When a certain level is selected, the options under that level are dynamically loaded.
Only three categories are displayed in the html code box. Delete: show-all-levels=“false” and all paths will be displayed
<el-form-item label="商品类目：" v-if="navstate==-1">
<el-cascader v-model="preSearchForm.class" :props="props" :show-all-levels="false"></el-cascader>
</el-form-item>
js code buckleTemplateNext category interface name props is placed in data
props: {
lazy: true,
lazyLoad (node, resolve) {
const {
level,value } = node;
buckleTemplateNext({
pid:value || 0}).then(res=>{
console.log(res)
const nodes = res.map(x=>({
value: x.id,
label: x.name,
leaf: level >= 2
}))
resolve(nodes)
})
}
}
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