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src/tool/util.js

@@ -12,6 +12,20 @@ const getUploadUrl = () => {
 	return url
 }
 
+function base64ToFile(urlData,name) {
+	let arr = urlData.split(',');
+	let mime = arr[0].match(/:(.*?);/)[1];
+	let bstr = atob(arr[1]);
+	let n = bstr.length;
+	let u8arr = new Uint8Array(n);
+	while (n--) {
+		u8arr[n] = bstr.charCodeAt(n);
+	}
+	return new File([u8arr], name, {
+		type: mime
+	});
+}
+
 function dataURLtoBlob(dataurl) {//吧data url转为blob对象
 	var arr = dataurl.split(',');
 	var mime = arr[0].match(/:(.*?);/)[1];
@@ -47,6 +61,7 @@ function downloadIamge(imgsrc, name) { // 下载图片地址和图片名
 		a.href = url // 将生成的URL设置为a.href属性
 		a.target = '_blank'
 		a.dispatchEvent(event) // 触发a的单击事件
+		image.remove()
 	}
 	image.src = imgsrc
 }
@@ -164,6 +179,36 @@ const isMoible = () => {//判断是否是移动端
 	}
 }
 
+let setPubDate = (date)=>{
+	const timestamp = new Date(date);
+	const now = new Date();
+	// 计算时间差（以毫秒为单位）
+	const differenceMs = now - timestamp;
+	const seconds = Math.floor(differenceMs / 1000);
+	const minutes = Math.floor(seconds / 60);
+	const hours = Math.floor(minutes / 60);
+	const days = Math.floor(hours / 24);
+	const weeks = Math.floor(days / 7);
+	const months = Math.floor(days / 30);
+	const years = Math.floor(days / 365);
+	
+	// 根据时间差的大小返回不同的描述
+	if (years > 0) {
+		return `${years} 年前`;
+	} else if (months > 0) {
+		return `${months} 个月前`;
+	} else if (weeks > 0) {
+		return `${weeks} 周前`;
+	} else if (days > 0) {
+		return `一天前`;
+	} else if (hours > 0) {
+		return `${hours} 小时前`;
+	} else if (minutes > 0) {
+		return `${minutes} 分钟前`;
+	} else {
+		return `1 分钟前`;
+	}
+}
 
 function getBrowserInfo() {//获取是什么浏览器
 	var agent = navigator.userAgent.toLowerCase();
@@ -386,6 +431,7 @@ const setGradual = (colorObj,colorWidth,colorHeight)=>{
 export {
 	isEmail,
 	getUploadUrl,
+	base64ToFile,
 	dataURLtoFile,
 	blobToFile,
 	base64toFile,
@@ -395,6 +441,8 @@ export {
 	isMoible,
 	downloadIamge,
 	getBrowserInfo,
+	setPubDate,
 	murmur,
 	setGradual,
+	calculateGradientCoordinate,
 }