package cn.itcast.travel.web.servlet;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
public class BaseServlet extends HttpServlet {
@Override
public void service(HttpServletRequest request, HttpServletResponse response) {
//
//1.获取请求路径
String uri = request.getRequestURI();
System.out.println(uri);
//2.获取方法名称
String methodName = uri.substring(uri.lastIndexOf(’/’) + 1);
System.out.println(“方法名称” + methodName);
//获取方法对象method
System.out.println(this);
try {
Method method = this.getClass().getMethod(methodName, HttpServletResponse.class, HttpServletRequest.class);
method.invoke(this, request, response);
} catch (IllegalAccessException e) {
e.printStackTrace();
} catch (InvocationTargetException e) {
e.printStackTrace();
} catch (NoSuchMethodException e) {
e.printStackTrace();
}
}
报错
方法都已修改public，仍然报错
错位，参数无法传递
修改后ok