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java - 找不到适合 jdbc :mysql://localhost:3306/egov 的驱动程序

转载 作者:行者123 更新时间:2023-11-29 01:53:08 24 4
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我在使用 intellij idea 15 的项目上工作,所以当我尝试连接到数据库时出现此错误

No suitable driver found for jdbc:mysql://localhost:3306/egov

这是我的数据源文件

public class DataSource {

private String url;
private String login;
private String password;
private Connection connection;
private Properties properties;
private static DataSource instance;

private DataSource() {
try {
properties = new Properties();
properties.load(new FileInputStream(new File("configuration.properties")));
url = properties.getProperty("url");
login = properties.getProperty("login");
password = properties.getProperty("password");
connection = DriverManager.getConnection(url, login, password);
} catch (SQLException | IOException ex) {
System.out.println(ex.getMessage());
}
}
public Connection getConnection() {
return connection;
}
public static DataSource getInstance() {
if (instance == null) {
instance = new DataSource();
}
return instance;
}
}

这是configuration.properties文件

url=jdbc:mysql://localhost:3306/egov
login=root
password=

我还添加了 jar 文件 mysql-connector-java任何人都知道如何解决这个问题

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