更新常用的js工具函数

在手机调试时打印代码
<script src="https://cdn.bootcss.com/vConsole/3.3.0/vconsole.min.js"></script>
<script>
 var vConsole = new VConsole();
 console.log('VConsole is cool');
</script>
import * as date from "./date.js";
/**
 * 函数防抖 (只执行最后一次点击)
 * @param fn
 * @param delay
 * @returns {Function}
 * @constructor
 */
export const Debounce = (fn, t) => {
  let delay = t || 500;
  let timer;
  console.log(fn)
  console.log(typeof fn)
  return function () {
    let args = arguments;
    if (timer) {
      clearTimeout(timer);
    }
    timer = setTimeout(() => {
      timer = null;
      fn.apply(this, args);
    }, delay);
  }
};
/**
 * 函数节流
 * @param fn
 * @param interval
 * @returns {Function}
 * @constructor
 */
export const Throttle = (fn, t) => {
  let last;
  let timer;
  let interval = t || 500;
  return function () {
    let args = arguments;
    let now = +new Date();
    if (last && now - last < interval) {
      clearTimeout(timer);
      timer = setTimeout(() => {
        last = now;
        fn.apply(this, args);
      }, interval);
    } else {
      last = now;
      fn.apply(this, args);
    }
  }
};
/**
 * 转换日期格式为2019年11月11日、2019年正月初一
 * @param {*} name 
 * @param {*} value 
 * @param {*} expiredays 
 */

export const getChangeDate = (info, type) => {
  let birthInfoText = ''
  // 日期互转
  const lunar = date.solar2lunar(
    parseInt(info.birthDayYear),
    parseInt(info.birthDayMonth),
    parseInt(info.birthDayDay),
  );
  console.log(info);
  if (type == 2) {
    birthInfoText = `农历 ${lunar.lYear||1985}年${lunar.IMonthCn||1}${lunar.IDayCn||1}`;
  } else {
    birthInfoText = `公历 ${info.birthDayYear||1985}年${info.birthDayMonth||1}月${info.birthDayDay||1}日`;
  }
  return birthInfoText
}

// 存储cookie
export const SetCookie = (name, value, expiredays) => {
  var exdate = new Date();
  exdate.setDate(exdate.getDate() + expiredays);
  var cookieVal = name + "=" + encodeURI(value) + ((expiredays == null) ? "" : ";expires=" + exdate.toGMTString())+ ";path=/";
  document.cookie = cookieVal;
}


/*读取cookie*/
export const GetCookie = (sKey) => {
  sKey = sKey.replace(/([.[]$])/g, '\$1');
  var rep = new RegExp(sKey + '=([^;]*)?;', 'i');
  var co = document.cookie + ';';
  var res = co.match(rep);
  if (res) {
    return decodeURI(res[1]) || "";
  } else {
    return null;
  }
};

/*删除cookie*/
export const DelCookie = (sKey) => {
  SetCookie(sKey,"",-1)
}

// 获取参数
export const getQueryString = (name) => {
  var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)", "i");
  var r = window.location.search.substr(1).match(reg);
  if (r != null) return unescape(r[2]);
  return "";
}
// 键盘
export const hackScrollTop = (vnode, offsetVal) => {
  let target = vnode;
  let t = navigator.userAgent;
  // 区分组件和DOM
  target.offsetTop || (target = vnode.$el);
  if (t.indexOf("Android") > -1 || t.indexOf("Adr") > -1) {
    document.documentElement.scrollTop = document.body.scrollTop =
      target.offsetTop + parseInt(offsetVal);
  }
  setTimeout(() => {
    target.scrollIntoViewIfNeeded();
  }, 400);
}
// 定位
export const stackScroll = (vnode, offsetVal) => {
  let target = vnode;
  let t = navigator.userAgent;
  // 区分组件和DOM
  target.offsetTop || (target = vnode.$el);
  document.documentElement.scrollTop = document.body.scrollTop =
  target.offsetTop + parseInt(offsetVal);
  setTimeout(() => {
    target.scrollIntoViewIfNeeded();
  }, 400);
}
// 判断是否是数字
export const isRealNum = (val) => {
  // isNaN()函数 把空串 空格 以及NUll 按照0来处理 所以先去除
  if (val === "" || val == null) {
    return false;
  }
  if (!isNaN(val)) {
    return true;
  } else {
    return false;
  }
}
// 判断null NaN undefined 
export const isHasValue = (val) => {
  if(val){
    if (!val) {
      return false;
    }else if(val=='undefined'||val=='null'||val==' '||val=='NaN'){
      return false;
    }else{
      return true
    }
  }else{
    return false
  }
}
//获取QS

export default function (search) {

　　const map = Object.create(null);

　　if (search[0] === '?') {

　　　　search = search.substring(1);

　　}

　　const substrs = search.split('&');

　　const len = substrs.length;

　　for (let index = 0, substr; index < len; index += 1) {

　　　　substr = substrs[index].split('=');

　　　　if (substr[0]) {

　　　　　　map[substr[0]] = substr[1];

　　　　}

　　}

　　return map;

};