1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 | var openid= null ; if (openid== "" ||openid== null ){ wx.showToast({ title: "空值!" , icon: 'none' , duration: 2000 }) } else { wx.showToast({ title: "不是空值!" , icon: 'none' , duration: 2000 }) } |
1 | <view class = "left" >PO类型: </view> <view class = "right" >{{order_obj.poType|| "" }}</view> |
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