HttpClient（JAVA）使用笔记

package org.apache.http.examples.client;

import java.io.BufferedInputStream;
import java.io.BufferedReader;
import java.io.InputStreamReader;

import org.apache.http.auth.AuthScope;
import org.apache.http.auth.UsernamePasswordCredentials;
import org.apache.http.client.CredentialsProvider;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.BasicCredentialsProvider;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;

/**
 * A simple example that uses HttpClient to execute an HTTP request against
 * a target site that requires user authentication.
 */
public class ClientAuthentication {

    public static void main(String[] args) throws Exception {
        CredentialsProvider credsProvider = new BasicCredentialsProvider();
        credsProvider.setCredentials(
                new AuthScope("192.168.1.1", 80),
                new UsernamePasswordCredentials("username", "password"));
        CloseableHttpClient httpclient = HttpClients.custom()
                .setDefaultCredentialsProvider(credsProvider)
                .build();
        try {
            //HttpGet httpget = new HttpGet("http://192.168.1.1/");
            HttpGet httpget = new HttpGet("http://192.168.1.1/userRpm/SysRebootRpm.htm?Reboot=%D6%D8%C6%F4%CF%B5%CD%B3");

            
            System.out.println("Executing request " + httpget.getRequestLine());
            CloseableHttpResponse response = httpclient.execute(httpget);
            try {
                System.out.println("----------------------------------------");
                System.out.println(response.getStatusLine());
                EntityUtils.consume(response.getEntity());
            } finally {
                response.close();
            }
        } finally {
            httpclient.close();
        }
        
        String cmd = "ping 192.168.1.1 -t";
        //返回与当前 Java 应用程序相关的运行时对象
        Runtime run = Runtime.getRuntime();  
        try {  
            // 启动另一个进程来执行命令  
            Process p = run.exec(cmd);
            
            BufferedInputStream in = new BufferedInputStream(p.getInputStream());  
            BufferedReader inBr = new BufferedReader(new InputStreamReader(in));  
            String lineStr;  
            
            while ((lineStr = inBr.readLine()) != null)  
                //获得命令执行后在控制台的输出信息  
                System.out.println(lineStr);// 打印输出信息  
            
            //检查命令是否执行失败。  
            if (p.waitFor() != 0) {  
                if (p.exitValue() == 1)//p.exitValue()==0表示正常结束，1：非正常结束  
                    System.err.println("命令执行失败!");  
            }  
            inBr.close();  
            in.close();  
        } catch (Exception e) {  
            e.printStackTrace();  
        }  
    }
}