这是spring的配置<?xml version="1.0" encoding="UTF-8"?><beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx" xmlns:context="http://www.springframework.org/schema/context" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd"> <!-- 给FACTORY 提供数据源的配置 --> <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource"> <property name="driverClassName" value="com.mysql.jdbc.Driver"></property> <property name="url" value="jdbc:mysql://localhost:3306/newsystem"></property> <property name="username" value="root"></property> <property name="password" value="123456"></property> </bean> <!-- 将MYBATIS的SqlSessionFactory 交给SPRING IOC容器管理，factory的生命周期受容器的控制 --> <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"> <property name="dataSource" ref="dataSource"></property> <!-- <property name="configLocation" value="classpath:MyBatis-Configuration.xml"></property>--> </bean> <!-- 配置dao --> <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer"> <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property> <property name="basePackage" value="com.news.mapper"></property> </bean> <!-- Service --> <bean id="commentsService" class="service.CommentsService"/> <bean id="newsService" class="service.NewsService"/> <bean id="newsUsersService" class="service.NewsUsersService"/> <bean id="topicService" class="service.TopicService"/> <!-- 该 BeanPostProcessor 将自动起作用，对标注 @Autowired 的 Bean 进行自动注入 --> <bean class="org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor"/> </beans>我是用注解方式是用spring创建对象这里的两个对象topicService和newsService调试出都是空的，这是为什么？package jsp;import java.io.IOException;import java.util.List;import javax.servlet.ServletException;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import javax.servlet.http.HttpSession;import org.springframework.beans.factory.annotation.Autowired;import com.news.pojo.News;import com.news.pojo.Topic;import service.NewsService;import service.TopicService;import yewu.Execute;public class indexJsp implements Execute{ @Autowired private TopicService topicService; @Autowired private NewsService newsService; public void setTopicService(TopicService topicService) { this.topicService = topicService; } public void setNewsService(NewsService newsService) { this.newsService = newsService; } @Override public void execute(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { request.setCharacterEncoding("UTF-8"); HttpSession session=request.getSession(); if(request.getParameter("login")==null){ }else if(request.getParameter("login").equals("0")){ session.removeAttribute("name"); } List<News> list5; List<News> list6; int limit1; if(request.getParameter("page")!=null){ limit1=Integer.parseInt(request.getParameter("page")); }else{ limit1=0; } int limit2=10; if(request.getParameter("ntid")!=null){ list5=newsService.jingqueNews(Integer.parseInt(request.getParameter("ntid")),limit1,limit2); list6=newsService.jingqueNews(Integer.parseInt(request.getParameter("ntid"))); }else{ list5=newsService.jingqueNews(1,limit1,limit2); list6=newsService.jingqueNews(1); } int limitMax=list6.size(); List<News> list1=newsService.guoleiNews(); List<News> list3=newsService.yuleNews(); List<News> list2=newsService.guojiNews(); List<Topic> list=topicService.chaxun(); request.setAttribute("list1", list1); request.setAttribute("list2", list2); request.setAttribute("list3", list3); request.setAttribute("list", list); request.setAttribute("list5", list5); request.setAttribute("limit1", limit1); request.setAttribute("limitMax", limitMax); request.getRequestDispatcher("index.jsp").forward(request, response); } }spring的框架日志显示是启动成功的九月 20, 2017 6:15:05 下午 org.apache.catalina.core.ApplicationContext log信息: Initializing Spring root WebApplicationContextlog4j:WARN No appenders could be found for logger (org.springframework.web.context.ContextLoader).log4j:WARN Please initialize the log4j system properly.log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
添加回答
举报
0/150
提交
取消