1、註冊聚合數據賬號,完成認證,申請數據接口
打開https://www.juhe.cn/,點擊最右側的註冊
輸入自己的信息註冊就行了
註冊完成後,認證一下,公司認證或者個人認證都可以,但是調用全國車輛違章的查詢要求必須是企業認證
認證完成後進入個人中心點擊左側的我的接口,點擊申請新數據
選擇交通地理,全國車輛違章,最後點擊立即申請
申請完成後,會給你生成一個AppKey
這個AppKey是調用聚合數據接口時必須用到的
拿到這個AppKey後,現在看下聚合數據官網提供的文檔
打開https://www.juhe.cn/,點擊API
到這個頁面,官方提供了java調用的代碼示例,你只需要把示例裏的AppKey換成你自己申請的AppKey就可以了
2、寫代碼實現調用
有了上述的準備後,就可以寫代碼來調用一下了
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import lombok.extern.slf4j.Slf4j;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;
import java.io.*;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLEncoder;
import java.util.HashMap;
import java.util.Map;
/**
* 調用聚合數據,查看違章
*/
@RestController
@Slf4j
public class ViolationController {
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";
@RequestMapping(value = "/getViolationList", method = RequestMethod.POST, produces = {"application/json;charset=UTF-8"})
public String getViolationList(){
Map<String, Object> returnMap = new HashMap<>(16);
String result =null;
String url ="http://v.juhe.cn/wz/query";//請求接口地址
Map params = new HashMap();//請求參數
//params.put("dtype","");//返回數據格式:json或xml或jsonp,默認json
//params.put("callback","");//返回格式選擇jsonp時,必須傳遞
//params.put("city","");//城市代碼 *
//params.put("hpzl","");//號牌類型,默認02
params.put("key","xxxxxxxxxxxxxxxxxxxxxx");//你申請的key
params.put("hphm","京Q88888");//號牌號碼 完整7位 ,需要utf8 urlencode*
params.put("engineno","K3U88888888");//發動機號 (根據城市接口中的參數填寫)
params.put("classno","xxxxxxxxxxxxxxxx");//車架號 VIN碼(根據城市接口中的參數填寫)
try {
result =net(url, params, "GET");
JSONObject json = JSONObject.parseObject(result);
if (json.getInteger("resultcode") == 200) {
JSONObject result1 = json.getJSONObject("result");
JSONArray lists = result1.getJSONArray("lists");
returnMap.put("lists", lists);
returnMap.put("respCode", 0);
returnMap.put("respMsg", "成功");
} else {
returnMap.put("error_code", json.get("error_code"));
returnMap.put("reason", json.get("reason"));
returnMap.put("respCode", -1);
returnMap.put("respMsg", "失敗");
}
return JSONObject.toJSONString(returnMap);
} catch (Exception e) {
e.printStackTrace();
return null;
}
}
/**
*
* @param strUrl 請求地址
* @param params 請求參數
* @param method 請求方法
* @return 網絡請求字符串
* @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;
}
//將map型轉爲請求參數型
public static String urlencode(Map<String,Object>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();
}
}
寫完後用postMan調用一下試試
可以看到已經返回違章的結果記錄了