题目内容

页面重定向问题：从Servlet中传递值作为重定向页面welcome.jsp的请求参数，由welcome.jsp负责处理显示这个值。Output .java:import java.io.IOException;import javax.servlet.ServletException;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;public class Output extends HttpServlet {private static final long serialVersionUID = 1L;public Output() {// TODO Auto-generated constructor stub}protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {String school="WUIT";response.sendRedirect("welcome.jsp?school="+school)}protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {}}阅读Output .java代码，完成welcome.jsp代码，使得Output这个Servlet在服务端运行时，能通过重定向技术将welcome.jsp作为对客户端的响应，且页面内容为:WUIT

A. WUIT
B. school
C. <%=response.sendRedirect("welcome.jsp?school="+school)%>
D. <%=request.getParameter("school") %>

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页面重定向问题：传递表单数据到Serlvet，然后在Serlvet中将接收的表单数据通过页面重定向技术，作为welcome.jsp的请求参数，由welcome.jsp处理显示。仔细阅读下列程序：input.jsp:
Output.java:import java.io.IOException;import javax.servlet.ServletException;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;public class Output extends HttpServlet {private static final long serialVersionUID = 1L;public Output() {// TODO Auto-generated constructor stub}protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {String school=request.getParameter("schoolname");response.sendRedirect("welcome.jsp?);}protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {}}welcome.jsp:<%=request.getParameter("school") %>

A. school="+schoolname
B. school="+school
C. schoolname="+school
D. schoolname="+schoolname

页面重定向问题（Serlvet负责逻辑运算，jsp负责输入输出）：传递表单数据到Serlvet，然后在Serlvet中将接收的表单数据去计算它的字符长度，在页面重定向时作为页面welcome.jsp的请求参数，由welcome.jsp负责显示。仔细阅读下列程序：input.jsp:
Output.java:import java.io.IOException;import javax.servlet.ServletException;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;public class Output extends HttpServlet {private static final long serialVersionUID = 1L;public Output() {// TODO Auto-generated constructor stub}protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {String school=request.getParameter("schoolname");response.sendRedirect("welcome.jsp?len="+len);}protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {}}welcome.jsp:输出长度值<%=request.getParameter("len") %>

A. len.length();
B. int schoollen=school.length();
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D. int len = school.length();

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A. 解析法
B. 反转法
C. 范成法
D. 成形法

内燃机配气机构汽门顶杆的行程很短，所凸轮的形式是

A. 盘状凸轮
B. 圆柱凸轮
C. 移动凸轮
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