引入jar包
cors-filter-2.6 ：http://central.maven.org/maven2/com/thetransactioncompany/cors-filter/2.6/cors-filter-2.6.jar
java-property-utils-1.9.1 ：http://central.maven.org/maven2/com/thetransactioncompany/java-property-utils/1.9.1/java-property-utils-1.9.1.jar
在web.xml加入下面过滤器代码
<filter> <filter-name>CORSfilter-name> <filter-class>com.thetransactioncompany.cors.CORSFilterfilter-class> <init-param> <param-name>cors.allowOriginparam-name> <param-value>*param-value> init-param> <init-param> <param-name>cors.supportedMethodsparam-name> <param-value>GET, POSTparam-value> init-param> <init-param> <param-name>cors.supportedHeadersparam-name> <param-value>Accept, Origin, X-Requested-With, Content-Type, Last-Modifiedparam-value> init-param> <init-param> <param-name>cors.exposedHeadersparam-name> <param-value>Set-Cookieparam-value> init-param> <init-param> <param-name>cors.supportsCredentialsparam-name> <param-value>trueparam-value> init-param> filter> <filter-mapping> <filter-name>CORSfilter-name> <url-pattern>/*url-pattern> filter-mapping>
Original: https://www.cnblogs.com/incognitor/p/11024909.html
Author: 無名之徒
Title: Java项目服务器跨域设置
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