异常信息如下：
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2019-02-13 19:33:46.931 ERROR 1992 --- [p-nio-80-exec-3] o.a.c.c.C.[.[.[/].[dispatcherServlet] : Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.binding.BindingException: Parameter 'username' not found. Available parameters are [arg1, arg0, param1, param2]] with root cause org.apache.ibatis.binding.BindingException: Parameter 'username' not found. Available parameters are [arg1, arg0, param1, param2] |
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原因在于今天用mybatis查询时，传递了两个参数。
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Blogger selectByNameAndPassword(String username, String password); |
而这样的话匹配不到，需要用注解@Param即可。
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Blogger selectByNameAndPassword(@Param("username")String username, @Param("password") String password) |
