var pages = getCurrentPages(); //获取当前页面var prevPage = pages[pages.length - 2]; //获取上以页面console.log(prevPage)var wishDatialItem = "wishDatial[" + that.data.index + "].is_partake"; //获取上以页面点击的index下面是直接改变 //setData直接改变状态 触发旧的状态改变 console.log(wishDatialItem)prevPage.setData({[wishDatialItem]: false,})













