function check_username_password($username, $password, &$ret_token)
{
$ret = null;
$mysqli = mysqli_new();
$sql = "select * from manager where name='root' and password='******'";
$sql = "select * from users where username='******'and password='******'";
$result = mysqli_obj_query($mysqli, $sql);
if (is_null($result) || 1 != $result->num_rows) {
$ret = "username or password was not right";
} else {
require_once "./session.php";
update_session($username);
while ($row = mysqli_fetch_assoc($result)) {
//echo json_encode($row);
$token = md5(uniqid(rand()));
$ret_token = $token;
$sql = "INSERT INTO `loginStatus`(`username`, `token`) VALUES ('{$username}', '{$token}')";
$result = mysqli_obj_query($mysqli, $sql);
$ret = "ok";
break;
}
}
/* free result set */
//$result->free();
$mysqli->close();
return $ret;
}
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<?php
require_once "../db/conn.php";
if (isset($_POST["submit"]) && $_POST["submit"] == "Signup") {
$username = $_POST["username"];
$password = $_POST["password"];
$email = $_POST["email"];
if ($username == "" || $password == "" || $email == "") {
echo "<script>alert('请确认信息完整性！'); history.go(-1);</script>";
} else {
#mysql_query("set names 'gdk'");
$sql = "select * from users where username='******'";
$result = mysqli_obj_query(mysqli_new(), $sql);
$num = $result->num_rows;
if ($num) {
echo "<script>alert('用户名已存在'); history.go(-1);</script>";
} else {
$sql = "INSERT INTO users(username, password, email) VALUES ('{$username}', '{$password}', '{$email}')";
$result = mysqli_obj_query(mysqli_new(), $sql);
if ($result) {
echo "<script>alert('注册成功！'); history.go(-1);</script>";
} else {
echo "<script>alert(''注册失败！'); history.go(-1);</script>";
}
}
}
} else {
echo "<script>alert('提交未成功！'); history.go(-1);</script>";
}
<?php
require_once "../db/conn.php";
$mysqli = mysqli_new();
$sql = "SELECT * FROM `uploadStatus` WHERE time = (SELECT max( time ) FROM `uploadStatus` )";
$result = mysqli_obj_query($mysqli, $sql);
if (is_null($result) || 1 != $result->num_rows) {
$ret = "query failed";
} else {
while ($row = mysqli_fetch_assoc($result)) {
echo json_encode($row);
}
}
echo $ret;
