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Spring security integration OAuth2 is recognized by developers as the best matching partner for resource protection and service authentication. This pair of good friends have been quietly guarding the security of application services. According to the different roles of visitors, they can control the granularity to specific interfaces, so as to ...

This video makes a list of the blog's home page; Content introduction: springboot integrates beetlsql; uses for loop, if control statement, virtual property, variable definition, etc Learn beetl directory together: https://my.oschina.net/u/1590490?tab=newest&catalogId=6214598 Author: GK Integrate BeetlSql to query database Introducing d ...

1. Initialization of data source. The initialization entry is provided by SqlSessionFactoryBuilder.build(InputStream inputStream, String environment, Properties properties) method public SqlSessionFactory build(InputStream inputStream, String environment, Properties properties) { try { XMLConfigBuilder parser = new XMLConfigBuilder ...

principle The returned user information is configured in deployerConfigContext.xml Since you want to customize the returned user information, just inherit org.jasig.services.persondir.support.stubbersonattributedao 1. Create com.jadyer.sso.authentication extensions stubbersonattributedao and copy getPerson() method Use @ ...

Using mybatis reverse engineering, it is very convenient to automatically map with tables in the database, and generate mapper.xml and mapper interface. Here I use IDEA to demonstrate through maven. Step 1: configure the pom.xml fileThe corresponding shelf package is introduced. The emphasis of reverse engineering is on the mybat ...

Download Hive installation package from website Modify hive-site.xml (version 2.3.4 does not have this file to create directly) <?xml version="1.0" encoding="UTF-8" standalone="no"?> <?xml-stylesheet type="text/xsl" href="configuration.xsl"?> <configuration> <property> <name>javax.jdo.option. ...

DBCP database connection pool DBCP(DataBase Connection Pool) When developing a project, we need to constantly interact with the database. In java, using JDBC to connect to the database every time we connect to the database, we need to load the driver, get the connection, destroy the connection and other steps, which takes a l ...

Using software: mysql, eclipse Link steps: 1. Registration driver 2. Create a connection object 3. Write sql statement 4. Execute sql statement and return a result or result set 5. Close the three connection objects (connection, statement and setresult). The closing order is (setresult -- > statement -- > setresult) I. direct connection m ...

Recently, a project of the company needs to connect two databases (A and b) for operation. Some modules query database a, and some modules query database B. therefore, the project background uses the spring MVC + mybatis + MySQL architecture. After two days of tossing, it is finally completed. Here, the modification process is recorded. Us ...

Such as the title, the comparison of sub table rules this time?? Some user related tables are divided by product dimensions, for example: user 1, user 2 (1, 2 is the product id, a new product will add a whole set of tables...). It is not appropriate to study a wave of sharing JDBC (later changed to sharing sphere), and it also has the feeling o ...