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PHP实现微信风格的多图片预览与上传功能
资源介绍
<?php
$typeArr = array("jpg", "png", "gif","jpeg"); //允许上传文件格式
$path = "uploads/"; //上传路径
if (isset($_POST)) {
$name = $_FILES['file']['name'];
$size = $_FILES['file']['size'];
$name_tmp = $_FILES['file']['tmp_name'];
if (empty($name)) {
echo json_encode(array("error" => "您还未选择图片"));
exit;
}
$type = strtolower(substr(strrchr($name, '.'), 1)); //获取文件类型
if (!in_array($type, $typeArr)) {
echo json_encode(array("error" => "清上传jpg,png或gif类型的图片！"));
exit;
}
if ($size > (50000 * 1024)) { //上传大小
echo json_encode(array("error" => "图片大小已超过50000KB！"));
exit;
}
$pic_name = time() . rand(10000, 99999) . "." . $type; //图片名称
$pic_url = $path . $pic_name; //上传后图片路径+名称
if (move_uploaded_file($name_tmp, $pic_url)) { //临时文件转移到目标文件夹
echo json_encode(array("error" => "0", "pic" => $pic_url, "name" => $pic_name));
} else {
echo json_encode(array("error" => "上传有误，清检查服务器配置！"));
}
}
?>
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