sz-kjsxy-wx-new/common/util.js

/*
 * 公共方法
 *
 */
import moment from 'moment';
import { lang } from 'moment';
const base = {
	base64ToFile:(dataurl, filename = 'file') => {
		let arr = dataurl.split(',')
		let mime = arr[0].match(/:(.*?);/)[1]
		let suffix = mime.split('/')[1]
		let bstr = atob(arr[1])
		let n = bstr.length
		let u8arr = new Uint8Array(n)
		while (n--) {
			u8arr[n] = bstr.charCodeAt(n)
		}
		return new File([u8arr], `${filename}.${suffix}`, {
			type: mime
		})
	
	},
	toast : (msg, time, callback) => {
		uni.showToast({
			icon: "none",
			title: msg,
			duration: time || 1500,
			success: function(res) {
				if (callback && typeof(callback) == 'function') {
					console.log(callback)
					callback()
				}
			}
		})
	},
	// 转换日期为日月
	formatDateToMonthDay : (dateString) => {
		const month = moment(dateString).format('MM')
		const day = moment(dateString).format('DD')
		return `${month}月${day}日`;
	},
	// 比较当前时间是否在活动期间 在true 不在false
	isCurrentTimeBetween : (startTime, endTime) => {
		let that = this
		const now = moment().valueOf()
		const start = moment(startTime).valueOf();
		const end = moment(endTime).valueOf();
		return now < start || now > end;
	},
	// 验证是否填写的是中文
	isOnlyChinese : (str) => {
		const chineseRegex = /^[\u4e00-\u9fa5]+$/;
		return chineseRegex.test(str);
	},
	
	// 验证是否为空
	isNull : (p) => {
		return p == '' || p == undefined || p == null || p == 'undefined' || p == 'null';
	},
	
	// 验证手机号
    isMobile : (phoneNumber) => {
		const regex = /^1[3-9]\d{9}$/;
		return regex.test(phoneNumber);
	},
	// 分享
	shareInfo : ()=> {
		return{
			title:"苏州科技商学院",
			imageUrl:"/static/share.jpg"
		}

	},
	// 检查是否空对象
	isEmptyObject : (obj) => {
	  // 检查传入参数是否为一个对象
	  if (typeof obj !== 'object' || obj === null) {
	    throw new Error('Input must be an object');
	  }
	
	  // 使用Object.keys()方法获取对象的属性键数组，并检查其长度是否为0
	  return Object.keys(obj).length === 0;
	},
	
	deepCopy(data) {
	  //string,number,bool,null,undefined,symbol
	  //object,array,date
	  if (data && typeof data === "object") {
	    //针对函数的拷贝
	    if (typeof data === "function") {
	      let tempFunc = data.bind(null);
	      tempFunc.prototype = this.deepCopy(data.prototype);
	      return tempFunc;
	    }
	
	    switch (Object.prototype.toString.call(data)) {
	      case "[object String]":
	        return data.toString();
	      case "[object Number]":
	        return Number(data.toString());
	      case "[object Boolean]":
	        return Boolean(data.toString());
	      case "[object Date]":
	        return new Date(data.getTime());
	      case "[object Array]":
	        let arr = [];
	        for (let i = 0; i < data.length; i++) {
	          arr[i] = this.deepCopy(data[i]);
	        }
	        return arr;
	
	        //js自带对象或用户自定义类实例
	      case "[object Object]":
	        let obj = {};
	        for (let key in data) {
	          //会遍历原型链上的属性方法，可以用hasOwnProperty来控制 （obj.hasOwnProperty(prop)
	          obj[key] = this.deepCopy(data[key]);
	        }
	        return obj;
	    }
	  } else {
	    //string,number,bool,null,undefined,symbol
	    return data;
	  }
	},
	
	//  按顺序把接口返回值 赋给 form
	requestToForm(requestObj,form){
	  // 获取a对象中属性的顺序和值
	  let aKeys = Object.keys(form);
	  let aValues = aKeys.map(key => form[key]);
	
	  // 遍历b对象，将属性等于a中属性值的对象深拷贝给a中的相应属性
	  for (let i = 0; i < aKeys.length; i++) {
	    let key = aKeys[i];
	    let value = aValues[i];
	    if (requestObj[key] === value) {
	      // 深拷贝对象
	      Object.assign(form, { [key]: this.deepCopy(requestObj[key]) });
	    }
	  }
	
	  // 遍历b对象，将b中独有的属性按照a的顺序插入到a中
	  for (let key in requestObj) {
	    if (!form[key]) {
	      // 深拷贝属性值
	      Object.assign(form, { [key]: this.deepCopy(requestObj[key]) });
	    }
	  }
	  return form
	}
	
}

export {
	base
}