tomcat域名登录配置文件

<security-constraint>
    <web-resource-collection>
        <web-resource-name>Secure Area</web-resource-name>
        <url-pattern>/secure/*</url-pattern>
    </web-resource-collection>
    <auth-constraint>
        <role-name>admin</role-name>
    </auth-constraint>
</security-constraint>

<login-config>
    <auth-method>FORM</auth-method>
    <form-login-config>
        <form-login-page>/login.jsp</form-login-page>
        <form-error-page>/loginError.jsp</form-error-page>
    </form-login-config>
</login-config>

<security-role>
    <role-name>admin</role-name>
</security-role>

<Context>
    <Realm className="org.apache.catalina.realm.JDBCRealm">
        <DataSource className="org.apache.tomcat.jdbc.pool.DataSource" driverClassName="com.mysql.jdbc.Driver" url="jdbc:mysql://localhost:3306/mydb" username="user" password="password"/>
    </Realm>
</Context>