vue中给index赋值时报Invalid prop: type check failed for prop "index". Expected String, got Numbe
<el-submenu :index="item.id"><template slot="title"><i class="el-icon-location"></i><span>{{item.nam
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<el-submenu :index="item.id"> <template slot="title"> <i class="el-icon-location"></i> <span>{{item.name}}</span> </template> </el-submenu>
给index赋值时,不管是 :index={{item.id}}还是:index=“{{item.id}}” 或者:index="item.id"都报:
解决办法:
:index="item.id+''"
即:
<el-submenu :index="item.id+''"> <template slot="title"> <i class="el-icon-location"></i> <span>{{item.name}}</span> </template> </el-submenu>
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