php连接mysql的操作

Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--><?php

     //1.mysql_pconnect()...连接数据库

    $conn= mysql_connect("localhost", "root", "120455637") or die("Could not connect: " . mysql_error());

    //解决乱码问题：

    @mysql_query("SET character_set_connection=utf8, character_set_results=utf8, character_set_client=binary",$conn);

 

    //2.mysql_select_db()...选择数据表

    mysql_select_db('wjbtest',$conn);

    $sql="select * from users";

    //3.mysql_query()...执行sql语言

    $query=mysql_query($sql);

    while($myrow=mysql_fetch_array($query))

    {

        echo $myrow['id'],'+',$myrow['dateline'],'<br/>';

    }

    //4.mysql_close()...关闭连接

    mysql_close($conn);
?>

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$Host = "localhost";

$Database = "smsdb";

$DbaUser     = "root";

$DbaPassword = "";

////数据库的连接

$db = mysql_pconnect($Host, $DbaUser,$DbaPassword);

if(!$db)

{

echo "Error: Could not connect to database.Please try again.";

        exit;

}

//选择数据库

mysql_select_db($Database,$db);

///数据库的断开

mysql_close($db);

///数据库的操作

//查询

$query = "SELECT * FROM user WHERE ";

//插入

$query = "INSERT INTO employees VALUES (2,'John','Roberts','45 There St , Townville','Telephonist');"

//删除

$query = "DELETE FROM employees WHERE age IS NULL";

//修改

$query = "UPDATE employees SET FROM WHERE"; 

Townville','Telephonist');"

//结果

$result = mysql_query($query);

if(!$result)

{

echo "Error!";

exit ;

}

$num_reslutlt = mysql_num_rows($result);

//获取当前系统时间

$AddTime = date("YmdHms");

///////////////////////////1. enroll.php 用户注册

$Host = "localhost";

$Database = "smsdb";

$DbaUser     = "root";

$DbaPassword = "";

//验证用户填写数据的合理性

trim($UserMb);

trim($UserPwd);

trim($PwdConfirm);

if(!$UserMb || !$UserPwd || !$PwdConfirm)

{

echo "Your have not enter your detail message";

        exit;

}

if($UserPwd != $PwdConfirm)

{

echo "Confirm Password not correct to passworld" ;

        exit;

}

////数据库的连接

$db = mysql_pconnect($Host, $DbaUser,$DbaPassword);

if(!$db)

{

echo "Error: Could not connect to database.Please try again.";

        exit;

}

//选择数据库

mysql_select_db($Database,$db);

//获取当前系统时间

$AddTime = date("YmdHms");

//插入

$query = "INSERT INTO user VALUES ('','".$UserMb."','".$UserPwd."','".$AddTime."');"

//结果

$result = mysql_query($query);

if($result)

{

        ///以下为成功后的相关操作

echo "Enroll Success!";

}

else

{

echo "Error!";

exit ;

}

///数据库的断开

mysql_close($db);

////////////////////////////////////////////用户验证代码示例

//判断用户名是否设置

if(!isset($PHP_AUTH_USER))

{

header("WWW-Authenticate:Basic realm="身份验证功能"");

header("HTTP/1.0 401 Unauthorized");

echo "身份验证失败，您无权共享网络资源!";

exit();

}

/*连接数据库*/

$db=mysql_connect("localhost","root","");

//选择数据库

mysql_select_db("XinXiKu",$db);

//查询用户是否存在

$result=mysql_query("SELECT * FROM user WHERE name='$PHP_AUTH_USER' AND password='$PHP_AUTH_PW'",$db);

if ($myrow = mysql_fetch_row($result))

{ 

//以下为身份验证成功后的相关操作

} 

else

{

//身份验证不成功，提示用户重新输入

header("WWW-Authenticate:Basic realm="身份验证功能""); 

header("HTTP/1.0 401 Unauthorized");

echo "身份验证失败，您无权共享网络资源!"; 

exit(); 

}

///////////////////////2 login.php 用户登陆

$Host = "localhost";

$Database = "smsdb";

$DbaUser     = "root";

$DbaPassword = "";

//验证用户填写数据的合理性

trim($UserMb);

trim($UserPwd);

if(!$UserMb || !$UserPwd )

{

echo "Your have not enter your detail message";

        exit;

}

////数据库的连接

$db = mysql_pconnect($Host, $DbaUser,$DbaPassword);

if(!$db)

{

echo "Error: Could not connect to database.Please try again.";

        exit;

}

//选择数据库

mysql_select_db($Database,$db);

//查询用户是否存在

$query = "SELECT * FROM user WHERE name='$UserMb' AND password='$UserPwd'";

$result=mysql_query($query);

if ($myrow = mysql_fetch_row($result))

{ 

//以下为身份验证成功后的相关操作

} 

else

{

//身份验证不成功，提示用户重新输入

header("WWW-Authenticate:Basic realm="身份验证功能""); 

header("HTTP/1.0 401 Unauthorized");

echo "身份验证失败，您无权共享网络资源!"; 

exit(); 

}

///数据库的断开

mysql_close($db);

////////////////// 3. 管理员登录

$Host = "localhost";

$Database = "smsdb";

$DbaUser     = "root";

$DbaPassword = "";

//验证用户填写数据的合理性

trim($SysUser);

trim($SysUserPwd);

if(!$SysUser || !$SysUserPwd )

{

echo "Your have not enter your detail message";

        exit;

}

////数据库的连接

$db = mysql_pconnect($Host, $DbaUser,$DbaPassword);

if(!$db)

{

echo "Error: Could not connect to database.Please try again.";

        exit;

}

//选择数据库

mysql_select_db($Database,$db);

//查询用户是否存在

$query = "SELECT * FROM sysuser WHERE SysUser='$SysUser' AND SysUserPwd='$SysUserPwd'";

$result=mysql_query($query);

if ($myrow = mysql_fetch_row($result))

{ 

//以下为身份验证成功后的相关操作

} 

else

{

//身份验证不成功，提示用户重新输入

header("WWW-Authenticate:Basic realm="身份验证功能""); 

header("HTTP/1.0 401 Unauthorized");

echo "身份验证失败，您无权共享网络资源!"; 

exit(); 

}

///数据库的断开

mysql_close($db);

/////////////////////// 4. 文字短信管理

/**********显示短信********************/

$Host = "localhost";

$Database = "smsdb";

$DbaUser     = "root";

$DbaPassword = "";

////数据库的连接

$db = mysql_pconnect($Host, $DbaUser,$DbaPassword);

if(!$db)

{

echo "Error: Could not connect to database.Please try again.";

        exit;

}

//选择数据库

mysql_select_db($Database,$db);

//查询文字短信

$query = "SELECT * FROM sms WHERE SmsType='$SmsType';

$result=mysql_query($query);

if ($myrow = mysql_fetch_row($result))

{ 

//以下为提取成功后的相关操作

} 

else

{

echo "无记录!"; 

exit(); 

}

///数据库的断开

mysql_close($db);

/*************添加短信*****************************/

$Host = "localhost";

$Database = "smsdb";

$DbaUser     = "root";

$DbaPassword = "";

////数据库的连接

$db = mysql_pconnect($Host, $DbaUser,$DbaPassword);

if(!$db)

{

echo "Error: Could not connect to database.Please try again.";

        exit;

}

//选择数据库

mysql_select_db($Database,$db);

//获取当前系统时间

$AddTime = date("YmdHms");

//添加

$query = "INSERT INTO sms VALUES ('',$SmsType,$SmsContent,$AddTime)";

$result=mysql_query($query);

if ($myrow = mysql_fetch_row($result))

{ 

//以下为添加成功后的相关操作

} 

else

{

echo "Add fail!"; 

exit(); 

}

///数据库的断开

mysql_close($db);

/*************删除*********************************/

$Host = "localhost";

$Database = "smsdb";

$DbaUser     = "root";

$DbaPassword = "";

////数据库的连接

$db = mysql_pconnect($Host, $DbaUser,$DbaPassword);

if(!$db)

{

echo "Error: Could not connect to database.Please try again.";

        exit;

}

//选择数据库

mysql_select_db($Database,$db);

//删除

$query = "DELETE FROM sms WHERE SmsId = $SmsId";

$result=mysql_query($query);

if ($myrow = mysql_fetch_row($result))

{ 

//以下为删除成功后的相关操作

} 

else

{

echo "Delete fail!"; 

exit(); 

}

///数据库的断开

mysql_close($db);

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