现在在用react-router做一个SPA应用,也存在跨域问题,但是我在网上看见别人有的web页面可以请求到,是不是别人自己用服务器做处理了?项目地址fetch(getLatestNews(),{ method: 'GET', mode: 'cors', }) .then((response) => { console.log(response) if (response.ok) { return response.json() } }) .then((responseData) => { this.setState({ isLoaded: true, }) }) .catch(() => { this.setState({ isLoaded: false, }) });警告Fetch API cannot load http://news-at.zhihu.com/api/... No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'http://www.xboxyan.com' is therefore not allowed access. If an opaque response serves your needs, set the request's mode to 'no-cors' to fetch the resource with CORS disabled.
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