PHP & MySQL 簡介
《PHP簡介》
網頁大致上可以分為前端與後端的語法,前端的語法大致上有:HTML、CSS、Javascript和最近比較熱門的jQuery,主要用在網頁結構(HTML)、網頁樣式(CSS)與一些互動和動畫效果(Javascript),後端語法大致上有:ASP、JSP和本課程的PHP,而前端語法是由網頁伺服器傳送到使用者的瀏覽器後,由瀏覽器來解讀後顯示於畫面,由於這個工作原理,使用者可以在瀏覽器直接觀賞到網頁中所有的前端語法,而後端語法是使用者提出需求後,由伺服器來解讀該需求,處理該需求後,傳回前端語法給使用者,瀏覽器解讀後再呈現。
所以若我們要撰寫PHP的語法,就必須要架設可以解讀該語法的伺服器,而關於伺服器的架設非網頁設計的專業領域,所以我們架設的伺服器,僅供撰寫語法與測試語法使用,通常撰寫後的頁面,必須上傳到虛擬主機來讓廣大的使用者使用,對於安全性來說會比較有保障。
《MySQL簡介》
許多網站都希望可以保存使用者的使用紀錄會個人資料,這樣才可以做好客戶關係管理,這樣一來我們就需要利用到資料庫,而對於免費授權的PHP語法來說,免費授權的資料庫MySQL就是一個最好的搭檔。
《PHP+MySQL簡介》
MySQL只是存資料的媒介,PHP可以了解使用者的需求,接收使用者的資料,所以由PHP接收資料後把資料寫入(Insert)資料庫,或是由PHP接收到使用者想要修改個人的資料進而進行資料變更(Update)後寫入資料庫,或是該使用者刪除(Delete)了一些訊息紀錄,亦或是使用者想要看到(Select)我們最新的商品資訊,都是由PHP接受使用者的需求,也利用PHP對資料庫提出需求後傳回結果給使用者。
《軟體安裝》
軟體下載路徑:http://www.appservnetwork.com/
本套裝軟體包含四套不同的子軟體,分述如下:
Apache 2.2.8:伺服器架設軟體
PHP 5.2.6:讓伺服器可以順利的解譯PHP的程式
MySQL 5.0.51b:資料庫
phpMyAdmin-2.10.3:資料庫管理介面
軟體安裝後請在瀏覽器中輸入:「http://localhost/」測試是否成功
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