1 ,service 層代碼實現
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integer start = (pagenum - 1) * pagesize; integer end = pagesize; list<entity> entitylist; //調用mapper查詢數據庫 entitylist = entitypomapper.query(start, end); simplepageinfo simplepageinfo = simplepageinfo.of(entitylist ); simplepageinfo.setnumber(pagenum); simplepageinfo.setpagesize(pagesize);// 查詢出來數據等于size,總數據量加一，頁數加一 if (entitylist .size() == pagesize) { integer totalelements = (pagenum * pagesize) + 1; integer pages = pagenum + 1; simplepageinfo.settotalelements(totalelements); simplepageinfo.setpages(pages); } else { //數據不夠size integer totalelements = ((pagenum - 1) * pagesize + entitylist .size()); integer pages = pagenum; simplepageinfo.settotalelements(totalelements); simplepageinfo.setpages(pages); } return simplepageinfo;} |
2,mapper
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<select .............> select.. from ... where ... limit #{start}, #{end} </select> |
以上所述是小編給大家介紹的java仿百度假分頁代碼實現詳解整合，希望對大家有所幫助，如果大家有任何疑問請給我留言，小編會及時回復大家的。在此也非常感謝大家對服務器之家網站的支持！
