可以移动的分页条
/**** @param recordsCount int:总记录数* @param pageSize int:每页要显示的记录数* @param currentPage int:当前的页数* @param url String:链接的路径* @return String:导航条 url还可能追加参数示例调用:--------------------------------------------------String str = turnPage.printTurnPageBar(100, 35, 1, "searchshow.jsp?t=1&s1=N&s2=1&c=1"); System.out.println("str=" + str);--------------------------------------------------*/ public static String printTurnPageBar(int recordsCount, int pageSize, int currentPage, String url) { String barStr = ""; int index = url.indexOf("?"); if (recordsCount <= pageSize) { if (recordsCount == 0) { barStr = "没有相关记录"; } else { barStr = ""; } return barStr; } int pageCount = recordsCount % pageSize == 0 ? recordsCount / pageSize : recordsCount / pageSize + 1; int begin = 0, end = 0; boolean b1 = false; /* 当总页数小于10页时 */ if (pageCount <= 10) { begin = 1; end = pageCount; } else { if (currentPage == 1) { begin = 1; end = 10; } else { if (index == -1) { barStr = "<a href=\"" + url + "?page=" + (currentPage - 1) + "\">上一页</a> "; } else { barStr = "<a href=\"" + url + "&page=" + (currentPage - 1) + "\">上一页</a> "; } if (currentPage - 5 > 1) { if (currentPage + 4 <= pageCount) { begin = currentPage - 5; end = currentPage + 4; b1 = true; } else { end = pageCount; begin = pageCount - 9; } } else { begin = 1; end = 10; } } } for (int i = begin; i <= end; i++) { if (index == -1) { if (i == currentPage) { barStr += "<a href=\"" + url + "?page=" + i + "\">" + i + "</a> "; } else { barStr += "<a href=\"" + url + "?page=" + i + "\">[" + i + "]</a> "; } } else { if (i == currentPage) { barStr += "<a href=\"" + url + "&page=" + i + "\">" + i + "</a> "; } else { barStr += "<a href=\"" + url + "&page=" + i + "\">[" + i + "]</a> "; } } } if (b1) { if (index == -1) { barStr += "<a href=\"" + url + "?page=" + (currentPage + 1) + "\">下一页</a>"; } else { barStr += "<a href=\"" + url + "&page=" + (currentPage + 1) + "\">下一页</a>"; } } return barStr; }
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