java.lang.IllegalStateException: Cannot convert value of type ‘java.lang.String‘ to required type ‘c

整合ssm时出现的错误

java.lang.IllegalStateException: Cannot convert value of type ‘java.lang.String’ to required type ‘com.codeyuaiiao.dao.BookMapper’ for property ‘bookMapper’: no matching editors or conversion strategy found

整合ssm时踩过的坑
直接说原因:

    <bean id="BookServiceImpl" class="com.codeyuaiiao.service.BookServiceImpl">
        
       <property name="bookMapper" ref="bookMapper"/>
    bean>

这个地方应该用的是ref而不是value,改成ref即可

这两个属性真的很容易弄混,需要注意!

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