请求地址工具

Posted 2020-12-22 gjths

import javax.net.ssl.*;
import java.io.*;
import java.net.URL;

public static String httpsRequest(String requestUrl, String requestMethod, String outputStr) {
    StringBuffer buffer = null;
    try {
        //创建SSLContext
        SSLContext sslContext = SSLContext.getInstance("SSL");
        TrustManager[] tm = {new MyX509TrustManager()};
        //初始化
        sslContext.init(null, tm, new java.security.SecureRandom());
        ;
        //获取SSLSocketFactory对象
        SSLSocketFactory ssf = sslContext.getSocketFactory();
        URL url = new URL(requestUrl);
        HttpsURLConnection conn = (HttpsURLConnection) url.openConnection();
        conn.setDoOutput(true);
        conn.setDoInput(true);
        conn.setUseCaches(false);
        conn.setRequestMethod(requestMethod);
        //设置当前实例使用的SSLSoctetFactory
        conn.setSSLSocketFactory(ssf);
        conn.connect();
        //往服务器端写内容
        if (null != outputStr) {
            OutputStream os = conn.getOutputStream();
            os.write(outputStr.getBytes("utf-8"));
            os.close();
        }

        //读取服务器端返回的内容
        InputStream is = conn.getInputStream();
        InputStreamReader isr = new InputStreamReader(is, "utf-8");
        BufferedReader br = new BufferedReader(isr);
        buffer = new StringBuffer();
        String line = null;
        while ((line = br.readLine()) != null) {
            buffer.append(line);
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
    return buffer.toString();
}