1. 如果play框架是2.5
1.1添加一个新类
package filters
import javax.inject.Inject
import play.api.http.DefaultHttpFilters
import play.filters.cors.CORSFilter
class CorsFilter @Inject()(corsFilter: CORSFilter)
extends DefaultHttpFilters(corsFilter)

1.2 在application.conf中添加
play.http.filters = filters.CorsFilter
play.filters {
cors {
# Filter paths by a whitelist of path prefixes
pathPrefixes = ["/"]
# The allowed origins. If null, all origins are allowed.
allo