Spring Boot中使用jdbctemplate 操作MYSQL数据库实例
作者:Mr.ning
本篇文章主要介绍了Spring Boot中使用jdbctemplate 操作MYSQL数据库实例,具有一定的参考价值,有兴趣的可以了解一下。
最近在学习使用Spring Boot连接数据库,今天学习了使用jdbctemplate 操作MYSQL数据库,下面就留个笔记
不废话,先来代码
pom文件:
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 <modelVersion>4.0.0</modelVersion>
 
 <groupId>test</groupId>
 <artifactId>test</artifactId>
 <version>0.0.1-SNAPSHOT</version>
 <packaging>jar</packaging>
 
 <name>test</name>
 <url>http://maven.apache.org</url>
 
 <properties>
  <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 </properties>
  
 <dependencies>
  <dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter</artifactId>
    <version>1.4.2.RELEASE</version>
  </dependency>
  <dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-jdbc</artifactId>
    <version>1.4.2.RELEASE</version>
  </dependency>
   
  <dependency>
    <groupId>mysql</groupId>
    <artifactId>mysql-connector-java</artifactId>
    <version>5.1.21</version>
   </dependency>
  
 </dependencies>
</project> 
配置文件:application.properties(springboot框架默认使用这个名字,放在resources下面)
spring.datasource.url=jdbc:mysql://localhost:3306/service_lucky_draw?autoReconnect=true&useUnicode=true&characterEncoding=utf-8 spring.datasource.username=root spring.datasource.password=1234 spring.datasource.driver-class-name=com.mysql.jdbc.Driver spring.application.name = @pom.artifactId@ server.port=33333
启动类:
package versionUpdate;
import java.util.List;
import java.util.Map;
import org.apache.log4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.CommandLineRunner;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.jdbc.core.JdbcTemplate;
@SpringBootApplication
public class ApplicationMain implements CommandLineRunner {
  private Logger log = Logger.getLogger(ApplicationMain.class); 
  @Autowired
  private JdbcTemplate jdbcTemplate; 
  public static void main(String[] args) {
    SpringApplication springApplication = new SpringApplication(ApplicationMain.class);
    springApplication.run(args);
  } 
  @Override
  public void run(String... args) throws Exception {
    String queryMerchandiseInfoSql = "SELECT id,worth,channel_id,template_id FROM merchandise_info";
    List<Map<String, Object>> list = jdbcTemplate.queryForList(queryMerchandiseInfoSql);
    log.debug(list);
  }
}
至此一个简单的SpringBoot+Jdbctemplate+MYSQL的DEMO搭建完成;
如果不想在启动类里面直接进行数据库操作,可以按照下面的方式:
package versionUpdate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.stereotype.Component;
/** 获取jdbctemplate实例 */
@Component
public class EnterJdbcTemplate {   
  private static JdbcTemplate jdbcTemplate; 
  @Autowired
  public EnterJdbcTemplate(JdbcTemplate jdbcTemplate) {
    this.jdbcTemplate = jdbcTemplate;
  }   
  public static JdbcTemplate getJdbcTemplate(){
    return jdbcTemplate;
  }   
} 
package versionUpdate;
import org.springframework.jdbc.core.JdbcTemplate;
/** 操作数据库 */
public class Movedata extends EnterJdbcTemplate{
   
  public Movedata(JdbcTemplate jdbcTemplate) {
    super(jdbcTemplate);
  }
 public static void ccc(){
    System.out.println("++++++++++++++++++"+getJdbcTemplate().queryForMap("SELECT * FROM channel_info WHERE channel_id = ? ","cccc")); 
  }
} 
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持脚本之家。
