Only [Bug Report] Table column in the fixed width limit, how to realize the data length adaptive width?

[dingyiming]

Element UI version

1.3.7

OS/Browsers version

Window 10 / Chrome 59

Vue version

2.3.4

Reproduction Link

https://jsfiddle.net/pd7kbqoe/

Steps to reproduce

在 https://jsfiddle.net/pd7kbqoe/ 中可以看出中间一列过于拥挤，两边则过于宽敞，中间一列需要实现自适应宽度

What is Expected?

在 https://jsfiddle.net/pd7kbqoe/ 中间一列需要实现自适应宽度

What is actually happening?

在 https://jsfiddle.net/pd7kbqoe/ 中间一列无法实现自适应宽度

[element-bot]

Translation of this issue:

Element UI version

1.3.7

OS/Browsers version

Window 10 / Chrome 59

Vue version

2.3.4

Reproduction Link

https://jsfiddle.net/pd7kbqoe/

Steps to reproduce

In https://jsfiddle.net/pd7kbqoe/, you can see that the middle column is too crowded, the two sides are too spacious, and the middle row needs to implement adaptive width

What is Expected?

In the middle of the https://jsfiddle.net/pd7kbqoe/, a column needs to implement adaptive width

What is actually happening?

An adaptive width cannot be achieved in the middle of the https://jsfiddle.net/pd7kbqoe/ column

[Leopoldthecoder]

有进展会在 #4159 更新。