回答:$(".fr-sheetbutton-container").click(function() //切换sheet时 {var a = contentPane.$contentPane.data('TabPane').tabBtns.options.name; //获取当前sheet的名字 if (a == "封面"){$('.parameter-container-collapseimg-down').click();//点击参数面板下拉按钮,即显示参数面板 }else {$(".parameter-container-collapseimg-up").click()}});