var mapOptions = { projection : new OpenLayers.Projection('EPSG:4326'), maxExtent : new OpenLayers.Bounds(121.95669802850942,37.302124678674154,122.73295650645256,37.63564806886632), // maxExtent : new OpenLayers.Bounds(-180, -90, 180, 90), restrictedExtent:new OpenLayers.Bounds(121.95669802850942,37.302124678674154,122.73295650645256,37.63564806886632), units : "degrees",// 单位度 controls : [] // 清空控件 }; map = new OpenLayers.Map('map',mapOptions);
问题:在使用openlayer2 图片地图的时候,图片拖动后背景会有空白
解决:
restrictedExtent与maxExtent范围一直就解决了