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tiles是干什么的,如何去用,应该注意什么问题.

3

1

tiles

class="cursor-pointer"> 详细描述

该问题已被官方收录

使用tiles框架出错

1

tiles

class="cursor-pointer"> 详细描述

org.apache.jasper.JasperException: An exception occurred processing JSP page /WEB-INF/jsp/pages.jsp at line 16

13: </head>
14: <body style="text-align: center;margin: auto;">
15: <div id="header">
16:     <t:insertAttribute name="header"/>
17: </div>
18: <div id="content">
19:     <t:insertAttribute name="body"/>

Stacktrace:
	org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:594)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:491)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:395)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:339)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
	org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel(InternalResourceView.java:168)
	org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:303)
	org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1244)
	org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1027)
	org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:971)
	org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893)
	org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:966)
	org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:857)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:624)
	org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:842)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
	org.springframework.web.filter.HttpPutFormContentFilter.doFilterInternal(HttpPutFormContentFilter.java:87)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:85)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
Root Cause

org.apache.tiles.template.NoSuchAttributeException: Attribute 'header' not found.
	org.apache.tiles.template.DefaultAttributeResolver.computeAttribute(DefaultAttributeResolver.java:50)
	org.apache.tiles.template.InsertAttributeModel.resolveAttribute(InsertAttributeModel.java:165)
	org.apache.tiles.template.InsertAttributeModel.execute(InsertAttributeModel.java:121)
	org.apache.tiles.jsp.taglib.InsertAttributeTag.doTag(InsertAttributeTag.java:299)
	org.apache.jsp.WEB_002dINF.jsp.pages_jsp._jspx_meth_t_005finsertAttribute_005f0(pages_jsp.java:143)
	org.apache.jsp.WEB_002dINF.jsp.pages_jsp._jspService(pages_jsp.java:95)
	org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:453)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:395)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:339)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
	org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel(InternalResourceView.java:168)
	org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:303)
	org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1244)
	org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1027)
	org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:971)
	org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893)
	org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:966)
	org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:857)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:624)
	org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:842)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
	org.springframework.web.filter.HttpPutFormContentFilter.doFilterInternal(HttpPutFormContentFilter.java:87)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:85)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
Note The full stack trace of the root cause is available in the server logs.

class="cursor-pointer"> 错误截图

该问题已被官方收录

阿里云版本问题导致bug

0

1

第三方API调用

class="cursor-pointer"> 详细描述

该问题已被官方收录

jsp页面显示出问题

1

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

该问题已被官方收录

带有自增ID的数据表，对数据表插入数据的时候无法

1

数据库

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

class="cursor-pointer"> 源码

<?xml version="1.0" encoding="utf-8" ?>
<!DOCTYPE mapper
        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">

<!-- 配置命名空间，namespace的名字需要对应相应的接口名-->
<mapper namespace="com.dao.StudentMapper">
    <select id="selectStudentById" parameterType="long" resultType="com.pojo.Student">
        SELECT * FROM  student where  id =#{id}
    </select>

    <select id="selectStudentByName" parameterType="String" resultType="com.pojo.Student">
        SELECT * FROM  student where  name like CONCAT('%', #{name}, '%')
    </select>

    <insert id="insertStudent" parameterType="com.pojo.Student" keyProperty="id" useGeneratedKeys="true" >
        INSERT INTO student (age,sex,school,name,create_at,update_at) values
         (#{age} ,#{sex}, #{school} , #{name},#{create_at},#{update_at})
    </insert>

    <delete id="deleteStudentById" parameterType="long">
        delete from student where id=#{id}
    </delete>

    <update id="updateStudentById" parameterType="com.pojo.Student" >
        UPDATE student set age=#{age},sex=#{sex} ,school=#{school},name=#{name} ,update_at=#{update_at} where id=#{id}
    </update>

    <select id="selectStudent" resultType="com.pojo.Student">
        select * from student
    </select>
</mapper>

该问题已被官方收录

JDBC中连接数据库Class.Forname()参数问题

1

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图