Programmer Group

- Restore content to start In the process of project, we encountered the situation that we need to access two databases in a project. We found that the transaction could not be rolled back properly because of the routine spring management. Therefore, we adopt the distributed data source mode of jta+atomikos to manage the transaction. Make a rec ...

This article refers to two well-written blog posts. 1.http://blog.csdn.net/mmliuman/article/details/52797441 2.http://blog.didispace.com/ The second blog address contains a systematic article that can be perfectly learned from Spring boot. Because Spring boot officially does not recommend JSP as a page engine, so I ...

1. Learning plan 1. Input Mapping and Output Mapping a) Input parameter mapping b) Return value mapping 2. Dynamic sql a) If tag b) Where label c) Sql fragment d) Foreach tag 3. Association Query a) One-to-one Association b) One-to-many Association 4. Mybatis Integration spring a) How to integrate spring b) Developing dao in a primitive way c) ...

Integrating MyBatis in Spring is not much to say. Spring Boot has been used extensively recently, so tidy up the steps of integrating MyBatis in Spring Boot. I searched Spring Boot's articles on integrating MyBatis, and the methods are old and cumbersome. After reviewing the documentation, we have actually supported simpler integration and use. ...

This article describes in detail how to build a Spring+Spring MVC+Maven+Mybatis+MySQL project environment.Installation and configuration of eclipse, maven and mysql are not discussed here for reference. Here. Start building projects:1.mysql database and table preparation: CREATE TABLE `T_USER` ( `id` bigint(20) NOT NULL AUTO_INCREMENT, `us ...

This blog is about one-to-many mapping. Take the class as an example. On the basis of the previous project: 1. Create a new table t_grade in the database and add data: Establish a one-to-many association between the table and t_student: Add the field gradeId in table t_student: 2. new class Grade: package com.test.model; import j ...