carInsightSystem_wxapp/pages/varComm/pages/brand/index.js

import Dialog from '../../../../miniprogram_npm/@vant/weapp/dialog/dialog';
const app = getApp()
const words = [];
Component({
    data: {
        mockData: [],
        result: new Array(6),
        boxArr:new Array(6),
    },


    methods: {
        startCp() {
            wx.setStorageSync('brandData',this.data.boxArr)
            wx.navigateTo({                
                url: `/pages/varComm/pages/brandRatio/index`,
            })
        },
        del(index){
            console.log(index);
            console.log(123);
        },
      
        onChange(event) {
            let result = []
            if(this.data.result.at(-1)!=undefined && event.detail.length>6){
                Dialog.alert({
                    title: '提示',
                    context :this,
                    message: '至多选择6个品牌！',
                  })
            }
            for(let i =0;i<event.detail.length;i++){
                if(event.detail[i]!=undefined){
                    result.push(event.detail[i])
                }
            }
            result.length = 6
            let boxArr = result
             boxArr = boxArr.map(ele=>{
                return  ele !=undefined ? JSON.parse(ele):undefined
            })
            console.log(this.data.boxArr);
            this.setData({
                result: result,
                boxArr:boxArr
            });
        },
    },

    lifetimes: {
        attached() {
            //页面数据
            app.globalData.request({
                action: 'getUserBrand',
                token: 't%2BrswgjvzGM=',
            }).then(res => {
                let arr = []
                for (let i = 65; i <= 90; i++) {
                    arr.push({
                        name: String.fromCharCode(i),
                        data: []
                    });
                }
                for(let i of res){
                    for(let j of arr){
                        if(i.firstword == j.name){
                            j.data.push(i)
                        }
                    }
                }
                this.setData({
                    mockData:arr
                })
            })
        }
    },
})