angularjs Դ?빹??
使用group by 去进行分组。这个像sql语句一样的码构投资理财系统源码
<select ng-model="selected" ng-options="(m.productColor + ' - ' + m.productName) group by m.mainCategory for m in model">
<option value="">-- 请选择 --</option>
</select>
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