说实话，参考了很多网上的文章，压根无法调通。
而且SpringMVC的这部分知识，我也基本没有搞懂。
好在他的代码是通的，我们来看看效果：
web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://java.sun.com/xml/ns/j2ee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
version="2.4"
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
<display-name>RepositoryCheck HUB</display-name>
<!-- dao和service层的Spring配置文件 -->
<!-- access的配置文件是accessContext.xml; mysql的配置文件是mysqlContext.xml -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:/mysqlHibernateContext.xml</param-value>
</context-param>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<!-- 作用：Spring管理hibernate的Session，在事务管理的类执行完后，不立刻关闭Session， 而将Session保存在一个线程变量中，在线程退出前关闭Session；这样在整个request过程中 始终使用一个session，也就可以在request的任何时期lazy loading数据。 主要是为了实现hibernate的延迟加载功能 -->
<filter>
<filter-name>OpenSessionInViewFilter</filter-name>
<filter-class>org.springframework.orm.hibernate5.support.OpenSessionInViewFilter</filter-class>
<init-param>
<param-name>sessionFactoryBeanName</param-name>
<param-value>sessionFactory</param-value>
</init-param>
<init-param>
<param-name>singleSession</param-name>
<param-value>true</param-value>
</init-param>
<init-param>
<param-name>flushMode</param-name>
<param-value>AUTO</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>OpenSessionInViewFilter</filter-name>
<url-pattern>*.html</url-pattern>
</filter-mapping>
<!-- web层的Spring配置文件 -->
<servlet>
<servlet-name>ruku</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>ruku</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
<!-- 过滤器 编码 防止中文乱码 -->
<filter>
<filter-name>encodingFilter</filter-name>
<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
<init-param>
<param-name>encoding</param-name>
<param-value>UTF-8</param-value>
</init-param>
<init-param>
<param-name>forceEncoding</param-name>
<param-value>true</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>encodingFilter</filter-name>
<url-pattern>*.html</url-pattern>
</filter-mapping>
<filter-mapping>
<filter-name>encodingFilter</filter-name>
<url-pattern>*.jsp</url-pattern>
</filter-mapping>
<!-- 默认入口访问文件 -->
<welcome-file-list>
<welcome-file>index.html</welcome-file>
</welcome-file-list>
</web-app>
spring核心配置文件（这个文件没有改）
<?xml version="1.0" encoding="UTF-8"?>
<!-- 集成hibernate之后的Spring的applicationContext配置文件 -->
<!-- mysql dao和service层的Spring配置文件 -->
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:p="http://www.springframework.org/schema/p"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:util="http://www.springframework.org/schema/util"
xmlns:jdbc="http://www.springframework.org/schema/jdbc"
xmlns:cache="http://www.springframework.org/schema/cache"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xsi:schemaLocation="http://www.springframework.org/schema/beans
classpath:/org/springframework/beans/factory/xml/spring-beans.xsd
http://www.springframework.org/schema/context
classpath:/org/springframework/context/config/spring-context.xsd
http://www.springframework.org/schema/aop
classpath:/org/springframework/aop/config/spring-aop.xsd
http://www.springframework.org/schema/tx
classpath:/org/springframework/transaction/config/spring-tx.xsd
http://www.springframework.org/schema/jdbc
classpath:/org/springframework/jdbc/config/spring-jdbc.xsd
http://www.springframework.org/schema/mvc
classpath:/org/springframework/web/servlet/config/spring-mvc.xsd">
<context:component-scan base-package="com.tsmi.hibernate.web"/>
<context:component-scan base-package="com.tsmi.hibernate.service"/>
<context:component-scan base-package="com.tsmi.hibernate.dao"/>
<context:component-scan base-package="com.tsmi.mysql.dao"/>
<context:component-scan base-package="com.tsmi.mysql.service"/>
<!-- context:component-scan base-package="com.tsmi.mysql.web"/-->
<context:component-scan base-package="com.tsmi.RepositoryCheck.dao"/>
<context:component-scan base-package="com.tsmi.RepositoryCheck.service"/>
<!-- context:component-scan base-package="com.tsmi.RepositoryCheck.web"/-->
<!--com.mysql.cj.jdbc.Driver-->
<!--配置文件-->
<bean id="propertyConfig" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<property name="locations">
<list>
<value>classpath:/mysqlHibernateContext.properties</value>
</list>
</property>
</bean>
<!-- 配置mysql数据源, 阿里巴巴的druid-->
<bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource"
destroy-method="close"
p:driverClassName="${jdbc.driver}"
p:url="${jdbc.url}"
p:username="${jdbc.username}"
p:password="${jdbc.password}"
p:initialSize="${ds.initialSize}"
p:minIdle="${ds.minIdle}"
p:maxActive="${ds.maxActive}"
p:maxWait="${ds.maxWait}"
p:timeBetweenEvictionRunsMillis="${ds.timeBetweenEvictionRunsMillis}"
p:minEvictableIdleTimeMillis="${ds.minEvictableIdleTimeMillis}"
p:removeAbandoned="${ds.removeAbandoned}"
p:removeAbandonedTimeout="${ds.removeAbandonedTimeout}"
p:defaultAutoCommit="true" />
<!-- spring为集成hibernate提供的LocalSessionFactoryBean -->
<!-- 指定数据源 -->
<bean id="sessionFactory" class="org.springframework.orm.hibernate5.LocalSessionFactoryBean">
<property name="dataSource" ref="dataSource"/>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop>
<prop key="hibernate.show_sql">true</prop>
<prop key="hibernate.format_sql">true</prop>
</props>
</property>
<property name="packagesToScan" value="com.tsmi.hibernate.entity"/>
</bean>
<!-- 配置Hibernate的事务管理器 ： 注入SessionFactory 会话工厂 -->
<bean id="transactionmanager" class="org.springframework.orm.hibernate5.HibernateTransactionManager">
<property name="sessionFactory" ref="sessionFactory"/>
</bean>
<!-- 事务 aop 配置-->
<aop:config>
<!-- 定义一个切入点-->
<aop:pointcut id="serviceMethods"
expression="execution(* com.tsmi..*.service.*Service.*(..))" />
<!-- 对切入点和事务的通知，进行适配-->
<aop:advisor advice-ref="txAdvice" pointcut-ref="serviceMethods" />
</aop:config>
<!-- 事务管理 通知 -->
<tx:advice id="txAdvice" transaction-manager="transactionmanager">
<tx:attributes>
<!-- 定义以下开头的方法名都是只读的模式 -->
<tx:method name="select*" read-only="true" />
<tx:method name="count*" read-only="true" />
<tx:method name="get*" read-only="true" />
<tx:method name="query*" read-only="true" />
<tx:method name="find*" read-only="true" />
<tx:method name="load*" read-only="true" />
<!-- 其他所有方法都使用事务 -->
<tx:method name="*" propagation="REQUIRED" read-only="false"
rollback-for="Exception" />
</tx:attributes>
</tx:advice>
<!-- -->
<tx:annotation-driven transaction-manager="transactionmanager"/>
<!-- 配置JdbcTemplate -->
<bean id="jdbcTemplate"
class="org.springframework.jdbc.core.JdbcTemplate">
<property name="dataSource" ref="dataSource"/>
</bean>
</beans> spring-mvc配置文件
<!--web层spring配置文件 -->
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xsi:schemaLocation="http://www.springframework.org/schema/beans
classpath:/org/springframework/beans/factory/xml/spring-beans.xsd
http://www.springframework.org/schema/context
classpath:/org/springframework/context/config/spring-context.xsd
http://www.springframework.org/schema/mvc
classpath:/org/springframework/web/servlet/config/spring-mvc.xsd">
<!-- 装载web层的controller -->
<context:component-scan base-package="com.tsmi.hibernate.web" />
<!-- 支持返回json(避免IE在ajax请求时，返回json出现下载 ) -->
<bean class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter">
<property name="messageConverters">
<list>
<bean class="com.tsmi.hibernate.interceptor.FastJsonHttpMessageConverter">
<!-- <property name="supportedMediaTypes">
<list>
<value>application/json;charset=UTF-8</value>
<value>text/plain;charset=UTF-8</value>
</list>
</property> -->
<property name="features">
<array>
<!--
QuoteFieldNames-输出key时是否使用双引号,默认为true WriteMapNullValue-是否输出值为null的字段,默认为false
WriteNullNumberAsZero-数值字段如果为null,输出为0,而非null WriteNullListAsEmpty-List字段如果为null,输出为[],而非null
WriteNullStringAsEmpty-字符类型字段如果为null,输出为"",而非null WriteNullBooleanAsFalse-Boolean字段如果为null,输出为false,而非null
DisableCircularReferenceDetect 避免默认的循环引用替换 WriteDateUseDateFormat Date的日期转换器
-->
<value>QuoteFieldNames</value>
<value>WriteMapNullValue</value>
<value>WriteNullStringAsEmpty</value>
<value>WriteNullNumberAsZero</value>
<value>DisableCircularReferenceDetect</value>
<value>WriteDateUseDateFormat</value>
</array>
</property>
</bean>
</list>
</property>
</bean>
<!-- 为视图解析器 配置前缀和后缀-->
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"
p:prefix="/WEB-INF/jsp/" p:suffix=".jsp" />
</beans> 上面三个配置文件
然后下面是controller代码：
@RequestMapping("/dologin")
@ResponseBody
public ResultBean getRecordNewDefault(HttpServletRequest request, User user) {
User us1 = rus.getOneUser(user.getPernr());
ResultBean result = new ResultBean();
if (us1 == null) {
System.out.println("用户不存在");
} else if (!us1.getKeystr().equals(rus.EncodeFunc(user.getKeystr()))) {
System.out.println("密码不对");
} else {
try {
List<User> rl1 = rus.getUsers();
result.setData(rl1);
} catch (Exception e) {
result.setSuccess(false);
result.setMessage(e.getMessage());
}
}
return result;
}