java分页三个类 PageBean ResponseUtil StringUtil

这里写代码片  mysql easyui

package ssmy.page;

/**

* 分页类

* @author Jesse

*

*/

public class PageBean

{

private int page;//第几页

private int pageSize;//每页显示的记录数

private int start ;//起始记录数

public int getPage() {

return page;

}

public void setPage(int page) {

this.page = page;

}

public int getPageSize() {

return pageSize;

}

public void setPageSize(int pageSize) {

this.pageSize = pageSize;

}

public int getStart() {

return (page-1)*pageSize;

}

public void setStart(int start) {

this.start = start;

}

public PageBean(int page, int pageSize) {

super();

this.page = page;

this.pageSize = pageSize;

}

}

这里写代码片 oracle easyui

package ssmy.page;

/**

* 分页类

* @author Jesse

*

*/

public class PageBean

{

private int page;//第几页

private int pageSize;//每页显示的记录数

private int start ;//起始记录数

public int getPage() {

return page;

}

public void setPage(int page) {

this.page = page;

}

public int getPageSize() {

return pageSize;

}

public void setPageSize(int pageSize) {

this.pageSize = pageSize;

}

public int getStart() {

// return (page-1)*pageSize;

return start;

}

public void setStart(int start) {

this.start = start;

}

public PageBean(int page, int pageSize) {

super();

this.page = page;

this.pageSize = pageSize;

}

/**

* 得到开始记录数

* */

public int getStartRow(){

return (page - 1) * pageSize;

}

/**

* 得到结束记录数

* */

public int getEndRow(){

return page * pageSize;

}

}

package ssmy.page;

import java.io.PrintWriter;

import javax.servlet.http.HttpServletResponse;

public class ResponseUtil {

public static void write(HttpServletResponse response,Object o)throws Exception{

response.setContentType(“text/html;charset=utf-8”);

PrintWriter out=response.getWriter();

out.println(o.toString());

out.flush();

out.close();

}

}

package ssmy.page;

/**

* 字符串工具类

* @author

*

*/

public class StringUtil {

/**

* 判断是否是空

* @param str

* @return

*/

public static boolean isEmpty(String str){

if(str==null||”“.equals(str.trim())){

return true;

}else{

return false;

}

}

/**

* 判断是否不是空

* @param str

* @return

*/

public static boolean isNotEmpty(String str){

if((str!=null)&&!”“.equals(str.trim())){

return true;

}else{

return false;

}

}

/**

* 格式化模糊查询

* @param str

* @return

*/

public static String formatLike(String str){

if(isNotEmpty(str)){

return “%”+str+”%”;

}else{

return null;

}

}

}