78 lines
1.8 KiB
TypeScript
78 lines
1.8 KiB
TypeScript
import { Message } from "@arco-design/web-vue";
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/**
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* 复制文本到剪切板
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* @param text 复制内容
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* @returns 是否复制成功
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*/
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export function copyText(text: string) {
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if (navigator.clipboard && window.isSecureContext) {
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// 现代浏览器和安全环境下，直接用 Clipboard API
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return navigator.clipboard
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.writeText(text)
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.then(() => {
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Message.success("复制成功");
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})
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.catch((err) => {
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Message.error("复制失败：" + err);
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});
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} else {
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// 退回到传统方式
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fallbackCopyText(text);
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}
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}
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/**
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* 复制文本到剪切板的传统方式
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* @param text 复制内容
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*/
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function fallbackCopyText(text: string) {
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const textArea = document.createElement("textarea");
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textArea.value = text;
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// 避免滚动到页面底部
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textArea.style.position = "fixed";
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textArea.style.top = "0";
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textArea.style.left = "0";
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document.body.appendChild(textArea);
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textArea.focus();
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textArea.select();
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try {
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const successful = document.execCommand("copy");
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if (successful) {
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console.log("复制成功（fallback）");
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} else {
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console.log("复制失败（fallback）");
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}
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} catch (err) {
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console.error("复制失败（fallback）", err);
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}
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document.body.removeChild(textArea);
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}
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export function formatFileSizeToString(size: number): string {
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if (size < 0) return "0 B";
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const units = ["B", "KB", "MB", "GB", "TB"];
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let sizeD = size;
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let unitIndex = 0;
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while (sizeD >= 1024 && unitIndex < units.length - 1) {
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sizeD /= 1024;
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unitIndex++;
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}
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let formatted: string;
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if (sizeD < 10) {
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formatted = sizeD.toFixed(2);
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} else if (sizeD < 100) {
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formatted = sizeD.toFixed(1);
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} else {
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formatted = sizeD.toFixed(0);
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}
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return `${formatted} ${units[unitIndex]}`;
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}
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