57 lines
2.2 KiB
Java
57 lines
2.2 KiB
Java
package com.tenwa.lease.util;
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import java.io.BufferedReader;
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import java.io.InputStreamReader;
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import java.net.HttpURLConnection;
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import java.net.URL;
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public class VehicleAppraisementUtil {
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public static String getVehicleAppraisementResponse(String modelId,String zone,String regDate,String mile){
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String urlStr = "https://api.che300.com/service/getUsedCarPrice?"
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+"token=ee450692cbd24e8bacb27b6f46b4d752&modelId="+modelId
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+"®Date="+regDate+"&mile="+mile+"&zone="+zone+"";
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String result = VehicleAppraisementUtil.getResponseResult(urlStr);
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return result;
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}
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//通过请求url返回Json数据
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public static String getResponseResult (String url){
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String line = "";
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String httpResponseResult = "";
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try {
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HttpURLConnection connection = VehicleAppraisementUtil.getURLConnection(url);
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connection.setReadTimeout(5000);
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connection.setConnectTimeout(5000);
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connection.connect();
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BufferedReader reader = new BufferedReader(
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new InputStreamReader(
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connection.getInputStream(),"utf-8"));
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while ((line = reader.readLine()) != null) {
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httpResponseResult += line.toString();
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}
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} catch (Exception e) {
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e.printStackTrace();
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}
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return httpResponseResult;
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}
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//获取请求需要的HttpURLConnection连接
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public static HttpURLConnection getURLConnection(String url){
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HttpURLConnection connection = null;
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try {
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URL newUrl = new URL(url);
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connection = (HttpURLConnection) newUrl.openConnection();
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connection.setDoOutput(false);//post请求应改为true
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connection.setDoInput(true);
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connection.setRequestMethod("GET");
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connection.setUseCaches(false);
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connection.setInstanceFollowRedirects(true);
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connection.setRequestProperty("Content-Type", "application/json");
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connection.setRequestProperty("Charset", "utf-8");
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connection.setRequestProperty("Accept-Charset", "utf-8");
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} catch (Exception e) {
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e.printStackTrace();
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}
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return connection;
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}
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}
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