export function goBack(index, url) {if (index == 1) { // 关闭当前页，返回上一页面或多级页面。uni.navigateBack({delta: url,animationType: 'pop-out',animationDuration: 300});} else if (index == 2) { // 保留当前页，跳转到非tabbar页面，使用uni.navigateBack可以返回到原页面。uni.navigateTo({url: url,animationType: 'pop-in',animationDuration: 300})} else if (index == 3) {// 跳转到 tabBar 页面，并关闭其他所有非 tabBar 页面。uni.switchTab({url: url,animationType: 'pop-in',animationDuration: 300})} else if (index == 4) {// 关闭所有页面，打开到应用内的某个页面。uni.reLaunch({url: url,animationType: 'pop-in',animationDuration: 300})} else if (index == 5) {// 关闭当前页面，跳转到应用内的某个页面。uni.redirectTo({url: url,});}
}