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test.js
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test.js
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third
four
import SparkMD5 from '../../../js/utils/spark-md5';
import { getUploadPublicSignature } from '@mdt/apis/dist/upload'
import queryUrl from '../../../js/utils/queryUrl';
import deviceType from '../../../js/utils/deviceType';
import forEach from 'lodash/forEach'
import size from 'lodash/size';
import {model_api_url} from '../../../js/constants/ApiConfig'
/**
* native端返回true。web端返回false
*/
export const isCordovaDevice = function() {
return deviceType() !== deviceType.types.BROWSER;
}
/**
* blob转换file对象
* @param {*} theBlob
* @param {*} fileName
*/
function blobToFile(theBlob, fileName){
//A Blob() is almost a File() - it's just missing the two properties below which we will add
theBlob.lastModifiedDate = new Date();
theBlob.name = fileName;
return theBlob;
}
/**
* 本地读取
* @param {*} picUrl
*/
export const getFileFromPath = function(picUrl) {
console.log('picUrl:', picUrl)
picUrl = 'file://' + picUrl;
return new Promise((resolve) => {
window.resolveLocalFileSystemURL(picUrl, function(fileEntry) {
fileEntry.file(function (file) {
var reader = new FileReader();
reader.onloadend = function() {
// Create a blob based on the FileReader "result", which we asked to be retrieved as an ArrayBuffer
var blob = new Blob([new Uint8Array(this.result)], { type: file.type });
let fileNew = blobToFile(blob, file.name);
console.log("convert blob to file",JSON.stringify(fileNew))
resolve({file: fileNew});
};
// Read the file as an ArrayBuffer
reader.readAsArrayBuffer(file);
}, function (err) {
console.error('error getting fileentry file!' + JSON.stringify(err));
resolve({err});
});
}, function (err) {
console.error('error resolve file:' + JSON.stringify(err));
resolve({err});
})
})
}
/**
* 本地读取
* @param {*} picUrl
*/
export const getDataUrlFromPath = function(picUrl) {
console.log('picUrl:', picUrl)
picUrl = 'file://' + picUrl;
return new Promise((resolve) => {
window.resolveLocalFileSystemURL(picUrl, function(fileEntry) {
fileEntry.file(function (file) {
var reader = new FileReader();
reader.onloadend = function() {
resolve({dataUrl: this.result});
};
// Read the file as an ArrayBuffer
reader.readAsDataURL(file);
}, function (err) {
console.error('error getting fileentry file!' + JSON.stringify(err));
resolve({err});
});
}, function (err) {
console.error('error resolve file:' + JSON.stringify(err));
resolve({err});
})
})
}
/**
* 转换ObjectURL,用于展示图片
* @param {*} file
*/
export const readFileAsImageWeb = function(file) {
return new Promise((resolve) => {
// var reader = new FileReader();
// reader.onload = function (evt) {
// let base64image = evt.target.result;
// resolve(base64image);
// }
// reader.readAsDataURL(file);
let blob = new Blob([file]), // 文件转化成二进制文件
url = URL.createObjectURL(blob);
resolve(url);
})
}
/**
* 转换图片为链接,展示用,各平台通用处理
* @param {*} fileOrPath
*/
export const readFileAsImageAllPlatform = function(fileOrPath) {
return new Promise((resolve) => {
if (isCordovaDevice()) {
resolve('file://' + fileOrPath.path);
}else {
readFileAsImageWeb(fileOrPath).then((objectUrl) => {
resolve(objectUrl)
})
}
})
}
/**
* 获取图片dataUrl,base64
* @param {*} fileOrPath
*/
export const getFileDataUrl = function(fileOrPath) {
return new Promise((resolve) => {
if (isCordovaDevice()) {
getDataUrlFromPath(fileOrPath.path).then(({dataUrl, err}) => {
if (dataUrl) {
resolve(dataUrl);
}else {
resolve(err);
}
})
}else {
readFileAsImageWeb(fileOrPath).then((objectUrl) => {
resolve(objectUrl);
})
}
})
}
/**
* 获取文件 md5
* @param {*} file
* @param {*} callback
*/
export const getFileMd5 = function(file, callback) {
let chunkSize = 2097152, // Read in chunks of 2MB
chunks = Math.ceil(file.size / chunkSize),
currentChunk = 0,
spark = new SparkMD5.ArrayBuffer(),
fileReader = new FileReader();
fileReader.onload = function (e) {
// console.log('read chunk nr', currentChunk + 1, 'of', chunks);
spark.append(e.target.result); // Append array buffer
currentChunk++;
if (currentChunk < chunks) {
let progress = (currentChunk / chunks * 100).toFixed();
loadNext();
} else {
const fileMd5 = spark.end();
console.log('finished loading');
console.info('computed hash', fileMd5); // Compute hash
callback && callback(fileMd5);
}
};
fileReader.onerror = function (err) {
console.warn('oops, something went wrong.');
callback && callback(null, err);
};
function loadNext() {
let start = currentChunk * chunkSize,
end = ((start + chunkSize) >= file.size) ? file.size : start + chunkSize;
fileReader.readAsArrayBuffer(file.slice(start, end));
}
loadNext();
}
/**
* 获取文件md5,各平台通用处理
* @param {*} fileOrPath
* @param {*} callback
*/
export const getFileMd5AllPlatform = function(fileOrPath, callback) {
if (isCordovaDevice()) {
getFileFromPath(fileOrPath.path).then(({file, err}) => {
if (file) {
getFileMd5(file, (md5, MD5err) => {
callback && callback(file, md5, MD5err)
})
}else {
callback && callback(file, null, err)
}
})
}else {
getFileMd5(fileOrPath, (md5, MD5err) => {
callback && callback(fileOrPath, md5, MD5err)
})
}
}
/**
* 获取blob的md5
*/
export const getBlobMd5 = function(blob, callback){
let name = (new Date()).getTime();
let fileNew = blobToFile(blob, name);
getFileMd5(fileNew, (md5, MD5err) => {
callback && callback(fileNew, md5, MD5err)
})
}
/**
* 上传 ali oss
* @param {*} file
* @param {*} host
* @param {*} params
* @param {*} progressCallback
* @param {*} succ
* @param {*} fail
*/
function upload(file, host, params, progressCallback, succ, fail) {
var formData = new FormData();
forEach(params, (val, key) => {
if (val !== undefined) formData.append(key, val);
})
formData.append("file", file);
var request = new XMLHttpRequest();
request.upload.onprogress = function(evt) {
if (evt.lengthComputable) {
var percentComplete = evt.loaded / evt.total;
progressCallback && progressCallback(percentComplete);
} else {
// Unable to compute progress information since the total size is unknown
}
}
request.onload = function(evt) {
if (request.status == 200) {
console.log('uploaded');
succ && succ({oss_path: `${host}/${params.key}`, path:params.key});
}else{
console.log('upload err status: ' + this.responseText);
fail && fail(this.responseText)
}
}
request.onerror = function(err) {
console.log('upload err: ' + JSON.stringify(err))
fail && fail(err)
}
request.open("POST", host);
request.send(formData);
}
/**
* 获取图片评论上传的签名
*/
export const getUploadAuth = function(file, md5, succ, fail, uploadType) {
let params = {
md5,
file_name: file.name,
}
getUploadPublicSignature({upload_type: uploadType}, params).then(resp => {
if (resp && !resp.Status) {
succ && succ(resp);
}else {
fail && fail(resp);
}
}).catch(err => {
fail && fail(err);
})
}
/**
* 上传图片评论
*/
export const uploadFile = function(fileOrPath, uploadType, progressCallback, succ, fail) {
if(uploadType === "snapshot" && deviceType() === deviceType.types.IOS){
getBlobMd5(fileOrPath, (file, md5, err) => {
if (file && md5 !== null) {
if(!size(file.name)){
file.name = "map_" + (new Date()).getTime();
}
getUploadAuth(file, md5, (resp) => {
let {host} = resp;
let name = file.name;
let params = {
'name': name,
'key': resp['path'],
'policy': resp['policy'], //oss
'OSSAccessKeyId': resp['accessid'], //oss
'success_action_status': '200', //oss 让服务端返回200,不然,默认会返回204
'signature': resp['signature'], //oss
'Policy': resp['policy'], //minio
'X-Amz-Algorithm': resp['x-amz-algorithm'], //minio
'X-Amz-Credential': resp['x-amz-credential'], //minio
'X-Amz-Date': resp['x-amz-date'], //minio
'X-Amz-Signature': resp['x-amz-signature'], //minio
};
upload(file, host, params, progressCallback, succ, fail);
}, fail, uploadType)
}else {
fail && fail(err);
}
})
}
else{
getFileMd5AllPlatform(fileOrPath, (file, md5, err) => {
if (file && md5 !== null) {
if(!size(file.name)){
file.name = "map_" + (new Date()).getTime();
}
getUploadAuth(file, md5, (resp) => {
let {host} = resp;
let params = {
'name': name,
'key': resp['path'],
'policy': resp['policy'], //oss
'OSSAccessKeyId': resp['accessid'], //oss
'success_action_status': '200', //oss 让服务端返回200,不然,默认会返回204
'signature': resp['signature'], //oss
'Policy': resp['policy'], //minio
'X-Amz-Algorithm': resp['x-amz-algorithm'], //minio
'X-Amz-Credential': resp['x-amz-credential'], //minio
'X-Amz-Date': resp['x-amz-date'], //minio
'X-Amz-Signature': resp['x-amz-signature'], //minio
};
upload(file, host, params, progressCallback, succ, fail);
}, fail, uploadType)
}else {
fail && fail(err);
}
})
}
}
/**
* 上传图片评论promise
*/
export const uploadFilePromise = function(fileOrPath, uploadType, progressCallback) {
return new Promise((resolve) => {
uploadFile(fileOrPath, uploadType, progressCallback, (resp) => {
resolve(resp);
}, (err) => {
resolve({err})
})
})
}