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64 lines
1.5 KiB
64 lines
1.5 KiB
/*
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全局共享实用方法 shared.js
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*/
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// 判断对错/是否显示,万能校验
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export function isRight(obj) {
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if (isValueType(obj) === 'string') {
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obj = obj.trim();
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if (obj === 'null' || obj === 'undefined') {
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return false;
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}
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} else if (isValueType(obj) === 'number' && (isValueType(obj) === "number" && !isNaN(obj)) && obj !== 0) {
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return true;
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} else if (isValueType(obj) === 'boolean') {
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return obj
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}
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for (var key in obj) {
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return true;
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}
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return false;
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}
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// 判断一个值所属的类型,返回一个字符串
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export function isValueType(value) {
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let str = Object.prototype.toString.call(value);
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return str.match(/\[object (.*?)\]/)[1].toLowerCase();
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}
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export const timer = (value, fmt) => {
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if(!value) return;
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let newTime = new Date(value)
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if(!fmt){
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fmt = 'yyyy-MM-dd hh:mm';
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}
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if(/(y+)/.test(fmt)) {
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fmt = fmt.replace(RegExp.$1, (newTime.getFullYear() + '').substr(4 - RegExp.$1.length));
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}
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let o = {
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'M+': newTime.getMonth() + 1,
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'd+': newTime.getDate(),
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'h+': newTime.getHours(),
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'm+': newTime.getMinutes(),
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's+': newTime.getSeconds()
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};
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function padLeftZero(str) {
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return ('00'+str).substr(str.length);
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}
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// 遍历这个对象
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for (let k in o) {
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if (new RegExp(`(${k})`).test(fmt)) {
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// console.log(`${k}`)
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let str = o[k] + '';
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fmt = fmt.replace(RegExp.$1, (RegExp.$1.length === 1) ? str : padLeftZero(str));
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}
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}
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return fmt;
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}
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// 位数不足2,前面补0
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var cover = function(par) {
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par = par.toString()[1] ? par : "0" + par;
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return par;
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};
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