0588   把  @JSXBIN@ES@2.1  改成  @JSXBIN@ES@2.0
var doc = app.activeDocument;
var actLay = doc.activeLayer;
var sel = doc.selection;
var u = 2.834645669291;
for (var i = 0; i < sel.length; i += 1) {
    selInfo = sel[i].geometricBounds;
    selL = selInfo[0];
    selT = selInfo[1];
    selW = Math.abs(selInfo[2] - selInfo[0]);
    selH = Math.abs(selInfo[3] - selInfo[1]);
    var txt = actLay.textFrames.add();
    txt.contents = "周长:" + sel[i].length / u.toFixed(3) + "mm\n面积:" + sel[i].area / (u * u).toFixed(3) + "mm^2";
    txt.position = [selL, selT - selH];
}