javascript - vue 2.0 uses vue+webpack+vue-resource to build an environment. When running this.$http.post() locally, does it report an error?

Question

In vue 2.0, in the environment built with vue webpack vue-resource, when running this.$http.post() locally... does it report an error?

Answer 1

You are reporting a cross-domain error. Please check if there is any problem with the interface first!

Answer 2

It’s cross-domain, big brother.

• Solution 1: Backend engineers are required to cooperate in setting Access-Control-Allow-Origin to *

一定要设置 {emulateJSON: true},不然跨域不成功. 
如果Web服务器无法处理编码为application/json的请求，你可以启用emulateJSON选项。启用该选项后，请求会以application/x-www-form-urlencoded作为MIME type，就像普通的HTML表单一样

• Solution 2: this.$http.jsonp('...', { credentials: true }) Use JSONP

Off topic: It is recommended to use axios vue-resource to officially stop maintenance in the future. It is almost the same in use