使用 Mybatis分页插件-pagehelper 自己定义了一个分页标签。
1. 标签类型集成自 BodyTagSupport
package boce.auth.common.util;
import java.io.IOException;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.tagext.BodyTagSupport;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.github.pagehelper.PageInfo;
@SuppressWarnings("serial")
public class PageInfoTag extends BodyTagSupport{
private static final Logger pLog = LoggerFactory.getLogger(PageInfoTag.class);
@SuppressWarnings("rawtypes")
private PageInfo pageInfo;
/**
* 执行方法的名称
*/
private String methodName;
public String getMethodName() {
return methodName;
}
public void setMethodName(String methodName) {
this.methodName = methodName;
}
@SuppressWarnings("rawtypes")
public PageInfo getPageInfo() {
return pageInfo;
}
@SuppressWarnings("rawtypes")
public void setPageInfo(PageInfo pageInfo) {
this.pageInfo = pageInfo;
}
public String toolBar(){
StringBuffer href = new StringBuffer(30);
href.append("<a href=\"").append(methodName).append("?pageNow=");
StringBuffer sb = new StringBuffer(200);
sb.append("当前:").append(pageInfo.getPageNum()).append("页");
sb.append(" 共").append(pageInfo.getTotal()).append("条/");
sb.append(pageInfo.getPages()).append("页 ");
//导航栏的第一页
sb.append(href.toString()).append(pageInfo.getFirstPage()).append("\">首页</a> ");
if(pageInfo.isHasPreviousPage()){
sb.append(href.toString()).append(pageInfo.getPrePage()).append("\">上页</a> ");
}
if(null !=pageInfo.getNavigatepageNums()){
int page[] =pageInfo.getNavigatepageNums();
for(int i=0;i<page.length;i++){
sb.append(href.toString()).append(page[i]).append("\">");
sb.append(page[i]).append("</a>").append(" ");
}
}
if(pageInfo.isHasNextPage()){
sb.append(href.toString()).append(pageInfo.getNextPage()).append("\">下页</a> ");
}
//导航栏的最后一页
sb.append(href.toString()).append(pageInfo.getLastPage()).append("\">末页</a> ");
// sb.append("navigatePages:"+pageInfo.getNavigatePages());
// sb.append("last:"+pageInfo.getLastPage());
// sb.append("pages:"+pageInfo.getPages());
// sb.append("pagesize:"+pageInfo.getPageSize());
// sb.append("hasNextPage"+pageInfo.isHasNextPage());
// System.out.println(sb.toString());
return sb.toString();
}
@Override
public int doStartTag() throws JspException {
try {
super.pageContext.getOut().write(toolBar());
} catch (IOException e) {
//e.printStackTrace();
pLog.error("PageInfoTag类 分页控件出问题了", e.fillInStackTrace());
}
return super.doStartTag();
}
@Override
public int doAfterBody() throws JspException {
//System.out.println("doAfterBody()");
return SKIP_BODY;
}
@Override
public int doEndTag() throws JspException {
// System.out.println("doEndTag()");
// JspWriter out = this.pageContext.getOut();
//
// try {
// out.print("hello12!");
// } catch (IOException e) {
// e.printStackTrace();
// }
//
return super.doEndTag();
}
}
2. 在WEB-INF 目录中定义tld 文件夹,然后定义pageInfoTag.tld 文件
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE taglib PUBLIC "-//Sun Microsystems, Inc.//DTD JSP Tag Library 1.2//EN"
"http://java.sun.com/dtd/web-jsptaglibrary_1_2.dtd">
<taglib>
<tlib-version>1.0</tlib-version>
<jsp-version>1.2</jsp-version>
<short-name>ct</short-name>
<uri>/pageInfoTag</uri>
<tag>
<name>page</name>
<tag-class>boce.auth.common.util.PageInfoTag</tag-class>
<body-content>JSP</body-content>
<attribute>
<name>pageInfo</name>
<required>true</required>
<rtexprvalue>true</rtexprvalue>
</attribute>
<attribute>
<name>methodName</name>
<required>true</required>
<rtexprvalue>true</rtexprvalue>
</attribute>
</tag>
</taglib>
3.在jsp 页面引入
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/fmt" prefix="fmt"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/functions" prefix="fn"%>
<%@taglib prefix="shiro" uri="http://shiro.apache.org/tags" %>
<%@ taglib uri="/WEB-INF/tld/dateConvert.tld" prefix="ct"%>
<%@ taglib uri="/WEB-INF/tld/pageInfoTag.tld" prefix="pg"%>
<html>
<head>
<title></title>
</head>
<body>
欢迎${subject.principal}登录成功!
<a href="${pageContext.request.contextPath}/logout.do">退出</a>
<c:forEach items="${page.list}" var="item">
${item.id}--${item.userName } <br/>
</c:forEach>
<br/>
<pg:page pageInfo="${page}" methodName="user.do"></pg:page>
</body>
</html>
4. contrllor 代码
package boce.auth.shiro.mvccontroller;
import java.util.List;
import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;
import com.github.pagehelper.Page;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import boce.auth.common.util.PageCommon;
import boce.auth.shiro.pojo.User;
import boce.auth.shiro.service.UserService;
@Controller
public class UserController extends BaseController{
@Resource
private UserService userService;
@RequestMapping("/sys/user.do")
public ModelAndView webLogin(HttpServletRequest request,HttpServletResponse res){
ModelAndView mav = new ModelAndView("sys/user");
User user = new User();
List<User> list = userService.list(user,getPageNum(request));
PageInfo<User> page = new PageInfo<User>(list);
mav.addObject("page", page);
return mav;
}
@RequestMapping("/sys/refuse.do")
public ModelAndView refuse(){
ModelAndView mav = new ModelAndView("refuse");
return mav;
}
}
package boce.auth.shiro.service;
import java.util.List;
import javax.annotation.Resource;
import org.apache.shiro.authz.annotation.RequiresPermissions;
import org.springframework.stereotype.Service;
import boce.auth.shiro.dao.UserDao;
import boce.auth.shiro.pojo.User;
@Service
public class UserService {
@Resource
private UserDao userDao;
@RequiresPermissions("/sys/user.do:query")
public List<User> list(User user,int pageNum){
return userDao.listNoSql(user,pageNum);
}
}
package boce.auth.shiro.dao;
import java.util.List;
import org.mybatis.spring.support.SqlSessionDaoSupport;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;
import org.springframework.stereotype.Repository;
import org.springframework.transaction.TransactionDefinition;
import org.springframework.transaction.TransactionStatus;
import org.springframework.transaction.support.DefaultTransactionDefinition;
import com.github.pagehelper.Page;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import boce.auth.common.util.PageCommon;
import boce.auth.shiro.pojo.User;
@Repository
public class UserDao extends SqlSessionDaoSupport{
@Autowired
private DataSourceTransactionManager txManager;
public DataSourceTransactionManager getTxManager() {
return txManager;
}
public void setTxManager(DataSourceTransactionManager txManager) {
this.txManager = txManager;
}
public void list(){
User user = new User();
List<User> list = this.getSqlSession().selectList("boce.auth.shiro.pojo.User.select_user", user);
for(User u:list){
System.out.println(u.getUserName());
}
}
public void insert() throws Exception{
User user = new User();
user.setId(160407);
user.setUserName("gjp");
user.setPassWord("123456");
user.setPassWordSalt("salt");
final String statement ="boce.auth.shiro.pojo.User.insert_user";
DefaultTransactionDefinition def = new DefaultTransactionDefinition();
def.setPropagationBehavior(TransactionDefinition.PROPAGATION_REQUIRED);
TransactionStatus status = txManager.getTransaction(def);
try {
int size = this.getSqlSession().insert(statement, user);
System.out.println("size:"+size);
//throw new Exception("123");
// User u =null;
// u.getId();
int size1 = this.getSqlSession().insert(statement, user);
System.out.println("size:"+size1);
}
catch (Exception ex) {
txManager.rollback(status);
// throw ex;
}
txManager.commit(status);
}
public List<User> listNoSql(){
int start =1;
Page<User> p = PageHelper.startPage(1, 1);
UserInf userInf = this.getSqlSession().getMapper(UserInf.class);
List<User> list = userInf.list();
PageInfo<User> pageInfo = new PageInfo<User>(list, 20);
// System.out.println("当前:"+pageInfo.getPageNum()+":"
// +pageInfo.getTotal()+": next="+pageInfo.getNextPage()
// +"==="+pageInfo);
// for(User user:p.getResult()){
// System.out.println(user.getUserName()+" :no sql :"+user.getPassWord());
// }
return list;
}
public List<User> listNoSql(User user,int PageNum){
Page<User> p = PageHelper.startPage(PageNum, PageCommon.PAGE_SIZE);
UserInf userInf = this.getSqlSession().getMapper(UserInf.class);
List<User> list = userInf.list();
return list;
}
}
运行结果: