135 lines
2.9 KiB
TypeScript
135 lines
2.9 KiB
TypeScript
import { isEmptyStr } from './index';
|
|
|
|
/**
|
|
* 获取 base64 实际数据
|
|
*/
|
|
export function getBase64Data(e: string) {
|
|
return e.substring(e.indexOf(',') + 1);
|
|
}
|
|
|
|
/**
|
|
* 读取文件内容 返回 promise
|
|
*/
|
|
export function readFileText(e: File, encoding = 'UTF-8'): Promise<string> {
|
|
return new Promise((resolve, reject) => {
|
|
const reader = new FileReader();
|
|
reader.readAsText(e, encoding);
|
|
reader.onload = res => {
|
|
resolve(res.target?.result as string);
|
|
};
|
|
reader.onerror = err => {
|
|
reject(err);
|
|
};
|
|
});
|
|
}
|
|
|
|
/**
|
|
* 解析路径类型
|
|
*/
|
|
type PathAnalysis = {
|
|
name: string;
|
|
path: string;
|
|
}
|
|
|
|
/**
|
|
* 获取解析路径
|
|
*/
|
|
export function getPathAnalysis(analysisPath: string, paths: PathAnalysis[] = []): PathAnalysis[] {
|
|
const lastSymbol = analysisPath.lastIndexOf('/');
|
|
if (lastSymbol === -1) {
|
|
paths.unshift({
|
|
name: '/',
|
|
path: '/'
|
|
});
|
|
return paths;
|
|
}
|
|
const name = analysisPath.substring(lastSymbol, analysisPath.length);
|
|
if (!isEmptyStr(name) && name !== '/') {
|
|
paths.unshift({
|
|
name: name.substring(1, name.length),
|
|
path: analysisPath
|
|
});
|
|
}
|
|
return getPathAnalysis(analysisPath.substring(0, lastSymbol), paths);
|
|
}
|
|
|
|
/**
|
|
* 替换路径
|
|
*/
|
|
export function getPath(path: string) {
|
|
return path.replace(new RegExp('\\\\+', 'g'), '/')
|
|
.replace(new RegExp('/+', 'g'), '/');
|
|
}
|
|
|
|
/**
|
|
* 获取父级路径
|
|
*/
|
|
export function getParentPath(path: string) {
|
|
const paths = getPath(path).split('/');
|
|
const len = paths.length;
|
|
if (len <= 2) {
|
|
return '/';
|
|
}
|
|
let parent = '';
|
|
for (let i = 0; i < len - 1; i++) {
|
|
parent += paths[i];
|
|
if (i !== len - 2) {
|
|
parent += '/';
|
|
}
|
|
}
|
|
return parent;
|
|
}
|
|
|
|
/**
|
|
* 下载文件
|
|
*/
|
|
export function downloadFile(res: any, fileName: string) {
|
|
const blob = new Blob([res.data]);
|
|
const tempLink = document.createElement('a');
|
|
const blobURL = window.URL.createObjectURL(blob);
|
|
tempLink.style.display = 'none';
|
|
tempLink.href = blobURL;
|
|
if (!fileName) {
|
|
fileName = res.headers['content-disposition']
|
|
? res.headers['content-disposition'].split(';')[1].split('=')[1]
|
|
: new Date().getTime();
|
|
}
|
|
tempLink.download = decodeURIComponent(fileName);
|
|
if (typeof tempLink.download === 'undefined') {
|
|
tempLink.target = '_blank';
|
|
}
|
|
document.body.appendChild(tempLink);
|
|
tempLink.click();
|
|
document.body.removeChild(tempLink);
|
|
window.URL.revokeObjectURL(blobURL);
|
|
}
|
|
|
|
/**
|
|
* 10进制权限 转 字符串权限
|
|
*/
|
|
export function permission10toString(permission: number) {
|
|
const ps = (permission + '');
|
|
let res = '';
|
|
for (let i = 0; i < ps.length; i++) {
|
|
const per = ps.charAt(i) as unknown as number;
|
|
if ((per & 4) === 0) {
|
|
res += '-';
|
|
} else {
|
|
res += 'r';
|
|
}
|
|
if ((per & 2) === 0) {
|
|
res += '-';
|
|
} else {
|
|
res += 'w';
|
|
}
|
|
if ((per & 1) === 0) {
|
|
res += '-';
|
|
} else {
|
|
res += 'x';
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
|
|
export default null;
|