的违章查询助手数据调用
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;
/**
*全国车辆违章调用示例代码 － 聚合数据
*在线接口文档：http://www.juhe.cn/docs/36
**/
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.获取支持城市参数接口
public static void getRequest1(){
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("province","");//默认全部，省份简写，如：ZJ、JS
params.put("dtype","");//返回数据格式：json或xml或jsonp,默认json
params.put("format","");//格式选择1或2，默认1
params.put("callback","");//返回格式选择jsonp时，必须传递
params.put("key",APPKEY);//你申请的key
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.请求违章查询接口
public static void getRequest2(){
String result =null;
String url ="http://v.juhe.cn/wz/query";//请求接口地址
Map params = new HashMap();//请求参数
params.put("dtype","");//返回数据格式：json或xml或jsonp,默认json
params.put("callback","");//返回格式选择jsonp时，必须传递
params.put("key",APPKEY);//你申请的key
params.put("city","");//城市代码 *
params.put("hphm","");//号牌号码 完整7位 ,需要utf8 urlencode*
params.put("hpzl","");//号牌类型，默认02
params.put("engineno","");//发动机号 (根据城市接口中的参数填写)
params.put("classno","");//车架号 (根据城市接口中的参数填写)
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.接口剩余请求次数查询
public static void getRequest3(){
String result =null;
String url ="http://v.juhe.cn/wz/status";//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<String,Object>data) {
StringBuilder sb = new StringBuilder();
for (Map.Entry i : data.entrySet(http://www.9ask.cn/zhoukou/)) {
try {
sb.append(i.getKey()).append("=").append(URLEncoder.encode(i.getValue()+"","UTF-8")).append("&");
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
}
return sb.toString();
}
} 大兄弟...
发错地方了...
Java...
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