Myeclipse集成SSH

      package com.lee.crud2.DAO;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.*;

import com.lee.crud2.vo.ZtreePO;

import net.sf.json.JSONArray;
import net.sf.json.JSONObject;

public class TreeNodeDAO {
	public List<ZtreePO> getMakeNodes(){return null;}
	public List<ZtreePO> getTreeAllNodes(){
		List<Map<String,Object>> list = new ArrayList<Map<String,Object>>();
		List<ZtreePO> listPO = new ArrayList<ZtreePO>();
		Map<String,Object> subitem = new HashMap<String,Object>();
		Connection conn = null;
		Statement stmt = null;
		ResultSet rs = null;
		String address = "jdbc:oracle:thin:@localhost:1521:orcl";
		String user = "lee";
		String password = "lee";
		String sql = "";
		try {
			Class.forName("oracle.jdbc.driver.OracleDriver");
			conn = DriverManager.getConnection(address, user, password);
			stmt = conn.createStatement();
				
			sql = "select distinct hyml_dm , hyml_mc  from HYMXK_MX_HY t";
			
			rs = stmt.executeQuery(sql);
			ZtreePO poroot = new ZtreePO();
			poroot.setId("999");
			poroot.setPid("0");
			poroot.setName("root");
			poroot.setOpen(true);
			listPO.add(poroot);
			while(rs.next()){
				ZtreePO po = new ZtreePO();
				po.setId(rs.getString("hyml_dm"));
				po.setPid("999");
				po.setName(rs.getString("hyml_mc"));
				po.setOpen(false);
				listPO.add(po);
			}
			sql = "select distinct hydl_dm , hydl_mc, hyml_dm from HYMXK_MX_HY t"; 
			rs = stmt.executeQuery(sql);
			while(rs.next()){
				ZtreePO po = new ZtreePO();
				po.setId(rs.getString("hydl_dm"));
				po.setPid(rs.getString("hyml_dm"));
				po.setName(rs.getString("hydl_mc"));
				listPO.add(po);
			}
			sql = "select distinct hyxl_dm , hyxl_mc, hydl_dm from HYMXK_MX_HY t"; 
			rs = stmt.executeQuery(sql);
			while(rs.next()){
				ZtreePO po = new ZtreePO();
				po.setId(rs.getString("hyxl_dm"));
				po.setPid(rs.getString("hydl_dm"));
				po.setName(rs.getString("hyxl_mc"));
				listPO.add(po);
			}
		} catch (ClassNotFoundException e) {
			e.printStackTrace();
		} catch (SQLException e) {
			e.printStackTrace();
		}finally{
			try {
				rs.close();
			} catch (SQLException e) {
				e.printStackTrace();
			}
			try {
				stmt.close();
			} catch (SQLException e) {
				e.printStackTrace();
			}
			try {
				conn.close();
			} catch (SQLException e) {
				e.printStackTrace();
			}
		}
		return listPO;
	}
	/*
	public List<ZtreePO> getTreeNodes(String hydm, String hymc){
		List<Map<String,Object>> list = new ArrayList<Map<String,Object>>();
		List<ZtreePO> listPO = new ArrayList<ZtreePO>();
		Map<String,Object> subitem = new HashMap<String,Object>();
		Connection conn = null;
		Statement stmt = null;
		ResultSet rs = null;
		String address = "jdbc:oracle:thin:@localhost:1521:orcl";
		String user = "lee";
		String password = "lee";
		String sql = "";
		try {
			Class.forName("oracle.jdbc.driver.OracleDriver");
			conn = DriverManager.getConnection(address, user, password);
			//sql = "select distinct hyml_dm,hyml_mc from HYMXK_MX_HY t"; 
			
				
			sql = "select distinct " + hydm + " hydm, " + hymc + " hymc from HYMXK_MX_HY t";
			//System.out.println("sql:"+sql);
			stmt = conn.createStatement();
			rs = stmt.executeQuery(sql);
			
			while(rs.next()){
				ZtreePO po = new ZtreePO();
				po.setId(rs.getString("hydm"));
				po.setName(rs.getString("hymc"));
				po.setPid("0");
				//po.setHasChild(false);
				listPO.add(po);
			}
		} catch (ClassNotFoundException e) {
			e.printStackTrace();
		} catch (SQLException e) {
			e.printStackTrace();
		}finally{
			try {
				rs.close();
			} catch (SQLException e) {
				e.printStackTrace();
			}
			try {
				stmt.close();
			} catch (SQLException e) {
				e.printStackTrace();
			}
			try {
				conn.close();
			} catch (SQLException e) {
				e.printStackTrace();
			}
		}
		return listPO;
	}*/
	/*public JSONArray getTreeNodesByJson(String hydm, String hymc){
		Connection conn = null;
		Statement stmt = null;
		ResultSet rs = null;
		
		JSONArray jsonArray = new JSONArray();
		
		String address = "jdbc:oracle:thin:@localhost:1521:orcl";
		String user = "lee";
		String password = "lee";
		String sql = "";
		try {
			
			Class.forName("oracle.jdbc.driver.OracleDriver");
			conn = DriverManager.getConnection(address, user, password);
			//sql = "select distinct hyml_dm,hyml_mc from HYMXK_MX_HY t"; 
			sql = "select distinct " + hydm + ", " + hymc + " from HYMXK_MX_HY t";
			//System.out.println("sql:"+sql);
			stmt = conn.createStatement();
			rs = stmt.executeQuery(sql);
			while(rs.next()){
				JSONObject j = new JSONObject(); 
				j.put("id", rs.getString(hydm));
				j.put("name", rs.getString(hymc));
				jsonArray.add(j);
			}
		} catch (ClassNotFoundException e) {
			e.printStackTrace();
		} catch (SQLException e) {
			e.printStackTrace();
		}finally{
			try {
				rs.close();
			} catch (SQLException e) {
				e.printStackTrace();
			}
			try {
				stmt.close();
			} catch (SQLException e) {
				e.printStackTrace();
			}
			try {
				conn.close();
			} catch (SQLException e) {
				e.printStackTrace();
			}
		}
		return jsonArray;
	}*/
	
	public static void main(String[] args) {
		TreeNodeDAO t = new TreeNodeDAO();
		String hydm = "hydl_dm";
		String hymc = "hydl_mc";
		//t.getTreeNodes(hydm,hymc);

	}

}