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99 lines
3.2 KiB
99 lines
3.2 KiB
package com.whn.hellospring.service;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.stereotype.Service;
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import java.io.*;
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import java.net.URL;
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import java.net.URLConnection;
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import java.util.List;
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import java.util.Map;
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@Slf4j
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@Service
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public class JuheService {
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public String getOilPrice() {
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String url = "http://apis.juhe.cn/gnyj/query?key=212b6526c4f8a3899ca406a1173bafa8";
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String result = "";
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BufferedReader in = null;
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try {
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String urlNameString = url;
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URL realUrl = new URL(urlNameString);
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URLConnection connection = realUrl.openConnection();
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connection.setRequestProperty("accept", "*/*");
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connection.setRequestProperty("connection", "Keep-Alive");
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connection.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
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connection.connect();
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Map<String, List<String>> map = connection.getHeaderFields();
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for (String key : map.keySet()) {
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System.out.println(key + "--->" + map.get(key));
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}
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in = new BufferedReader(new InputStreamReader(
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connection.getInputStream()));
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String line;
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while ((line = in.readLine()) != null) {
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result += line;
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}
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} catch (Exception e) {
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System.out.println("异常" + e);
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e.printStackTrace();
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} finally {
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try {
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if (in != null) {
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in.close();
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}
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} catch (Exception e2) {
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e2.printStackTrace();
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}
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}
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return result;
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}
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public static String sendPost(String url, String param) {
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PrintWriter out = null;
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BufferedReader in = null;
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String result = "";
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try {
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URL realUrl = new URL(url);
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URLConnection conn = realUrl.openConnection();
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conn.setRequestProperty("Content-Type", "application/json");
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conn.setRequestProperty("charset", "utf-8");
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conn.setRequestProperty("accept", "*/*");
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conn.setRequestProperty("connection", "Keep-Alive");
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conn.setRequestProperty("user-agent",
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"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
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conn.setDoOutput(true);
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conn.setDoInput(true);
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out = new PrintWriter(new OutputStreamWriter(conn.getOutputStream(), "utf-8"));
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out.print(param);
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out.flush();
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in = new BufferedReader(new InputStreamReader(conn.getInputStream(), "utf-8"));
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String line;
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while ((line = in.readLine()) != null) {
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result += line;
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}
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System.out.println("sendPost" + result);
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} catch (Exception e) {
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System.out.println("异常" + e);
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e.printStackTrace();
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} finally {
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try {
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if (out != null) {
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out.close();
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}
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if (in != null) {
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in.close();
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}
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} catch (IOException ex) {
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ex.printStackTrace();
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}
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}
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return result;
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}
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}
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