function setpicsize(){
var num = Application.ActiveDocument.InlineShapes.Count;
for (var i=1;i<=num;i++)
{
Application.ActiveDocument.InlineShapes.Item(i).Width=50;
Application.ActiveDocument.InlineShapes.Item(i).Height=50;
//JSA的API请参考 https://open.wps.cn/docs/office ;
}