twong329/view/xcx/components/navbar/index.js

var app = getApp();

Component({
    properties: {
        parameter: {
            type: Object,
            value: {
                class: '0'
            },
        },
        logoUrl: {
            type: String,
            value: '',
        }
    },

    data: {
        navH: ""
    },

    ready: function () {
        this.setClass();
        var pages = getCurrentPages();
        if (pages.length <= 1) this.setData({
            'parameter.return': 0
        });
    },

    attached: function () {
        this.setData({
            navH: app.globalData.navHeight
        });
    },

    methods: {
        return: function () {
            wx.navigateBack({
                delta: 1
            });
            // var pages = getCurrentPages();
            // wx.navigateBack({
            //   delta: pages.length-2
            // });
        },
        
        setGoodsSearch: function () {
            wx.navigateTo({
                url: '/pages/goods_search/index',
            })
        },
        
        setClass: function () {
            var color = '';
            switch (this.data.parameter.class) {
                case "0":
                case 'on':
                    color = 'on'
                    break;
                case '1':
                case 'black':
                    color = 'black'
                    break;
                case '2':
                case 'gray':
                    color = 'gray'
                    break;
                case '3':
                case "red":
                    color = 'red'
                    break;
                case '4':
                case "gradual01":
                    color = 'gradual01'
                    break;
                case '5':
                case "gradual02":
                    color = 'gradual02'
                    break;
                default:
                    break;
            }
            this.setData({
                'parameter.class': color
            })
        }
    }
})