分页问题

public class DaoUtil{
	/**
	 * 分页条
	 * @param total
	 * @param size //每页记录数
	 * @param page //当前页
	 * @param all //总页数
	 * @param cmd
	 * @param where //查询条件
	 * @param params
	 * @return
	 */
	public static String getPagination(int total, int size, int page, int all, String cmd, String where, String params){
		StringBuffer bf = new StringBuffer();
		String first = "disabled";
		String previous = "disabled";
		String next = "disabled";
		String last = "disabled";
		String message = "";
		String readonly = "";
		if(total>0){
			if(total>size){
				if(page==1){
					next = "onclick=btnclick('next');";
					last = "onclick=btnclick('last');";
				}else if(page>1 && page<all){
					first = "onclick=btnclick('first')";
					previous = "onclick=btnclick('previous')";
					next = "onclick=btnclick('next');";
					last = "onclick=btnclick('last');";
				}else {
					first = "onclick=btnclick('first')";
					previous = "onclick=btnclick('previous')";
				}
				int begin = size*(page-1)+1;
				int end = size*page;
				if(page==all){
					end = total;
				}
				message = "<span class='spanbar spanlabel'>当前显示 "+begin+" - "+end+" 条记录</span>"+"<span class='spanbar spanlabel'> / 共 "+total+" 条记录</span>";
			}else {
				readonly = "disabled";
				message = "<span class='spanbar spanlabel'>当前显示 1 - "+total+" 条记录</span>"+"<span class='spanbar spanlabel'> / 共 "+total+" 条记录</span>";
			}
		}else {
			readonly = "disabled";
			message = "当前没有可以显示的数据";
		}
		bf.append("<style type="text/css">.spanbar{margin-right: 8px;}.spanlabel{font-size: 13px;}</style>");
		bf.append("<table width="100%" height='30' border="0" cellpadding="0" cellspacing="0"><tr><td align='right'>")
			.append("<div style='margin-right: 10%'><span class='spanbar spanlabel'>")
			.append("<a href='javascript:;' ").append(first).append(">首  页</a></span>")
			.append("<span class='spanbar spanlabel'><a href='javascript:;' ").append(previous).append(">上一页</a></span>")
			.append("<span class='spanbar'><img src='../tbs_img/grid-split.gif' border='0' /></span>")
			.append("<span class='spanbar spanlabel'>页</span>")
			.append("<input type="text" id="pageText" ").append(readonly).append(" onfocus=this.style.imeMode='disabled';")
			.append(" style='24px; font-size:11px; border:1px solid #999;' value="").append(page).append("" /><span class='spanbar' style='margin-left: 8px;'>/</span>")
			.append("<span class='spanbar spanlabel'>").append(all).append("</span><span class='spanbar'><img src='../tbs_img/grid-split.gif' border='0' /></span>")
			.append("<span class='spanbar spanlabel'><a href='javascript:;' ").append(next).append(">下一页</a></span>")
			.append("<span style='margin-right: 50px;' class='spanlabel'><a href='javascript:;' ").append(last).append(">末  页</a></span>")
			.append(message).append("</div></td></tr></table>");
		bf.append("<input type="hidden" id="pageNum" name='pageNum' value='").append(page).append("' />");
		bf.append("<input type="hidden" id="pageType" name="pageType" />");
		bf.append("<input type="hidden" id="pageWhere" name="pageWhere" value="").append(where).append("" />");
		bf.append("<script>function btnclick(obj){var frmMain=$$$('frmMain');frmMain.cmd.value='").append(cmd).append("';frmMain.pageType.value=obj;")
			.append("frmMain.init.value='page';").append(params).append("getParams('frmMain');frmMain.target='_self';frmMain.submit();};")
			.append("function btnKeyDown(){if(event.keyCode==13){var n=$$$('pageText').value;if(n!=''&&n!=").append(page).append("){if(n>")
			.append(all).append("){n=").append(all).append(";};if(n<1){n=1;};$$$('pageNum').value=n;btnclick('');}else{return false;}}}</script>");
		return bf.toString();
	}
	
	/**
	 * 分页条
	 * @param total 总记录
	 * @param size 每页记录
	 * @return
	 */
	public static String getPagination2(int total, int size, int page) {
		StringBuffer s = new StringBuffer();
		int maxPage=1;
		if (total > 0) {
			maxPage = total<size?1:total/size+(total%size>0?1:0);
		}
		s.append("<style type='text/css'>");
		s.append(".p_bar{margin-right: 8px;};");
		s.append(".p_label{font-size: 14px;};");
		s.append("</style>");
		s.append("<table width='100%' height='30' border='0' cellpadding='0' cellspacing='0' align='center' style='cursor:default;'><tr><td width='55%' align='right'>");
		s.append("<span class='p_bar p_label'><a id='page_first' href='javascript:;' onclick='p_btn_click(this)'"+(page>1?"":" disabled")+">首  页</a></span>");
		s.append("<span class='p_bar p_label'><a id='page_previous' href='javascript:;' onclick='p_btn_click(this)'"+(page>1?"":" disabled")+">上一页</a></span>");
		s.append("<span class='p_bar'><img src='../tbs_img/grid-split.gif' border='0' /></span>");
		s.append("<span class='p_bar p_label'>页</span>");
		s.append("<input type='text' id='pageText' style='30px;border:1px solid #999;font-size:13px;' maxlength='"+String.valueOf(maxPage).length()+"' onfocus="this.style.imeMode='disabled';" "
				+ ((maxPage > 1) ? "" : "disabled")
				+ " onKeyPress='if(event.keyCode<48||event.keyCode>57)event.returnValue=false;' value='"+page+"' />");
		s.append("<span id='page_go' class='p_bar p_label' style='margin-left: 10px; cursor: pointer; color:red;' "
				+ ((maxPage > 1) ? "onclick='p_btn_click(this)'" : "disabled") + ">跳转</span>");
		s.append("<span class='p_bar'>/</span>");
		s.append("<span id='p_total' class='p_bar p_label'>"+maxPage+"</span><span class='p_bar'><img src='../tbs_img/grid-split.gif' border='0' /></span>");
		s.append("<span class='p_bar p_label'><a id='page_next' href='javascript:;'"
				+ ((maxPage > 1 && page < maxPage) ? "" : " disabled") + " onclick='p_btn_click(this)'>下一页</a></span>");
		s.append("<span class='p_label'><a id='page_last' href='javascript:;'"
				+ ((maxPage > 1 && page < maxPage) ? "" : " disabled") + " onclick='p_btn_click(this)'>末  页</a></span>");
		s.append("</td><td width='45%' align='center'>");
		s.append("<table border='0' cellpadding='0' cellspacing='0' width='320' id='p_data_full' class='p_bar p_label'"
				+ (total > 0 ? "" : " style='display:none;'")
				+ "><tr><td width='65' align='center'>当前显示</td><td width='35' align='right'><span id='p_start'>"+((page-1)*size+1)+"</span></td><td width='10' align='center'>-</td><td width='35' align='left'><span id='p_end'>"
				+ ((total > size) ? (page*size) : total)
				+ "</span></td><td width='85' align='left'>条记录 / 共</td><td width='40' align='left'><span id='p_count'>"
				+ total
				+ "</span></td><td width='50' align='center'>条记录</td></tr></table>");
		s.append("<span id='p_data_empty' class='p_bar p_label' "+(total>0?"style='display:none;'":"")+">当前没有可以显示的数据</span>");
		s.append("</td></tr></table>");
		s.append("<input type='hidden' id='P_N' name='P_N' value='"+page+"' />");
		s.append("<input type='hidden' id='P_W' name='P_W' />");
		s.append("<input type='hidden' id='P_ALL' name='P_ALL' value='"+maxPage+"' />");
		s.append("<input type='hidden' id='D_ALL' name='D_ALL' value='"+total+"' />");
		s.append("<input type='hidden' id='P_SIZE' name='P_SIZE' value='"+size+"' />");
		s.append("<script type='text/javascript' src='../cseipm/js/pagenation.js'></script>");
		return s.toString();
	}
	
	/**
	 * 获取分页信息
	 * @param total
	 * @param size
	 * @param page
	 * @param type
	 * @return
	 */
	public static int[] getPage(int total, int size, int page, String type){
		int[] s = new int[4];
		int quotient = total / size;
		int remainder = total % size;
		if(remainder>0){
			quotient += 1;
		}
		if(type.equals("first")){
			page = 1;
		}else if(type.equals("previous")){
			page -= 1;
		}else if(type.equals("next")){
			page += 1;
		}else if(type.equals("last")){
			page = quotient;
		}
		s[0] = page;
		s[1] = quotient;
		s[2] = (page-1)*size+1;
		s[3] = page*size;
		return s;
	}
}