[胡须老]

'use strict';
var doc = activeDocument;
var docHeight = doc.height;
var docWidth = doc.width;
var u=72/25.4;
var offset=5*u;

doc.rulerOrigin = [0, 0];
doc.selection = null;

// make rectangle with height = docHeight and width - docWidth
var pathRef = doc.activeLayer.pathItems.rectangle(docHeight+offset, 0-offset, docWidth+2* offset, docHeight+2* offset);
pathRef.filled = false;
pathRef.stroked = true;
pathRef.strokeWidth = 0.1;
pathRef.strokeColor = defineCMYK(0, 0, 0, 100);
pathRef.selected = true;


/**
*
* [MENTION=343005]para[/MENTION] m {number} C
* [MENTION=343005]para[/MENTION] m {number} M
* [MENTION=343005]para[/MENTION] m {number} Y
* [MENTION=343005]para[/MENTION] m {number} K
* [MENTION=48433]return[/MENTION] s {CMYKColor}
*/
function defineCMYK(C, M, Y, K) {
var newCMYKColor = new CMYKColor();
newCMYKColor.black = K;
newCMYKColor.cyan = C;
newCMYKColor.magenta = M;
newCMYKColor.yellow = Y;
return newCMYKColor;
}

[胡须老]

要沉下去了吗？要怎么调用选取物体的长、宽度值？