Retain data in JSP with Struts framework

posted on 02 Sep 2005 14:03 by somkiat

สำหรับเรื่องการ retain data ใน jsp นั้นหลายๆ คนอาจจะเจอปัญหาเมื่อใช้ struts ทำให้บางคนอาจจะไม่ได้ใช้ตัว tag lib ของ struts เลย เพราะว่าไม่รู้ว่าจะใช้ยังไง แต่ปัญหานี้ถูกแก้และมีวิธีการดังนี้ครับ

โดยใน tutorial ที่ผมได้อ่านมานั้นเขาจะแบ้งการ retain data ตามชนิดของ data ครับ ดังนี้

1. Simple Object เช่น String

2. JavaBean Object

3. Array Object เช่น ArrayList ครับ

ซึ่งทั้ง 3 นี้มีวิธีการ retain data ที่แตกต่างกัน โดยวิธีการต่างๆ สามารถอ่านได้ที่นี่ครับ

http://www.javalobby.org/articles/struts/

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