hibernate reverse engineering

 

 

1. Select the myeclipse hibernate view

2. Establish a connection with the background database

    1）configure database driver；

    2) Add the corresponding database driver;

    3) Add the jar package corresponding to the driver;

    4) Configure link parameters (example: jdbc:oracle:thin:@10.3.15.30:1521:wmdev)

3. Open the database connection and select the corresponding table

4. Right-click the data table object and select hibernate reverse engineering

5. Select the path of the file to be generated: java src folder, java package

6. Check the Java data object, and then finish. After the generation is completed, you can see the generated pojo file under the path in step 5.

 

Reverse engineering under eclipse

 

 

Step 1: Install hibernate tools
1. Log in to the jboss website to download the plug-in
http://www.jboss.org/tools/download.html
2. Select the Update Sites network to install the Hibernate plug-in
http://www.jboss.org/tools/ download/dev
I choose to install the 3.2bata2 development version, you can choose the 3.1ga official version

 

Supplement: The above two URLs may not be available. You can try the following URL.

Install the Hibernate plugin

http://download.jboss.org/jbosstools/updates/development

http://download.jboss.org/jbosstools/updates/stable/

 

 3, After successfully installing hibernate tools, create a new java project named HibernateTest

Click Finish to complete, and add the hibernate library file and mysql driver as follows

Open the Hibernate Configurations view, menu Window -> Show View -> Other... 

 Create Add Configurations in the blank area of ​​the Hibernate Configurations view, here the name I filled in "hibernate", you can name it other, it will be called in a while

The pop-up configuration window is as follows

Project : Browse to select a project that needs to be reverse engineered

Database Connection: Hibernate Configured connection

Configuration File: Setup

Fill in the data connection related content, such as IP, database name, account, password, etc. Click Finish to complete the configuration

 Let's start to create reverse generated code according to the configuration

Double-click or right-click to create a new configuration in the menu

After modifying the configuration name, click the Apply button to take effect

Console configuration: Select the hibernate configuration you just created.
Output directory: Select the output directory as the project name/src directory.
Package name I filled in www.db.pojo.

Switch to the Exporter tab to continue the setup

Click the Apply button to complete the setting, click the Run button to generate the JAVA entity class according to the database

The running result is as follows

Since the generated entity class implements java.io.Serializable, there will be a yellow exclamation mark, right click to generate a

eclipse j2ee 3.6.1: help menu -> Install New Software...