《原神攻略》2.2版胡桃武器、聖遺物選擇推薦
阿新 • • 發佈:2021-10-28
目錄結構
pom.xml
<?xml version="1.0" encoding="UTF-8"?> <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>org.javaboy.jdbc</groupId> <artifactId>jdbctemplate</artifactId> <version>1.0-SNAPSHOT</version> <dependencies> <!-- https://mvnrepository.com/artifact/org.springframework/spring-webmvc --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-webmvc</artifactId> <version>5.2.12.RELEASE</version> </dependency> <!-- https://mvnrepository.com/artifact/org.springframework/spring-jdbc --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-jdbc</artifactId> <version>5.2.12.RELEASE</version> </dependency> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>4.12</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-jdbc</artifactId> <version>5.2.6.RELEASE</version> </dependency> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>5.1.39</version> </dependency> </dependencies> </project>
JavaConfig.java
package org.javaboy.jdbc; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; import org.springframework.jdbc.core.JdbcTemplate; import org.springframework.jdbc.datasource.DriverManagerDataSource; import javax.sql.DataSource; /** * @author 鄧雪松 (づ ̄ 3 ̄)づ) * @create 2021-10-28-21-20 * 這個類配置資料庫的資訊 */ @Configuration public class JavaConfig { @Bean DataSource dataSource(){ DriverManagerDataSource dataSource = new DriverManagerDataSource(); dataSource.setDriverClassName("com.mysql.jdbc.Driver"); dataSource.setUrl("jdbc:mysql:///test01?serverTimezone=Asia/Shanghai"); dataSource.setUsername("root"); dataSource.setPassword("121803"); return dataSource; } @Bean JdbcTemplate jdbcTemplate(){ return new JdbcTemplate(dataSource()); } }
User.java
package org.javaboy.jdbc; /** * @author 鄧雪松 (づ ̄ 3 ̄)づ) * @create 2021-10-28-21-15 */ public class User { private Long id; private String username; private String address; private String favourite; @Override public String toString() { return "User{" + "id=" + id + ", username='" + username + '\'' + ", address='" + address + '\'' + ", favourite='" + favourite + '\'' + '}'; } public Long getId() { return id; } public void setId(Long id) { this.id = id; } public String getUsername() { return username; } public void setUsername(String username) { this.username = username; } public String getAddress() { return address; } public void setAddress(String address) { this.address = address; } public String getFavourite() { return favourite; } public void setFavourite(String favourite) { this.favourite = favourite; } }
applicationContext.xml
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">
<!--用xml的方式配置JDBCTemplate-->
<bean class="org.springframework.jdbc.datasource.DriverManagerDataSource" id="dataSource">
<property name="driverClassName" value="com.mysql.jdbc.Driver"/>
<property name="url" value="jdbc:mysql:///test01?serverTimezone=Asia/Shanghai"/>
<property name="username" value="root"/>
<property name="password" value="121803"/>
</bean>
<bean class="org.springframework.jdbc.core.JdbcTemplate" id="jdbcTemplate">
<property name="dataSource" ref="dataSource"/>
</bean>
</beans>
JdbcTest.java
package org.javaboy.jdbc;
import org.junit.Before;
import org.junit.Test;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import org.springframework.jdbc.core.BeanPropertyRowMapper;
import org.springframework.jdbc.core.JdbcTemplate;
import java.util.List;
/**
* @author 鄧雪松 (づ ̄ 3 ̄)づ)
* @create 2021-10-28-21-35
*/
public class JdbcTest {
JdbcTemplate jdbcTemplate;
@Before
public void before(){
//AnnotationConfigApplicationContext ctx = new AnnotationConfigApplicationContext(JavaConfig.class);
//xml的話是下邊的
ClassPathXmlApplicationContext ctx = new ClassPathXmlApplicationContext("applicationContext.xml");
jdbcTemplate = ctx.getBean(JdbcTemplate.class);
}
//增
@Test
public void test1(){
jdbcTemplate.update("insert into user (username,address,favourite) VALUES (?,?,?);","javaboy","www.whereami.org","game");
}
//改
@Test
public void test2(){
jdbcTemplate.update("update user set username = ? where id=?;","JavaBoy",11);
}
//刪
@Test
public void test3(){
jdbcTemplate.update("delete from user where id = ?",11);
}
//查
@Test
public void test4(){
List<User> list = jdbcTemplate.query("select * from user", new BeanPropertyRowMapper<User>(User.class));
System.out.println("list = "+list);
}
}