Noah

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connection 方法 ![image](https://user-images.githubusercontent.com/41558834/94382962-3c53f700-0171-11eb-8a17-22f14b1e1663.png)

![image](https://user-images.githubusercontent.com/41558834/94506666-8526b100-0240-11eb-8aaf-6d906bce8e6b.png)

按道理this.jsPlumb.getAllConnections(),是获取所有连线的API,遍历它能得到每一条线

![image](https://user-images.githubusercontent.com/41558834/94507517-8062fc80-0242-11eb-9fe6-80f2adeb95d6.png) ![image](https://user-images.githubusercontent.com/41558834/94507537-8b1d9180-0242-11eb-8674-54bed32fc8e4.png) 这个是单击时获取当前点击的那条线的ID