【新人求助】java.lang.IndexOutOfBoundsException: Index: 0, Size: 0

2016-10-25 06:59:57 411 阅读 AI 写同款 · GEO 优化AI 选题数据监测一键分发 ›

Java java.lang.IndexOutOfBoundsException: Index: 0, Size: 0问题解决问题描述： java.lang.IndexOutOfBoundsException: Index: 0, Size: 0 问题分析： 1、使用List的get()方法传参超过List的大小。 List<String> list = new ArrayList<>(); list.get(0); 解决办法：判断List是否为null并且大小要大于get()方法传参。 List<String> list = 阅读详情

SSH整合查询数据库数据做分页报错
（部分）
Exception occurred during processing request: Index: 0, Size: 0
java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
at java.util.ArrayList.rangeCheck(ArrayList.java:635)
at java.util.ArrayList.get(ArrayList.java:411)
at cn.zhs.daoImpl.BaseDaoImpl.getRowCount(BaseDaoImpl.java:33)
at cn.zhs.bizImpl.ClaimVoucherBizImpl.findByPage(ClaimVoucherBizImpl.java:69)
at cn.zhs.action.ClaimVoucherAction.searchClaimVoucher(ClaimVoucherAction.java:34)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)

BaseDaoImpl

package cn.zhs.daoImpl;



import java.util.List;



import org.hibernate.criterion.DetachedCriteria;

import org.springframework.orm.hibernate3.support.HibernateDaoSupport;



import cn.zhs.dao.BaseDao;

import cn.zhs.entiy.BizClaimVoucher;



public class BaseDaoImpl<T> extends HibernateDaoSupport implements BaseDao<T> {



	



	//查询账单

	@Override

	public List<BizClaimVoucher> search() {

	

		List<BizClaimVoucher> bizClaimVoucher =  this.getHibernateTemplate().find("from BizClaimVoucher");

		

		return bizClaimVoucher;

	}

	//分页查询

	public List<T> findByPage(DetachedCriteria criteria, int pageNo, int pageSize){

		

		return this.getHibernateTemplate().findByCriteria(criteria, (pageNo-1)*pageSize , pageSize);

	}

	//也数计算

	@Override

	public Long  getRowCount(DetachedCriteria criteria) {



		

		return (Long)this.getHibernateTemplate().findByCriteria(criteria).get(0);

	}

}

ClaimVoucherBizImpl

package cn.zhs.bizImpl;



import java.util.Date;

import java.util.List;



import org.hibernate.criterion.DetachedCriteria;

import org.hibernate.criterion.Property;

import org.hibernate.criterion.Restrictions;

import org.springframework.stereotype.Service;

import org.springframework.transaction.annotation.Transactional;



import com.opensymphony.xwork2.conversion.impl.DateConverter;



import cn.zhs.biz.ClaimVoucherBiz;

import cn.zhs.biz.EmployeeBiz;

import cn.zhs.dao.BaseDao;

import cn.zhs.dao.EmployeeDao;

import cn.zhs.entiy.BizClaimVoucher;

import cn.zhs.entiy.SysEmployee;

import cn.zhs.util.PaginationSupport;



@Service

@Transactional

public class ClaimVoucherBizImpl implements ClaimVoucherBiz {



private BaseDao baseDao;



	public BaseDao getBaseDao() {

	return baseDao;

}



public void setBaseDao(BaseDao baseDao) {

	this.baseDao = baseDao;

}



	@Override

	public List<BizClaimVoucher> searchClaimVoucherBiz() {

		List<BizClaimVoucher> bizClaimVoucher = baseDao.search();

		

			return bizClaimVoucher;

	}



	@Override

	public PaginationSupport<BizClaimVoucher> findByPage(String sn,

			String status, Date startDate, Date endDate, int pageNo,

			int pageSize) {

		System.out.println("@@@@@@@@       来自  Biz  impl          @@@@@@@@@@@");

		PaginationSupport<BizClaimVoucher> page = new PaginationSupport<BizClaimVoucher>();

		if(pageNo > 1){

			page.setCurrPageNo(pageNo);

		}

		if(pageSize > 0){

			page.setPageSize(pageSize);

		}

		//條件查詢

		DetachedCriteria criteria  = DetachedCriteria.forClass(BizClaimVoucher.class);

		criteria.add(Restrictions.eq("sysEmployeeByCreateSn.sn", sn));

		if(status !=null && status.length() != 0){

			criteria.add(Restrictions.eq("status",status));

		}

		if(startDate !=null){

			criteria.add(Restrictions.gt("createTime",startDate));

		}

		if(endDate !=null){

			criteria.add(Restrictions.lt("modifyTime",endDate));

		}

		

		criteria.setProjection(Property.forName("id"));

		int rowCount = baseDao.getRowCount(criteria).intValue();

		page.setTotalCount(rowCount);

		int pageCount = (rowCount + page.getPageSize() -1) / page.getPageSize();

		page.setTotalPageCount(pageCount);

		if(page.getTotalPageCount() >pageCount ){

			page.setTotalPageCount(pageCount);

		}

		criteria.setProjection(null);

		

		List<BizClaimVoucher> result = 	baseDao.findByPage(criteria, page.getCurrPageNo(), page.getPageSize());

			page.setItems(result);

		return page;

	}

	







}