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ShowLimitAction.java
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163 lines (133 loc) · 3.93 KB
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package com.nxdcms.action;
import org.hibernate.Session;
import org.hibernate.criterion.Criterion;
import org.hibernate.criterion.Order;
import org.hibernate.criterion.Restrictions;
import org.junit.Test;
import com.nxdcms.entity.PageObject;
import com.nxdcms.entity.Subcompetition;
import com.opensymphony.xwork2.Action;
import utils.HibernateUtils1;
import utils.LimitDao;
public class ShowLimitAction implements Action {
//获取表单的值
private String pageSize ;
private String curPage ;
private String grade ;
private String teacher;
private String time ;
private PageObject result = null;
@Override
public String execute() throws Exception {
//调试使用
System.out.println("当前页"+curPage+"每页行数"+pageSize+grade+teacher+time);
//定义查询条件
Criterion criterion0=null,criterion1=null,criterion2=null;
//创建hibernate的session
Session session = HibernateUtils1.getSession();
//定义hibernate所要查询类
Class ObjClass = null;
try {
//实例化要查询的类名
ObjClass = Class.forName("com.nxdcms.entity.Subcompetition");
} catch (ClassNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
//过滤查询条件，没有查询条件就将空值传入方法
if(grade!=null&&!"".equals(grade)&&!"null".equals(grade)){
criterion0 = Restrictions.like("awardGrade", grade);
}else{
System.out.println("grade null");
}
if(teacher!=null&&!"".equals(teacher)&&!"null".equals(teacher)){
criterion1 = Restrictions.like("teacher",teacher);
}else{
System.out.println("teacher null");
}
if(time!=null&&!"".equals(time)&&!"null".equals(time)){
criterion2 = Restrictions.like("awarddate", time);
}else{
System.out.println("time null");
}
//定义排序（降序/升序）
Order order = Order.asc("stuId1");
//参数传入工具，返回一个具体的分页类
//注意最后三个查询条件可以不止三个，理论可以传入无限多个查询条件
result = LimitDao.queryByPage(session, Integer.parseInt(pageSize), Integer.parseInt(curPage), ObjClass, order,
criterion0, criterion1, criterion2);
//调试使用
if (result == null) {
System.out.println("po null");
} else {
for (Object o : result.getList()) {
Subcompetition s = (Subcompetition) o;
System.out.println(s.getAwardGrade());
}
}
System.out.println(result);
return "success";
}
//测试函数
@Test
public void test() {
Session session = HibernateUtils1.getSession();
Class ObjClass = null;
try {
ObjClass = Class.forName("com.nxdcms.entity.Subcompetition");
} catch (ClassNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
Order order = Order.asc("stuId1");
Criterion criterion0 = Restrictions.like("awardGrade", grade);
Criterion criterion1 = Restrictions.like("teacher", teacher);
result = LimitDao.queryByPage(session, Integer.parseInt(pageSize), Integer.parseInt(curPage), ObjClass, order,
criterion0, criterion1);
if (result == null) {
System.out.println("po null");
} else {
for (Object o : result.getList()) {
Subcompetition s = (Subcompetition) o;
System.out.println(s.getAwardGrade());
}
}
System.out.println(result);
}
public String getPageSize() {
return pageSize;
}
public void setPageSize(String pageSize) {
this.pageSize = pageSize;
}
public String getCurPage() {
return curPage;
}
public void setCurPage(String curPage) {
this.curPage = curPage;
}
public String getTeacher() {
return teacher;
}
public void setTeacher(String teacher) {
this.teacher = teacher;
}
public PageObject getResult() {
return result;
}
public void setResult(PageObject result) {
this.result = result;
}
public String getTime() {
return time;
}
public void setTime(String time) {
this.time = time;
}
public String getGrade() {
return grade;
}
public void setGrade(String grade) {
this.grade = grade;
}
}