BX-association/src/utils/methods.js

import { BASE_IMG_URL } from "@/utils/request"
export default {
    splitImgHost(url) {
        if (!url) {
            return ''
        }
        if (url.indexOf("http") != -1 || url.indexOf("https") != -1 || url.indexOf("base64") != -1) {
            return url;
        }
        return BASE_IMG_URL + url
    },
    //秒级别
    onlyForma(timeStamp, Diszing = true) {
        if (!timeStamp) {
            return
        }
        var date = new Date(timeStamp * 1000); //时间戳为10位需*1000，时间戳为13位的话不需乘1000
        var Y = date.getFullYear() + '-';
        var M = (date.getMonth() + 1 < 10 ? '0' + (date.getMonth() + 1) : date.getMonth() + 1) + '-';
        var D = date.getDate() < 10 ? '0' + date.getDate() : date.getDate();
        var h = (date.getHours() < 10 ? '0' + date.getHours() : date.getHours()) + ':';
        var m = (date.getMinutes() < 10 ? '0' + date.getMinutes() : date.getMinutes()) + ':';
        var s = date.getSeconds() < 10 ? '0' + date.getSeconds() : date.getSeconds();
        if (Diszing) {
            return Y + M + D + ' ' + h + m + s; //时分秒可以根据自己的需求加上
        }
        return Y + M + D;
    },
    //毫秒级别
    onlyFormaHao(timeStamp, Diszing = true) {
        if (!timeStamp) {
            return
        }
        var date = new Date(timeStamp); //时间戳为10位需*1000，时间戳为13位的话不需乘1000
        var Y = date.getFullYear() + '-';
        var M = (date.getMonth() + 1 < 10 ? '0' + (date.getMonth() + 1) : date.getMonth() + 1) + '-';
        var D = date.getDate() < 10 ? '0' + date.getDate() : date.getDate();
        var h = (date.getHours() < 10 ? '0' + date.getHours() : date.getHours()) + ':';
        var m = (date.getMinutes() < 10 ? '0' + date.getMinutes() : date.getMinutes()) + ':';
        var s = date.getSeconds() < 10 ? '0' + date.getSeconds() : date.getSeconds();
        if (Diszing) {
            return Y + M + D + ' ' + h + m + s; //时分秒可以根据自己的需求加上
        }
        return Y + M + D;
    },
    //毫秒级别
    onlyFormaWeek(timeStamp, Diszing = true) {
        if (!timeStamp) {
            return
        }
        var date = new Date(timeStamp); //时间戳为10位需*1000，时间戳为13位的话不需乘1000
        var Y = date.getFullYear() + '年';
        var M = (date.getMonth() + 1 < 10 ? '0' + (date.getMonth() + 1) + '月' : date.getMonth() + 1 + '月');
        var D = date.getDate() < 10 ? '0' + date.getDate() + '日' : date.getDate() + '日';
        var h = (date.getHours() < 10 ? '0' + date.getHours() : date.getHours()) + ':';
        var m = (date.getMinutes() < 10 ? '0' + date.getMinutes() : date.getMinutes()) + ':';
        var s = date.getSeconds() < 10 ? '0' + date.getSeconds() : date.getSeconds();
        let dis = ''
        if (Diszing) {
            dis = Y + M + D + ' ' + h + m + s; //时分秒可以根据自己的需求加上
        }
        dis = Y + M + D;
        var str = "";
        var week = new Date().getDay();
        if (week == 0) {
            str = "星期日";
        } else if (week == 1) {
            str = "星期一";
        } else if (week == 2) {
            str = "星期二";
        } else if (week == 3) {
            str = "星期三";
        } else if (week == 4) {
            str = "星期四";
        } else if (week == 5) {
            str = "星期五";
        } else if (week == 6) {
            str = "星期六";
        }
        return dis + ' ' + str
    },
    //判断是否为数字
    isNotANumber(inputData) {
        //isNaN(inputData)不能判断空串或一个空格
        //如果是一个空串或是一个空格，而isNaN是做为数字0进行处理的，而parseInt与parseFloat是返回一个错误消息，这个isNaN检查不严密而导致的。
        if (parseFloat(inputData).toString() == "NaN") {
            //alert("请输入数字……");注掉，放到调用时，由调用者弹出提示。
            return false;
        } else {
            return true;
        }
    },
    //判断是否为数组
    isArrayFn(o) {
        return Object.prototype.toString.call(o) === '[object Array]';
    },
    /**
     * 
     * @param {int} result 
     * @returns {string}
     * @remard 单位S转小时分钟秒
     */
    secondToDate(result, Diszing = true) {
        var h = Math.floor(result / 3600) < 10 ? '0' + Math.floor(result / 3600) : Math.floor(result / 3600);
        var m = Math.floor((result / 60 % 60)) < 10 ? '0' + Math.floor((result / 60 % 60)) : Math.floor((result / 60 % 60));
        var s = Math.floor((result % 60)) < 10 ? '0' + Math.floor((result % 60)) : Math.floor((result % 60));
        if (h == 0 && Diszing) {
            result = m + ":" + s;
        } else {
            result = h + ':' + m + ":" + s
        }
        return result;
    },
    /**
     * @param {string} result 
     * @returns int
     * @remard 00:00:00格式转秒
     */
    secondFormDate(result) {
        if (result) {
            let reTime = result.split(":").map(Number)
            var hs = reTime[0] * 60 * 60
            var ms = reTime[1] * 60
            var ss = reTime[2]
            return hs + ms + ss
        } else {
            return 0
        }
    },
    /**
     * 扁平结构转换成树形结构 ---最佳性能方法
     * @param {Arrays} items 数据
     * @param {Strings} Id 参数名称 例如:'id' 默认id
     * @param {Strings} pId	参数名称 例如:'pid' 默认 pid
     * @returns 返回树形结构
     */
    arrayToTree(items, Id = 'id', pId = 'pid') {
        const result = []; // 存放结果集
        const itemMap = {}; //
        for (const item of items) {
            const id = item[Id];
            const pid = item[pId];

            if (!itemMap[id]) {
                itemMap[id] = {
                    children: [],
                };
            }

            itemMap[id] = {
                ...item,
                children: itemMap[id]["children"],
            };

            const treeItem = itemMap[id];

            if (pid === 0) {
                result.push(treeItem);
            } else {
                if (!itemMap[pid]) {
                    itemMap[pid] = {
                        children: [],
                    };
                }
                itemMap[pid].children.push(treeItem);
            }
        }
        return result;
    },
    getQueryVariable(variable) {
        var query = window.location.search.substring(1);
        var vars = query.split("&");
        for (var i = 0; i < vars.length; i++) {
            var pair = vars[i].split("=");
            if (pair[0] == variable) { return pair[1]; }
        }
        return (false);
    },
    /**
     * 
     * @param {Arrays} arr 数据
     * @param {Strings} uniId 根据哪个参数去重
     * @returns 对象数组去重
     */
    uniqueFunc(arr, uniId) {
        const res = new Map();
        return arr.filter(
            (item) => !res.has(item[uniId]) && res.set(item[uniId], 1)
        );
    },
    exportData(msg, status = true) {
		if (!msg) {
			this.$message.warning("导出地址获取错误，请联系开发人员处理")
			return
		}
		
		var baseUrl =BASE_IMG_URL + '/'
		
		let url =
			baseUrl + msg;
		let link = document.createElement("a");
		let fileName = "导入模板" + ".xlsx";
		document.body.appendChild(link);
		link.href = url;
		link.download = fileName;
		link.click();
		link.remove();
	},
    downloadPicBase (msg) {
        var baseUrl =BASE_IMG_URL 
		
		let imgsrc =
			baseUrl + msg;
        var image = new Image()
            // 解决跨域canvas污染问题
            image.setAttribute('crossOrigin', 'anonymous')
            image.onload = function () {
                let canvas = document.createElement('canvas')
                canvas.width = image.width
                canvas.height = image.height
                let context = canvas.getContext('2d')
                context.drawImage(image, 0, 0, image.width, image.height)
                let url = canvas.toDataURL('image/png') // 得到图片的base64编码数据
                let a = document.createElement('a')
                a.download = 'download'
                a.href = url
                a.click()
            }
        image.src = imgsrc
    },
   //base64转blob
   base64ToBlob(code) {
    const parts = code.split(';base64,');
    const contentType = parts[0].split(':')[1];
    const raw = window.atob(parts[1]);
    const rawLength = raw.length;
    const uInt8Array = new Uint8Array(rawLength);
    for (let i = 0; i < rawLength; ++i) {
      uInt8Array[i] = raw.charCodeAt(i);
    }
    return new Blob([uInt8Array], { type: contentType });
  },

//下载
downloadbase64(fileName, content) {
    const blob = this.base64ToBlob(content); // new Blob([content]);
    if (window.navigator.msSaveOrOpenBlob) {
      navigator.msSaveBlob(blob, fileName);
    } else {
      const link = document.createElement('a');
      link.href = window.URL.createObjectURL(blob);
      link.download = fileName;

      //此写法兼容可火狐浏览器
      document.body.appendChild(link);
      const evt = document.createEvent("MouseEvents");
      evt.initEvent("click", false, false);
      link.dispatchEvent(evt);
      document.body.removeChild(link);
    }
  },

    downloadPic (msg) {
        var baseUrl =BASE_IMG_URL 
		
		let imgsrc =
			baseUrl + msg;
        let x = new XMLHttpRequest()
        x.open('GET', imgsrc, true)
        x.responseType = 'blob'
        x.onload = function () {
            let url = window.URL.createObjectURL(x.response)
            let a = document.createElement('a')
            a.href = url
            a.download = 'download';
            a.click()
        }
        x.send()
    }
    
}