mall-app-t/peach/components/p-uploader/utils.js

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JavaScript
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/**
* 获取文件名和后缀
* @param {String} name
*/
export const get_file_ext = (name) => {
const last_len = name.lastIndexOf(".");
const len = name.length;
return {
name: name.substring(0, last_len),
ext: name.substring(last_len + 1, len),
};
};
/**
* 获取扩展名
* @param {Array} fileExtname
*/
export const get_extname = (fileExtname) => {
if (!Array.isArray(fileExtname)) {
let extname = fileExtname.replace(/(\[|\])/g, "");
return extname.split(",");
} else {
return fileExtname;
}
return [];
};
/**
* 获取文件和检测是否可选
*/
export const get_files_and_is_max = (res, _extname) => {
let filePaths = [];
let files = [];
if (!_extname || _extname.length === 0) {
return {
filePaths,
files,
};
}
res.tempFiles.forEach((v) => {
let fileFullName = get_file_ext(v.name);
const extname = fileFullName.ext.toLowerCase();
if (_extname.indexOf(extname) !== -1) {
files.push(v);
filePaths.push(v.path);
}
});
if (files.length !== res.tempFiles.length) {
uni.showToast({
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",
duration: 5000,
});
}
return {
filePaths,
files,
};
};
/**
* 获取图片信息
* @param {Object} filepath
*/
export const get_file_info = (filepath) => {
return new Promise((resolve, reject) => {
uni.getImageInfo({
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;
};