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1、pom中加入数据库和jdbcTemplet的依赖
<!-- 数据库 -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.21</version>
</dependency>
<dependency>
<groupId>oracle</groupId>
<artifactId>ojdbc</artifactId>
<version>1.4</version>
</dependency>
<!-- jdbcTemplate -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-jdbc</artifactId>
</dependency>
2、在application.properties中加入如下的配置数据库的连接信息
#mysql
#spring.datasource.driver-class-name=com.mysql.jdbc.Driver
#spring.datasource.url=jdbc:mysql://localhost:3306/boottest?useUnicode=true&characterEncoding=utf-8&useSSL=false
#spring.datasource.username=root
#spring.datasource.password=
spring.datasource.driver-class-name=oracle.jdbc.OracleDriver
spring.datasource.url=jdbc:oracle:thin:@172.31.1.70:1521:SGY
spring.datasource.username=
spring.datasource.password=
3、编写jdbcTemplet的类即可,本例如下:
查询:jdbcTemplate.query 返回指定类的集合 增删改 jdbcTemplate.update 返回整型
package com.zw.dao;
import java.util.List;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.jdbc.core.BeanPropertyRowMapper;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.stereotype.Repository;
import com.zw.domain.Student;
@Repository
public class StudentTemplet {
@Autowired
private JdbcTemplate jdbcTemplate;
public Student getStudentById(String id) {
String sql = "select * from student where id = ?";
// List<User> list = jdbcTemplate.query("select * from tb_user", new Object[]{}, new BeanPropertyRowMapper(User.class));
// jdbcTemplate.update("insert into tb_user(username, age, ctm) values(?, ?, ?)",
// user.getUsername(),user.getAge(), new Date());
// jdbcTemplate.update("UPDATE tb_user SET username = ? , age = ? WHERE id=?",
// user.getUsername(),user.getAge(), id);
// jdbcTemplate.update("DELETE from tb_user where id = ? ",id);
List<Student> students = jdbcTemplate.query(sql,new Object[]{id}, new BeanPropertyRowMapper(Student.class));
return (students!=null&& students.size()>0) ? students.get(0):null;
}
public int updateStudentById(Student stu) {
String sql = "UPDATE student SET name = ? , score = ? WHERE id=?";
int a = jdbcTemplate.update(sql,stu.getName(),stu.getScore(),stu.getId());
return a;
}
}
4、在其他的serviceimpl中注入templet类即可
@Autowired
private StudentTemplet studentTemplet;
5、启动启动类,编写接口测试即可。