Extjs combox 后台如何获取其id,而不是显示的字符

{name:"fruit_type_id",fieldLabel:"成果分类",xtype:"combo",store:store,emptyText:"请选择...",displayField:"type_name",valueField:"id",selectOnFocus:true,triggerAction:"all"},


将name改成hiddenName即可


{hiddenName:"fruit_type_id",fieldLabel:"成果分类",xtype:"combo",store:store,emptyText:"请选择...",displayField:"type_name",valueField:"id",selectOnFocus:true,triggerAction:"all"},

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