function check(){
var login_username = document.getElementById("uname");
var login_password = document.getElementById("upwd");
if(login_username.value == ""){
alert("用户名不能为空！请重新填入！");
login_username.focus();
return false;
}else if(login_password.value == ""){
alert("密码不能为空！请重新填入！");
login_password.focus();
return false;
}
return true;
}
function focusOnLogin(){
var login_username = document.getElementById("uname");
login_username.focus();
}
</script>
</head>
<body onload="focusOnLogin()">
<div id="header">
<div id="top_login">
<form action="util/do_login.jsp" method="post" onsubmit="return check()">
<label> 登录名 </label>
<input type="text" name="uname" value="" class="login_input" />
<label> 密  码 </label>
<input type="password" name="upwd" value="" class="login_input" />
<input type="submit" class="login_sub" value="登录" />
<label id="error"> </label>
<img src="images/friend_logo.gif" alt="Google" id="friend_logo" />
</form>
</div>
<div id="nav">
<div id="logo"> <img src="images/logo.jpg" alt="新闻中国" /> </div>
<div id="a_b01"> <img src="images/a_b01.gif" alt="" /> </div>
<!--mainnav end-->
</div>
</div>
<div id="container">
<div class="sidebar">
<h1> <img src="images/title_1.gif" alt="国内新闻" /> </h1>
<div class="side_list">
<ul>
<li> <a href='#'><b> 景区，如何不再依靠门票收入 </b></a> </li>
<li> <a href='#'><b> 高考期间中东部地区将现大范围降雨 </b></a> </li>
<li> <a href='#'><b> 山西离柳焦煤集团井下人行车发生事故6人死亡 </b></a> </li>
</ul>
</div>
<h1> <img src="images/title_2.gif" alt="国际新闻" /> </h1>
<div class="side_list">
</div>
<h1> <img src="images/title_3.gif" alt="娱乐新闻" /> </h1>
<div class="side_list">
<ul>
<li> <a href='#'><b> "星跳水立方"决战临近 陈楚生被华谊要求进前三 </b></a> </li>
<li> <a href='#'><b> 《新恋爱时代》登东方卫视 《非诚》元素遭删除 </b></a> </li>
<li> <a href='#'><b> 《海角七号》导演新片开机 吴宇森等出席 </b></a> </li>
<li> <a href='#'><b> 《致命黑兰》佐伊坐拥7种武器 暴力登陆全国院线 </b></a> </li>
</ul>
</div>
</div>
<div class="main">
<div class="class_type"> <img src="images/class_type.gif" alt="新闻中心" /> </div>
<div class="content">
<ul class="class_date">
<li id='class_month'> <a href='#'><b> 国内 </b></a> <a href='#'><b> 国际 </b></a> <a href='#'><b> 军事 </b></a> <a href='#'><b> 体育 </b></a> <a href='#'><b> 娱乐 </b></a> <a href='#'><b> 社会 </b></a> <a href='#'><b> 财经 </b></a> <a href='#'><b> 科技 </b></a> <a href='#'><b> 健康 </b></a> <a href='#'><b> 汽车 </b></a> <a href='#'><b> 教育 </b></a> </li>
<li id='class_month'> <a href='#'><b> 房产 </b></a> <a href='#'><b> 家居 </b></a> <a href='#'><b> 旅游 </b></a> <a href='#'><b> 文化 </b></a> <a href='#'><b> 其他 </b></a> </li>
</ul>
<ul class="classlist">
<li><a href='newspages/news_read.jsp'> 深足教练组：说我们买球是侮辱 朱广沪常暗中支招 </a><span> 2013-06-06 01:03:51.0 </span></li>
<p align="right"> 当前页数:[1/2] <a href="#">下一页</a> <a href="#">末页</a> </p>
</ul>
</div>
<div class="picnews">
<ul>
<li> <a href="#"><img src="images/Picture1.jpg" width="249" alt="" /> </a><a href="#">幻想中穿越时空</a> </li>
<li> <a href="#"><img src="images/Picture2.jpg" width="249" alt="" /> </a><a href="#">国庆多变的发型</a> </li>
<li> <a href="#"><img src="images/Picture3.jpg" width="249" alt="" /> </a><a href="#">新技术照亮都市</a> </li>
<li> <a href="#"><img src="images/Picture4.jpg" width="249" alt="" /> </a><a href="#">群星闪耀红地毯</a> </li>
</ul>
</div>
</div>
</div>
<%@include file="index-elements/index_bottom.html"%>
</body>
public class BaseDao {
// 01. 基础内容的准备
private static final String driver="com.microsoft.sqlserver.jdbc.SQLServerDriver";
private static final String url="jdbc:sqlserver://localhost:1433;DataBaseName=newsS2223";
private static final String username="sa";
private static final String pwd="6375196";
//02, 接口对象的准备
Connection con=null;
PreparedStatement ps=null;
public ResultSet rs=null;
/**
* 01.写一个用户获取到一个连接对象的方法，方法的返回值是Connection类型
* @return 连接对象
* @throws Exception
*/
public Connection getConnection() throws Exception{
Class.forName(driver);
//什么条件下，构建connection对象
if (con==null||con.isClosed()) {
con=DriverManager.getConnection(url, username, pwd);
}
//同志们碰到一个
return con;
}
/**
* 执行查询操作 目的：返回一个读取器
* @param sql sql语句
* @param objs 参数列表
* @return 读取器对象
* @throws Exception
*/
public ResultSet executeQuery(String sql,Object... objs) throws Exception{
con=getConnection();
ps = con.prepareStatement(sql);
for (int i = 0; i < objs.length; i++) {
ps.setObject(i+1, objs[i]);
}
rs= ps.executeQuery();
return rs;
}
/**
* 执行增删该操作
* @param sql sql语句
* @param objs 参数列表
* @return 受影响行数
* @throws Exception
*/
public int executeUpdate(String sql,Object... objs) throws Exception{
con=getConnection();
ps = con.prepareStatement(sql);
for (int i = 0; i < objs.length; i++) {
ps.setObject(i+1, objs[i]);
}
int count = ps.executeUpdate();
return count;
}
/**
* 回收连接资源
* @throws Exception
*/
public void closeAll() throws Exception{
//倒着回收
if(rs!=null){
rs.close();
}
if (ps!=null) {
ps.close();
}
if(con!=null){
con.close();
}
}
}
public class NewsDetailDAOImpl extends BaseDao implements NewsDetailDAO{
@Test
public void testAll() throws Exception{
List<NewsDetail> list= getAllNews() ;
for (NewsDetail item : list) {
System.out.println(item.getNewsTitle());
}
}
public List<NewsDetail> getAllNews() throws Exception {
List<NewsDetail> list=new ArrayList<NewsDetail>();
String sql="select * from newsDetails";
ResultSet rs = executeQuery(sql);
if(rs!=null){
while(rs.next()){
//各个列
//赋值给单个新闻对象的各个属性
NewsDetail news=new NewsDetail();
news.setNewsId(rs.getInt("newsId"));
news.setNewsTitle(rs.getString("newsTitle"));
news.setNewsContent(rs.getString("newsContent"));
news.setNewsCreateDate(rs.getDate("newsCreateDate"));
news.setNewsAuthor(rs.getString("newsAuthor"));
news.setNewsCategoryId(rs.getInt("newsCategoryId"));
//单个新闻对象加入新闻泛型
list.add(news);
}
}
return list;
}
}
public class NewsDetail {
private int newsId;
private String newsTitle;
private String newsContent;
private Date newsCreateDate;
private String newsAuthor;
private int newsCategoryId;
public int getNewsId() {
return newsId;
}
public void setNewsId(int newsId) {
this.newsId = newsId;
}
public String getNewsTitle() {
return newsTitle;
}
public void setNewsTitle(String newsTitle) {
this.newsTitle = newsTitle;
}
public String getNewsContent() {
return newsContent;
}
public void setNewsContent(String newsContent) {
this.newsContent = newsContent;
}
public Date getNewsCreateDate() {
return newsCreateDate;
}
public void setNewsCreateDate(Date newsCreateDate) {
this.newsCreateDate = newsCreateDate;
}
public String getNewsAuthor() {
return newsAuthor;
}
public void setNewsAuthor(String newsAuthor) {
this.newsAuthor = newsAuthor;
}
public int getNewsCategoryId() {
return newsCategoryId;
}
public void setNewsCategoryId(int newsCategoryId) {
this.newsCategoryId = newsCategoryId;
}
}