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：
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<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）
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spring.datasource.url=jdbc:mysql://localhost:3306/service_lucky_draw?autoReconnect=true&useUnicode=true&characterEncoding=utf-8spring.datasource.username=rootspring.datasource.password=1234spring.datasource.driver-class-name=com.mysql.jdbc.Driver spring.application.name = @pom.artifactId@server.port=33333 |
启动类：
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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;@SpringBootApplicationpublic 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：
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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 */@Componentpublic class EnterJdbcTemplate { private static JdbcTemplate jdbcTemplate; @Autowired public EnterJdbcTemplate(JdbcTemplate jdbcTemplate) { this.jdbcTemplate = jdbcTemplate; } public static JdbcTemplate getJdbcTemplate(){ return jdbcTemplate; } } |
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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服务器之家。
原文链接：http://www.cnblogs.com/ning-blogs/p/6078703.html
