jf-frock/src/untils/until.js

export default {
    isType(obj) {
        //类型判断
        var regexp = /\s(\w+)\]/;
        var result = regexp.exec(Object.prototype.toString.call(obj))[1];
        return result;
    },
    dateFormat(time) {
        const t = new Date(time * 1000);
        // 日期格式
        const format = 'Y-m-d h:i:s';
        const year = t.getFullYear();
        // 由于 getMonth 返回值会比正常月份小 1
        const month = t.getMonth() + 1;
        const day = t.getDate();
        const hours = t.getHours();
        const minutes = t.getMinutes();
        const seconds = t.getSeconds();
        const hash = {
            Y: year,
            m: month,
            d: day,
            h: hours,
            i: minutes,
            s: seconds,
        };
        return format.replace(/\w/g, (o) => {
            return hash[o];
        });
    },
    replaceDate(str, flag) {
        //时间戳转换
        if (str) {
            str = str.toString().length == 10 ? str * 1000 : str;
            let now = str ? new Date(str) : new Date(),
                y = now.getFullYear(),
                m = now.getMonth() + 1,
                d = now.getDate();
            if (flag) {
                return y + '-' + (m < 10 ? '0' + m : m) + '-' + (d < 10 ? '0' + d : d);
            }
            return (
                y +
                '-' +
                (m < 10 ? '0' + m : m) +
                '-' +
                (d < 10 ? '0' + d : d) +
                ' ' +
                now.toTimeString().substr(0, 8)
            );
        } else {
            return null;
        }
    },
    replaceDateNoHMS(str) {
        //时间戳转换
        if (str) {
            str = str.toString().length == 10 ? str * 1000 : str;
            let now = str ? new Date(str) : new Date(),
                y = now.getFullYear(),
                m = now.getMonth() + 1,
                d = now.getDate();
            return y + '-' + (m < 10 ? '0' + m : m) + '-' + (d < 10 ? '0' + d : d);
        } else {
            return null;
        }
    },
    //时间转换
    setDate(time) {
        let data = '';
        if (Object.prototype.toString.call(time) === '[object Date]') {
            data = new Date(time).toLocaleDateString().replace(/\//g, '-');
        }
        return data;
    },
    uniquesObjs(obj) {
        //去除统一数组中相同的对象
        let uniques = [];
        let stringify = {};
        for (let i = 0; i < obj.length; i++) {
            let keys = Object.keys(obj[i]);
            keys.sort(function(a, b) {
                return Number(a) - Number(b);
            });
            let str = '';
            for (let j = 0; j < keys.length; j++) {
                str += JSON.stringify(keys[j]);
                str += JSON.stringify(obj[i][keys[j]]);
            }
            if (!stringify.hasOwnProperty(str)) {
                uniques.push(obj[i]);
                stringify[str] = true;
            }
        }
        uniques = uniques;
        return uniques;
    },
    throttle(func, wait) {
        //节流
        let timer = null;
        let fn = function() {
            if (!timer) {
                let args = Array.from(arguments);
                timer = setTimeout(() => {
                    func.apply(this, args);
                    timer = null;
                }, wait);
            }
        };
        return fn;
    },
    shake(func, t) {
        //防抖
        let fn = function() {
            let args = Array.from(arguments);
            clearTimeout(func.id);
            func.id = setTimeout(() => {
                func.apply(this, args);
            }, t);
        };
        return fn;
    },
    objToParams(obj) {
        let result = '';
        for (let i in obj) {
            result += `&${i}=${obj[i]}`;
        }
        result = '?' + result.substr(1, result.length - 1);
        return result;
    },
    computedForm(array, header) {
        const result = array.reduce((pre, cur) => {
            const data = header.filter(
                (row) => cur.is_show && row.serverName == cur.key
            );
            if (data && data.length == 1) {
                return pre.concat(data);
            } else {
                return pre;
            }
        }, []);
        return result;
    },
    computedHeader(array, header) {
        const result = array.reduce((pre, cur) => {
            const data = header.filter((row) => (cur.is_show && row.key == cur.key) && (row.title = cur.value));
            if (data && data.length == 1) {
                return pre.concat(data);
            } else {
                return pre;
            }
        }, []);
        return result;
    },
};