pika_shangjia/utils/util.js

const formatTime = date => {
	const year = date.getFullYear();
	const month = date.getMonth() + 1;
	const day = date.getDate();
	const hour = date.getHours();
	const minute = date.getMinutes();
	const second = date.getSeconds();
	var t1 = [year, month, day].map(formatNumber).join('/') + ' ' + [hour, minute, second].map(formatNumber).join(
		':');
	var t2 = [year, month, day].map(formatNumber).join('-');
	var time = {
		t1: t1,
		t2: t2
	};
	return time;
};
/**
 * 获取上一个月
 *
 * @date 格式为yyyy-mm-dd的日期，如：2014-01-25
 */


const getPreMonth = date => {
	var arr = date.split('-');
	var year = arr[0]; //获取当前日期的年份

	var month = arr[1]; //获取当前日期的月份

	var day = arr[2]; //获取当前日期的日

	var days = new Date(year, month, 0);
	days = days.getDate(); //获取当前日期中月的天数

	var year2 = year;
	var month2 = parseInt(month) - 1;

	if (month2 == 0) {
		//如果是1月份，则取上一年的12月份
		year2 = parseInt(year2) - 1;
		month2 = 12;
	}

	var day2 = day;
	var days2 = new Date(year2, month2, 0);
	days2 = days2.getDate();

	if (day2 > days2) {
		//如果原来日期大于上一月的日期，则取当月的最大日期。比如3月的30日，在2月中没有30
		day2 = days2;
	}

	if (month2 < 10) {
		month2 = '0' + month2; //月份填补成2位。
	}

	var t1 = year + '-' + month;
	var t2 = year2 + '-' + month2;
	var time = {
		t1: t1,
		t2: t2
	};
	return time;
};

const formatNumber = n => {
	n = n.toString();
	return n[1] ? n : '0' + n;
};

const formatTimes = t => {
	let second = t % 60;
	let minute = parseInt(t / 60 % 60);
	let hour = parseInt(t / 60 / 60);
	return formatNumber(hour) + ':' + formatNumber(minute) + ":" + formatNumber(second);
};

const formatDayTimes = t => {
	let second = t % 60;
	let minute = parseInt(t / 60 % 60);
	let hour = parseInt(t / 60 / 60 % 24);
	let day = parseInt(t / 60 / 60 / 24);
	return formatNumber(day) + '天' + formatNumber(hour) + ':' + formatNumber(minute) + ":" + formatNumber(second);
};
/**
 * 判断此对象是否是Object类型
 * @param {Object} obj  
 */


function isObject(obj) {
	return Object.prototype.toString.call(obj) === '[object Object]';
}

;
/**
 * 判断此类型是否是Array类型
 * @param {Array} arr 
 */

function isArray(arr) {
	return Object.prototype.toString.call(arr) === '[object Array]';
}

;
/**
 *  深度比较两个对象是否相同
 * @param {Object} oldData 
 * @param {Object} newData 
 */

function equalsObj(oldData, newData) {
	// 类型为基本类型时,如果相同,则返回true
	if (oldData === newData) return true;

	if (isObject(oldData) && isObject(newData) && Object.keys(oldData).length === Object.keys(newData).length) {
		// 类型为对象并且元素个数相同
		// 遍历所有对象中所有属性,判断元素是否相同
		for (const key in oldData) {
			if (oldData.hasOwnProperty(key)) {
				if (!equalsObj(oldData[key], newData[key])) // 对象中具有不相同属性 返回false
					return false;
			}
		}
	} else if (isArray(oldData) && isArray(oldData) && oldData.length === newData.length) {
		// 类型为数组并且数组长度相同
		for (let i = 0, length = oldData.length; i < length; i++) {
			if (!equalsObj(oldData[i], newData[i])) // 如果数组元素中具有不相同元素,返回false
				return false;
		}
	} else {
		// 其它类型,均返回false
		return false;
	} // 走到这里,说明数组或者对象中所有元素都相同,返回true


	return true;
}

; //时间戳转化

function transTime(date) {
	var date = new Date(parseInt(date) * 1000);
	var year = date.getFullYear();
	var month = date.getMonth() + 1;
	var day = date.getDate();
	var hour = date.getHours();
	var minute = date.getMinutes();
	var second = date.getSeconds();
	return [year, month, day].map(formatNumber).join('-') + ' ' + [hour, minute, second].map(formatNumber).join(':');
}

; // 节流

function throttle(fn, gapTime) {
	if (gapTime == null || gapTime == undefined) {
		gapTime = 1500;
	}

	let _lastTime = null; // 返回新的函数

	return function() {
		let _nowTime = +new Date();

		if (_nowTime - _lastTime > gapTime || !_lastTime) {
			fn.apply(this, arguments); //将this和参数传给原函数

			_lastTime = _nowTime;
		}
	};
};

const isMobile = (value) => {
	var reg = /^1[3|4|5|6|7|8|9][0-9]{9}$/; //验证规则

	var flag = reg.test(value);

	if (!flag) {
		return false
	} else {
		return true
	}
}

 const convertUrlObj=(data)=> {
    var _result = [];
    for (var key in data) {
      var value = data[key];
      if (value.constructor == Array) {
        value.forEach(function(_value) {
          _result.push(key + "=" + _value);
        });
      } else {
        _result.push(key + '=' + value);
      }
    }
	console.log('Obj==',_result.join('&'))
    return _result.join('&');
  }
  
  // 隐藏手机号中间四位
  function styleHintText(tel) {
  	if (tel) {
  		var reg = /^(\d{6})\d{8}(\d{4})$/;
  		tel = tel.replace(reg, "$1********$2");
  	}
  	return tel;
  }
  
function getDateDiff(dateTimeStamp){
	var minute = 1000 * 60;
	var hour = minute * 60;
	var day = hour * 24;
	var halfamonth = day * 15;
	var month = day * 30;
	var now = new Date().getTime();
	var diffValue = now - dateTimeStamp;
	if(diffValue < 0){return;}
	var monthC =diffValue/month;
	var weekC =diffValue/(7*day);
	var dayC =diffValue/day;
	var hourC =diffValue/hour;
	var minC =diffValue/minute;
	if(monthC>=1){
			result="" + parseInt(monthC) + "月前";
	}
	else if(weekC>=1){
			result="" + parseInt(weekC) + "周前";
	}
	else if(dayC>=1){
			result=""+ parseInt(dayC) +"天前";
	}
	else if(hourC>=1){
			result=""+ parseInt(hourC) +"小时前";
	}
	else if(minC>=1){
			result=""+ parseInt(minC) +"分钟前";
	}else
	result="刚刚";
	return result;
}

function formatNumbers(num) {
	if (num >= 1e4) {
		return parseInt(num / 1e4).toFixed(0) + 'w+'
	} else if (num >= 999) {
		return '999+'
	} else if (num >= 99) {
		return '99+'
	} else {
		return num
	}
}

// 金钱
function toDecimal(x) {
	var f = Math.round(x * 100) / 100;
	var s = f.toString();
	var rs = s.indexOf('.');
	if (rs < 0) {
		rs = s.length;
		s += '.';
	}
	while (s.length <= rs + 2) {
		s += '0';
	}
	return s;
}

// 时间字符串返回时分 
function captureTime(time,isTime){
	var fullTime = time; // 日期字符串
	// console.log(fullTime + '----');
	var timeArr = fullTime.replace(" ", ":").replace(/\:/g, "-").split("-");
	var nian = timeArr[0];
	var yue = timeArr[1];
	var ri = timeArr[2];
	var shi = timeArr[3];
	var fen = timeArr[4];
	var miao = timeArr[5];
	// console.log(nian + '-' + yue + '-' + ri + ' ' + shi + ':' + fen + ':' + miao);
	var str = shi + ':' + fen;
	var date =nian + '-' + yue + '-' + ri;
	// var str = yue + '-' + ri + ' ' + shi + ':' + fen;
	// console.log(str);
	if(isTime){
		return str
	}else{
		return date
	}
}
function countDown(times){
    //计算小时数 转化为整数
    var h = parseInt(times / 60);
    //如果小时数小于 10，要变成 0 + 数字的形式
    h = h < 10 ? "0" + h : h;
    //计算分钟数 转化为整数
    var m = parseInt(times % 60);
    //如果分钟数小于 10，要变成 0 + 数字的形式
    m = m < 10 ? "0" + m : m;
    //计算描述 转化为整数
    // var s = parseInt(times % 60);
    //如果秒钟数小于 10，要变成 0 + 数字的形式
    // s = s < 10 ? "0" + s : s;
    // return h + ':' + m + ':' + s
        return [h,m];
}

module.exports = {
	formatTime: formatTime,
	formatTimes: formatTimes,
	formatDayTimes: formatDayTimes,
	equalsObj: equalsObj,
	isObject: isObject,
	isArray: isArray,
	transTime: transTime,
	throttle: throttle,
	getPreMonth: getPreMonth,
	isMobile:isMobile,
	convertUrlObj:convertUrlObj,
	getDateDiff: getDateDiff,
	styleHintText:styleHintText,
	formatNumbers: formatNumbers,
	toDecimal: toDecimal,
	captureTime: captureTime,
	countDown:countDown
};