Ví dụ về Servlet

Written by IT Phú Trần on 27/05/2017 in LẬP TRÌNH JAVA and LẬP TRÌNH WEB VỚI JSP/SERVLET with 58 comments.

Trong bài viết này chúng ta hãy tạo ra một ví dụ về servlet đơn giản bằng cách sử dụng Eclipse IDE. Để tạo ứng dụng servlet chúng ta cần phải sử dụng các bước sau:

Các bước tiến hành tạo một file servlet như sau:

Environment sử dụng :

Mở IDE Eclipse say đó chọn File Menu -> New-> Chọn Dynamic Web Project

Ví dụ về Servlet

Ví dụ về Servlet trong java

 

Bây giờ hãy nhấp vào gói com.itphutran.servlets và chọn New -> chọn Servlet

 

ví dụ về servlet

Thêm nội dung sau vào ServletDemo.java:

file web.xml mapping cho servlet:

Khi chạy một ứng dụng web với servlet thì phương thức doGet() sẽ được chạy đầu tiên do đó tôi sẽ code in ra câu chào tại method doGet() của servlet như sau:

Bây giờ tiến hành chạy dự án web:

ví dụ về servlet trong java

Tổng kết

Qua bài này, chúng ta đã cùng nhau tìm hiểu để tạo ra một file servlet trong Java web cũng như đã tiến hành chạy thành công! Chúc các bạn thực hiện thành công nhé!

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