13518219792
?php
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$con = mysql_connect("localhost:3306","root","");
if (!$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);
?
从服务器中获取用户所有信息（SQL SELECT语句）并以表格形式出现
?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);
?
删除该用户所有信息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);
?
注册一个新用户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);
?
修改一个用户密码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
以上三个功能的提交源Operate.html
class sqlHelper{ \x0d\x0a public $conn; \x0d\x0a public $dbname="数据库名称"; \x0d\x0a public $username="数据库用户名"; \x0d\x0a public $password="数据库密码"; \x0d\x0a public $host="localhost"; \x0d\x0a //连接数据库 \x0d\x0a public function __construct(){ \x0d\x0a $this-conn=mysql_connect($this-host,$this-username,$this-password); \x0d\x0a if(!$this-conn){ \x0d\x0a die("连接失败".mysql_error()); \x0d\x0a } \x0d\x0a mysql_select_db($this-dbname,$this-conn); \x0d\x0a } \x0d\x0a //执行查询语句 \x0d\x0a public function execute_dql($sql){ \x0d\x0a $res=mysql_query($sql,$this-conn); \x0d\x0a return $res; \x0d\x0a } \x0d\x0a //执行增填改语句 \x0d\x0a public function execute_dml($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;//表示没有行收到影响 \x0d\x0a } \x0d\x0a } \x0d\x0a }\x0d\x0a}
resourse
odbc_connect(
string
dsn,
string
user,
string
password
[,
int
cursor_type])
dsn：系统dsn名称
user：数据库服务器某用户名。
password：数据库服务器某用户密码。
php程序员站
cursor_type：游标类型。
这样连接上access的数据库
增删改查就是标准的sql语句了,楼主应该没什么问题了吧
php有专门的sql server操作函数，举个简单的例子，是查询的
$serverName = "localhost"; //数据库服务器地址
$uid = "root"; //数据库用户名
$pwd = "123456"; //数据库密码
$connectionInfo = array("UID"=$uid, "PWD"=$pwd, "Database"='databasename');
$conn = sqlsrv_connect( $serverName, $connectionInfo);
if( $conn == false){
echo "连接数据库失败！";
die( print_r( sqlsrv_errors(), true));
}
$sql = "select * from user";
$query = sqlsrv_query( $conn, $sql , array(), array( "Scrollable" = SQLSRV_CURSOR_KEYSET ));
$num_rows = sqlsrv_num_rows($query);
if($num_rows 0){
while ($row = sqlsrv_fetch_array($query)){
echo $row['aaaa'];
}
}
其它的操作也同理，举一反三
