xymanager.java

基于java的图文报表系统的设计与实现,报表的生成一直是企业级应用系统开发时专案人员所面临的严峻课题.同时也是信息化系统中重要的一环。优秀的报表工具以实现将数据转化为信息.为决策提供良好的依据.为信息

package manager;

import java.sql.Connection;
import java.util.ArrayList;
import java.util.List;

import org.apache.commons.dbutils.QueryRunner;
import org.apache.commons.dbutils.ResultSetHandler;
import org.apache.commons.dbutils.handlers.BeanHandler;
import org.apache.commons.dbutils.handlers.BeanListHandler;

import pojo.XyBean;
import dbmaster.DbMaster;

public class XyManager {
	QueryRunner run = new QueryRunner();

	ResultSetHandler rsh = null;

	
	public List getAll() {
		Connection con = null;
		List list = null;
		try {
			con = DbMaster.createConn();

			String sql = "select * from xyb order by lrsj DESC";

			rsh = new BeanListHandler(XyBean.class);
			list = (List) run.query(con, sql, rsh);
		} catch (Exception e) {
			System.out.println("getAll-->" + e);
		} finally {
			try {
				if (con != null) {
					con.close();
				}
			} catch (Exception e1) {
				System.out.println("getAll-->" + e1);
			}
		}
		return list;
	}

	
	public XyBean getxybyId(String id) {

		Connection con = null;
		XyBean xybean = null;
		try {
			con = DbMaster.createConn();

			String sql = "select * from xyb where id='" + id + "'";

			rsh = new BeanHandler(XyBean.class);
			xybean = (XyBean) run.query(con, sql, rsh);
			System.out.println("MMMM----xybean.getLrsj()==>"+xybean.getLrsj());
			System.out.println("MMMM----xybean.getLrr()==>"+xybean.getLrr());
		} catch (Exception e) {
			System.out.println("-->" + e);
		} finally {
			try {
				if (con != null) {
					con.close();
				}
			} catch (Exception e1) {
				System.out.println("-->" + e1);
			}
		}
		return xybean;
	}

	
	public int delxybyid(String id) {
		int i = 0;
		Connection con = null;
		try {
			con = DbMaster.createConn();

			String sql = "delete from xyb where id='" + id + "'";
			i = run.update(con, sql);
		} catch (Exception e) {
			System.out.println("  ->" + e);
		} finally {
			try {
				if (con != null) {
					con.close();
				}
			} catch (Exception e2) {
				System.out.println(e2);
			}

		}
		return i;
	}

	
	public int XzOrXgxybean(List list) {
		int i = 0;
		Connection con = null;
		try {
			con = DbMaster.createConn();
			// 通过list的size来判断是新增还是修改，size为3是新增，size是4是修改。
			int j = list.size();
			for(int k=0;k<list.size();k++){
				list.get(k);
				
			}
			
			if (j == 3) {
				List list2 = new ArrayList();
				list2.add("");
				list2.addAll(list);
				String sql = "insert into xyb values(?,?,?,?)";
				i = run.update(con, sql, list2.toArray());
			} else if (j == 4) {
				String sql = "update xyb set mc=?,lrr=?,lrsj=? where id=?";
				i = run.update(con, sql, list.toArray());
			}

		} catch (Exception e) {
			System.out.println("  ->" + e);
		} finally {
			try {
				if (con != null) {
					con.close();
				}
			} catch (Exception e2) {
				System.out.println(e2);
			}

		}
		return i;
	}
}