Programmer Think

Views on several methods of dependency injection in spring IOC(inversion of Control): It is an inversion of the direction in which resources are acquired by the container that actively provides the resources acquired by the component, rather than being created by the container itself.All the compo ...

1. Create database first 2. Create project 3. Import required coordinates 4. Configure mybatis (using annotation method), and write SqlMapConfig.xml, the content is as follows (Dao layer configuration), and test <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE configuration PUBLI ...

The second chapter has written the basic configuration method of XML, so this one starts to write the advanced configuration of XML (nothing, maybe I just said that...) Talk less now 1. Relationship between beans: inheritance or dependency If you configure two beans, but find that many of the prope ...

This article is the author's work in the course design. It is mainly published to share the following learning results with you. If there is any omission, please spray lightly Not much nonsense, first of all, source code Student information management system implemented by Java + MySQL This blog is just ...

I. Introduction The    StatementHandler is one of the most core interfaces of Mybatis. He has completed the work related to the interaction between Mybatis and database (the interaction between Mybatis and JDBC on Statement). StatementHandler is mainly used for: Create Statement object Bind ...

1. JDBC principle 1. JDBC API: provides various operation providers, connection statement Preparedstatement resultset; 2. JDBC Driver Manager: manage different data drivers; 3. All kinds of database drivers: database drivers provided by corresponding database manufacturers, which link to directly oper ...

Talk about the code generator, some technical solutions, details Interface Overview Checklist Code structure Generic code target In order to simplify the code and generate template code, we have code generator. premise The premise of code generator is that there are already some templated and standardized code. Such as general DAO layer, S ...

MySQL database installation configuration In order to see / operate the database easily and intuitively, Navicat Premium software is generally installed to support multiple databases. There is not much nonsense in the installation process, mainly referring to the following connections, no pit in hand test, which are the main ...

For simple requirements, I found a complete project github: data can be migrated through configurationhttps://github.com/Lifedance/DataTransfer Thank you very much. But it's a pity that I can't use it in my project. It's estimated that the project is not perfect, or maybe it's for safety My table can never be written. But I can ...

Source code: GitHub point here || GitEE point here 1, C3P0 connection pool 1. C3P0 introduction C3P0 is an open source JDBC connection pool. The application program initializes the database connection according to the C3P0 configuration, and can automatically reclaim the function of idle connection. 2. Core dependency <dependency> & ...