Tag: Access-Control-Allow-Headers
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Post Views: 17 1. In yii2, when the server is abnormal, it does not respond to 500, but prompts in the browser: CORS error, which leads to user experience, the front end has been loaded all the time. The prompts in the console are as follows, as shown in Figure 1 2. The existing logic is in the browser, the…
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Post Views: 95 1. In the Google Chrome browser, after today’s Toutiao is opened, it is blank, as shown in Figure 1 2. Check the console, report an error: access to xmlHttpRequest athttps://verify.snssdk.com/reportErrorfrom originhttps://www.toutiao.comHas been blocked by cors policy: request header field ra-ver is not allowed by access-control-allow-headers in preflight Response. As shown in Figure 2 3. Clear browsing data,…