         setTitleColor(.orange, for: .selected)
         
         titleLabel?.font = UIFont.systemFont(ofSize: 12)
-
+        
         setImage(#imageLiteral(resourceName: "praise"), for: .normal)
         setImage(#imageLiteral(resourceName: "praise_touch"), for: .selected)
         
         titleEdgeInsets = UIEdgeInsetsMake(0, 5, 0, 0)
-
+        
         addTarget(self, action: #selector(praiseButtonDidClicked(button:)), for: .touchUpInside)
     }
     

        // 展示动效
        popOutsideWithDuration(duration: 0.5)
        // 模拟数据
        let title = titleLabel?.text ?? ""
        var praiseNum = Int(title) ?? 0
        praiseNum += 1
        setTitle("\(praiseNum)", for: .normal)
    }

        layout()
    }
    
    // 取消高亮效果
    override var isHighlighted: Bool {
        set { }
        get { return false }
