新建properties文件放在resources目录下
properties文件内容
url=jdbc:mysql:/
user=root
password=123456
driver=com.mysql.cj.jdbc.Driver
获取文件内容
public class JDBCUtil {
private static String URL;
private static String USER;
private static String PASSWORD;
private static String DRIVER;
static {
try {
Properties properties = new Properties();
ClassLoader classLoader = JDBCUtil.class.getClassLoader();
URL res = classLoader.getResource("jdbc.properties");
String path = res.getPath();
System.out.println(path);
properties.load(new FileReader(path));
URL = properties.getProperty("url");
USER = properties.getProperty("user");
PASSWORD = properties.getProperty("password");
DRIVER = properties.getProperty("driver");
} catch (IOException e) {
e.printStackTrace();
}
}
}
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