java 分頁條

package com.huawei.util;

public class PageUtil {

/**
 * 獲取分頁代碼
 * 
 * @param targetUrl
 *            目標地址
 * @param totalNum
 *            總記錄數
 * @param currentPage
 *            當前頁
 * @param pageSize
 *            每頁大小
 * @return
 */
public String getPagation(String targetUrl, int totalNum, int currentPage,
		int pageSize) {
	int totalPage = totalNum % pageSize == 0 ? totalNum / pageSize
			: totalNum / pageSize + 1;
	if (totalPage == 0) {
		return "<font color=red>未查詢到數據！</font>";
	}
	StringBuffer pageCode = new StringBuffer();
	pageCode.append("<li><a href='" + targetUrl + "?page=1'>首頁</a></li>");
	if (currentPage == 1) {
		pageCode.append("<li class='disabled'><a href='#'>上一頁</a></li>");
	} else {
		pageCode.append("<li><a href='" + targetUrl + "?page="
				+ (currentPage - 1) + "'>上一頁</a></li>");
	}

	for (int i = currentPage - 2; i <= currentPage + 2; i++) {
		if (i < 1 || i > totalPage) {
			continue;
		}
		if (i == currentPage) {
			pageCode.append("<li class='divider-vertical'><a href='#'>" + i
					+ "</a></li>");
		} else {
			pageCode.append("<li><a href='" + targetUrl + "?page=" + i
					+ "'>" + i + "</a></li>");
		}

	}

	if (currentPage == totalPage) {
		pageCode.append("<li class='disabled'><a href='#'>下一頁</a></li>");
	} else {
		pageCode.append("<li><a href='" + targetUrl + "?page="
				+ (currentPage + 1) + "'>下一頁</a></li>");
	}
	pageCode.append("<li><a href='" + targetUrl + "?page=" + totalPage
			+ "'>尾頁</a></li>");

	System.out.println("分頁。。。" + pageCode.toString());
	return pageCode.toString();
}

public static void main(String args[]) {

}

}