获取外部配置JDBC文件 写给自己

web项目要把配置放在WEB下

内容

Driver=com.microsoft.sqlserver.jdbc.SQLServerDriver
url=jdbc:sqlserver://192.168.33.170;DatabaseName=Platform_U_v3.0
userName=xxzx
password=xxzx
darwin_ip=192.168.33.160:8088
zhibo_ip=192.168.33.160:82

第一个注册驱动 第二个数据库连接  第三 数据库账号  第四  密码  第五和六为其他随意参数

package com.bowei.utl;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.Properties;

public class JdbcUtl {
    // 数据库驱动
    private static String Driver = "";
    // 数据库地址
    private static String url = "";
    // 数据库用户名
    private static String userName = "";
    // 数据库密码
    private static String password = "";
    // 视频流地址
    private static String ip = "";
        // 视频流地址
    private static String darwin_ip = "";
    static {
        Properties p = new Properties();
        try {
            // 通过相对路径加载文件
            String path=(Thread.currentThread().getContextClassLoader().getResource("").getFile()).substring(1);
            path=java.net.URLDecoder.decode(path,"utf-8");
            path=path.replace('/', '\\'); // 将/换成\
            path=path.replace("file:", ""); //去掉file:
            path=path.replace("classes\\", ""); //去掉class\
            path+="sof/jdbc.properties";
            p.load(new FileInputStream(new File(path)));
            // 用getProperty方法通过关键字获取信息
            Driver = p.getProperty("Driver");
            url = p.getProperty("url");
            userName = p.getProperty("userName");
            password = p.getProperty("password");
            ip=p.getProperty("zhibo_ip");
            darwin_ip=p.getProperty("darwin_ip");
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    public static String getDriver() {
        return Driver;
    }

    public static void setDriver(String driver) {
        Driver = driver;
    }

    public static String getUrl() {
        return url;
    }

    public static void setUrl(String url) {
        JdbcUtl.url = url;
    }

    public static String getUserName() {
        return userName;
    }

    public static void setUserName(String userName) {
        JdbcUtl.userName = userName;
    }

    public static String getPassword() {
        return password;
    }

    public static void setPassword(String password) {
        JdbcUtl.password = password;
    }

    public static String getIp() {
        return ip;
    }

    public static void setIp(String ip) {
        JdbcUtl.ip = ip;
    }
    public static String getDarwin_ip() {
        return darwin_ip;
    }

    public static void setDarwin_ip(String darwin_ip) {
        JdbcUtl.darwin_ip = darwin_ip;
    }

    // 获取数据库连接
    public static Connection getConn() {
        Connection conn = null;
        try {
            // 加载驱动
            Class.forName(Driver);
            // 获取数据库连接
            conn = DriverManager.getConnection(url, userName, password);

        } catch (SQLException e) {
            e.printStackTrace();
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        }
        return conn;
    }

    // 关闭数据库资源
    public static void closeAll(ResultSet rs, Statement stat, Connection conn) {
        /* 分别按顺序关闭数据库的结果集资源，Statement 对象资源以及Connection 连接数据库对象 */
        if (rs != null) {
            try {
                rs.close();
            } catch (SQLException e) {
                e.printStackTrace();
            }
        }
        if (stat != null) {
            try {
                stat.close();
            } catch (SQLException e) {
                e.printStackTrace();
            }
        }
        if (conn != null) {
            try {
                conn.close();
            } catch (SQLException e) {
                e.printStackTrace();
            }
        }

    }
}