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There are several ways to realize the paging of the mybatis framework. The simplest is to use the native sql keyword limit. The other is to use the interceptor to splice sql to achieve the same functions as limit. The other is to use the PageHelper. Here are three common implementation methods: No matter which implementation method is used, we ...

Connecting Spring (1) Connecting Spring (2) 1, Integrate MyBatis The integration process is equivalent to transferring some contents written in the MyBatis configuration file to the Spring configuration file. Instead of creating objects through code, various MyBatis classes use the < bean > tag to create beans. Change the SqlSession ...

Introduction to MyBatis MyBatis is an excellent persistence layer framework that supports common SQL queries, stored procedures and advanced mapping. MyBatis eliminates almost all the manual setting of JDBC code and parameters and the retrieval encapsulation of result sets. MyBatis can use simple XML or annotations for configuration and origin ...

The importance of caching is self-evident. Using cache, we can avoid frequent interaction with the database, especially when the more queries and the higher the cache hit rate, the use of cache can significantly improve the performance. mybatis also provides cache support, which is divided into L1 cache and L2 cache. H ...

Mybatis series article navigation MyBatis provides plug-in functions, allowing other developers to develop plug-ins for MyBatis to extend the functions of MyBatis. With this plug-in function, developers can extend the functions of MyBatis. Develop a plug-in Before learning the source code, we must first know what functions it has and w ...

1. Project overview 1.1 SSM framework advantages The framework is easy to use and lightweightLow code intrusionMature community and user base 1.2 introduction to relevant technologies 1.MySQL Table designSQL skillsTransaction and row level locks 2.MyBatis Design and development of DAO layerMyBatis rational useMyBatis and Spring i ...

13.1 introduction In the process of program development, we often need a lot of program debugging and troubleshooting. In the beginning stage, we often use South and debug to debug the program. The output information of the console is not detailed enough most of the time, so the log factory was born. We can more easily view the background log ...

At present, most of what Baidu can search are aop and multi data source management implemented separately. It is complex to use, and it is not very perfect. For example, whether to consider nested transactions and the support method of multi data source transactions, many bloggers are not involved. Most of them are simple Interception Based on ...

In this article, I will introduce the source code of the plug-in. The MyBatis plug-in is a good function, similar to Spring's Aop, so that our users can operate SQL flexibly at specific points of the process. Allow me to quote an online introduction because I think it is well summarized: MyBatis allows us to intercept and call a certain point ...

1. When the front and rear ends are connected, the list cannot be found when the private message list is displayed Error code: //List.jsp: <td><a href="/communications/${receiver}">private letter</a></td> Error reporting reason: MessageControl. The method call to return the private message page of the specified user ...