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index.js
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import Crypto from "./crypto";
export default {
/**
* 获取数据类型
* @param value 需要判断的值
* @return {String} 类型 String Number Object......
*/
getType(value) {
return Object.prototype.toString.call(value).slice(8, -1)
},
/**
* 获取url参数值
* @param name name
*/
getUrlParam(name) {
var reg = new RegExp("(^|/?|&)" + name + "=([^&]*)(&|$)", "i");
var l = window.location.href;
var i = l.indexOf("?");
if (i < 0) return null;
var str = l.slice(i + 1, l.length);
if (str) {
var r = str.match(reg);
if (r) {
return unescape(r[2]);
}
}
return null;
},
/**
* 设置cookie
* @param key key
* @param value 值
* @param time 保存时间（天）
*/
setCookie(key, value, time) {
var cur = new Date();
cur.setTime(cur.getTime() + time * 24 * 3600 * 1000);
document.cookie = key + "=" + encodeURIComponent(value) + ";expires=" + (time ? cur.toGMTString() : "");
},
getCookie(key) {
var data = document.cookie;
var startIndex = data.indexOf(key + "=");
if (startIndex > -1) {
startIndex = startIndex + key.length + 1;
var endIndex = data.indexOf(";", startIndex);
endIndex = endIndex < 0 ? data.length : endIndex;
return decodeURIComponent(data.substring(startIndex, endIndex));
} else {
return "";
}
},
delCookie(key) {
var data = this.getCookie(key);
if (data !== false) this.setCookie(key, data, -1);
},
/**
*
* @param key key
* @param value value
* @param encode 是否加密存储
*/
setSStorage(key, value, encode) {
let str = window.JSON.stringify(value);
if (encode) {
str = Crypto.encrypt(str);
}
window.sessionStorage.setItem(key, str);
},
getSStorage(key, decode) {
var str = "";
str = window.sessionStorage.getItem(key);
if (!str) return "";
if (decode) {
str = Crypto.decrypt(str);
}
try {
return window.JSON.parse(str);
} catch (error) {
window.sessionStorage.removeItem(key);
window.location.reload();
}
},
setLStorage(key, value, encode) {
let str = window.JSON.stringify(value);
if (encode) {
str = Crypto.encrypt(str);
}
window.localStorage.setItem(key, str);
},
getLStorage(key, decode) {
var str = "";
str = window.localStorage.getItem(key);
if (!str) return "";
try {
if (decode) str = Crypto.decrypt(str);
return window.JSON.parse(str);
} catch (error) {
window.localStorage.removeItem(key);
window.location.reload();
}
},
checkMobile(nub) {
return /^1[0-9]{10}$/.test(nub);
},
isNumber(val) {
let pattern = /^[1-9]{1}\d*$/g;
let isNumber = pattern.test(val);
return isNumber;
},
isLink(val){
let pattern = /^((https:|http:|:)?\/\/)(?:[\da-z.-]+)\.(?:[a-z.]{2,6})(?:\/\w\.-]*)*\/?/;
let isLink = pattern.test(val);
return isLink;
},
/**
* 四舍五入强制保留n位小数
* @param x 操作数字
* @param n 保留位数
*/
toDecimal(x, n) {
var f = parseFloat(x);
if (isNaN(f) && isNaN(n)) {
return false;
}
if (n === 0) return Math.round(x);
var num = Number("1E" + n);
f = Math.round(x * num) / num;
var s = f.toString();
var rs = s.indexOf(".");
if (rs < 0) {
rs = s.length;
s += ".";
}
while (s.length <= rs + n) {
s += "0";
}
return s;
},
/**
* 获取日期时间 默认格式 "yyyy-mm-dd hh:mm:ss"
* @param {String} formatType 可选 格式类型
* @param {Date} formatDate 可选 指定日期
* @return {String} 所需格式的日期
*/
getFormatDate(formatType, formatDate) {
let type = formatType || "yyyy-mm-dd hh:mm:ss";
let date = Object.prototype.toString.call(formatDate) === "[object Date]" ? formatDate : new Date();
let currentdate = "";
let month = date.getMonth() + 1;
let strDate = date.getDate();
let minutes = date.getMinutes();
let seconds = date.getSeconds();
month >= 1 && month <= 9 ? (month = "0" + month) : "";
strDate >= 0 && strDate <= 9 ? (strDate = "0" + strDate) : "";
minutes >= 0 && minutes <= 9 ? (minutes = "0" + minutes) : "";
seconds >= 0 && seconds <= 9 ? (seconds = "0" + seconds) : "";
switch (type.toLowerCase()) {
case "yyyy-mm-dd hh:mm:ss":
currentdate = date.getFullYear() + "-" + month + "-" + strDate + " " + date.getHours() + ":" + minutes + ":" + seconds;
break;
case "yyyy-mm-dd":
currentdate = date.getFullYear() + "-" + month + "-" + strDate;
break;
case "yyyy-mm-dd hh:mm":
currentdate = date.getFullYear() + "-" + month + "-" + strDate + " " + date.getHours() + ":" + minutes;
break;
case "yyyy-mm-dd hh":
currentdate = date.getFullYear() + "-" + month + "-" + strDate + " " + date.getHours();
break;
case "yyyy-mm":
currentdate = date.getFullYear() + "-" + month;
break;
case "yyyy":
currentdate = date.getFullYear();
break;
default:
currentdate = date.getFullYear() + "-" + month + "-" + strDate + " " + date.getHours() + ":" + minutes + ":" + seconds;
break;
}
return currentdate;
},
/**
* 数据导出
* @param {String} url 导出路径
* @param {Object} data 导出参数
*/
exportData(url, data) {
if (typeof data !== "object") {
console.warn("导出参数错误");
return;
}
let queryData = "",
downloadUrl = "";
for (const [key, value] of Object.entries(data)) {
if (key === "sessionId") break;
queryData += `${key}=${value}&`;
}
downloadUrl = url + "?" + queryData.slice(0, -1);
window.location.href = downloadUrl;
},
/**
* 缓冲函数
* @param {Object} dom 目标dom
* @param {Number} destination 目标位置
* @param {Number} rate 缓动率
* 示例用法
var dom = document.documentElement || document.body;
this.$util.easeout(dom, 0, 5);
*/
easeout(dom, destination = 0, rate = 3) {
let position = dom.scrollTop;
if (position === destination || typeof destination !== "number" || rate === 0) {
return false;
}
// 不存在原生`requestAnimationFrame`，用`setTimeout`模拟替代
if (!window.requestAnimationFrame) {
window.requestAnimationFrame = function (fn) {
return setTimeout(fn, 17);
};
}
let step = function () {
position = position + (destination - position) / rate;
if (Math.abs(destination - position) < 1) {
//动画结束
dom.scrollTop = destination;
return;
}
dom.scrollTop = position;
requestAnimationFrame(step);
};
step();
},
/**
* 对象深拷贝
* @param {Object} obj 初始对象
* @return {Object} result 拷贝后对象
*/
deepClone(obj) {
let result = Array.isArray(obj) ? [] : {};
for (let key in obj) {
if (obj.hasOwnProperty(key)) {
if (typeof obj[key] === 'object') {
result[key] = this.deepClone(obj[key]); //递归复制
} else {
result[key] = obj[key];
}
}
}
return result;
}
};