Files
ClassContent/历届学生/逯帅帅/项目开发/上课项目/屁桃儿/js/page/classification.js
2024-09-27 02:06:13 +08:00

88 lines
3.2 KiB
JavaScript
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

class Cation {
constructor() {
this.getCation();
// 这里的俩个数组不能直接为空数组,不然刷新之后就会被立即置空,应该是从本地里面动态的读出来的
this.topList = localStorage.getItem('type')==null?[]:JSON.parse(localStorage.getItem('type'));
this.bottomList = localStorage.getItem('bottom_type')==null?[]:JSON.parse(localStorage.getItem('bottom_type'));
}
getCation() {
//吧type里面的值赋值给空数组topList
this.topList = JSON.parse(localStorage.getItem('type'));
console.log(this.topList);
// 遍历,渲染进上面的页面
$('.top_li').html('');
$(this.topList).each((index,item) => {
$('.top_li').append(`<li>${item.title}</li>`);
})
//调用onclick函数
this.onclick();
//jq情况网页元素使用html
$('.bottom_li').html('');
//从localStorage取出来赋值
this.bottomList=JSON.parse(localStorage.getItem('bottom_type'));
//遍历渲染
$(this.bottomList).each((index,item)=>{
$('.bottom_li').append(`<li>${item.title}</li>`)
})
console.log(this.bottomList);
this.bottomLick();
}
// 点击事件函数
onclick() {
//拿到上面页面的li
$('.top_li li').each((index,item) => {
// 注册点击事件
$(item).click(()=>{
//点谁就把谁追加近bottomList
this.bottomList.push(JSON.parse(localStorage.getItem('type'))[index]);
//存入localStorage
localStorage.setItem('bottom_type',JSON.stringify(this.bottomList))
//过滤好的值查询赋值给res
let res = JSON.parse(localStorage.getItem('type')).filter((i, j) => {
//i。id就是所有的值,JSON.parse(localStorage.getItem('type'))[index].id)是我们点击时的当前值
//这句话的意思就是点击谁就把其他返回出去,点击的过滤掉
if (i.id != JSON.parse(localStorage.getItem('type'))[index].id) {
return i;
}
});
// 然后存入localStorage中,记得使用JSON.stringify()转换
localStorage.setItem('type',JSON.stringify(res));
// 在重新调用上面的方法,遍历渲染进页面,就完成了点谁去除谁的骚操作了
this.getCation();
})
})
}
bottomLick(){
$('.bottom_li li').each((j,i)=>{
$(i).click(()=>{
this.topList.push(JSON.parse(localStorage.getItem('bottom_type'))[j]);
localStorage.setItem('type',JSON.stringify(this.topList))
let msg= JSON.parse(localStorage.getItem('bottom_type')).filter((x,y)=>{
if(x.id != JSON.parse(localStorage.getItem('bottom_type'))[j].id){
return x;
}
});
localStorage.setItem('bottom_type',JSON.stringify(msg));
this.getCation();
})
})
}
}
new Cation();