远程接口调用-蒲公英云

远程接口调用

调用第三方接口简单测试

import java.io.*;
import java.net.URL;
import java.net.URLConnection;
import java.net.URLDecoder;
import java.net.URLEncoder;
/**
 * @类名： RequestUtils
 * @说明： TODO
 * @作者：
 * @时间： 2021/8/3 16:17
 * @版本：
 */
public class RequestUtils {
    // 对URL encodeData 进行编码
    public static String enCode(String code){
        String encodeData = null;
        try {
            encodeData = URLEncoder.encode(code, "UTF-8")
                    .replaceAll("\\+", "%20")
                    .replaceAll("\\!", "%21")
                    .replaceAll("\\'", "%27")
                    .replaceAll("\\(", "%28")
                    .replaceAll("\\)", "%29")
                    .replaceAll("\\~", "%7E");
        } catch (
                UnsupportedEncodingException e) {
            e.printStackTrace();
        }
        System.out.println(code+":"+encodeData);      // 结果为：https%3A%2F%2Fwww.baidu.com%2F
        return encodeData;
    }
    // 对URL String 进行解码
    public static String enCodej(String code){
              // 对URL进行解码
        String decodeData = null;
        try {
            decodeData = URLDecoder.decode(code, "UTF-8");
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        }
        System.out.println(decodeData);
        return decodeData;
    }
    /*
      * @名称：远程发送POST请求
      * @时间：2021/8/3 16:25
      * @参数： 请求路径、 参数  参数可为null  例：&a=11
      * @返回：String
      **/
    public static String requestPost(String url,String value){
        //请求
        OutputStreamWriter out = null ;
        BufferedReader in = null;
        StringBuilder result = new StringBuilder();
        try {
            URL realUrl = new URL(url);
            // 打开和URL之间的连接
            URLConnection conn = realUrl.openConnection();
            //设置通用的请求头属性
            conn.setRequestProperty("accept", "*/*");
            conn.setRequestProperty("connection", "Keep-Alive");
            conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
            // 发送POST请求必须设置如下两行   否则会抛异常（java.net.ProtocolException: cannot write to a URLConnection if doOutput=false - call setDoOutput(true)）
            conn.setDoOutput(true);
            conn.setDoInput(true);
            //获取URLConnection对象对应的输出流并开始发送参数
            out = new OutputStreamWriter(conn.getOutputStream(), "UTF-8");
            //添加参数
            out.write(value);
            out.flush();
            in = new BufferedReader(new InputStreamReader(conn.getInputStream(),"UTF-8"));
            String line;
            while ((line = in.readLine()) != null) {
                result.append(line);
            }
        } catch (Exception e) {
            e.printStackTrace();
        }finally {// 使用finally块来关闭输出流、输入流
            try {
                if (out != null) {
                    out.close();
                }
                if (in != null) {
                    in.close();
                }
            } catch (IOException ex) {
                ex.printStackTrace();
            }
        }
        System.out.println(result.toString());
        return result.toString();
    }
    public static void main(String[] args) {
        String code = enCode("摩羯座");
        //String url = "http://web.juhe.cn:8080/constellation/getAll?consName=%E5%8F%8C%E9%B1%BC%E5%BA%A7&type=today";
        String url = "http://web.juhe.cn:8080/constellation/getAll?consName="+code+"&type=today";
        String url2 = "http://web.juhe.cn:8080/constellation/getAll?consName=%E5%8F%8C%E9%B1%BC%E5%BA%A7&type=today";
        String url3 = "http://web.juhe.cn:8080/constellation/getAll?consName=%E5%8F%8C%E9%B1%BC%E5%BA%A7&type=today&key=6ac43fb03010950ff20a391c2395f8d0";
        requestPost(url,"key=6ac43fb03010950ff20a391c2395f8d0");
        requestPost(url2,"");
        requestPost(url3,"");
    }
}