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5.1 KiB
JavaScript

// created by gpake
(function () {
var config = {
qiniuRegion: '',
qiniuImageURLPrefix: '',
qiniuUploadToken: '',
qiniuUploadTokenURL: '',
qiniuUploadTokenFunction: null,
qiniuShouldUseQiniuFileName: false
}
module.exports = {
init: init,
upload: upload,
}
// 在整个程序生命周期中,只需要 init 一次即可
// 如果需要变更参数,再调用 init 即可
function init(options) {
config = {
qiniuRegion: '',
qiniuImageURLPrefix: '',
qiniuUploadToken: '',
qiniuUploadTokenURL: '',
qiniuUploadTokenFunction: null,
qiniuShouldUseQiniuFileName: false
};
updateConfigWithOptions(options);
}
function updateConfigWithOptions(options) {
if (options.region) {
config.qiniuRegion = options.region;
} else {
console.error('qiniu uploader need your bucket region');
}
if (options.uptoken) {
config.qiniuUploadToken = options.uptoken;
} else if (options.uptokenURL) {
config.qiniuUploadTokenURL = options.uptokenURL;
} else if (options.uptokenFunc) {
config.qiniuUploadTokenFunction = options.uptokenFunc;
}
if (options.domain) {
config.qiniuImageURLPrefix = options.domain;
}
config.qiniuShouldUseQiniuFileName = options.shouldUseQiniuFileName
}
function upload(filePath, success, fail, options, progress, cancelTask) {
if (null == filePath) {
console.error('qiniu uploader need filePath to upload');
return;
}
if (options) {
updateConfigWithOptions(options);
}
if (config.qiniuUploadToken) {
doUpload(filePath, success, fail, options, progress, cancelTask);
} else if (config.qiniuUploadTokenURL) {
getQiniuToken(function () {
doUpload(filePath, success, fail, options, progress, cancelTask);
});
} else if (config.qiniuUploadTokenFunction) {
config.qiniuUploadToken = config.qiniuUploadTokenFunction();
if (null == config.qiniuUploadToken && config.qiniuUploadToken.length > 0) {
console.error('qiniu UploadTokenFunction result is null, please check the return value');
return
}
doUpload(filePath, success, fail, options, progress, cancelTask);
} else {
console.error('qiniu uploader need one of [uptoken, uptokenURL, uptokenFunc]');
return;
}
}
function doUpload(filePath, success, fail, options, progress, cancelTask) {
if (null == config.qiniuUploadToken && config.qiniuUploadToken.length > 0) {
console.error('qiniu UploadToken is null, please check the init config or networking');
return
}
var url = uploadURLFromRegionCode(config.qiniuRegion);
var fileName = filePath.split('//')[1];
if (options && options.key) {
fileName = options.key;
}
var formData = {
'token': config.qiniuUploadToken
};
if (!config.qiniuShouldUseQiniuFileName) {
formData['key'] = fileName
}
var uploadTask = wx.uploadFile({
url: url,
filePath: filePath,
name: 'file',
formData: formData,
success: function (res) {
var dataString = res.data
if (res.data.hasOwnProperty('type') && res.data.type === 'Buffer') {
dataString = String.fromCharCode.apply(null, res.data.data)
}
try {
var dataObject = JSON.parse(dataString);
//do something
var imageUrl = config.qiniuImageURLPrefix + '/' + dataObject.key;
dataObject.imageURL = imageUrl;
if (success) {
success(dataObject);
}
} catch (e) {
console.log('parse JSON failed, origin String is: ' + dataString)
if (fail) {
fail(e);
}
}
},
fail: function (error) {
console.error(error);
if (fail) {
fail(error);
}
}
})
uploadTask.onProgressUpdate((res) => {
progress && progress(res)
})
cancelTask && cancelTask(() => {
uploadTask.abort()
})
}
function getQiniuToken(callback) {
wx.request({
url: config.qiniuUploadTokenURL,
success: function (res) {
var token = res.data.uptoken;
if (token && token.length > 0) {
config.qiniuUploadToken = token;
if (callback) {
callback();
}
} else {
console.error('qiniuUploader cannot get your token, please check the uptokenURL or server')
}
},
fail: function (error) {
console.error('qiniu UploadToken is null, please check the init config or networking: ' + error);
}
})
}
function uploadURLFromRegionCode(code) {
var uploadURL = null;
switch (code) {
case 'ECN': uploadURL = 'https://up.qbox.me'; break;
case 'NCN': uploadURL = 'https://up-z1.qbox.me'; break;
case 'SCN': uploadURL = 'https://up-z2.qbox.me'; break;
case 'NA': uploadURL = 'https://up-na0.qbox.me'; break;
case 'ASG': uploadURL = 'https://up-as0.qbox.me'; break;
default: console.error('please make the region is with one of [ECN, SCN, NCN, NA, ASG]');
}
return uploadURL;
}
})();