index.jsp 1.2 KB

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  1. <%--
  2. Created by IntelliJ IDEA.
  3. User: 武恒
  4. Date: 2023/2/6
  5. Time: 9:45
  6. To change this template use File | Settings | File Templates.
  7. --%>
  8. <%@ page session="true" contentType="text/html;charset=UTF-8" language="java" %>
  9. <%@ page import="com.mysql.cj.MysqlConnection" %>
  10. <%@ page import="java.io.PrintWriter" %>
  11. <%@ page import="java.util.Enumeration" %>
  12. <html>
  13. <head>
  14. <title>day10页面</title>
  15. </head>
  16. <body>
  17. <%@ include file="header.jsp"%>
  18. <%
  19. int var = 1;
  20. //触发异常 走Error页面
  21. //int a = 1 / 0;
  22. %>
  23. <h1> 我是首页 </h1>
  24. <%-- <%=var%>--%>
  25. <%--
  26. out.print(var);
  27. --%>
  28. <%! int s = 100; %>
  29. <% int s = 100; %>
  30. <%
  31. // out.print("1234");
  32. String name = request.getParameter("name");
  33. HttpSession session1 = request.getSession(true);
  34. Object user = request.getAttribute("User");
  35. String contextPath = request.getContextPath();
  36. PrintWriter writer = response.getWriter();
  37. String timeout = config.getInitParameter("timeout");
  38. Enumeration<String> initParameterNames = config.getInitParameterNames();
  39. config.getServletContext();
  40. request.getServletContext();
  41. out.print(name);
  42. %>
  43. <%@ include file="footer.jsp"%>
  44. </body>
  45. </html>