<script type="text/javascript" src="jquery-1.10.2.min.js"></script>
<?php
header("Content-type: text/html; charset=utf-8");
//mysql_connect 建立連接,mysql_close($link)關(guān)閉非永久連接，mysql_pconnect 建立永久連接
//mysql_error返回mysql函數(shù)錯(cuò)誤信息，mysql_errno返回mysql函數(shù)錯(cuò)誤號碼
//mysql_set_charset 設(shè)置用戶端字符集，mysql_select_db 選擇連接數(shù)據(jù)庫
//mysql_query 執(zhí)行查詢，mysql_num_rows返回查詢記錄條數(shù)
//mysql_affected_rows返回受影響的記錄條數(shù)，mysql_free_result 釋放結(jié)果集內(nèi)存
//mysql_fetch_row 返回列舉陣列記錄，mysql_fetch_assoc 返回關(guān)聯(lián)陣列記錄
//mysql_fetch_array 返回關(guān)聯(lián)陣列或數(shù)字陣列記錄，mysql_fetch_object 返回物件形式記錄
//mysql_fetch_result 取得結(jié)果集資料
//%s 字符串,%c 一個(gè)ASCII字符,%d 一個(gè)整數(shù),%u 一個(gè)符號數(shù),%x 一個(gè)十六進(jìn)制數(shù)
mysql_query("set charaset set utf-8");
$message=@$_POST["message"];
$shanchu=@$_POST["shanchu"];
$top_title="PHP基礎(chǔ)練習(xí)";
$con=mysql_connect("localhost","root","");
//連接數(shù)據(jù)庫 
mysql_set_charset('utf-8',$con);
mysql_select_db("dbl",$con);
//定義數(shù)據(jù)庫命令查詢
$sql="select `message` ,`time`,`id` from message order by id desc limit 0,30";
//執(zhí)行數(shù)據(jù)庫查詢
$rs=mysql_query($sql,$con);
$time=date('Y-m-d h:i:s',time());
//獲取條數(shù)

$num_rows=mysql_num_rows($rs);//mysql_num_rows返回查詢記錄條數(shù)
if (isset($_POST["submits"])) {
if(!$_POST["message"]==null){
$queryinsert=sprintf("insert into message (message,time) values('%s','%s')",
$_POST['message'],$time);
mysql_query($queryinsert,$con);
}
    if($_POST["message"]==null){
echo "";
}
header("Location:http://localhost/table.php");
}

if(isset($_GET["ClearTd"]) && intval($_GET['ClearTd'])){
$querydelete="delete from message where id=".$_GET['ClearTd'];
    mysql_query($querydelete,$con);
header("Location:http://localhost/table.php");   
}
?>

<form method="post" action="table.php">
<textarea  name="message" id="message"></textarea>
<input type="submit" name="submits">
</form>

<ul>
<?php while($row=mysql_fetch_array($rs,MYSQL_ASSOC))
{
?>
<li>
<?php foreach($row as $tiao){
echo $tiao;
}?>
    <a name="ClearTd" href="?ClearTd=<?php echo $row['id'];?>">刪除</a>
</li>      
<?php } ?>
</ul>