EasyUI设置Layout自适应浏览器宽度和高度

//设置自适应浏览器宽度和高度
function setLayoutHeight() {
    var height = $(window).height() - 20;
    $("#main_layout").attr("style", "width:100%;height:" + height + "px");
    $("#main_layout").layout("resize", {
        width: "100%",
        height: height + "px"
    });
}