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Mybatis study notes This article is to watch the UP master crazy God of station B say about Video of Mybatis explanation , reference Official documents of Mybatis And CSDN bloggers Black heart white lotus Personal Mybatis notes sorted out by relevant articles. Due to the author's limited ability, there are inevitable mistakes in the article. Y ...

MyBatis 1, Framework overview 1. Three tier architecture Interface layer: deal with users, accept user request parameters and display processing results. (jsp，html，servlet)Business logic layer: accept the data transmitted by the interface layer, calculate logic, call the database and obtain data.Data access layer: it is to access the datab ...

Summary of Mybatis 1. What is mybatis Mybatis is an excellent persistence layer framework that supports custom sql, stored procedures, and advanced mapping. Its prototype is ibatis, which was included by the Apache Foundation and renamed mybatis 2. What can mybatis do? Mybatis can configure and map primitive types using simple XML or annota ...

1. Business background requirements At present, the company where the landlord is located uses the same set of database with the advance environment. The purpose of this is to check the real situation on the acceptance line of the advance environment. However, several configuration tables need to be changed separately in the advance environmen ...

SQL processing In practical application, we need not only simple single table query, but also simultaneous query information of other tables by using MyBatis. To solve this problem, a more advanced result mapping is required. preparation in advance SQL preparation We need a student table and a teacher table. The teacher's primary key is id ...

Chapter III agent of Dao of MyBatis 3.1 dao agent 1.mybatis provides agents: mybatis creates the implementation class object of Dao interface to complete the execution of sql statements. mybatis creates an object to implement class functions instead of your Dao. 2. Requirements for using mybatis agent: 1) the namespace in the mapper fi ...

0. Introduction         This article is used to record my MyBatis learning content. Only some knowledge points that I think are commonly used are compiled. The reference materials are derived from the following:        MyBatis official documents        C language Chinese network compilation materials        Station B crazy ...

SSM mybatis usage process Official teaching Mybatis usage process 1. Import the coordinates of jar or mvan <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>4.11</version> <scope>provided</scope> </dependency> <dependency> <groupId&gt ...

brief introduction What is Mybatis? MyBatis is an excellent persistence layer frameworkIt supports custom SQL, stored procedures, and advanced mapping.MyBatis eliminates almost all JDBC code and the work of setting parameters and obtaining result sets.MyBatis can configure and map primitive types, interfaces and Java POJO s (Plain Old Java ...

Important notes about MyBatis2 are in the following Baidu network disk connection. Welcome to learn together Link: https://pan.baidu.com/s/1zGAtbdQElMTgzUZUSg033w Extraction code: 2ywn Here are some easily forgotten points in my learning process to make another record for follow-up review Step 1: write mybatis configuration file <?xml ver ...