前言
最近继续在研究JSBox，并且发现微信似乎不屏蔽七牛云的链接了，所以将之前图片评论的js移植到了七牛云。七牛云上传是要上传凭证的，怎么计算Token花费不少时间，之前做的方案代码过多，运行效率不高，参考了RYAN大的QiniuManager后成功移植。
安装链接
详细代码
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| const CryptoJS = require("crypto-js")
String.prototype.urlsafe = function() {
return this.replace(/\+/g, "-").replace(/\//g, "_")
}
var AK = ""
var SK = ""
var bucket = ""
var domain = ""
var deadline = Math.round(new Date().getTime() / 1000) + 1 * 3600
var params = {scope: bucket,deadline: deadline}
var policy = JSON.stringify(params)
var policyEncoded = $text.base64Encode(policy).urlsafe()
var sign = CryptoJS.HmacSHA1(policyEncoded, SK)
var signEncoded = sign.toString(CryptoJS.enc.Base64).urlsafe()
var token = AK + ":" + signEncoded + ":" + policyEncoded
function PickImage() {
$photo.pick({
format: "image",
handler: function(resp) {
var image = resp.image
if (image) {
Upload(image)
} else {
$ui.loading(false)
}
}
})
}
function Upload(image) {
$http.upload({
url: "http://upload.qiniu.com/",
form: {
token: token
},
files: [{
"image": image,
"name": "file",
"filename": "file"
}],
progress: function(percentage) {
},
handler: function(resp) {
var url = domain + resp.data.key
if (url) {
Shorturl(url)
} else {
$ui.alert("图片上传失败")
}
}
})
}
function Shorturl(url) {
$http.shorten({
url: url,
handler: function(url) {
if (url) {
$clipboard.text = "图片评论 " + url
$ui.toast("复制成功", 2)
$app.close(2)
}
}
})
}
var inputImage = $context.image
if (inputImage) {
Upload(inputImage)
}else{
PickImage()
}
|
