channel_business/components/tabbar/tabbar.js

// components/tabbar/tabbar.js
const app = getApp()
Component({
    /**
     * 组件的属性列表
     */
    properties: {
        currentIndex: {
            type: String,
            value: '0',
        }
    },

    /**
     * 组件的初始数据
     */
    data: {
        list: [
            {
                text: "首页",
                pagePath: "/pages/index/index",
                iconPath: "/images/tabbar/home-bar.png",
                selectedIconPath: "/images/tabbar/home-bar.png",
            },
            {
                text: "发布需求",
                pagePath: "/pages/releaseModule/index",
                iconPath: "/images/tabbar/release-bar.png",
                selectedIconPath: "/images/tabbar/release-bar.png",
            },
            {
                text: "消息",
                pagePath: "/pages/msgModule/index",
                iconPath: "/images/tabbar/msg-bar.png",
                selectedIconPath: "/images/tabbar/msg-bar.png",
            },
            {
                text: "我的",
                pagePath: "/pages/myModule/index",
                iconPath: "/images/tabbar/my-bar.png",
                selectedIconPath: "/images/tabbar/my-bar.png",
            },
        ]
    },

    /**
     * 组件的方法列表
     */
    methods: {
        tabChange(e) {
            console.log(e);
            if (e.detail.item.text == "发布需求" || e.detail.item.text == "消息") {
                if (!app.globalData.customerId) {
                    app.goLogin();
                    this.setData({
                        currentIndex: this.data.currentIndex
                    })
                    return
                }
            }
            
            const url = e.detail.item.pagePath;
            // wx.redirectTo({ url });
            wx.navigateTo({
                url,
                // success: function (res) {
                //     // 通过eventChannel向被打开页面传送数据
                //     res.eventChannel.emit('customerid', { customerid })
                // }
            })
        }
    }
})