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java - 启用 CORS Apache Tomcat 7.0.52

转载 作者:行者123 更新时间:2023-11-28 22:19:01 26 4
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我一直在尝试在我的 Microsoft Azure Apache Tomcat 服务器上启用 CORS,并且尝试了很多技术,但我仍然无法启动和运行 CORS。我已将它添加到 web.xml 文件中,但没有成功启用它。

<filter>
<filter-name>CorsFilter</filter-name>
<filter-class>org.apache.catalina.filters.CorsFilter</filter-class>
<init-param>
<param-name>cors.allowed.origins</param-name>
<param-value>*</param-value>
</init-param>
<init-param>
<param-name>cors.allowed.methods</param-name>
<param-value>GET,POST,HEAD,OPTIONS,PUT</param-value>
</init-param>
<init-param>
<param-name>cors.allowed.headers</param-name>
<param-value>Content-Type,X-Requested-With,accept,Origin,Access-Control-Request-Method,Access-Control-Request-Headers</param-value>
</init-param>
<init-param>
<param-name>cors.exposed.headers</param-name>
<param-value>Access-Control-Allow-Origin,Access-Control-Allow-Credentials</param-value>
</init-param>
<init-param>
<param-name>cors.support.credentials</param-name>
<param-value>true</param-value>
</init-param>
<init-param>
<param-name>cors.preflight.maxage</param-name>
<param-value>10</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>CorsFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>

我不断收到错误:

XMLHttpRequest cannot load url&output=json. No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'http://url.net' is therefore not allowed access.

关于如何快速实现这一点有什么建议吗?我一直在网上查看大量资源,但不幸的是我无法使用它。期待您的建议。

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