小工具

野性酷女 2023-07-04 15:39 16阅读 0赞

**使用random方法，和shuffle，随机的（伪随机），随机的假象。仅供学习，谢谢配合。**

import java.util.regex.Matcher;
    import java.util.regex.Pattern;
    import java.util.*;
    import java.text.*;
    import java.io.*;
    import java.net.*;
    *
     * --------------------自动程序--------------------
     * 
     * 将要测试的id填写入16行的变量userId中，点击运行
     * 本程序将访问该博主【用户ID】名下所有，仅限学习测试
     * 
     * 仅供学习测试使用~
     *
    public class ShuaJiZi { 
    	static String userId = "Veer_c";
    	public static void main(String urlstr[]) throws IOException, InterruptedException { 
            Random r = new Random(6);//用于产生随机数的类。和种子相关（种子其实可以把它看成一个产生随机数的定义的规则）。Random()为没有指定种子 
            while(true){ 
            try { 
            ShuaJiZi.fangfa();
                    		//Sop("汇总：运行完毕，成功总增加：" + shiji++*urlss.size()+"哇...我太牛了");
            } catch (Exception e) { 
                e.printStackTrace();
            }            
                int suiji = r.nextInt(10);
                Thread.currentThread().sleep(suiji*1000+136963);//毫秒*/ 延迟一会儿，小睡
        }
        }
            public static void fangfa()throws IOException, InterruptedException{ 
    		Set<String> urls = new HashSet<String>();
    		// ----------------------------------------------遍历每一页 ----------------------------------------------
    		final String homeUrl = "https://blog.csdn.net/" + userId + "/article/list/";// 后面加pageNum即可
    		int totalPage = 0;
    		InputStream is;
    		String pageStr;
    		StringBuilder curUrl = null;
    		for (int i = 1; i < 100; i++) { 
    			Thread.sleep(1000);
    			Sop("finding page " + i);
    			curUrl = new StringBuilder(homeUrl);
    			curUrl.append(i);
    			Sop(curUrl);
    			is = doGet(curUrl.toString());
    			pageStr = inputStreamToString(is, "UTF-8");// 一整页的html源码
    
    			List<String> list = getMatherSubstrs(pageStr, "(?<=href=\")https://blog.csdn.net/" + userId + "/article/details/[0-9]{8,9}(?=\")");	
                //Collections.shuffle(list);
                urls.addAll(list);
    			if (pageStr.lastIndexOf("空空如也") != -1) { 
    				Sop("No This Page!");
    				break;
    			} else { 
    				Sop("Success~");
    			}
    			totalPage = i;
    		}
    		Sop("总页数为: " + totalPage);	
    		// ---------------------------------------------------打印每个链接---------------------------------------------------
    		Sop("打印每个链接");
            List<String> urlss =new ArrayList<String>(urls);
                Collections.shuffle(urlss);                         //滴答洗牌
            //urls.shuffle(string);
            //Collections.shuffle(list);
            //urls.shuffle();
    		for (String s:urlss) { 
    			Sop(s);
    		}
    		Sop("打印每个链接完毕");	
    		// ---------------------------------------------------访问每个---------------------------------------------------
    		int i=0;
                Random r = new Random(3);
    		for (String s:urlss) { 		
    			doGet(s);
                int suiji3 = r.nextInt(6);
                Thread.currentThread().sleep(suiji3*1000);//毫秒*/
    			Sop("成功访问第" + (++i) + "个链接,共" + urlss.size() + "个:" + s);
    		}
    		// ---------------------------------------------------程序结束---------------------------------------------------
    		Sop("运行完毕，成功增加访问数：" + urlss.size());
            //final int o=urlss.size();
            		//Sop("汇总：滴答……运行完毕，成功总增加：" +++shiji*urlss.size()+" 哇...我太牛了！！！");
            		Sop("汇总：滴答……运行完毕，成功总增加：" + (shiji+=urlss.size())+" 哇...我太牛了！！！");
                    //Sop(shiji+=urlss.size());
    	}
    	public static InputStream doGet(String urlstr) throws IOException { 
    		URL url = new URL(urlstr);
    		HttpURLConnection conn = (HttpURLConnection) url.openConnection();
    		conn.setRequestProperty("User-Agent",
    				"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Safari/537.36");
    		InputStream inputStream = conn.getInputStream();
    		return inputStream;
    	}
    	public static String inputStreamToString(InputStream is, String charset) throws IOException { 
    		byte[] bytes = new byte[1024];
    		int byteLength = 0;
    		StringBuffer sb = new StringBuffer();
    		while ((byteLength = is.read(bytes)) != -1) { 
    			sb.append(new String(bytes, 0, byteLength, charset));
    		}
    		return sb.toString();
    	}	
    	// 正则匹配
    	public static List<String> getMatherSubstrs(String str, String regex) { 
    		List<String> list = new ArrayList<String>();
    		Pattern p = Pattern.compile(regex);
    		Matcher m = p.matcher(str);
    		while (m.find()) { 
    			list.add(m.group());
    		}
    		return list;
    	}
            public static void Sop(Object obj){ 
            System.out.println(obj);                        //封装打印，简化重复工作量
        }
        public static int shiji=0;
    }

脚本运行如下图所示：  
![在这里插入图片描述][20200219175003973.png]

[20200219175003973.png]: https://img-blog.csdnimg.cn/20200219175003973.png