• JSP 6


     1 InitialContext ictx = new InitialContext();
    2 Context ctx = (Context)ictx.lookup("java:comp/env");
    3 DataSource ds = (DataSource)ctx.lookup("jdbc/NewsDB");
    4 //Context ctx = new InitialContext();
    5 //DataSource ds = (DataSource)ctx.lookup("java:comp/env/jdbc/NewsDB");
    6
    7 /*
    8 Context initContext = new InitialContext();
    9 Context envContext = (Context)initContext.lookup("java:comp/env");
    10 DataSource ds = (DataSource)envContext.lookup("jdbc/NewsDB");
    11 Connection conn = ds.getConnection();
    12 */
      1 <div id="main">
    2 <div id="opt_list">
    3 <a>添加新闻</a><br />
    4 <a>编辑新闻</a><br />
    5 <a>查找新闻</a><br />
    6 <a>添加主题</a><br />
    7 <a>编辑主题</a>
    8 </div>
    9 <%!
    10 List displayNews() {
    11 List newsList = new ArrayList();
    12 try {
    13 Class.forName("oracle.jdbc.driver.OracleDriver");
    14 Connection conn = DriverManager.getConnection(
    15 "jdbc:oracle:thin:@localhost:1521:accp", "JSPnewsAdmin",
    16 "JSPnewsAdmin");
    17
    18 String sql = "select * from TNews";
    19 Statement stmt = conn.createStatement();
    20
    21 ResultSet rs = stmt.executeQuery(sql);
    22
    23 String str = "";
    24
    25 while (rs.next()) {
    26 str = "";
    27 for (int i = 0; i <= 8; i++) {
    28 str += rs.getObject(3) + "-";
    29 }
    30 newsList.add(str);
    31 }
    32 rs.close();
    33 stmt.close();
    34 conn.close();
    35 } catch (ClassNotFoundException e1) {
    36
    37 } catch (SQLException e2) {
    38
    39 }
    40
    41 return newsList;
    42
    43 }
    44
    45 List GetNews()
    46 {
    47 List newsList = new ArrayList();
    48
    49 try {
    50 Class.forName("oracle.jdbc.driver.OracleDriver");
    51 Connection conn = DriverManager.getConnection(
    52 "jdbc:oracle:thin:@localhost:1521:accp", "JSPnewsAdmin",
    53 "JSPnewsAdmin");
    54
    55 String sql = "select * from TNews";
    56 Statement stmt = conn.createStatement();
    57
    58 ResultSet rs = stmt.executeQuery(sql);
    59
    60 ResultSetMetaData md = rs.getMetaData();
    61 int columnCount = md.getColumnCount();
    62
    63 String str = "";
    64
    65 while (rs.next()) {
    66 Map rowData = new HashMap();
    67 for (int i = 0; i <= columnCount; i++) {
    68 rowData.put(md.getColumnName(i), rs.getObject(i));
    69 }
    70 newsList.add(rowData);
    71 }
    72
    73 rs.close();
    74 stmt.close();
    75 conn.close();
    76 } catch (ClassNotFoundException e1) {
    77
    78 } catch (SQLException e2) {
    79
    80 }
    81 finally
    82 {
    83
    84 }
    85 return newsList;
    86 }
    87 List nlist = displayNews();
    88 List nlist2 = GetNews();
    89
    90 %>
    91 <div id="opt_area">
    92 <ul class="classlist">
    93 <%
    94 out.print(nlist2.size());
    95 for(int i = 0;i < nlist2.size(); i ++)
    96 {
    97 Map data = (HashMap)nlist.get(i);
    98 out.print(data.get("NContent"));
    99 %>
    100 <li>
    101 <span>
    102 作者<%="Author" %>
    103 <a href="#">修改</a>&nbsp;&nbsp;&nbsp;&nbsp;
    104 <a href="#">删除</a>
    105 </span>
    106 </li>
    107 <%
    108 }
    109 %>
    110
    111 <%
    112 for (int i = 0; i < nlist.size(); i++) {
    113
    114 String[] ninfo = ((String)nlist.get(i)).split("-");
    115 %>
    116 <li>
    117 <%=ninfo[0] %><span>作者<%="123"%>&nbsp;&nbsp;&nbsp;&nbsp;
    118 <a href="#">修改</a>&nbsp;&nbsp;&nbsp;&nbsp;<a href="#">删除</a></span>
    119 </li>
    120 <%
    121 if ((i % 5 == 0) && (i != 0)) {
    122 %>
    123 <li class="space">123</li>
    124 <%
    125 }
    126 }
    127 %>
    128 </ul>
    129 </div>
    130 </div>



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  • 原文地址:https://www.cnblogs.com/changweihua/p/2265156.html
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