Mybatis automatically generates entity classes

Mybatis automatically generates entity classes     today, when I was working, I encountered the need to establish entity. Then I almost fainted when I looked at the database table. There were 78 fields. At this time, if I write one by one, the efficiency would be too low.   I searched on the Internet. Can I leave this simple ...

Posted by kanetan on Mon, 22 Nov 2021 05:40:04 -0800

Hadoop - detailed teaching of Java API operation (upload, download, view, delete and create files) of HDFS file system

If Hadoop has not been configured, you can click the link to see how to configure it Basic technical teaching and practical development teaching of major technologies (under continuous updating ··················&middo ...

Posted by ducey on Sun, 21 Nov 2021 22:15:57 -0800

maven: < build > < resources > < resource > label introduction

Maven_Build_Resources Function: it is mainly used to package resource files. By default, maven only packages resources under src/main/resource through: 1. Set build_resources 2. Using the build helper Maven plugin plug-in 3. Using the Maven resources plugin plug-in You can customize the resources to be packaged Generally, the resource files we ...

Posted by youropensource on Sat, 20 Nov 2021 14:23:17 -0800

Maven advanced use (Maven polymerization Engineering)

1, maven basics review 1. Introduction to maven Maven is a project management tool, which is mainly used for dependency management and project construction of Java projects in the project development stage.Dependency management: it is the management of jar packages. Importing maven coordinates is equivalent to importing jar packages in th ...

Posted by robshanks on Sat, 20 Nov 2021 05:16:40 -0800

Upload, download and build maven private server

Basic use, upload and download of private server Why build a private server The network speed is slow, it takes a long time to download jar packages, and the work efficiency is low It is not conducive to the management and maintenance of public construction The jar packages developed in the company can only be shared and managed by the comp ...

Posted by wpt394 on Wed, 17 Nov 2021 07:10:45 -0800

maven java project configuration dual database (multi database configuration)

preface Why configure dual or multiple databases. When you need to obtain or insert data from two or more databases, the database driver, url path, username and password of each database are different. If you follow the configuration of a single database, you can only obtain the content of one database. explain According to my method, it is ...

Posted by Comtemplative on Wed, 10 Nov 2021 19:45:40 -0800

maven series aggregation and inheritance (and TODO)

Chapter 8 aggregation and inheritance Maven's aggregation feature can aggregate and build all modules of the project, while Maven's inheritance feature can help extract the same dependencies and plug-ins and other configurations of each module, simplify POM and promote the consistency of each module configuration. 8.1 mirana-dal mirana DAL modu ...

Posted by ah66533 on Sun, 07 Nov 2021 10:04:21 -0800

Maven installation and configuration (detailed version)

1, Install Maven Installation path: click the link to download the required version directly Maven official website 1, Download method of the latest version 1. Click the link to enter Maven's official website 2. Find Download Files in the left column to Download 2, Download methods of all versions (including new and old versions ...

Posted by allexx_d on Fri, 05 Nov 2021 23:10:03 -0700

Maven build project, how to build Java and Web projects in IDEA and how to run

3. Construction of Maven project 3.1 contents of Maven project The structure of the project is as follows: See the following figure for details: 3.2 commands for manually building projects mvn compile #compile mvn clean #eliminate mvn test #test mvn package #pack mvn install #Install to local warehouse Just be familiar ...

Posted by tina88 on Thu, 04 Nov 2021 18:47:40 -0700

MyBatis of SSM framework learning notes

MyBatis core profile 1.MyBatis core profile hierarchy 2.MyBatis common configuration analysis (1) environment label   the configuration of database environment supports multi environment configuration There are two types of transaction manager: JDBC: this configuration directly uses the commit and rollback settings of JDBC. It depen ...

Posted by matthewc on Sun, 31 Oct 2021 18:23:04 -0700