box-client/assets/script/app/view/common/ViewBase.js

cc.Class({
    extends: cc.Component,

    properties: {

    },
    
    createComponent(type, parent, param, cb) {
        let prefabPath = G.UIMgr.defaultUIPath + JMC.UIPath[type];
        this.creawteUI(prefabPath, parent, param)
    },

    creawteUI(prefabPath, parent, param, cb, cache = false) {
        G.LogUtils.warn('showAlert', prefabPath);
        let self = this;
        cc.loader.loadRes(prefabPath, cc.Prefab, (completedCount, totalCount, item) => {
        }, (err, prefab) => {
            if (err) {
                G.AppUtils.getSceneCtrl().addToast('网络异常！');
                G.LogUtils.error('[showAlert]', err);
                if (cb) {
                    cb(undefined, 'error', err);
                }
                return;
            }

            let node = cc.instantiate(prefab);
            if (cb) {
                cb(alert, 'willShow', undefined);
            }

            let ret = self.safeAddChild(parent, node);
            if (!ret) {
                return;
            }

            let viewBase = node.getComponent(ViewBase);
            if (viewBase) {
                viewBase.init(param)
            }

            if (!cache) {
                cc.loader.releaseRes(prefabPath);
            }
        });
    },

    safeAddChild(parent, node) {
        if (!cc.isValid(node) || !cc.isValid(parent)) {
            return false;
        }

        parent.addChild(node);
        cc.game.emit('e_ui_push_alert', {node});
        return true;
    },
});