• 2021-04-14 问题

    阅读下面代码片段: Servlet1: response.setContentType("text/html;charset=gbk"); response.getWriter().write("传播智慧"); request.getRequestDispatcher("/servlet/Servlet2") .forward(request,response); response.sendRedirect("/app/servlet/Servlet3"); Servlet2: response.getWriter().write("收获成长"); 请问当浏览器访问Servlet1时会有什么样的输出

    阅读下面代码片段: Servlet1: response.setContentType("text/html;charset=gbk"); response.getWriter().write("传播智慧"); request.getRequestDispatcher("/servlet/Servlet2") .forward(request,response); response.sendRedirect("/app/servlet/Servlet3"); Servlet2: response.getWriter().write("收获成长"); 请问当浏览器访问Servlet1时会有什么样的输出

  • 2021-04-14 问题

    在servlet1中的doGet和doPost方法中只有如下代码: request .setAttribute("jb","aPtech"); response .sendRedirect("http://localhost:8080/servlet/Servlet2"); 那么在Servlet2 中使用( )可以把属性jb的值取出来。

    在servlet1中的doGet和doPost方法中只有如下代码: request .setAttribute("jb","aPtech"); response .sendRedirect("http://localhost:8080/servlet/Servlet2"); 那么在Servlet2 中使用( )可以把属性jb的值取出来。

  • 2022-06-12 问题

    在servlet中的doGet和doPost方法中只有如下代码: () A: quest.setAttribute(”jb”,”aPtech”); B: sponse.sendRedirect(”http://localhost:8080/servlet/Servlet2”); C: 在Servlet2 中使用()可以把属性jb的值取出来 D: String str = request.getAttribute(“jb”); E: String sir =(String)request.getAttribute(“jb”); F: Object str = request.getAttribute(“jb“); G: 取不出来

    在servlet中的doGet和doPost方法中只有如下代码: () A: quest.setAttribute(”jb”,”aPtech”); B: sponse.sendRedirect(”http://localhost:8080/servlet/Servlet2”); C: 在Servlet2 中使用()可以把属性jb的值取出来 D: String str = request.getAttribute(“jb”); E: String sir =(String)request.getAttribute(“jb”); F: Object str = request.getAttribute(“jb“); G: 取不出来

  • 2022-06-11 问题

    阅读下面代码片段: Servlet1: response.setCharacterEncoding("utf-8"); response.setHeader("Content-Type", "text/html;charset=utf-8"); response.getWriter().write("传播"); request.getRequestDispatcher("/servlet/Servlet2") .forward(request,resp onse); Servlet2: response.getWriter().write("智慧"); request.getRequestDispatcher("/servlet/Servlet3") .forward(request,response); response.setHeader("Content-Type", "text/html;charset=iso8859-1"); Servlet3: response.getWriter().write("挥洒汗水"); 请问当浏览器访问Servlet1时会有什么样的输出:

    阅读下面代码片段: Servlet1: response.setCharacterEncoding("utf-8"); response.setHeader("Content-Type", "text/html;charset=utf-8"); response.getWriter().write("传播"); request.getRequestDispatcher("/servlet/Servlet2") .forward(request,resp onse); Servlet2: response.getWriter().write("智慧"); request.getRequestDispatcher("/servlet/Servlet3") .forward(request,response); response.setHeader("Content-Type", "text/html;charset=iso8859-1"); Servlet3: response.getWriter().write("挥洒汗水"); 请问当浏览器访问Servlet1时会有什么样的输出:

  • 2021-04-14 问题

    【单选题】有如下一些映射关系: /abc/* 映射到Servlet1 /* 映射到Servlet2 /abc 映射到Servlet3 *.do 映射到Servlet4 当请求URL为“/abc”时,将会执行哪个Servlet A. Servlet1 B. Servlet2 C. Servlet3 D. Servlet4

    【单选题】有如下一些映射关系: /abc/* 映射到Servlet1 /* 映射到Servlet2 /abc 映射到Servlet3 *.do 映射到Servlet4 当请求URL为“/abc”时,将会执行哪个Servlet A. Servlet1 B. Servlet2 C. Servlet3 D. Servlet4

  • 2022-06-12 问题

    在Java Web应用程序中,包含两个名为Servlet1和Servlet2的HttpServlet,在web.xml中指定Servlet2的访问路径为“/Servlet2”,Servlet1的doGet方法中的代码为:[br][/br]PrintWriter out = response.getWriter();[br][/br]out.print (“Servlet”); ______________ context = getServletContext(); RequestDispatcher dispatcher = context.____________(“/servlet2”); [br][/br]dispatcher.___________(____________,response);[br][/br]out.close();[br][/br]Servlet2的doGet方法中的代码为:[br][/br]PrintWriter out = response.getWriter();[br][/br]out.print(“Servlet2”);[br][/br]out.close();[br][/br]如果用户在浏览器中访问Servlet1,则浏览器显示内容为:__________________________

    在Java Web应用程序中,包含两个名为Servlet1和Servlet2的HttpServlet,在web.xml中指定Servlet2的访问路径为“/Servlet2”,Servlet1的doGet方法中的代码为:[br][/br]PrintWriter out = response.getWriter();[br][/br]out.print (“Servlet”); ______________ context = getServletContext(); RequestDispatcher dispatcher = context.____________(“/servlet2”); [br][/br]dispatcher.___________(____________,response);[br][/br]out.close();[br][/br]Servlet2的doGet方法中的代码为:[br][/br]PrintWriter out = response.getWriter();[br][/br]out.print(“Servlet2”);[br][/br]out.close();[br][/br]如果用户在浏览器中访问Servlet1,则浏览器显示内容为:__________________________

  • 2022-06-12 问题

    阅读下面代码片段:Servlet1:response.getWriter().write(“hello,servlet1”);request.getRequestDispatcher().include(“Servlet2”);Servlet2:response.setHeader(“Refresh”,”1”);response.getWriter().write(“,servlet2”); A: 正常显示:hello,servlet1,servlet2 B: 正常显示:hello,servlet1,servlet2,并且页面会不断刷新 C: 正常显示:,servlet2 D: 正常显示:hello,servlet1

    阅读下面代码片段:Servlet1:response.getWriter().write(“hello,servlet1”);request.getRequestDispatcher().include(“Servlet2”);Servlet2:response.setHeader(“Refresh”,”1”);response.getWriter().write(“,servlet2”); A: 正常显示:hello,servlet1,servlet2 B: 正常显示:hello,servlet1,servlet2,并且页面会不断刷新 C: 正常显示:,servlet2 D: 正常显示:hello,servlet1

  • 2022-06-12 问题

    阅读下面代码片段: Servlet1: response.getWriter().write(“hello,servlet1”); request.getRequestDispatcher().include(“Servlet2”); Servlet2: response.setHeader(“Refresh”,”1”); response.getWriter().write(“,servlet2”);

    阅读下面代码片段: Servlet1: response.getWriter().write(“hello,servlet1”); request.getRequestDispatcher().include(“Servlet2”); Servlet2: response.setHeader(“Refresh”,”1”); response.getWriter().write(“,servlet2”);

  • 2022-07-28 问题

    请求转发时候我们使用的是RequestDispather对象,假设当前包为test,有servlet1和servlet2。下面从servlet1跳转到servlet2的写法正确的是( ) A: RequestDispatcher rd=context.getRequestDispatcher ("servlet2"); B: RequestDispatcher rd=context.getRequestDispatcher ("/servlet2"); C: RequestDispatcher rd=context.getRequestDispatcher ("test/servlet2"); D: RequestDispatcher rd=context.getRequestDispatcher ("/test/servlet2");

    请求转发时候我们使用的是RequestDispather对象,假设当前包为test,有servlet1和servlet2。下面从servlet1跳转到servlet2的写法正确的是( ) A: RequestDispatcher rd=context.getRequestDispatcher ("servlet2"); B: RequestDispatcher rd=context.getRequestDispatcher ("/servlet2"); C: RequestDispatcher rd=context.getRequestDispatcher ("test/servlet2"); D: RequestDispatcher rd=context.getRequestDispatcher ("/test/servlet2");

  • 2022-06-12 问题

    【单选题】阅读下面代码片段:[br][/br]Servlet1:[br][/br] response.getWriter().write(“hello,servlet1”);[br][/br] request.getRequestDispatcher().include(“Servlet2”);[br][/br]Servlet2: [br][/br] response.setHeader(“Refresh”,”1”);[br][/br] response.getWriter().write(“,servlet2”);[br][/br]下面选项中,关于运行结果说法正确的是( ) A: 正常显示:hello,servlet1,servlet2 B: 正常显示:hello,servlet1,servlet2,并且页面会不断刷新 C: 正常显示:,servlet2 D: 正常显示:hello,servlet1

    【单选题】阅读下面代码片段:[br][/br]Servlet1:[br][/br] response.getWriter().write(“hello,servlet1”);[br][/br] request.getRequestDispatcher().include(“Servlet2”);[br][/br]Servlet2: [br][/br] response.setHeader(“Refresh”,”1”);[br][/br] response.getWriter().write(“,servlet2”);[br][/br]下面选项中,关于运行结果说法正确的是( ) A: 正常显示:hello,servlet1,servlet2 B: 正常显示:hello,servlet1,servlet2,并且页面会不断刷新 C: 正常显示:,servlet2 D: 正常显示:hello,servlet1

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