<el-input ref="barCodeInput" clearable placeholder="请输入物料号" v-model="form.carCode"  size="small" @keyup.enter.native="payCode"></el-input>

   payCode(){
        this.$nextTick(() => {
            this.$refs["barCodeInput"].focus();            
            this.$refs["barvin"].focus();
        })
        console.log('-----------',this.form.carCode)
        if(this.form.carCode.length>=15){
          let data={
              carCode:this.form.carCode
          }
          ruleCodeCheck(data).then((response) => {
              // console.log("ruleCodeDesc",response)
              if (response.code==200) {
                this.form.ruleCodeDesc=response.data.ruleCodeDesc
                this.$forceUpdate();
              }else{
                this.form.ruleCodeDesc=''
                this.$forceUpdate();
              }
          })
        }else{
          this.$modal.msgError("编码长度不正确");
        }
          //这里进行扫码枪扫码后的操作，调后台接口
      },