I want to use the example class of mybatis to generate the following sql statement: SELECT * FROM User where nick_name like "%1502%" or real_name like "%1502%" or mobile like "%1502%" this is how I used it: UserExample u...
there is a problem that I can t solve when I just learned ssm,. No, no, no. The directory structure is as follows error message: Caught exception while allowing TestExecutionListener [org.springframework.test.context.support.DependencyInjectionTes...
first, there is a field of Date type in the database. If you want to query all the records of 2018-04-08, but ignore the following time, minutes and seconds, how do you write the query statement and the mybatis mapping file? ...
when using MyBatis, there is a problem with an incomprehensible SELECT statement. <select id="getHotelList" resultType="com.genius.travelline.product.entity.Hotel"> SELECT a.id AS "id", a.title AS "t...
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when using Mybatise, I use the following code to operate on the database. No error is reported, and it executes successfully, but the database does not find data @Test public void testInsertUser(){ SqlSession sqlSession = sessionFactory.o...
Multi-table management, because the sum operation is used, so even if there is no data mybatis query will become one. The result is that null, if the default value is set on the sum, such as 0, it will return a piece of data that only the field sum is 0....
use mybatis to configure custom secondary cache. Using xml annotation can use < cache type= "com.test.dao.MybatisRedisCache " > to successfully use custom cache, but using @ CacheNamespace (implementation = MybatisRedisCache.class) on the dao i...
the .xml file of mybatis in spring-boot can only be placed under resources mappper, like this: put together with the interface, not uniformly placed under the resources mapper, separate, easy to manage. thanks! ...
the project I wrote in koa2 is ready to be deployed on the test server. The server has pm2, installed and started. Do you need nginx configuration? and after I started, I seemed to prompt that the mongodb service did not start, how should I start it? ...
I have encountered some bottlenecks recently. I always feel that I don t know how to improve my level. I want to see what level you think the three-year php should have ...
problem description Chinese is garbled when a byte array transfer string is received through websocket the environmental background of the problems and what methods you have tried websocketUTF-8 vue related codes Please paste the code text...
in www.jd.id, there are the following floors ] you can click the button on the left and right to switch content. How can this be realized? ...
I originally wanted to learn what I saw on the web page, but found that I could not modify the style and debug it. May I ask the gods what this situation is like in the picture? Firefox can modify the debug style, but find the internal style sheet an...