servlet获取web.xml中配置的初始化参数

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在web.xml中我们配置的参数如下:

<servlet>        <servlet-name>GetInitParameterServlet</servlet-name>        <servlet-class>servlet.GetInitParameterServlet</servlet-class>        <init-param>            <param-name>username</param-name>            <param-value>admin</param-value>        </init-param>        <init-param>            <param-name>password</param-name>            <param-value>123456</param-value>        </init-param>            </servlet>    <servlet-mapping>        <servlet-name>GetInitParameterServlet</servlet-name>        <url-pattern>/servlet/GetInitParameterServlet</url-pattern>    </servlet-mapping>

那么在Servlet中,我们如果需要获取初始化参数,就继承以下init方法,在这里调用如下方法进行获取:

@Override    public void init() throws ServletException {        String username = this.getInitParameter("username");        String password = this.getInitParameter("password");    }



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