cqyxzdaoimpl.java~7~

JSP+SQL实现了一个拥有添加、删除、查询基本功能的CRM系统

package com.dao;

import java.util.List;
import com.tool.JDBConnection;
import java.util.ArrayList;
import java.sql.ResultSet;
import java.sql.*;
import com.domain.CqyxzForm;
import com.tool.SQLCode;

public class CqyxzDaoImpl
    implements CqyxzDao {
//查找的操作
  public List qyxzSelect() {
    JDBConnection connection = null;
    List list = new ArrayList();
    connection = new JDBConnection();
    String sql = SQLCode.getSQLCode("sql.qyxz.select");
    System.out.print(sql);
    CqyxzForm form = null;
    ResultSet rs = null;
    try {
      rs = connection.executeQuery(sql);
      System.out.print(rs);
      while (rs.next()) {
        form = new CqyxzForm();
        form.setQyxz_id(rs.getString(1));
        form.setQyxz_xzmc(rs.getString(2));
        form.setQyxz_bz(rs.getString(3));
        list.add(form);
      }
    }
    catch (SQLException ex) {
    }
    connection.close();
    return list;
  }

//删除的操作
  public void qyxzDelete(CqyxzForm qyxz) {
    JDBConnection connection = new JDBConnection();
    String sql = SQLCode.getSQLCode("sql.qyxz.delete");
    sql = connection.editSqlCode(sql, qyxz.getQyxz_id());
    connection.executeUpdate(sql);
    connection.close();

  }
}