web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://xmlns.jcp.org/xml/ns/javaee" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" id="WebApp_ID" version="3.1">

<servlet>
<servlet-name>CheckLogin</servlet-name>
<servlet-class>letien.acf.CheckLogin</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>CheckLogin</servlet-name>
<url-pattern>/CheckLogin</url-pattern>
</servlet-mapping>



</web-app>




tài liệu hướng dẫn :http://www.coreservlets.com/javascript-jquery-tutorial/#getting-started
QT*:https://o7planning.org/vi/10285/tao-mot-ung-dung-java-web-don-gian-su-dung-servlet-jsp-va-jdbc