access-Control-Allow-Origin ajax
时间: 2023-10-04 20:10:52 浏览: 48
Access-Control-Allow-Origin是一个HTTP头部字段,用于指定允许访问资源的域名。该字段用于跨域资源共享(CORS)机制。默认情况下,Access-Control-Allow-Origin的值为*,表示允许任何域名访问资源。如果需要指定某个特定域名才能够跨域访问,可以将Access-Control-Allow-Origin的值设置为该域名。例如,将Access-Control-Allow-Origin的值设置为"http://www.test.com",表示只有"http://www.test.com"域名能够跨域访问资源。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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