Nginx配置

server {  
        location / {  
            if ($request_method = 'OPTIONS') {  
              add_header 'Access-Control-Allow-Origin' '*';  
              add_header 'Access-Control-Allow-Credentials' 'true';  
              add_header 'Access-Control-Allow-Methods' 'GET,POST,OPTIONS';  
              add_header 'Access-Control-Allow-Headers' 'DNT,X-Mx-ReqToken,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type';  
             # add_header 'Access-Control-Max-Age' 1728000;  
              add_header 'Content-Type' 'text/plain charset=UTF-8';  
              add_header 'Content-Length' 0;  
              return 200;  
            }  
    }
tomcat配置
引入下载cors-filter-1.7.jar，java-property-utils-1.9.jar这两个库文件，放到lib目录下

下载地址http://search.maven.org

  
    CORS  
    com.thetransactioncompany.cors.CORSFilter  
      
     cors.allowOrigin  
        *  
      
      
     cors.supportedMethods  
        GET,HEAD,PUT,DELETE  
      
      
     cors.supportedHeaders  
        Accept,Origin,Content-Type,Last-Modified  
      
      
        cors.exposedHeaders  
        Set-Cookie  
      
      
        cors.supportsCredentials  
        true  
      
  
  
    CORS  
    /*