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编码猿
2024-09-27 02:06:13 +08:00
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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();