1 <?php
2 // 1,通过超全局变量来获取files[上传的图片名称]
3 $file = $_FILES["files"]
4 // 2,在通过strrchr来获取图片的格式
5 $ext = strrchr($file[‘name‘],‘.‘);
6 // 3,通过uniqid函数随机获取文件名避免名称重复覆盖
7 $filename = uniqid().$exe;
8 // 4,可以把获取的图片的名称存在session里面,以免后面用到,这步可写可不写;
9 session_start();
10 $_SESSION[‘url‘] = $str;19:36:16
11 // 5,通过move_uploaded_file函数把上传获取的图片存在一个文件夹内
12 $bool = move_uploaded_file($file[‘tmp_name‘],‘../../static/uploads/‘.$filename);
13 // 6,把处理好的图片路径返回给前端
14 if ($bool) {
15 echo "../static/uploads/" . $fileName;
16 } else {
17 echo "上传失败";
18 };
19 ?>
20
21 <!DOCTYPE html>
22 <html lang="en">
23
24 <head>
25 <meta charset="UTF-8">
26 <meta name="viewport" content="width=device-width, initial-scale=1.0">
27 <meta http-equiv="X-UA-Compatible" content="ie=edge">
28 <title>Document</title>
29 <script src="../static/assets/vendors/jquery/jquery.min.js"></script>
30 <script>
31 $(function () {
32 $("#uploadImg").on("change", function () {
33 // console.log(this.files);
34 var file = this.files[0];
35 var data = new FormData();
36 data.append(‘file‘, file);
37 // console.log(data);
38 $.ajax({
39 type: "post",
40 url: "./api/_addPosts.php",
41 data: data,
42 dataType: "json",
43 success: function (res) {
44 console.log(res)
45 }
46 });
47 });
48 })
49 </script>
50 </head>
51
52 <body>
53 <input type="file" name="" id="uploadImg">
54 </body>
55
56 </html>
原文地址：https://www.cnblogs.com/zbx-boke/p/9383165.html
时间： 2024-08-01 19:57:53