axios第一次请求返回的数据再作为第二次请求的参数

created() {const _this = this;axios.get(\"http://localhost:8181/invoice/findByNumber\", {params: { invoicecodeleft: this.$route.query.invoicecodeleft }}).then(function(resp) {_this.formValidate = resp.data;axios.get(\"http://localhost:8181/merchants/findByNumber\", {params: { merchantnumber:resp.data.purchasernumber }}).then(function(resp1) {_this.merchants1 = resp1.data;});});},