Book.java
package com.bookstore.app; import java.io.Serializable; public class Book implements Serializable { private static final long serialVersionUID = 233559895466038160L; private String isbn; private String name; private String price; public String getIsbn() { return isbn; } public void setIsbn(String isbn) { this.isbn = isbn; } public String getPrice() { return price; } public void setPrice(String price) { this.price = price; } public void setName(String name) { this.name = name; } public String getName() { return name; } @Override public String toString() { return "BookName: " + this.name + ", price: " + this.price; } }
mybatis-config.xml
<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE configuration PUBLIC "-//mybatis.org//DTD Config 3.0//EN" "http://mybatis.org/dtd/mybatis-3-config.dtd"> <configuration> <settings> <setting name="lazyLoadingEnabled" value="false" /> </settings> <typeAliases> <typeAlias alias="Book" type="com.bookstore.app.Book" /> </typeAliases> <environments default="development"> <environment id="development"> <transactionManager type="JDBC" /> <dataSource type="POOLED"> <property name="driver" value="com.mysql.jdbc.Driver" /> <property name="url" value="jdbc:mysql://localhost:3306/mybatis" /> <property name="username" value="root" /> <property name="password" value="root" /> </dataSource> </environment> </environments> <mappers> <mapper resource="com/bookstore/config/bookMapper.xml" /> </mappers> </configuration>
bookMapper.xml
<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd"> <mapper namespace="com.bookstore.app.bookMapper"> <select id="getBookByName" resultType="Book" parameterType="string"> select * from book where name=#{name} </select> <insert id="insertBook" parameterType="Book"> insert into book(isbn, name, price) value(#{isbn}, #{name}, #{price}) </insert> <update id="updateBook" parameterType="Book"> update book set name=#{name}, price=#{price} where isbn=#{isbn} </update> <delete id="deleteBook" parameterType="String"> delete from book where name=#{name} </delete> </mapper>
BookApp.java
package com.bookstore.app; import java.io.IOException; import java.io.Reader; import org.apache.ibatis.io.Resources; import org.apache.ibatis.session.SqlSession; import org.apache.ibatis.session.SqlSessionFactory; import org.apache.ibatis.session.SqlSessionFactoryBuilder; public class BookApp { public static void main(String[] args) throws IOException { String resource = "com/bookstore/config/mybatis-config.xml"; Reader reader = Resources.getResourceAsReader(resource); SqlSessionFactory sessionFactory = new SqlSessionFactoryBuilder() .build(reader); SqlSession session = sessionFactory.openSession(); //查询 Book book = (Book) session.selectOne( "com.bookstore.app.bookMapper.getBookByName", "Spring In Action"); System.out.println(book.toString()); //修改 book.setName("Spring In Action 2ed Edition"); book.setPrice("59"); session.update("com.bookstore.app.bookMapper.updateBook", book); //插入 Book newBook = new Book(); newBook.setIsbn("ISBN978-7-121-10577-7"); newBook.setName("人人都是产品经理"); newBook.setPrice("45"); session.insert("com.bookstore.app.bookMapper.insertBook", newBook); //删除 session.delete("com.bookstore.app.bookMapper.deleteBook", "Struts In Action"); session.commit(); } }