Springboot Automatically generate database tables

@Entity

@Table (name= "T_book")//table name name is not necessarily useful

public class Book {

@Id//Id of the table

@GeneratedValue//Self-increment property

Private Integer ID;

@Column (length=100)//string Auto-corresponding string

private String name;

@Column (LENGTH=50)

Private String author;

The corresponding table is generated according to the comments

But I got a bug in the process of generating the tag because I didn't follow the spec.

Must be the same as the Startup Class (Xxxxapplication) package name to be scanned

Pom.xml introduction of database-driven and JPA-dependent

<dependency>

<groupId>mysql</groupId>

<artifactId>mysql-connector-java</artifactId>

</dependency>

<dependency>

<groupId>org.springframework.boot</groupId>

<artifactId>spring-boot-starter-data-jpa</artifactId>

</dependency>

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Springboot automatically generate database tables