whycq
2024-03-28 e17108966ccfcaee2bef8d981601c79c8716e304
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<template>
    <view>
        <uni-icons class="p-icon"
            type="scan" 
            size="16" 
            color="#a6a6a6" 
            @click="scanCode"
            >
            </uni-icons>
        <input v-model="data" @input="change" >
    </view>
</template>
 
<script>
    export default {
        name:"zzz",
        data() {
            return {
                data: ''
            };
        }, 
        props: {
            value: {
                type: String,
                default: ""
            },
        },
        watch: {
            data(val){
                if (val.length != 8) {
                    setTimeout(()=>{
                        this.data = ''
                        // this.value = '9999'
                        this.$emit('input','')
                    },0)
                } else {
                    this.$emit('input',val)
                }
            },
            value(val) {
                this.data = val
            }
        },
        created() {
            this.data = this.value
        },
        methods: {
            change() {
                this.$emit('change1')
            },
            scanCode() {
                let _this = this
                uni.scanCode({
                    onlyFromCamera: true,
                    success(res) {
                        _this.$parent.scanCode(res.result)
                        _this.data = res.result
                        _this.value = res.result
                        console.log('扫到了');
                        console.log(res);
                    }
                })
            }
        }
    }
</script>
 
<style>
 
</style>