zx_flk_app/common/event.js

/**
 * 通用函数
 */
//创建EventBus对象
let EventBus = function () {
    console.log('eventbus init...');
}; //准备数组容器

var objBus = [],
    arrbus = []; //添加方法

EventBus.prototype = {
    obj: {
        set: function (key, action) {
            if (key && action) {
                var map = {};
                map.k = key;
                map.v = action; //如果存在，则删除之前添加的事件

                for (var i = 0, busLength = objBus.length; i < busLength; i++) {
                    var tempMap = objBus[i];

                    if (tempMap.k == key) {
                        objBus.splice(i, 1);
                    }
                }

                objBus.push(map);
            }
        },
        get: function (key) {
            if (key) {
                for (var i = 0, busLength = objBus.length; i < busLength; i++) {
                    var map = objBus[i];

                    if (map.k == key) {
                        return map.v();
                    }
                }
            }
        }
    },
    emit: function (key, data) {
        if (key) {
            for (var i = 0, busLength = arrbus.length; i < busLength; i++) {
                var map = arrbus[i];

                if (map.k == key) {
                    return map.v(data);
                }
            }
        }

        return new Promise((resolve, reject) => {
            resolve();
        });
    },
    on: function (key, action) {
        if (key && action) {
            var map = {};
            map.k = key;
            map.v = action;
            arrbus.push(map);
        }
    },
    arr: {
        push: function (key, action) {
            if (key && action) {
                var map = {};
                map.k = key;
                map.v = action;
                arrbus.push(map);
            }
        },
        pop: function (key) {
            if (key) {
                for (var i = 0, busLength = arrbus.length; i < busLength; i++) {
                    var map = arrbus[i];

                    if (map.k == key) {
                        map.v();
                    }
                }
            }
        }
    }
};
var eventBus = new EventBus();
module.exports = {
    eventBus: eventBus
};