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uni-app 商城选择商品左右菜单联动效果实现,字节跳动高工面试

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},

{

title: “菜单2”,

list: [“盖饭2”, “大白菜2”, “土豆2”, “西红柿2”, “辣椒2”]

},

{

title: “菜单3”,

list: [“盖饭3”, “大白菜3”, “土豆3”, “西红柿3”, “辣椒3”]

},

{

title: “菜单4”,

list: [“盖饭4”, “大白菜4”, “土豆4”, “西红柿4”, “辣椒4”]

},

{

title: “菜单5”,

list: [“盖饭5”, “大白菜5”, “土豆5”, “西红柿5”, “辣椒5”]

},

{

title: “菜单6”,

list: [“盖饭6”, “大白菜6”, “土豆6”, “西红柿6”, “辣椒6”]

},

{

title: “菜单7”,

list: [“盖饭7”, “大白菜7”, “土豆7”, “西红柿7”, “辣椒7”]

},

{

title: “菜单8”,

list: [“盖饭8”, “大白菜8”, “土豆8”, “西红柿8”, “辣椒8”]

},

{

title: “菜单9”,

list: [“盖饭9”, “大白菜9”, “土豆9”, “西红柿9”, “辣椒9”]

},

{

title: “菜单10”,

list: [“盖饭10”, “大白菜10”, “土豆10”, “西红柿10”, “辣椒10”]

},

{

title: “菜单11”,

list: [“盖饭11”, “大白菜11”, “土豆11”, “西红柿11”, “辣椒11”]

},

{

title: “菜单12”,

list: [“盖饭12”, “大白菜12”, “土豆12”, “西红柿12”, “辣椒12”]

},

{

title: “菜单13”,

list: [“盖饭13”, “大白菜13”, “土豆13”, “西红柿13”, “辣椒13”]

}

],

windowHeight: ‘0px’,

clickId: ‘’,

clickToId:’’,

currentNum: 0,

topList:[],

isLeftClick:false

};

},

methods: {

setId(index) {

this.clickId = “po” + index;

this.isLeftClick=true;

this.currentNum=index;

},

scroll(e){

if(this.isLeftClick){

this.isLeftClick=false;

return;

}

let scrollTop=e.target.scrollTop;

for (let i = 0; i < this.topList.length; i++) {

let h1=this.topList[i];

let h2=this.topList[i+1];

if(scrollTop>=h1&&scrollTop<h2){

this.currentNum=i;

this.clickToId=‘to’+i

}

}

},

getNodesInfo(){

const query = uni.createSelectorQuery().in(this);

query.selectAll(’.right_title’).boundingClientRect().exec((res)=>{

console.log(res)

let nodes=res[0];

let rel=[];

nodes.map(item=>{

rel.push(item.top);

})

console.log(rel)

this.topList=rel;

});

}

},

onLoad() {

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[外链图片转存中…(img-7HTo630n-1643961267580)]

标签:菜单,title,app,大白菜,list,盖饭,高工,uni,Android
来源: https://blog.csdn.net/m0_66264910/article/details/122783761