ElementUI 之 Cascader 级联选择器回显

级联选择器多选功能回显

// 选择器赋值 去除为children空数组 
traverse(arr,value) {
    if(arr.length){
        arr.forEach(item => {
            Vue.set(item,"name",item.label.name)
            Vue.set(item,"id",item.label.id)
            if (item.hasOwnProperty("children")&&item.children.length) {
                idArr.push(item.label.id)
                this.traverse(item.children,value);
            } else {
                if(idArr.length!=0){
                    idArrBox=[...idArr]
                }
                idArr=[]
                if(!library.isNull(item.label.modelStorageId)){
                    if(item.label.modelJsonList[0].guid===value){
                        idArrBox.push(item.label.id)
                        this.entityArr.push(idArrBox)
                        this.entityArrCopy=[...this.entityArr]
                        return
                    }
                }
                //禁用类别
                if(!item.label.modelStorageId){
                    Vue.set(item,"disabled",true)
                }
                delete item.children;
            }  
        });
    }
    return arr
},

级联选择器单选功能回显

traverse(arr,num) {
    if(arr.length){
        arr.forEach(item => {
            if(item.label.id==num){
                    idArr.push(item.label.id)
                    idArrBox=idArr
            }
            Vue.set(item,"name",item.label.name)
            Vue.set(item,"id",item.label.id)
            if (item.children.length) {
                idArr.push(item.label.id)
                this.traverse(item.children,num); //递归遍历
            } else {
                idArr=[]
                delete item.children;//如果是值就显示
            }                    
        });
    }
    return arr
},