你可以嵌套遍歷 在第二層遍歷的時(shí)候做一下數(shù)組的建名 當(dāng)?shù)扔谀愕哪繕?biāo)數(shù)組建名再做下一層的遍歷 為了代碼的高效 你也可以對該建名的數(shù)組判斷是否為空 如果為空就跳到下一次循環(huán)
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class sqlHelper{ \x0d\x0a public $conn; \x0d\x0a public $dbname="數(shù)據(jù)庫名稱"; \x0d\x0a public $username="數(shù)據(jù)庫用戶名"; \x0d\x0a public $password="數(shù)據(jù)庫密碼"; \x0d\x0a public $host="localhost"; \x0d\x0a //連接數(shù)據(jù)庫 \x0d\x0a public function __construct(){ \x0d\x0a $this-conn=mysql_connect($this-host,$this-username,$this-password); \x0d\x0a if(!$this-conn){ \x0d\x0a die("連接失敗".mysql_error()); \x0d\x0a } \x0d\x0a mysql_select_db($this-dbname,$this-conn); \x0d\x0a } \x0d\x0a //執(zhí)行查詢語句 \x0d\x0a public function execute_dql($sql){ \x0d\x0a $res=mysql_query($sql,$this-conn); \x0d\x0a return $res; \x0d\x0a } \x0d\x0a //執(zhí)行增填改語句 \x0d\x0a public function execute_dml($sql){ \x0d\x0a $b=mysql_query($sql,$this-conn); \x0d\x0a if(!$b){ \x0d\x0a return 3; \x0d\x0a }else{ \x0d\x0a if(mysql_affected_rows($this-conn)){ \x0d\x0a return 1;//表示OK \x0d\x0a }else{ \x0d\x0a return 2;//表示沒有行收到影響 \x0d\x0a } \x0d\x0a } \x0d\x0a }\x0d\x0a}
?php
$con = mysql_connect("localhost:3306","root","");
if (!$con) {
die('Could not connect: ' . mysql_error());
}
mysql_select_db("test", $con);
$result = mysql_query("SELECT * FROM user");
echo "table border='1'
tr
thUsername/th
thPassword/th
/tr";
while($row = mysql_fetch_array($result)) {
echo "tr";
echo "td" . $row['username'] . "/td";
echo "td" . $row['password'] . "/td";
echo "/tr";
}
echo "/table";
mysql_close($con);
?
從服務(wù)器中獲取用戶所有信息(SQL SELECT語句)并以表格形式出現(xiàn)
?php
$con = mysql_connect("localhost","root","");
if (!$con) {
die('Could not connect: ' . mysql_error());
}
mysql_select_db("test", $con);
mysql_query("DELETE FROM user WHERE username = '$_POST[username]'");
mysql_close($con);
?
刪除該用戶所有信息delete.php
?php
$con = mysql_connect("localhost:3306","root","");
if (!$con) {
die('Could not connect: ' . mysql_error());
}
mysql_select_db("test", $con);
$sql = "INSERT INTO user (username,password)
VALUES
('$_POST[username]','$_POST[password]')";
if (!mysql_query($sql,$con)) {
die('Error: ' . mysql_error());
}
echo "1 record added";
mysql_close($con);
?
注冊一個(gè)新用戶insert.php
?php
$con = mysql_connect("localhost","root","");
if (!$con) {
die('Could not connect: ' . mysql_error());
}
mysql_select_db("test", $con);
mysql_query("UPDATE user SET password = '$_POST[password]' WHERE username = '$_POST[username]'");
mysql_close($con);
?
修改一個(gè)用戶密碼update.php
html
head
titleFORM/title
/head
body
br /
h1Insert:/h1
form action="insert.php" method="post"
username:input type="name" name="username"/
br /
password:input type="password" name="password"/
input type="submit" value="submit"/
/form
br /hr /br /
h1Delete/h1
form action="delete.php" method="post"
username:input type="name" name="username" /
br /
Are you sure?input type="submit" value="sure" /
/form
br /hr /br /
h1Update/h1
form action="update.php" method="post"
username:input type="name" name="username"/
br /
You want to change your password into:input type="password" name="password"/
input type="submit" value="submit"/
/form
br /hr /br /
/body
/html
以上三個(gè)功能的提交源Operate.html
分享名稱:php數(shù)據(jù)的增刪改查 php數(shù)據(jù)庫增加數(shù)據(jù)
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