PHP实现的注册，登录及查询用户资料功能API接口

 0) { exit(json_encode(1)); //返回1表示注册失败 } else { $addsql = "insert into `member` (username,password,email) values ('$username','$password','$email')"; 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['username']); $sql = "select id,username,nickname,mobile from `member` where username='$username'"; $query = mysql_query($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['username']); $password2 = lib_replace_end_tag(trim($_GET['userpassword'])); $password = md5("$password2" . ALL_PS); $sqluser = "select id,username,password from `member` where username='" . $username . "' and password='" . $password . "'"; $queryuser = mysql_query($sqluser); $rowuser = mysql_fetch_array($queryuser); if ($rowuser && is_array($rowuser) && !empty($rowuser)) { if ($rowuser['username'] == $username && $rowuser['password'] == $password) { if ($rowuser['password'] == $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)); } ?>