编写一个Servlet,实现统计该Servlet被访问的次数的功能
时间: 2023-05-30 13:03:35 浏览: 65
下面是一个简单的Servlet示例,用于统计Servlet被访问的次数:
``` java
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class VisitCounterServlet extends HttpServlet {
private int counter = 0;
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
counter++;
response.setContentType("text/html");
PrintWriter out = response.getWriter();
out.println("<html><body>");
out.println("<h2>Servlet Visited " + counter + " times.</h2>");
out.println("</body></html>");
}
}
```
该Servlet有一个计数器变量,每次请求时都会增加计数器的值,并将当前计数器值显示在响应中。您可以将此Servlet部署到任何支持Java Servlet API的Web服务器中,并在浏览器中访问它以查看计数器的值。