SpringMVC的问题No mapping found for HTTP request with URI

Posted 2020-09-18 北极的大企鹅

做了一个屏蔽进数据库的操作:

Applicaition.xml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:tx="http://www.springframework.org/schema/tx"
    xmlns:aop="http://www.springframework.org/schema/aop" xmlns:context="http://www.springframework.org/schema/context"
    xmlns:p="http://www.springframework.org/schema/p"
    xsi:schemaLocation="http://www.springframework.org/schema/beans
    http://www.springframework.org/schema/beans/spring-beans-3.2.xsd
    http://www.springframework.org/schema/context
    http://www.springframework.org/schema/context/spring-context-3.2.xsd
    http://www.springframework.org/schema/tx
    http://www.springframework.org/schema/tx/spring-tx-3.2.xsd
    http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.2.xsd">


    <!-- 配置数据源，记得去掉myBatis-config.xml的数据源相关配置 -->
    <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
        <property name="driverClass" value="com.mysql.jdbc.Driver" />
        <property name="jdbcUrl"
            value="jdbc:mysql://localhost:3306/mybatis2?useUnicode=true&amp;characterEncoding=UTF-8" />
        <property name="user" value="root" />
        <property name="password" value="123456" />
    </bean>
    <!-- 配置session工厂 -->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="dataSource" ref="dataSource" />
        <property name="configLocation" value="classpath:mybatis-config.xml" />
    </bean>

    <!-- 配置事务管理器,管理数据源事务处理 -->
    <bean id="transactionManager"
        class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <property name="dataSource" ref="dataSource" />
    </bean>
    <!-- 配置事务通知 -->
    <tx:advice id="advice" transaction-manager="transactionManager">
        <tx:attributes>
            <!-- 默认只处理运行时异常，可加rollback-for="Exception/Throwable"等处理所有异常或包括错误 -->
            <tx:method name="insert*" propagation="REQUIRED"
                rollback-for="Exception" />
            <tx:method name="update*" propagation="REQUIRED"
                rollback-for="Exception" />
            <tx:method name="delete*" propagation="REQUIRED"
                rollback-for="Exception" />
            <tx:method name="*" propagation="SUPPORTS" />
        </tx:attributes>
    </tx:advice>

    <!-- 配置SessionTemplate，已封装了繁琐的数据操作 -->
    <bean id="sqlSessionTemplate" class="org.mybatis.spring.SqlSessionTemplate"
        scope="prototype">
        <constructor-arg name="sqlSessionFactory" ref="sqlSessionFactory" />
    </bean>

    <!-- 配置切面织入的范围,后边要把事务边界定在service层 -->
    <aop:config>
        <aop:advisor advice-ref="advice"
            pointcut="execution(* com.liuyang.crm.service.Imp.*.*(..))" />
    </aop:config>


    <context:component-scan base-package="com.liuyang" />
    <!--context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller" 
        /> </context:component-scan -->

</beans>

防止错误数据进入的屏蔽

 <context:component-scan base-package="com.liuyang" />
    <!--context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller" 
        /> </context:component-scan -->

这里其实注销掉,也是好使的.加上了就出现文章上边的找不到url地址注入的错误.

spring-mvc.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" xmlns:p="http://www.springframework.org/schema/p"
    xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.2.xsd
    http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.2.xsd
    http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd
    ">
    
    <!-- 同时开启json格式的支持 -->
    <mvc:annotation-driven></mvc:annotation-driven>
    
    <context:component-scan base-package="com.liuyang">
        <context:include-filter type="annotation"
            expression="org.springframework.stereotype.Controller" />
        <context:exclude-filter type="annotation"
            expression="org.springframework.stereotype.Service" />
    </context:component-scan>

</beans>

这里配置屏蔽就可以,这样数据库同样不进错误数据.

<context:component-scan base-package="com.liuyang">
        <context:include-filter type="annotation"
            expression="org.springframework.stereotype.Controller" />
        <context:exclude-filter type="annotation"
            expression="org.springframework.stereotype.Service" />
    </context:component-scan>

@Override
	public int insertDept(Dept dept) throws Exception {
		int i = 0;
		i = deptDao.insertDept(dept);
		Integer.parseInt("aa");
		return i;
	}

希望对您有帮助,感谢您的观看.