html5+js压缩图片上传
最近在折腾移动站的开发,涉及到了一个手机里面上传图片。于是经过N久的折腾,找到一个插件,用法如下:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
<!DOCTYPE HTML> < html lang = "zh-CN" > < meta name = "viewport" content = "initial-scale=1.0, maximum-scale=1.0,user-scalable=no" /> < head > < meta charset = "UTF-8" > < title >LocalResizeIMG</ title > </ head > < style > body { margin: 20px 20%; color:#777; text-align: center; } </ style > < body > < h1 class = "text-center" >LocalResizeIMG-本地压缩 1.0</ h1 > < hr /> < input type = "file" /> < hr /> <!-- javascript ================================================== --> < script src = "/api/localResizeIMG-gh-pages/patch/jquery-2.1.1.min.js" type = "text/javascript" ></ script > < script src = "/api/localResizeIMG-gh-pages/LocalResizeIMG.js" type = "text/javascript" ></ script > <!-- mobileBUGFix.js 兼容修复移动设备 --> < script src = "/api/localResizeIMG-gh-pages/patch/mobileBUGFix.mini.js" type = "text/javascript" ></ script > < script type = "text/javascript" > $('input:file').localResizeIMG({ width: 500, quality: 0.8, success: function (result) { var img = new Image(); img.src = result.base64; $('body').append(img); //console.log(result); $.ajax({ url: './uploads.php', type: 'POST', data:{formFile:result.clearBase64}, dataType: 'HTML', timeout: 1000, error: function(){ alert('Error loading PHP document'); }, success: function(result){ //console.log(result); alert("Uploads success~") } }); } }); </ script > </ body > </ html > |
PHP代码:
1
2
3
4
5
6
|
<?php $base64 = $_POST [ 'formFile' ]; $IMG = base64_decode ( $base64 ); $path = './' ; file_put_contents ( $path .time(). '.jpg' , $IMG ); ?> |
在前端把图片压缩,然后转换成为Base64的编码,再把Base64的编码使用AJAX来POST到服务器,然后在PHP解开Base64,写入到一个文件去。
原插件地址:http://github.com/think2011/LocalResizeIMG
然后发现我朋友也写有一篇这个插件的使用的文章,地址在这里:http://a3147972.blog.51cto.com/2366547/1551066
破罐子互摔