1.public void service(ServletRequest req, ServletResponse res)
2.protected void service(HttpServletRequest req, HttpServletResponse resp)
void service这个方法 是tomcat 中请求调用 在这个方法内部在调用 protected void service方法
公共的service方法
public void service(ServletRequest req, ServletResponse res)
throws ServletException, IOException
{
HttpServletRequest request;
HttpServletResponse response;
try {
request = (HttpServletRequest) req;
response = (HttpServletResponse) res;
} catch (ClassCastException e) {
throw new ServletException("non-HTTP request or response");
}
service(request, response);
}
在受保护的这个service方法中 具体分发不同类型的请求