Java实现压力测试---可输出请求信息、error信息

import java.io.;
import java.net.;
import java.util.;
import java.util.concurrent.;
public class Test{
//使用静态方法，创建出properties文件，然后输入参数，如线程数量、访问数量、rul等
public static String url = "";//url地址
public static int threadNum = 0;//线程数量
public static int clientNum = 0;//访问数量
public static boolean exceptInfo = true;//打印异常
public static boolean outputInfo= true;//打印出访问信息
public static int sleepTime= 1000;//打印出访问信息
public static List arrayList=new ArrayList();//获取参数
//public static String requestMethods = "";//请求方式
static{
try{
//这里我全部用字节流，如果需要就适当的转换为字符流
//创建文件写入流也就是属于字符流，也可以使用字节流，为了保证数据安全性，建议使用输入字节流；为了方便，建议使用字符流
//InputStreamReader:将字节流=》字符流；FileInputStream:读取文件流；FileWriter:文件写入流（字符流）
String proFileName = "properties.properties";
File file = new File(proFileName);
if(!file.exists()){
FileWriter createFile = new FileWriter(proFileName);
createProperties(proFileName);
//确实使用字节流不好用，之后的使用字符流吧！！！
}
readParmars(file);
//BufferedWriter writeBuffer = new BufferedWriter(readContent);
}catch(Exception e){
try{
File excepFileDirec =new File("error");
if(!(excepFileDirec.exists()&&excepFileDirec.isDirectory()))
excepFileDirec.mkdirs();
File excepFile = new File("error/error.txt");
if(!(excepFile.exists()))
excepFile.createNewFile();

			OutputStreamWriter ow = new OutputStreamWriter(new FileOutputStream(excepFile));
			//另一种写法：OutputStreamWriter ow = new OutputStreamWriter(new FileWriter("error/error.txt"));
			BufferedWriter bufferWriter = new BufferedWriter(ow);
			bufferWriter.write("出现异常："+e);
			ow.flush();
			ow.close();
		}catch(Exception ex){
			ex.printStackTrace();
		}
		e.printStackTrace();
	}
	
	url=arrayList.get(0).toString();
	threadNum = (int)Integer.parseInt(arrayList.get(1).toString());
	clientNum=(int)Integer.parseInt(arrayList.get(2).toString());
	exceptInfo=(boolean)Boolean.parseBoolean(arrayList.get(3).toString());
	outputInfo=(boolean)Boolean.parseBoolean(arrayList.get(4).toString());
	if(arrayList.get(5)!=null)
		sleepTime = (int)Integer.parseInt(arrayList.get(5).toString());
	//requestMethods=arrayList.get(6).toString();
	System.out.println("参数信息："+arrayList);
	System.out.println("参数信息：1、"+url+"  2、"+threadNum+"  3、"+clientNum+"  4、"+exceptInfo+"  5、"+outputInfo);
}
public static void main(String[] args){
	//创建线程池
	ExecutorService threadPool = Executors.newCachedThreadPool();
	//设置信号量，也就是线程数(之前理解有误，并不是线程数，跟线程池两个概念)
	final Semaphore semp = new Semaphore(threadNum);
	for(int i=0;i<clientNum;i++){
		Runnable run = new Runnable(){
			public void run(){
				try{
					semp.acquire();
					URL urls = new URL(url);//传入url地址
					HttpURLConnection con = (HttpURLConnection)urls.openConnection();
					//if(requestMethods!=null)
						//con.setRequestMethod(requestMethods);//setRequestProperty请求属性不设置了
					Thread.sleep(sleepTime);
					
					if(outputInfo==true){
						File outputInfoDirec =new File("info");//创建文件夹
						if(!(outputInfoDirec.exists()&&outputInfoDirec.isDirectory()))
							outputInfoDirec.mkdirs();
						//读：获取线程访问的字节流，同时转为字符流
						BufferedReader getInfo = new BufferedReader(new InputStreamReader(con.getInputStream()));
						//写：写入文件
						FileWriter fwInfo =new FileWriter("info/data_"+Thread.currentThread().getName()+".txt");
						BufferedWriter setInfo = new BufferedWriter(fwInfo);
						
						//从流中读取数据，存入文件中
						String line = "";
							while((line=getInfo.readLine())!=null){
								setInfo.write(line);
								fwInfo.flush();
							}
						fwInfo.close();
					}
					con.setDoOutput(true);
					con.setDoInput(true);
					semp.release();
				}catch(Exception ee){
					ee.printStackTrace();
				}finally{
					
				}
			}
		};
		threadPool.execute(run);
	}
	threadPool.shutdown();
}


//读取参数
public static void readParmars(File file)throws Exception{
	InputStreamReader getPar = new InputStreamReader(new FileInputStream(file));//获取读取流，同时转为字符流
		BufferedReader getString = new BufferedReader(getPar);
		String line= "";
		while((line=getString.readLine())!=null){
			arrayList.add(line.split("==")[1]);
		}
	getPar.close();
}
//写入参数:字节
public static void createProperties(String proFileName)throws Exception{
	BufferedOutputStream bufferStream = new BufferedOutputStream(new FileOutputStream(proFileName));
		testWriteBuffer(bufferStream,"Url Address==");//因为是按照字节流读取的，而汉字占用两个字节，所以如果使用汉字会出现乱码，因为字母是占用一个字节的
		testWriteBuffer(bufferStream,"treadNum==");
		testWriteBuffer(bufferStream,"clientNum==");
		testWriteBuffer(bufferStream,"print Exception(true Or false)==");
		testWriteBuffer(bufferStream,"print RequestData(true Or false)==");
		testWriteBuffer(bufferStream,"sleep Time(default:2000)==");
		//testWriteBuffer(bufferStream,"request Method(default:all)==");
	bufferStream.flush();
	bufferStream.close();
}
//写入数据：字节
public static void testWriteBuffer(BufferedOutputStream testWrite,String parmars)throws Exception{
	char[] parmarsArray = parmars.toCharArray();
	for(int i=0;i<parmarsArray.length;i++){
		testWrite.write(parmarsArray[i]);
	}
	char[] enter = "
".toCharArray();
	for(int i=0;i<enter.length;i++){
		testWrite.write(enter[i]);
	}
}

}