method: 'GET',
headers: {
'Accept': 'application/json',
form-urlencoded
'Content-Type': 'application/json;charset=utf-8'
},
mode : 'cors' //实现跨域
// headers: form.getHeaders()
我们使用了mode : 'cors' //实现跨域
的方法,但是还是不能跨域,后台的token取不到,所有接口中的信息都调不到,全部报错信息为:
Fetch API cannot load http://devapi.jiaj1.com.cn:8080/masterdatas/geo/provinces. Response to preflight request doesn't pass access control check: A wildcard '*' cannot be used in the 'Access-Control-Allow-Origin' header when the credentials flag is true. Origin 'http://localhost:8080' is therefore not allowed access.
undefined:1 Uncaught (in promise) TypeError: Failed to fetch(…)
抱大腿了,请问该怎么解决?
引用文字
你用浏览器开发工具抓一下请求,应该已经请求成功,但是可能服务器没有返回合适的Access-Control-Allow-Origin头。