mint/app/ucenter/get.php

<?php
require_once '../path.php';

//打开数据库
$dns = "" . _FILE_DB_USERINFO_;
$dbh = new PDO($dns, "", "", array(PDO::ATTR_PERSISTENT => true));
$dbh->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_WARNING);
if (isset($_GET["id"])) {
    $query = "select userid as id ,username,nickname from user where userid = ? ";
    $stmt = $dbh->prepare($query);
    $stmt->execute(array($_GET["id"]));
    $fUser = $stmt->fetchAll(PDO::FETCH_ASSOC);
} else if (isset($_GET["username"])) {
    $query = "select userid as id ,username,nickname,email from user where  nickname like ? limit 0,8";
    $stmt = $dbh->prepare($query);
    $username = "%" . $_GET["username"] . "%";
    $stmt->execute(array($username));
    $fUser = $stmt->fetchAll(PDO::FETCH_ASSOC);
} else {
    $fUser = array();
}

echo json_encode($fUser, JSON_UNESCAPED_UNICODE);
$dbh = null;