我正在尝试渲染视图。我正在使用 apache tails、jetty 和 Spring。我在general.xml 中映射了视图。当我单击表 users 上的 id 以查看单个用户的视图时,页面崩溃。
通用.xml
<?xml version="1.0" encoding="ISO-8859-1" ?>
<!DOCTYPE tiles-definitions PUBLIC
"-//Apache Software Foundation//DTD Tiles Configuration 3.0//EN"
"http://tiles.apache.org/dtds/tiles-config_3_0.dtd">
<tiles-definitions>
<definition name="common" template="/WEB-INF/layouts/classic.jsp">
<put-attribute name="footer" value="/WEB-INF/layouts/footer.jsp" />
</definition>
<definition name="index" extends="common">
<put-attribute name="title" value="Java Blog Aggregator" />
<put-attribute name="body" value="/WEB-INF/jsp/index.jsp" />
<put-attribute name="current" value="index"></put-attribute>
</definition>
<definition name="users" extends="common">
<put-attribute name="title" value="Users" />
<put-attribute name="body" value="/WEB-INF/jsp/users.jsp" />
<put-attribute name="current" value="users"></put-attribute>
</definition>
<definition name="user-detail" extends="common">
<put-attribute name="title" value="User detail" />
<put-attribute name="body" value="/WEB-INF/jsp/user-detail.jsp" />
<put-attribute name="current" value="users"></put-attribute>
</definition>
</tiles-definitions>
用户控制器.java
package cr.test.jba.controller;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.portlet.bind.annotation.ResourceMapping;
import cr.rgarcia.jba.service.UserService;
@Controller
public class UserController {
@Autowired
UserService userService;
@RequestMapping("/users")
public String users(Model model){
model.addAttribute("users",userService.findAll());
return "users";
}
@ResourceMapping("/users/{id}")
public String detail(Model model, @PathVariable int id){
model.addAttribute("user", userService.findOne(id));
return "user-detail";
}
}
users.jsp 的一部分
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<%@ taglib uri="http://www.springframework.org/tags" prefix="spring"%>
<table class="table table-bordered table-hover table-striped">
<thead>
<tr>
<th>ID</th>
<th>User Name</th>
</tr>
</thead>
<tbody>
<c:forEach items="${users}" var="user">
<tr>
<td><a href="<spring:url value="/users/${user.id}.html" />">
${user.id} </a></td>
<td>${user.name}</td>
</tr>
</c:forEach>
</tbody>
</table>
用户详细信息.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<%@ taglib uri="http://www.springframework.org/tags" prefix="spring"%>
<h1> ${ user.name } </h1>
web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
<display-name>Springapp</display-name>
<welcome-file-list>
<welcome-file>index.html</welcome-file>
<welcome-file>index.htm</welcome-file>
<welcome-file>index.jsp</welcome-file>
<welcome-file>default.html</welcome-file>
<welcome-file>default.htm</welcome-file>
<welcome-file>default.jsp</welcome-file>
</welcome-file-list>
<servlet>
<servlet-name>dispatcher</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>dispatcher</servlet-name>
<url-pattern>*.html</url-pattern>
<url-pattern>*.htm</url-pattern>
<url-pattern>*.json</url-pattern>
<url-pattern>*.xml</url-pattern>
</servlet-mapping>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
</web-app>