fragranttown/assets/Script/UI/ProgressBar.js

cc.Class({
    extends: cc.Component,

    properties: {
        ProgressBarNode: {
            default: null,
            type: cc.Node,
        },
    },

    start () {
        this.SetBarLength(1);
    },

    SetBarLength:function (BarLength) {//BarLength(0~1,float)
        this.ProgressBarNode.getComponent(cc.ProgressBar).progress = BarLength;
    }
});