22 lines
420 B
JavaScript
22 lines
420 B
JavaScript
// 显示购物车tabBar的Badge
|
|
function showTabBarBadge(){
|
|
wx.getStorage({
|
|
key: 'shopCarInfo',
|
|
success: function (res) {
|
|
if (res.data.shopNum > 0) {
|
|
wx.setTabBarBadge({
|
|
index: 2,
|
|
text: `${res.data.shopNum}`
|
|
});
|
|
} else {
|
|
wx.removeTabBarBadge({
|
|
index: 2
|
|
});
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|
|
module.exports = {
|
|
showTabBarBadge: showTabBarBadge
|
|
} |