<?php 
require_once "DB.php"; //包含類庫文件 
$conn = DB::connect("mysql://root:1981427@localhost/test"); //連接數(shù)據(jù)庫 
if (!DB::isError($conn)) { //判斷是否連接成功 
print "數(shù)據(jù)庫連接成功"; 
} 
else 
{ 
echo "數(shù)據(jù)庫連接失?。?; 
} 
?>

復(fù)制代碼代碼如下:

<?php 
require_once "DB.php"; 
$conn = DB::connect("mysql://root:1981427@localhost/test"); //調(diào)用connect連接數(shù)據(jù)庫 
if (DB::isError($conn)) //如果連接出錯(cuò)則報(bào)錯(cuò) 
{ 
print "數(shù)據(jù)庫連接失敗"; 
} 
$rs = $conn->query("select id,username, password from tablename1"); //執(zhí)行SQL語句 
if (DB::isError($rs)) //判斷是否執(zhí)行成功 
{ 
print "數(shù)據(jù)查詢失敗"; 
} 
while ($rs->fetchInto($rows)) //循環(huán)輸出查詢結(jié)果 
{ 
print "編號(hào)號(hào)：$rows[0]<BR>"; 
print "姓名：$rows[1]<BR>"; 
print "密碼：$rows[2]<BR>"; 
print "<HR>"; 
} 
?>

復(fù)制代碼代碼如下:

<?php 
require_once "DB.php"; 
$conn = DB::connect("mysql://root:1981427@localhost/test"); //調(diào)用connect連接數(shù)據(jù)庫 
if (DB::isError($conn)) //如果連接出錯(cuò)則報(bào)錯(cuò) 
{ 
print "數(shù)據(jù)庫連接失敗"; 
} 
//執(zhí)行SQL語句，從第0條開始返回1條記錄 
$rs = $conn->limitQuery("select id,username, password from tablename1",2,5); //查詢出記錄集中第三個(gè)到第六個(gè)數(shù)據(jù) 
if (DB::isError($rs)) //如果查詢出錯(cuò)則報(bào)錯(cuò) 
{ 
print "數(shù)據(jù)查詢失敗"; 
} 
while ($rs->fetchInto($rows)) //循環(huán)輸出查詢結(jié)果 
{ 
print "編號(hào)：$rows[0]<BR>"; 
print "姓名：$rows[1]<BR>"; 
print "密碼：$rows[2]<BR>"; 
print "<HR>"; 
} 
?>

復(fù)制代碼代碼如下:

<?php 
require_once "DB.php"; 
$conn = DB::connect("mysql://root:1981427@localhost/test"); //連接數(shù)據(jù)庫 
if (DB::isError($conn)) 
{ 
print "數(shù)據(jù)庫連接失敗"; 
} 
//使用prepare函數(shù)準(zhǔn)備SQL語句 
$rs = $conn->prepare("update tablename1 set password = 'Susan' where id = '1'"); 
if (DB::isError($rs)) 
{ 
print "數(shù)據(jù)更新失敗"; 
} 
else 
{ 
$conn->execute($rs); //執(zhí)行SQL語句更新數(shù)據(jù)庫 
print "數(shù)據(jù)更新成功"; 
} 
?> 