Search Box and Checkbox filter with Vue

问题

I am trying to build filter system with Vue.

Updated

Filters working, but all the functions computed are separeted functions. So How can I make those in one function and use it.

export default {

    data() {
        return {
            estates: [],
            search: '',
            regions:['関西','関東','京橋'],
            checkedRegions:[]
        }
    },
    created(){
        axios.get('/ajax').then((response) => {
            this.estates = response.data;
        });
    },
    computed: {
        one: function() {
            var result =  this.estates.filter((estate) =>
                estate.building_name.match(this.search)
            );
            if(this.checkedRegions.length && this.checkedRooms.length) {
                return result.filter(estate => this.checkedRegions.includes(estate.region) && this.checkedRooms.includes(estate.rooms))
            }
            return result;
        }
    }
}

<div class="container-fluid">
        <div class="row">
            <div class="col-md-9">
                <input type="text" v-model="search" name="" placeholder="search estate" value="">
                <div v-for="estate in filteredestate" class="card-body">
                    <h2>{{estate.building_name}}</h2>
                    <p>{{estate.address}}</p>
                </div>
            </div>
        </div>
    </div>

filteredestate filteredRegions and filteredRooms make one function. for example how to return those function with && ? And use it in this div.

<div v-for="estate in oneFunction" class="card-body">

回答1:

Set your filter search result first as variable and you can check filter by or(||) expression !

I modified this inside arrow function by setting to that variable and on the last line return result as default

one: function() {
  var that = this;
  var result =  this.estates.filter((estate) =>
    estate.building_name == that.search;
  );
  if(this.checkedRegions.length || this.checkedRooms.length) {
    return result.filter(estate => that.checkedRegions.includes(estate.region) || that.checkedRooms.includes(estate.rooms))
    }
  // when region and room length is 0
  return result;
  }
}

回答2:

rooms and regions are arrays. So you need to iterate through these arrays in order to render the checkboxes.

instead of this:

<input type="checkbox" v-model="checkedLocations"  v-bind:value="regions">関東 <input/>
<input type="checkbox" v-model="checkedLocations"  v-bind:value="regions">関西 <input/>
<input type="checkbox" v-model="checkedLocations"  v-bind:value="regions">北海道<input/>

should be like this:

<template v-for="region in regions">
  <input type="checkbox" v-model="checkedLocations"  v-bind:value="region.id">region.region<input/>
</template>        

similar should be done with rooms.

Also, in js part, you have checkedRegions while in template you have checkedLocations. I guess this should be too checkedRegions.

来源：https://stackoverflow.com/questions/54415053/search-box-and-checkbox-filter-with-vue