OpenLayers开发中，坐标系’EPSG:4326’转’EPSG:900913′

  var mapOptions = {

        resolutions: [156543.03390625, 78271.516953125, 39135.7584765625, 19567.87923828125, 9783.939619140625, 4891.9698095703125, 2445.9849047851562, 1222.9924523925781, 611.4962261962891, 305.74811309814453,
152.87405654907226, 76.43702827453613, 38.218514137268066, 19.109257068634033, 9.554628534317017, 4.777314267158508, 2.388657133579254, 1.194328566789627, 0.5971642833948135],

        // resolutions: [0.703125, 0.3515625, 0.17578125, 0.087890625, 0.0439453125, 0.02197265625, 0.010986328125, 0.0054931640625, 0.00274658203125,

//            0.001373291015625, 6.866455078125E-4, 3.4332275390625E-4, 1.71661376953125E-4, 8.58306884765625E-5, 4.291534423828125E-5,

//            2.1457672119140625E-5, 1.0728836059570312E-5, 5.364418029785156E-6, 2.682209014892578E-6],

        projection: new OpenLayers.Projection(‘EPSG:900913’),

        maxExtent: new OpenLayers.Bounds(-20037508.34, -20037508.34, 20037508.34, 20037508.34),

        allOverlays: true,

        //  units: “meters”,

        controls: []

    };

function drawFature(vwkt,vl){

   var feature = new OpenLayers.Format.WKT().read(vwkt);

   var gml = new OpenLayers.Format.GML();

   var style = {

           strokeColor: “blue”,

           strokeWidth: 1,

           pointerEvents: “visiblePainted”,

           fillColor: “red”,

           fillOpacity: 0.5

       };

   feature.style=style;

   var geo = feature.geometry;

      var bo = geo.getBounds();

      var latlon=bo.getCenterLonLat();

      var p=latlon.transform(map.displayProjection,map.getProjectionObject());

      var lat = p.lat;

      var lon = p.lon;

             console.info(lat+”–“+lon);

      vectorLayer.addFeatures([feature]);

      locatebylonlat(lon,lat,vl);

     map.moveTo([lon, lat],10,  new Object());

   

 }