Programmer Group

Recently, a problem was found when using mybatis generator to generate the entity classes corresponding to Oracle database. It is hereby recorded. Because the project uses swagger2, we want to generate the corresponding @ ApiMode and @ ApiModelProperty annotations through table annotations and field annotations when generating entity classes. H ...

1. Create project For Eclipse platform, spring tool suite is installed   File - > New - > other - > spring boot - > spring starter project - > select jdk and other information - > Click Web, select Web, click SQL, select JPA, Mybatis, MYSQL, click next, Finish.   2. Document editing 2.1 modify pom.xml C ...

I. configuration and analysis of spring+mybaits xml in the project Generally, we will configure in datasource.xml as follows, but the principle and purpose of each configuration item is not so clear. If not clear, there will be a pit in use, so we will explain these configuration items one by one (1)Configure data sources <bean id="dataS ...

1. In the actual application scenario, we will use: if the data is in the table, update the data; if the data does not exist, insert the data. In oracle, you can use the merge into implementation, and in mysql, you can use the ON DUPLICATE KEY UPDATE. Here, only the merge into implementation method in oracle is introduced. The sql syntax is a ...

Background description Recently, I wrote reflection-related code and wanted to get the name of the corresponding parameter, but found there was no particularly good way. jdk7 and before was not able to get parameter names through reflection. jdk8 is available, but there are many restrictions on specifying the-parameter startup parameter. I tri ...

Catalog 1. Integration ideas 2. Integrate the required jar package 3. Steps of integration 4. Two implementation methods of Dao development 6. Summary of Dao's development @ Mybatis integration of spring is actually the integration of SM in SSM framework. 1. Integration ideas The id ...

Preface Paging can be said to be a very common function. Most mainstream databases provide physical paging methods, such as Mysql's limit keyword, Oracle's ROWNUM keyword, etc.; as an ORM framework, Mybatis also provides paging functions. Next, the paging functions of Mybatis are introduced in detail. RowBounds page 1. Introduction to rowb ...

SSM framework integration in general Configure the web.xml file <!-- read applicationContext-*.xml configuration file --> <context-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:applicationContext-jdbc.xml</param-value> </context-param> <!-- Set ...

[CRUD is often written in the project, but in practice, I think if there is a complete code specification, it can be generated automatically and speed up the development efficiency The technical principle of code generator is not complicated. Generally, a template is written to generate a series of codes. I saw that the code genera ...

MyBatis was apache An open source project of iBatis In 2010, the project was migrated from apache software foundation to google code and renamed MyBatis. Moved to Github in November 2013. As an excellent orm framework, MyBatis is often compared with Hibernate. As a popular MyBatis, it avoids almost all JDBC code, manual parameter s ...