我必须使用 spring mvc 为银行设计一个非常大规模的项目。我已经选择使用 XML 配置。我关心的是限制服务器的启动时间。将有大约 2000 个控制器。
我已经使用组件扫描来扫描@Controller. 它工作得很好。但是，问题是当我从 XML 中删除组件扫描并在 XML 中使用 bean 配置手动添加控制器 bean 时，它没有在 IOC 容器中创建控制器实例。并给我 404 not found 错误。那么如何在没有 XML 组件扫描的情况下配置控制器。
以下是我的代码示例。有什么帮助吗？
servlet-context.xml
<?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:mvc="http://www.springframework.org/schema/mvc"
xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd
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">
<context:annotation-config/>
<mvc:resources mapping="/resources/**" location="/resources/" />
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/WEB-INF/pages/" />
<property name="suffix" value=".jsp" />
</bean>
<!--<context:component-scan base-package="" />-->
</beans>
根上下文.xml
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd">
<import resource="dataContext/data-context.xml" />
<bean id="contactSetupController" class="com.stl.afs.ci.cca.controller.ContactSetupController">
<property name="contactSetupDao" ref="contactSetupDao" />
</bean>
<bean id="contactSetupDao" class="com.stl.afs.ci.cca.controller.ContactSetupDao" scope="prototype">
<property name="sessionFactory" ref="sessionFactory" />
</bean>
</beans>
ContactSetupController.java
package com.stl.afs.ci.cca.controller;
import org.hibernate.Query;
import org.hibernate.SessionFactory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Lazy;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
@Controller
@RequestMapping("/contactsetup")
public class ContactSetupController {
private static final Logger logger = LoggerFactory.getLogger(ContactSetupController.class);
private ContactSetupDao contactSetupDao;
public void setContactSetupDao(ContactSetupDao contactSetupDao) {
this.contactSetupDao = contactSetupDao;
}
@RequestMapping(method = RequestMethod.GET)
public String index(ModelMap model) {
contactSetupDao.showDepedency();
model.addAttribute("message", "Hello world! Nice to see you in the planet");
return "ci/contactsetup/index";
}
}
ContactSetupDao.java
package com.stl.afs.ci.cca.controller;
import org.hibernate.Query;
import org.hibernate.SessionFactory;
import org.springframework.transaction.annotation.Transactional;
import java.util.List;
/**
* Created by ARNAB on 1/8/2015.
*/
public class ContactSetupDao {
public ContactSetupDao() {
System.out.println("------DAO------");
}
private SessionFactory sessionFactory;
public void setSessionFactory(SessionFactory sessionFactory) {
System.out.println("@@@@@@@@@@@@@@@@@@@@@@@@@@@" + sessionFactory);
this.sessionFactory = sessionFactory;
}
@Transactional(readOnly = true)
public void showDepedency(){
Query query = sessionFactory.getCurrentSession().createSQLQuery("SELECT * FROM customers");
int i = 0;
for (Object o : query.list()) {
i++;
}
System.out.println(i);
}
}