maven依赖坐标网站
https://mvnrepository.com/
参考https://www.cnblogs.com/dzblog/p/6913809.html
1.新建maven项目，不选择骨架
2.目录结构
3.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>com.east</groupId>
<artifactId>databaseTest</artifactId>
<version>1.0-SNAPSHOT</version>
<!--依赖库-->
<dependencies>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>6.0.2</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.34</version>
</dependency>
<dependency>
<groupId>com.oracle</groupId>
<artifactId>ojdbc6</artifactId>
<version>11.2.0.1.0</version>
</dependency>
<dependency>
<groupId>com.oracle</groupId>
<artifactId>ojdbc14</artifactId>
<version>10.2.0.3.0</version>
</dependency>
<dependency>
<groupId>com.oracle</groupId>
<artifactId>ojdbc14</artifactId>
<version>10.2.0.4.0</version>
</dependency>
</dependencies>
<build>
<plugins>
<!--打包jar-->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jar-plugin</artifactId>
<configuration>
<archive>
<manifestEntries>
<!--MANIFEST.MF 中 Class-Path 加入资源文件目录-->
<Class-Path>./resources/</Class-Path>
</manifestEntries>
</archive>
<outputDirectory>${project.build.directory}</outputDirectory>
</configuration>
</plugin>
<!--spring boot repackage，依赖 maven-jar-plugin 打包的jar包 重新打包成 spring boot 的jar包-->
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<configuration>
<layout>ZIP</layout>
<!--使用外部配置文件，jar包里没有资源文件-->
<addResources>true</addResources>
<outputDirectory>${project.build.directory}</outputDirectory>
</configuration>
<executions>
<execution>
<goals>
<goal>repackage</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-assembly-plugin</artifactId>
<configuration>
<descriptors>
<descriptor>src/main/assembly/package.xml</descriptor>
</descriptors>
</configuration>
<executions>
<execution>
<id>make-assembly</id>
<phase>package</phase>
<goals>
<goal>single</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>
4.package.xml
<?xml version="1.0" encoding="UTF-8"?>
<assembly>
<id>package</id>
<formats>
<format>zip</format>
</formats>
<includeBaseDirectory>true</includeBaseDirectory>
<fileSets>
<fileSet>
<directory>${project.basedir}/src/main/resources</directory>
<outputDirectory>/resources</outputDirectory>
</fileSet>
<!-- 把项目自己编译出来的jar文件，打包进zip文件的根目录 -->
<fileSet>
<directory>${project.build.directory}</directory>
<outputDirectory>/</outputDirectory>
<includes>
<include>*.jar</include>
</includes>
</fileSet>
</fileSets>
</assembly>
5.DataConnection.java
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.util.Properties;
public class DataConnection {
private Properties p;
private Connection conn;
private FileInputStream f;
public static void main(String[] args) {
new DataConnection().loadDriver();
}
public void loadDriver() {
p = new Properties();
try {
// f = new FileInputStream(new File("D:\\jdbc.properties"));
// p.load(f);
p.load(this.getClass().getResourceAsStream("/jdbc.properties"));
System.out.println("数据库正在连接，请等待...");
Class.forName(p.getProperty("Driver").trim());
System.out.println("驱动加载成功!!!");
try {
conn = DriverManager.getConnection(p.getProperty("url").trim(), p.getProperty("user").trim(), p.getProperty("password").trim());
System.out.println("数据库连接成功！！！");
} catch (SQLException e) {
System.out.println("不能连接到指定的数据库，请检查相应的基本信息！！！");
e.printStackTrace();
}
} catch (FileNotFoundException e) {
System.out.println("指定路径的文件不存在或者无权限访问！！！");
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} catch (ClassNotFoundException e) {
System.out.println("无法找到所加载的驱动，或驱动文件不存在！！！");
e.printStackTrace();
} finally {
try {
conn.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
}
}
6.Maven Projects -> package
7.解压.zip文件
8.进入此文件根目录
