nginx プロキシ マップをキャッシュとして使用してクロスドメインの問題を解決する方法

// 采用openlayers加载天地图 var layer = new ol.layer.tile({ source: new ol.source.xyz({ // crossorigin: 'anonymous', // 是否请求跨域操作 url: url // 天地图地址 }) });

#user nobody; worker_processes 4; #error_log logs/error.log; #error_log logs/error.log notice; #error_log logs/error.log info; #pid logs/nginx.pid; events { worker_connections 1024; } http { include mime.types; default_type application/octet-stream; #log_format main '$remote_addr - $remote_user [$time_local] "$request" ' # '$status $body_bytes_sent "$http_referer" ' # '"$http_user_agent" "$http_x_forwarded_for"'; #access_log logs/access.log main; sendfile on; #tcp_nopush on; #keepalive_timeout 0; keepalive_timeout 65; #gzip on; client_max_body_size 20m; 　　 # 关键代码块1 proxy_temp_path ../proxy_cache/tianditu_temp; proxy_cache_path ../proxy_cache/tianditu levels=1:2 keys_zone=cache_one:200m inactive=1d max_size=30g; upstream tianditu_server { server t0.tianditu.com weight=1 max_fails=2 fail_timeout=30s; server t1.tianditu.com weight=1 max_fails=2 fail_timeout=30s; server t2.tianditu.com weight=1 max_fails=2 fail_timeout=30s; server t3.tianditu.com weight=1 max_fails=2 fail_timeout=30s; server t4.tianditu.com weight=1 max_fails=2 fail_timeout=30s; server t5.tianditu.com weight=1 max_fails=2 fail_timeout=30s; server t6.tianditu.com weight=1 max_fails=2 fail_timeout=30s; } server { listen 8088; server_name localhost; #charset koi8-r; #access_log logs/host.access.log main; 　　　　 # 关键代码块2 location /dataserver { more_set_headers 'access-control-allow-origin: *'; add_header access-control-allow-headers x-requested-with; add_header access-control-allow-methods get,post,options; proxy_cache cache_one; proxy_cache_key $uri$is_args$args; proxy_pass http://tianditu_server/dataserver; } } }