方式1：手动一个个添加

左侧浏览器-XYZ Tiles-右键-新建连接

例如添加高德瓦片地址 https://wprd01.is.autonavi.com/appmaptile?lang=zh_cn&size=1&style=7&x={x}&y={y}&z={z}

双击即可呈现

收集到的一些图源，仅供参考，其中一些图源国界线有问题请注意使用。

方式2：这个保存成一个xml文件，通过“加载连接”一次性全部添加上

<!DOCTYPE connections>
<qgsXYZTilesConnections version="1.0">
    <xyztiles username="" url="https://server.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer/tile/{z}/{y}/{x}" zmin="0" zmax="17" password="" referer="" authcfg="" tilePixelRatio="0" name="Esri卫星"/>
    <xyztiles username="" url="https://server.arcgisonline.com/ArcGIS/rest/services/World_Terrain_Base/MapServer/tile/{z}/{y}/{x}" zmin="0" zmax="13" password="" referer="" authcfg="" tilePixelRatio="0" name="Esri地形"/>
    <xyztiles username="" url="https://server.arcgisonline.com/ArcGIS/rest/services/World_Street_Map/MapServer/tile/{z}/{y}/{x}" zmin="0" zmax="17" password="" referer="" authcfg="" tilePixelRatio="0" name="Esri矢量"/>
    <xyztiles username="" url="https://tile.opentopomap.org/{z}/{x}/{y}.png" zmin="1" zmax="17" password="" referer="" authcfg="" tilePixelRatio="0" name="OpenStreetMap地形"/>
    <xyztiles username="" url="https://tile.openstreetmap.org/{z}/{x}/{y}.png" zmin="0" zmax="19" password="" referer="" authcfg="" tilePixelRatio="0" name="OpenStreetMap矢量"/>
    <xyztiles username="" url="http://mt0.google.cn/vt/lyrs=t&amp;hl=zh-CN&amp;gl=cn&amp;x={x}&amp;y={y}&amp;z={z}" zmin="0" zmax="18" password="" referer="" authcfg="" tilePixelRatio="0" name="google地形"/>
    <xyztiles username="" url="http://t0.tianditu.com/img_w/wmts?service=wmts&amp;request=GetTile&amp;version=1.0.0&amp;LAYER=img&amp;tileMatrixSet=w&amp;TileMatrix={z}&amp;TileRow={y}&amp;TileCol={x}&amp;style=default&amp;format=tiles&amp;tk=40b190683706230fade806c1ac8c14e8" zmin="0" zmax="18" password="" referer="" authcfg="" tilePixelRatio="0" name="天地图影像"/>
    <xyztiles username="" url="http://t0.tianditu.com/cva_w/wmts?service=wmts&amp;request=GetTile&amp;version=1.0.0&amp;LAYER=cva&amp;tileMatrixSet=w&amp;TileMatrix={z}&amp;TileRow={y}&amp;TileCol={x}&amp;style=default&amp;format=tiles&amp;tk=40b190683706230fade806c1ac8c14e8" zmin="0" zmax="18" password="" referer="" authcfg="" tilePixelRatio="0" name="天地图注记"/>
    <xyztiles username="" url="http://t0.tianditu.com/vec_w/wmts?service=wmts&amp;request=GetTile&amp;version=1.0.0&amp;LAYER=vec&amp;tileMatrixSet=w&amp;TileMatrix={z}&amp;TileRow={y}&amp;TileCol={x}&amp;style=default&amp;format=tiles&amp;tk=40b190683706230fade806c1ac8c14e8" zmin="0" zmax="18" password="" referer="" authcfg="" tilePixelRatio="0" name="天地图矢量"/>
    <xyztiles username="" url="http://ecn.t3.tiles.virtualearth.net/tiles/a{q}.jpeg?g=1" zmin="1" zmax="19" password="" referer="" authcfg="" tilePixelRatio="0" name="必应卫星"/>
    <xyztiles username="" url="https://mt1.google.com/vt/lyrs=s&amp;x={x}&amp;y={y}&amp;z={z}" zmin="0" zmax="19" password="" referer="" authcfg="" tilePixelRatio="0" name="谷歌卫星"/>
    <xyztiles username="" url="https://mt1.google.com/vt/lyrs=m&amp;x={x}&amp;y={y}&amp;z={z}" zmin="0" zmax="19" password="" referer="" authcfg="" tilePixelRatio="0" name="谷歌矢量"/>
    <xyztiles username="" url="https://api.jl1mall.com/getMap/{z}/{x}/{-y}?mk=2d9bf902749f1630bc25fc720ba7c29f&amp;tk=6a1976c931d388deb9980e6aa81fb842" zmin="0" zmax="18" password="" referer="" authcfg="" tilePixelRatio="0" name="长光"/>
    <xyztiles username="" url="https://webst01.is.autonavi.com/appmaptile?style=6&amp;x={x}&amp;y={y}&amp;z={z}" zmin="0" zmax="18" password="" referer="" authcfg="" tilePixelRatio="0" name="高德卫星"/>
    <xyztiles username="" url="https://wprd01.is.autonavi.com/appmaptile?lang=zh_cn&amp;size=1&amp;style=6&amp;x={x}&amp;y={y}&amp;z={z}" zmin="0" zmax="18" password="" referer="" authcfg="" tilePixelRatio="0" name="高德卫星新版"/>
    <xyztiles username="" url="https://webst01.is.autonavi.com/appmaptile?style=7&amp;x={x}&amp;y={y}&amp;z={z}" zmin="0" zmax="18" password="" referer="" authcfg="" tilePixelRatio="0" name="高德矢量"/>
    <xyztiles username="" url="https://wprd01.is.autonavi.com/appmaptile?lang=zh_cn&amp;size=1&amp;style=7&amp;x={x}&amp;y={y}&amp;z={z}" zmin="0" zmax="18" password="" referer="" authcfg="" tilePixelRatio="0" name="高德矢量新版"/>
    <xyztiles username="" url="https://wprd01.is.autonavi.com/appmaptile?x={x}&amp;y={y}&amp;z={z}&amp;lang=zh_cn&amp;size=1&amp;scl=2&amp;style=8&amp;ltype=11" zmin="0" zmax="18" password="" referer="" authcfg="" tilePixelRatio="0" name="高德路网"/>
    <xyztiles username="" url="https://tile.openstreetmap.org/{z}/{x}/{y}.png" zmin="0" zmax="19" password="" referer="" authcfg="" tilePixelRatio="0" name="OpenStreetMap"/>
</qgsXYZTilesConnections>