newstypedaoimpl.java~3~

来自「新闻网(news) 带使用说明书 可以用作课程设计」· JAVA~3~ 代码 · 共 43 行

package com.victor.dao;

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

public class NewsTypeDaoImpl
    implements NewsTypeDao {
//查看所有的类别的方法
  public List typeWarch() {
    NewsTypeActionForm newsType = null;
    List list = new ArrayList();
    JDBConnection connection = new JDBConnection();
    String sql = "select * from tb_newsType";
    ResultSet rs = connection.executeQuery(sql);
    try {
      while (rs.next()) {
        newsType = new NewsTypeActionForm();
        newsType.setTypeID(Integer.valueOf(rs.getString(1)));
        newsType.setTypeName(rs.getString(2));
        newsType.setTypeTime(rs.getString(3));
        list.add(newsType);
      }
    }
    catch (SQLException ex) {
    }
    connection.close();
    return list;
  }

//对新闻类别的增加
  public void insertTpye(NewsTypeActionForm typeForm) {
    JDBConnection connection = new JDBConnection();
    String sql = "insert into tb_newsType values('" + typeForm.getTypeName() +
        "',getDate())";
    connection.executeUpdate(sql);
    connection.close();

  }
}