Java-IO流系列-FileReader與FileWriter
阿新 • • 發佈:2021-06-27
public class PageHtml<T> { public Map showPageHtml(Integer currentPage, Integer pageSize, Integer count) { //計算總頁數 int st = 0, ed = 0, all_pager = 0; int page_merchant = count / pageSize; int page_remainder = count % pageSize; if (page_remainder > 0) { all_pager = page_merchant + 1; } else { all_pager = page_merchant; } Map<String, Object> map = new HashMap<String, Object>(); if (all_pager < 5) { st = 1; ed = all_pager + 1;//5 + 1; } else { if (currentPage < 3) { st = 1; //最多顯示5個頁碼 ed = 5 + 1; } else { if (currentPage + 2 < all_pager) { st = currentPage - 2; ed = currentPage + 2 + 1; } else { st = all_pager - 5 + 1; ed = all_pager + 1; } } } StringBuilder sb = new StringBuilder(); sb.append("<nav aria-label=\"Page navigation\">"); sb.append("<ul class=\"pagination\">"); sb.append("<li>"); sb.append("<a aria-label=\"Previous\" onclick=\"prevPage()\">"); sb.append("<span aria-hidden=\"true\">«</span>"); sb.append("</a>"); sb.append("</li>"); sb.append("<li><a onclick=\"firstPage()\">首頁</a></li>"); for (int i = st; i < ed; i++) { if (i == currentPage) { sb.append("<li class=\"active\" id=\"selected\"><a onclick=\"pageIndex(" + i + ")\">" + i + "</a></li>"); } else { sb.append("<li><a onclick=\"pageIndex(" + i + ")\">" + i + "</a></li>"); } } sb.append("<li><a onclick=\"lastPage()\">尾頁</a></li>"); sb.append("<li>"); sb.append("<a aria-label=\"Next\" onclick=\"nextPage()\">"); sb.append("<span aria-hidden=\"true\">»</span>"); sb.append("</a>"); sb.append("</li>"); sb.append("</ul>"); sb.append("</nav>"); String html = sb.toString(); map.put("conut", count); map.put("html", html); map.put("pageTotal", all_pager); return map; } }