Util

import Vue from 'vue'

var loading;
//js常用函数
class Util {
    
    static showLoading() {
        loading = Vue.prototype.$loading({
            lock: true,
            text: "拼命加载中",
            // target: '.main_content', //默认为body
            background: "rgba(0, 0, 0, 0.2)"
        });
    }
    static hideLoading() {
        loading.close();
    }

    //加减乘除
    static add(arg1, arg2) {
        var r1, r2, m;
        try { r1 = arg1.toString().split(".")[1].length } catch (e) { r1 = 0 };
        try { r2 = arg2.toString().split(".")[1].length } catch (e) { r2 = 0 };
        m = Math.pow(10, Math.max(r1, r2));
        return (arg1 * m + arg2 * m) / m;
    }

    static sub(arg1, arg2) {
        var r1, r2, m, n;
        try { r1 = arg1.toString().split(".")[1].length; } catch (e) { r1 = 0; }
        try { r2 = arg2.toString().split(".")[1].length; } catch (e) { r2 = 0; }
        m = Math.pow(10, Math.max(r1, r2));
        n = (r1 >= r2) ? r1 : r2;//动态控制精度长度
        return ((arg1 * m - arg2 * m) / m).toFixed(n);
    }

    static mul(arg1, arg2) {
        var m = 0, s1 = arg1.toString(), s2 = arg2.toString();
        try { m += s1.split(".")[1].length } catch (e) { };
        try { m += s2.split(".")[1].length } catch (e) { };
        return Number(s1.replace(".", "")) * Number(s2.replace(".", "")) / Math.pow(10, m);
    }

    static success = (that, msg) => that.$message({
        message: msg || '成功',
        type: 'success',
    })
    static warning = (that, msg) => that.$message({
        message: msg || '错误',//用户名或密码
        type: 'warning',
    })
    static cancel = (that, msg) => that.$message({
        message: msg || '取消',//用户名或密码
        type: 'info',
    })

};

export default Util