linkdaoimpl.java~4~

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package com.victor.dao;

import java.util.List;
import java.util.Arrays;
import com.victor.tool.JDBConnection;
import com.victor.domain.LinkActionForm;
import java.sql.ResultSet;
import java.sql.*;
import java.util.ArrayList;

public class LinkDaoImpl
    implements LinkDao {

  //对链接的全部查找
  public List linkSelect() {
    List list = new ArrayList();
    JDBConnection connection = new JDBConnection();
    LinkActionForm linkActionForm = null;
    String sql = "select * from tb_Link";
    ResultSet rs = connection.executeQuery(sql);
    try {
      while (rs.next()) {
        linkActionForm = new LinkActionForm();
        linkActionForm.setLinkID(Integer.valueOf(rs.getString(1)));
        linkActionForm.setLinkPicture(rs.getString(2));
        linkActionForm.setLinkName(rs.getString(3));
        linkActionForm.setLinkAddress(rs.getString(4));
        linkActionForm.setLinkIssueDate(rs.getString(5));
        list.add(linkActionForm);
      }
    }
    catch (SQLException ex) {
    }
    connection.close();
    return list;
  }

//删除链接
  public void linkDelete(LinkActionForm linkActionForm) {
    JDBConnection connection = new JDBConnection();
    String sql = "delete from tb_Link where ID='" + linkActionForm.getLinkID() +
        "'";
    connection.executeUpdate(sql);
    connection.close();
  }

//插入链接
  public void linkInsert(LinkActionForm linkActionForm) {
    JDBConnection connection = new JDBConnection();
    String sql = "insert into tb_Link values('" + linkActionForm.getLinkPicture() +
        "','" + linkActionForm.getLinkName() + "','" +
        linkActionForm.getLinkAddress() + "',getDate())";
    connection.executeUpdate(sql);
    connection.close();
  }

//单独查询
  public List linkSelectOne(LinkActionForm linkActionForm) {
    List list = new ArrayList();
    JDBConnection connection = new JDBConnection();
    LinkActionForm link = null;
    String sql = "select * from tb_Link where ID='"+linkActionForm.getLinkID()+"'";
    ResultSet rs=connection.executeQuery(sql);
    try {
      while (rs.next()) {
        linkActionForm = new LinkActionForm();
        linkActionForm.setLinkID(Integer.valueOf(rs.getString(1)));
        linkActionForm.setLinkPicture(rs.getString(2));
        linkActionForm.setLinkName(rs.getString(3));
        linkActionForm.setLinkAddress(rs.getString(4));
        linkActionForm.setLinkIssueDate(rs.getString(5));
        list.add(linkActionForm);

      }
    }
    catch (NumberFormatException ex) {
    }
    catch (SQLException ex) {
    }
    connection.close();
    return list;
  }

//修改属性
  public void linkUpdate(LinkActionForm linkActionForm) {
    JDBConnection connection = new JDBConnection();

  }
}