City picker

To use city picker，you should import this js file after light7.js 和 light7.css:

There is only chinese cities now, Sorry...

{% highlight html %} {% endhighlight %}

city picker is a customed Picker. So it's API is some to picker.

You should not set onChange and cols.

{% highlight html %} {% endhighlight %}

You can use input's value Attr to set default selected value:

{% highlight html %} {% endhighlight %}