如何做到多筆資料的同步_php基础
一次叫出多筆資料,然後在同一個網頁中「逐一」「分別」做不同的處理,最後「同時」對資料庫 update or insert 。每一筆資料所收到的update 、insert數據並不相同! ============================
處理要點在於 _____ loop + array
1.從資料庫叫出資料:
db_query進行looping的同時,把相關欄位需要update的資料通通納入array.
依照各人需求,這些資料可以用text、checkbox、或者hidden等各種型態呈現。當然,checkbox是最常見的type.
例如,郵件處理網頁就大量使用checkbox.
2.修改後的資料回存作業
要點在count(array) + loop + db_update:
根據count的結果進行迴旋,把db_update放進去,讓loop去完成所有資料的update回存作業。
範例如下:
================================================
####1.update.php: 以loop+array取出資料以便update........

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