（1）测试的网址的代码是
webapp10.html
<!DOCTYPE html> <html> <head> <title> Web App </title> </head> <body> <header>Square root query page</header> <form action="webapp10.php" method="POST"> <label>What is the square root of <input type="number" value="2" name="n"></label> <button type="submit">Find out!</button> </form> </body> </html>
<!DOCTYPE html> <html> <head> <title> Web App </title> </head> <body> <?php echo "the result is".sqrt($_POST['n']); ?> </body> </html>
传入的参数是n=2；
（2）
step one：
setp two：
step 3
click the start button and see the result
step 4
you can use distribution run， control several computer to test website
1. run jmeter-server.bat in /bin to open the server side
2. to edit jmeter.properties(make sure the file is visiable)
edit this sentence
to add the slave host ip adress;
3. make sure turn off the firewall
4. open the panel to control it, you can control the slave compuer 192.136.1.2 to test the website.
usually the server is on one computer. the master host is on one computer. the slaves hosts are one other computers;
原文：http://blog.csdn.net/worldmakewayfordream/article/details/41466589
