[Nginx] 教你利用Nginx 服务搭建子域环境提升二维地图加载性能的步骤

server {
    listen     8881;
    listen     8882;
    listen     8883;
    listen     8884;
    listen     8885;
    server_name  127.0.0.1,172.16.15.124;
    location / {
      root   html;
      index  index.html index.htm;
    }
 
    location /iserver {
      proxy_pass   http://172.16.15.124:8090;
      proxy_redirect off;
      proxy_buffering off;
      proxy_set_header host $host:$server_port;
      proxy_set_header x-real-ip $remote_addr;
      proxy_set_header x-forwarded-for $proxy_add_x_forwarded_for;
 
    }

var map= "";
  map = l.map('map', {
    crs: l.crs.epsg4326,
    center: [0, 0],
    maxzoom: 18,
    zoom: 1
  });
  l.supermap.tiledmaplayer("http://127.0.0.1:{s}/iserver/services/map-world/rest/maps/world",{subdomains:[8881,8882,8883,8884]}).addto(map);

var map, url = "http://127.0.0.1:888{1-4}/iserver/services/map-world/rest/maps/world/zxytileimage.png?z={z}&x={x}&y={y}";
   map = new ol.map({
     target: 'map',
     controls: ol.control.defaults({attributionoptions: {collapsed: false}})
       .extend([new ol.supermap.control.logo()]),
     view: new ol.view({
       center: [0, 0],
       zoom: 2,
       projection: 'epsg:3857',
       multiworld: true
     })
   });
   var layer = new ol.layer.tile({
     source: new ol.source.xyz({
       url: url,
       wrapx: true
     }),
     projection: 'epsg:3857'
   });
   map.addlayer(layer);
   map.addcontrol(new ol.supermap.control.scaleline());

var map, layer,
    host = window.islocal ? window.server : "https://iserver.supermap.io",
    url = host + "/iserver/services/map-world/rest/maps/world";
  //初始化地图
  map = new supermap.map("map", {
    controls: [
      new supermap.control.navigation(),
      new supermap.control.zoom()]
  });
  map.addcontrol(new supermap.control.mouseposition());
  //初始化图层
  layer = new supermap.layer.tileddynamicrestlayer("world", ["http://127.0.0.1:8881/iserver/services/map-world/rest/maps/world","http://127.0.0.1:8882/iserver/services/map-world/rest/maps/world","http://127.0.0.1:8883/iserver/services/map-world/rest/maps/world"], null, {maxresolution: "auto"});
  //监听图层信息加载完成事件
  layer.events.on({"layerinitialized": addlayer});
  function addlayer() {
    map.addlayer(layer);
    //显示地图范围
    map.setcenter(new supermap.lonlat(0, 0), 0);

var host = window.islocal ? window.server : 'https://iserver.supermap.io';
      var map = new mapboxgl.map({
        container: 'map', // container id
        style: {
          version: 8,
          sources: {
            'raster-tiles': {
              type: 'raster',
              tilesize: 256,
              tiles: ["http://127.0.0.1:8881/iserver/services/map-world/rest/maps/world","http://127.0.0.1:8882/iserver/services/map-world/rest/maps/world","http://127.0.0.1:8883/iserver/services/map-world/rest/maps/world"],
              rastersource: 'iserver'
            }
          },
 
          layers: [
            {
              id: 'simple-tiles',
              type: 'raster',
              source: 'raster-tiles',
              minzoom: 0,
              maxzoom: 22
            }
          ]
        },
        crs: 'epsg:4326', // 或者 mapboxgl.crs.epsg4326  或者 new mapboxgl.crs('epsg:4326',[-180,-90,180,90]);
        center: [0, 0],
        zoom: 2
      });