使用oracle的row_num關鍵字
select * from （
select rownum r_num,a.* from pf_message a
） where r_num <=2;
總記錄數 total_num = count(*);
總頁數 = 總記錄數/每頁顯示條數
total_pages =( total_num+per_page_num - 1) / per_page_num;
傳過來的引數: 當前頁數 current_page，每頁顯示條數 per_page_num
查詢某一頁sql條件：
當前頁面查詢起始條件(當前頁面第一條記錄）：row_num > (current_page - 1)*per_page_num;
當前頁面查詢結束條件(當前頁面最後一條記錄）：row_num <= current_page*per_page_num;
所以select * from （
select rownum r_num,a.* from pf_message a
） where r_num >(current_page - 1)*per_page_num and r_num <= current_page*per_page_num;
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