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/**
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* 获取文件名和后缀
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* @param {String} name
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*/
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export const get_file_ext = (name) => {
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const last_len = name.lastIndexOf('.');
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const len = name.length;
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return {
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name: name.substring(0, last_len),
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ext: name.substring(last_len + 1, len),
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};
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};
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/**
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* 获取扩展名
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* @param {Array} fileExtname
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|
*/
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export const get_extname = (fileExtname) => {
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if (!Array.isArray(fileExtname)) {
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let extname = fileExtname.replace(/(\[|\])/g, '');
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return extname.split(',');
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} else {
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return fileExtname;
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}
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return [];
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};
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|
/**
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* 获取文件和检测是否可选
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|
*/
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|
export const get_files_and_is_max = (res, _extname) => {
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|
let filePaths = [];
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|
let files = [];
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if (!_extname || _extname.length === 0) {
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|
return {
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|
filePaths,
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|
files,
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|
};
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|
}
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|
res.tempFiles.forEach((v) => {
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|
let fileFullName = get_file_ext(v.name);
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|
const extname = fileFullName.ext.toLowerCase();
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|
if (_extname.indexOf(extname) !== -1) {
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|
files.push(v);
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|
filePaths.push(v.path);
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|
|
}
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|
|
});
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|
|
if (files.length !== res.tempFiles.length) {
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|
|
uni.showToast({
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|
|
title: `当前选择了${res.tempFiles.length}个文件 ，${
|
|
|
res.tempFiles.length - files.length
|
|
|
} 个文件格式不正确`,
|
|
|
icon: 'none',
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|
|
duration: 5000,
|
|
|
});
|
|
|
}
|
|
|
|
|
|
return {
|
|
|
filePaths,
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|
|
files,
|
|
|
};
|
|
|
};
|
|
|
|
|
|
/**
|
|
|
* 获取图片信息
|
|
|
* @param {Object} filepath
|
|
|
*/
|
|
|
export const get_file_info = (filepath) => {
|
|
|
return new Promise((resolve, reject) => {
|
|
|
uni.getImageInfo({
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|
|
src: filepath,
|
|
|
success(res) {
|
|
|
resolve(res);
|
|
|
},
|
|
|
fail(err) {
|
|
|
reject(err);
|
|
|
},
|
|
|
});
|
|
|
});
|
|
|
};
|
|
|
/**
|
|
|
* 获取封装数据
|
|
|
*/
|
|
|
export const get_file_data = async (files, type = 'image') => {
|
|
|
// 最终需要上传数据库的数据
|
|
|
let fileFullName = get_file_ext(files.name);
|
|
|
const extname = fileFullName.ext.toLowerCase();
|
|
|
let filedata = {
|
|
|
name: files.name,
|
|
|
uuid: files.uuid,
|
|
|
extname: extname || '',
|
|
|
cloudPath: files.cloudPath,
|
|
|
fileType: files.fileType,
|
|
|
url: files.path || files.path,
|
|
|
size: files.size, //单位是字节
|
|
|
image: {},
|
|
|
path: files.path,
|
|
|
video: {},
|
|
|
};
|
|
|
if (type === 'image') {
|
|
|
const imageinfo = await get_file_info(files.path);
|
|
|
delete filedata.video;
|
|
|
filedata.image.width = imageinfo.width;
|
|
|
filedata.image.height = imageinfo.height;
|
|
|
filedata.image.location = imageinfo.path;
|
|
|
} else {
|
|
|
delete filedata.image;
|
|
|
}
|
|
|
return filedata;
|
|
|
};
|