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src/utils/utils.js

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+//时间转换
+function timestampToTime(timestamp, layout) {
+	let flag = timestamp+'';
+	if(flag.length!=13){
+		var date = new Date(timestamp * 1000);
+	}else{
+		var date = new Date(timestamp);
+	}
+	var Y = date.getFullYear()
+	var M = (date.getMonth() + 1 < 10 ? "0" + (date.getMonth() + 1) : date.getMonth() + 1);
+	var D = date.getDate() < 10 ? "0" + date.getDate() : date.getDate();
+	var h = date.getHours() < 10 ? "0" + date.getHours() : date.getHours();
+	var m = date.getMinutes() < 10 ? "0" + date.getMinutes() : date.getMinutes();
+	var s = date.getSeconds() < 10 ? "0" + date.getSeconds() : date.getSeconds();
+	if (layout == 1) {
+		return Y + "-" + M + "-" + D;
+	} else if (layout == 2) {
+		return h + ":" + m + ":" + s;
+	} else if (layout == 3) {
+		return Y + "-" + M + "-" + D + " " + h + ":" + m + ":" + s;
+	} else if (layout == 4) {
+		return Y + "年" + M + "月" + D + "日"
+	} else if (layout == 5) {
+		return Y + "/" + M + "/" + D
+	} else if (layout == 6) {
+		return M + "-" + D
+	} else if (layout == 7) {
+		return h + ":" + m
+	} else if (layout == 8) {
+		return Y + "-" + M + "-" + D + " " + h + ":" + m;
+	} else if (layout == 9) {
+		return Y + "/" + M + "/" + D + " " + h + ":" + m;
+	} else if (layout == 10) {
+		return M + "/" + D
+	} else if (layout == 11) {
+		return Y + "." + M + "." + D
+	} else if (layout == 12) {
+		return Y + "." + M + "." + D + " " + h + ":" + m + ":" + s;
+	} else if (layout == 13) {
+		return Y + "年" + M + "月" + D + "日 " + (h>12?"下午":"上午") + h + ":" + m;
+	} 
+}
+// 时间差
+function differenceTime(timestamp) {
+	// 补全为13位
+	let arrTimestamp = (timestamp + '').split('');
+	for (let start = 0; start < 13; start++) {
+		if (!arrTimestamp[start]) {
+		  arrTimestamp[start] = '0';
+		}
+	}
+	timestamp = arrTimestamp.join('') * 1;
+	let minute = 1000 * 60;
+	let hour = minute * 60;
+	let day = hour * 24;
+	let month = day * 30;
+	let now = new Date().getTime();
+	let diffValue = now - timestamp;
+	// 如果本地时间反而小于变量时间
+	if (diffValue < 0) {
+		return '即将';
+	}
+	// 计算差异时间的量级
+	let monthC = diffValue / month;
+	let weekC = diffValue / (7 * day);
+	let dayC = diffValue / day;
+	let hourC = diffValue / hour;
+	let minC = diffValue / minute;
+	// 数值补0方法
+	let zero = function (value) {
+		if (value < 10) {
+			return '0' + value;
+		}
+		return value;
+	};
+	// 使用
+	if (monthC > 12) {
+		return timestampToTime(timestamp,1)
+	} else if (monthC >= 1) {
+		return parseInt(monthC) + '月前';
+	} else if (weekC >= 1) {
+		return parseInt(weekC) + '周前';
+	} else if (dayC >= 1) {
+		return parseInt(dayC) + '天前';
+	} else if (hourC >= 1) {
+		return parseInt(hourC) + '小时前';
+	} else if (minC >= 1) {
+		return parseInt(minC) + '分钟前';
+	}
+	return '刚刚';
+}
+//判断后缀类型
+function matchType(fileName) {
+	console.log(fileName)
+	// 后缀获取
+	let suffix = "";
+	// 获取类型结果
+	let result;
+	try {
+		const fileArr = fileName.split('.')
+		suffix = fileArr[fileArr.length - 1];
+	} catch (err) {
+		suffix = "";
+	}
+	// fileName无后缀返回 false
+	if (!suffix) {
+		result = false
+		return result
+	}
+	// 文件格式
+	const fileList = ['docx', 'doc', 'pdf'];
+	result = fileList.some(function(item) {
+		return item === suffix
+	})
+	if (result) {
+		return 'file'
+	}
+	// 图片格式
+	// const imgList = ['png', 'jpg', 'jpeg', 'bmp', 'gif', 'svg', 'icon', 'ico'];
+	// 进行图片匹配
+	// result = imgList.some(function(item) {
+	// 	return item === suffix
+	// })
+	// if (result) {
+	// 	result = 'image'
+	// 	return result
+	// }
+}
+//转义
+function transferred(html) {
+	return html
+		.replace(/&lt;/g, "<")
+		.replace(/&gt;/g, ">")
+		.replace(/&amp;nbsp;/g, "&nbsp;")
+		.replace(/&nbsp/g, "&nbsp;")
+}
+//富文本解析
+function formatRichText(html) {
+	//控制小程序中图片大小
+	let newContent = html.replace(/<img[^>]*>/gi, function(match, capture) {
+		console.log(match.search(/style=/gi));
+		if (match.search(/style=/gi) == -1) {
+			match = match.replace(/\<img/gi, '<img style=""');
+		}
+		return match;
+	});
+	newContent = newContent.replace(/style="/gi, '$& max-width:100% !important; ');
+	newContent = newContent.replace(/<br[^>]*\/>/gi, '');
+	return newContent;
+}
+export {
+	timestampToTime,
+	differenceTime,
+	matchType,
+	transferred,
+	formatRichText
+}