修改如下:不用使用session傳遞
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1.php 文件中: 修改后的代碼,將$row["id"]作為id的參數(shù)值傳遞到2.php
else{
echo 'td'.'a href="2.php?id='.$row["id"].'"'.$row["id"].可以修改.'/a/td';
}
2.php修改如下:
$strSql="SELECT * from test where id=".$_GET['id'];
?php
mysql_connect('127.0.0.1','root','123456');
$sql="update?sjk._sjk?set?b='1',c='1'?where?a='123'";
if?(mysql_query($sql))?echo?'修改成功。';
else?echo?"修改失敗,SQL:$sqlbr錯(cuò)誤:".mysql_error();
mysql_close();
?
用數(shù)據(jù)庫函數(shù)直接實(shí)現(xiàn):
1.將所有product_name修改為首字母大寫,其余全小寫
update
product_details
set
product_name=concat(upper(left(product_name,1)),lower(mid(login_name,2,length(product_name)-1)))
;
2.將所有product_name修改為首字母大寫,其余保持不變
update
product_details
set
product_name=concat(upper(left(product_name,1)),mid(login_name,2,length(product_name)-1))
;
?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(cè)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
需要修改下面三項(xiàng)改成新數(shù)據(jù)庫的資料
/** WordPress數(shù)據(jù)庫的名稱 */
define('DB_NAME', 'aaaaaa');
/** MySQL數(shù)據(jù)庫用戶名 */
define('DB_USER', 'bbbbbb');
/** MySQL數(shù)據(jù)庫密碼 */
define('DB_PASSWORD', '123123');
$sql="update wp_prli_links set url='?' where id = $id ";這樣不行就換種方式嘛,$url="?";
$sql="update wp_prli_links set url='".$url."' where id = $id ";
文章標(biāo)題:php修改數(shù)據(jù)庫信息代碼 PHP修改數(shù)據(jù)
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