var doc = app.activeDocument // �@ȡ��(d��ng)ǰ�ęn
var el = doc.selection[0] // �@ȡ��(d��ng)ǰ�x�񼯺�����ĵ�һ��(g��)

var x = el.left // ��(d��ng)ǰԪ�ص����Ͻ�λ��
var y = el.top // ��(d��ng)ǰԪ�ص����Ͻ�λ��

var width = el.width // ��(d��ng)ǰԪ�صČ���
var height = el.height // ��(d��ng)ǰԪ�صĸ߶�

var myColor = new CMYKColor()
myColor.cyan = 100;
myColor.yellow = 0;
myColor.magenta = 0;
myColor.black = 0;

var myGroup = doc.groupItems.add()
myGroup.name = "�ߴ��(bi��o)ע�M"

var margin = 30

var leftLine1 = myGroup.pathItems.add()
leftLine1.setEntirePath([
    [x - margin, y],
    [x - margin, y - height]
])
leftLine1.strokeColor = myColor

var leftLine2 = myGroup.pathItems.add()
leftLine2.setEntirePath([
    [x - margin - margin / 2, y],
    [x - margin + margin / 2, y]
])
leftLine2.strokeColor = myColor

var leftLine3 = myGroup.pathItems.add()
leftLine3.setEntirePath([
    [x - margin - margin / 2, y - height],
    [x - margin + margin / 2, y - height]
])
leftLine3.strokeColor = myColor

var leftText = myGroup.textFrames.add()
leftText.contents = Math.round(height*0.3527778*1000)/1000 + " mm"
leftText.textRange.characterAttributes.fillColor = myColor
leftText.textRange.characterAttributes.size = 36
leftText.left = x - margin - margin / 2 - leftText.width/2
leftText.top = y - height/2 + leftText.height/2

leftText.rotate(90)
leftText.left = leftText.left - leftText.width/2