PHP method to implement API interface for registration, login and user information query

This article mainly introduces the API interface of PHP to implement registration, login and query user information functions. It analyzes the implementation skills of PHP server-side user registration, login, query and curl login query functions based on specific examples. Friends who need it can refer to it. The details below are as follows:

Server##

<?php
require &#39;conn.php&#39;;
header(&#39;Content-Type:text/html;charset=utf-8&#39;);
$action = $_GET[&#39;action&#39;];
switch ($action) {
  //注册会员
  case"adduserinfo";
    $username = lib_replace_end_tag(trim($_GET[&#39;username&#39;]));
    $password2 = lib_replace_end_tag(trim($_GET[&#39;userpassword&#39;]));
    $password = md5("$password2" . ALL_PS);
    $email = lib_replace_end_tag(trim($_GET[&#39;email&#39;]));
    if ($username == &#39;&#39; || $password2 == &#39;&#39; || $password == &#39;&#39;) {
      $res = urlencode("参数有误");
      exit(json_encode($res)); //有空信息
    }
    $sql = "select username from `member` where username=&#39;$username&#39;";
    $query = mysql_query($sql, $conn);
    $count = mysql_num_rows($query);
    if ($count > 0) {
      exit(json_encode(1)); //返回1表示注册失败
    } else {
      $addsql = "insert into `member` (username,password,email) values (&#39;$username&#39;,&#39;$password&#39;,&#39;$email&#39;)";
      mysql_query($addsql);
      exit(json_encode(0)); //返回0表示注册成功
    }
    break;
  //查询用户信息
  case"selectuserinfo";
    $username = lib_replace_end_tag($_GET[&#39;username&#39;]);
    $sql = "select id,username,nickname,mobile from `member` where username=&#39;$username&#39;";
    $query = mysql_query($sql, $conn);
    $row = mysql_fetch_array($query);
    foreach ($row as $key => $v) {
      $res[$key] = urlencode($v);
    }
    exit(json_encode($res));
    break;
  //会员登录
  case"userlogin";
    $username = lib_replace_end_tag($_GET[&#39;username&#39;]);
    $password2 = lib_replace_end_tag(trim($_GET[&#39;userpassword&#39;]));
    $password = md5("$password2" . ALL_PS);
    $sqluser = "select id,username,password from `member` where username=&#39;" . $username . "&#39; and password=&#39;" . $password . "&#39;";
    $queryuser = mysql_query($sqluser);
    $rowuser = mysql_fetch_array($queryuser);
    if ($rowuser && is_array($rowuser) && !empty($rowuser)) {
      if ($rowuser[&#39;username&#39;] == $username && $rowuser[&#39;password&#39;] == $password) {
        if ($rowuser[&#39;password&#39;] == $password) {
          $res = urlencode("登录成功");
          exit(json_encode($res));
        } else {
          $res = urlencode("密码错误");
          exit(json_encode($res));
        }
      } else {
        $res = urlencode("用户名不存在");
        exit(json_encode($res));
      }
    } else {
      $res = urlencode("用户名密码错误");
      exit(json_encode($res));
    }
    /*
     * 0：表示登录成功，1：表示密码错误，2：用户名不存在，3：用户名密码错误
     */
    break;
  default:
    exit(json_encode(error));
}
?>

Client example:

##

<?php
header(&#39;Content-Type:text/html;charset=utf-8&#39;); //避免输出乱码
function httpPost($url, $parms) {
  $url = $url . $parms;
  if (($ch = curl_init($url)) == false) {
    throw new Exception(sprintf("curl_init error for url %s.", $url));
  }
  curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
  curl_setopt($ch, CURLOPT_HEADER, 0);
  curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 600);
  curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
  if (is_array($parms)) {
    curl_setopt($ch, CURLOPT_HTTPHEADER, array(&#39;Content-Type: multipart/form-data;&#39;));
  }
  $postResult = @curl_exec($ch);
  $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
  if ($postResult === false || $http_code != 200 || curl_errno($ch)) {
    $error = curl_error($ch);
    curl_close($ch);
    throw new Exception("HTTP POST FAILED:$error");
  } else {
    // $postResult=str_replace("\xEF\xBB\xBF", &#39;&#39;, $postResult);
    switch (curl_getinfo($ch, CURLINFO_CONTENT_TYPE)) {
      case &#39;application/json&#39;:
        $postResult = json_decode($postResult);
        break;
    }
    curl_close($ch);
    return $postResult;
  }
}
$postUrl = "http://pujia.test.com/api/server.php";
$p=$_GET[&#39;p&#39;];
if ($p =="selectuserinfo") {
  $username = $_GET[&#39;username&#39;];
  $parms = "?action=selectuserinfo&username=" . $username . "";
} elseif ($p =="adduserinfo") {
  $username = $_GET[&#39;username&#39;];
  $userpassword = $_GET[&#39;userpassword&#39;];
  $parms = "?action=adduserinfo&username=" . $username . "&userpassword=" . $userpassword . "";
} elseif ($p =="userlogin") {
  $username = $_GET[&#39;username&#39;];
  $userpassword = $_GET[&#39;userpassword&#39;];
  $parms = "?action=userlogin&username=" . $username . "&userpassword=" . $userpassword . "";
}
$res = httpPost($postUrl, $parms); //$parms
$res = json_decode($res);
print_r(urldecode(json_encode($res)));
?>

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