repeat出来的option中的id以数组形式绑定到select的ngmodel，如何绑定…
select的ngModel can be bound to an array. For details, you can take a look at Hacking with Angular: Play with the 7, 8, and 9 examples in the ngOptions directive; it should be able to help you.
select
ngModel
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select的ngModelcan be bound to an array. For details, you can take a look at Hacking with Angular: Play with the 7, 8, and 9 examples in the ngOptions directive; it should be able to help you.