jy.rar_php注册_php登录注册_注册管理php_用户管理

<?php //用户注册以后的数据处理文件。需要先检查数据合法性，然后写入数据库 //获取注册用户提交的数据 $UserName1=$_POST["UserName"];//用户名 $Password1=$_POST["Password"];//密码 $ConfirmPassword1=$_POST["ConfirmPassword"];//确认密码 //$Email1=$_POST["Email"];//邮箱 $oldpassword1=$_POST["oldpassword"];//真实姓名 //定义保存激活码变量 $actnum=""; //定义产生激活码函数 function Check_actnum() { $chars_for_actnum=array("A","B","C","D","E","F","G","H","I","J","K","L", "M","N","O","P","Q","R","S","T","U","V","W","X","Y","Z","a","b","c","d", "e","f","g","h","i","j","k","l","m","n","o","p","q","r","s","t","u","v", "w","x","y","z","1","2","3","4","5","6","7","8","9","0" ); for ($i=1;$i<=20;$i++)//生成一个20 个字符的激活码 { $actnum.=$chars_for_actnum[mt_rand(0,count($chars_for_actnum)-1)]; } return $actnum; } //判断用户名函数 function Check_username($UserName)//参数为用户注册的用户名 { //用户名三个方面检查 //是否为空字符串检测长度检测 $Max_Strlen_UserName=16;//用户名最大长度 $Min_Strlen_UserName=3;//用户名最短长度 $UserNameChars="^[A-Za-z0-9_-]";//字符串检测的正则表达式 $UserNameGood="用户名检测正确";//定义返回的字符串变量 if($UserName=="") { $UserNameGood="用户名不能为空"; return $UserNameGood; } if(!ereg("$UserNameChars",$UserName))//正则表达式匹配检查 { $UserNameGood="用户名字符串检测不正确"; return $UserNameGood; } if (strlen($UserName)<$Min_Strlen_UserName || strlen($UserName)>$Max_Strlen_UserName) { $UserNameGood="用户名字长度检测不正确"; return $UserNameGood; } return $UserNameGood; } //判断密码是否合法函数 function Check_Password($Password) { //是否为空字符串检测长度检测 $Max_Strlen_Password=16;//密码最大长度 $Min_Strlen_Password=6;//密码最短长度 $PasswordChars="^[A-Za-z0-9_-]";//密码字符串检测正则表达式 $PasswordGood="密码检测正确";//定义返回的字符串变量 if($Password=="") { $PasswordGood="密码不能为空"; return $PasswordGood; } if(!ereg("$PasswordChars",$Password)) { $PasswordGood="密码字符串检测不正确"; return $PasswordGood; } if(strlen($Password)<$Min_Strlen_Password || strlen($Password)>$Max_Strlen_Password) { $PasswordGood="密码长度检测不正确"; return $PasswordGood; } return $PasswordGood; } //判断两次密码输入是否一致 function Check_ConfirmPassword($Password,$ConfirmPassword) { $ConfirmPasswordGood="两次密码输入一致"; if($Password<>$ConfirmPassword) { $ConfirmPasswordGood="两次密码输入不一致"; return $ConfirmPasswordGood; } else return $ConfirmPasswordGood; } //调用函数，检测用户输入的数据 $UserNameGood=Check_username($UserName1); $PasswordGood=Check_Password($Password1); $ConfirmPasswordGood=Check_ConfirmPassword($Password1,$ConfirmPassword1); $error=false;//定义变量判断注册数据是否出现错误 if($UserNameGood !="用户名检测正确") { $error=true;//改变error 的值表示出现了错误 echo $UserNameGood;//输出错误信息 echo "<br>"; } if($PasswordGood !="密码检测正确") { $$error=true; echo $PasswordGood; echo "<br>"; } if ($ConfirmPasswordGood !="两次密码输入一致") { $error=true; echo $ConfirmPasswordGood; echo "<br>"; } //判断数据库中用户名是否已经存在,判断旧密码是否正确 //建立数据库连接 require('../userdbconnect.php'); $query="select * from als_signup where UserName='$UserName1'"; $result=mysqli_query($db1,$query); $row=mysqli_fetch_array($result); if ($row['Password']!=$oldpassword1) { $error=true; echo "旧密码错误<br>"; } //如果数据检测都合法，则将用户资料写进数据库表 //建立数据库连接 require('../userdbconnect.php'); if ($error==false) //$error==false 表示没有错误 { //$actnum=Check_actnum();//调用激活码函数 $Datetime=date("d-m-y G:i");//获取注册时间，也就是数据写入到用户表的时间 $query='update als_signup set Password="'.$Password1.'" where UserName="'.$UserName1.'"'; $result=mysqli_query($db1,$query); //关闭数据库连接 require('opdbclose.php'); header("refresh:5;url=index.php"); echo "修改成功，请重新登录<br>5 秒后自动返回"; } else { header("refresh:5;url=signup.php"); echo "5秒后返回重新填写"; } ?>