xpath获取第一个元素写法问题-新问题

xpath获取匹配的列表的第一个元素写法问题 ,

//*[@resource-id="com.shizhuang.duapp:id/itemPrice"][1]

这个写法匹配到多个元素

(//*[@resource-id="com.shizhuang.duapp:id/itemPrice"])[1]

这个写法说找不到 元素

例子如下:

<node index="0" text="" resource-id="" class="android.widget.FrameLayout" package="com.shizhuang.duapp" content-desc="" checkable="false" checked="false" clickable="true" enabled="true" focusable="true" focused="false" scrollable="false" long-clickable="false" password="false" selected="false" visible-to-user="true" bounds="[0,350][1080,849]">
                        <node index="0" text="" resource-id="" class="android.view.ViewGroup" package="com.shizhuang.duapp" content-desc="" checkable="false" checked="false" clickable="false" enabled="true" focusable="false" focused="false" scrollable="false" long-clickable="false" password="false" selected="false" visible-to-user="true" bounds="[0,350][1080,849]">
                          <node index="0" text="" resource-id="com.shizhuang.duapp:id/itemLogo" class="android.widget.ImageView" package="com.shizhuang.duapp" content-desc="" checkable="false" checked="false" clickable="false" enabled="true" focusable="false" focused="false" scrollable="false" long-clickable="false" password="false" selected="false" visible-to-user="true" bounds="[60,428][360,728]" />
                          <node index="1" text="PUMA Milenio 运动休闲鞋 男女同款 白银色" resource-id="com.shizhuang.duapp:id/itemTitle" class="android.widget.TextView" package="com.shizhuang.duapp" content-desc="" checkable="false" checked="false" clickable="false" enabled="true" focusable="false" focused="false" scrollable="false" long-clickable="false" password="false" selected="false" visible-to-user="true" bounds="[396,422][1020,541]" />
                          <node index="2" text="380510-05" resource-id="com.shizhuang.duapp:id/itemArticleNumber" class="android.widget.TextView" package="com.shizhuang.duapp" content-desc="" checkable="false" checked="false" clickable="false" enabled="true" focusable="false" focused="false" scrollable="false" long-clickable="false" password="false" selected="false" visible-to-user="true" bounds="[396,553][1020,602]" />
                          <node index="3" text="¥ 269" resource-id="com.shizhuang.duapp:id/itemPrice" class="android.widget.TextView" package="com.shizhuang.duapp" content-desc="" checkable="false" checked="false" clickable="false" enabled="true" focusable="false" focused="false" scrollable="false" long-clickable="false" password="false" selected="false" visible-to-user="true" bounds="[396,638][491,696]" />
                          <node index="4" text="7日成交均价" resource-id="com.shizhuang.duapp:id/itemPriceDesc" class="android.widget.TextView" package="com.shizhuang.duapp" content-desc="" checkable="false" checked="false" clickable="false" enabled="true" focusable="false" focused="false" scrollable="false" long-clickable="false" password="false" selected="false" visible-to-user="true" bounds="[503,643][703,692]" />
                          <node index="5" text="出售2000+件" resource-id="com.shizhuang.duapp:id/itemSoldNum" class="android.widget.TextView" package="com.shizhuang.duapp" content-desc="" checkable="false" checked="false" clickable="false" enabled="true" focusable="false" focused="false" scrollable="false" long-clickable="false" password="false" selected="false" visible-to-user="true" bounds="[812,643][1020,692]" />
                          <node index="7" text="" resource-id="com.shizhuang.duapp:id/llPoundage" class="android.widget.LinearLayout" package="com.shizhuang.duapp" content-desc="" checkable="false" checked="false" clickable="false" enabled="true" focusable="false" focused="false" scrollable="false" long-clickable="false" password="false" selected="false" visible-to-user="true" bounds="[396,720][628,774]">
                            <node index="0" text="费率低至 1.00%" resource-id="com.shizhuang.duapp:id/tvPoundagePercent" class="android.widget.TextView" package="com.shizhuang.duapp" content-desc="" checkable="false" checked="false" clickable="false" enabled="true" focusable="false" focused="false" scrollable="false" long-clickable="false" password="false" selected="false" visible-to-user="true" bounds="[408,726][616,767]" />
                          </node>
                        </node>
                        <node index="1" text="" resource-id="" class="android.view.View" package="com.shizhuang.duapp" content-desc="" checkable="false" checked="false" clickable="false" enabled="true" focusable="false" focused="false" scrollable="false" long-clickable="false" password="false" selected="false" visible-to-user="true" bounds="[60,848][1080,849]" />
                      </node>
                      <node index="1" text="" resource-id="" class="android.widget.FrameLayout" package="com.shizhuang.duapp" content-desc="" checkable="false" checked="false" clickable="true" enabled="true" focusable="true" focused="false" scrollable="false" long-clickable="false" password="false" selected="false" visible-to-user="true" bounds="[0,849][1080,1324]">
                        <node index="0" text="" resource-id="" class="android.view.ViewGroup" package="com.shizhuang.duapp" content-desc="" checkable="false" checked="false" clickable="false" enabled="true" focusable="false" focused="false" scrollable="false" long-clickable="false" password="false" selected="false" visible-to-user="true" bounds="[0,849][1080,1324]">
                          <node index="0" text="" resource-id="com.shizhuang.duapp:id/itemLogo" class="android.widget.ImageView" package="com.shizhuang.duapp" content-desc="" checkable="false" checked="false" clickable="false" enabled="true" focusable="false" focused="false" scrollable="false" long-clickable="false" password="false" selected="false" visible-to-user="true" bounds="[60,927][360,1227]" />
                          <node index="1" text="【定制球鞋】 PUMA Milenio CUS ID 解构风 开学穿搭 春日出行 小飞侠 低帮 生活休闲鞋 男女同款 黑白银" resource-id="com.shizhuang.duapp:id/itemTitle" class="android.widget.TextView" package="com.shizhuang.duapp" content-desc="" checkable="false" checked="false" clickable="false" enabled="true" focusable="false" focused="false" scrollable="false" long-clickable="false" password="false" selected="false" visible-to-user="true" bounds="[396,921][1020,1040]" />
                          <node index="2" text="380510-05(TeamE-男女款小飞侠黑白银)" resource-id="com.shizhuang.duapp:id/itemArticleNumber" class="android.widget.TextView" package="com.shizhuang.duapp" content-desc="" checkable="false" checked="false" clickable="false" enabled="true" focusable="false" focused="false" scrollable="false" long-clickable="false" password="false" selected="false" visible-to-user="true" bounds="[396,1052][1020,1155]" />
                          <node index="3" text="¥ --" resource-id="com.shizhuang.duapp:id/itemPrice" class="android.widget.TextView" package="com.shizhuang.duapp" content-desc="" checkable="false" checked="false" clickable="false" enabled="true" focusable="false" focused="false" scrollable="false" long-clickable="false" password="false" selected="false" visible-to-user="true" bounds="[396,1191][458,1249]" />
                        </node>
                        <node index="1" text="" resource-id="" class="android.view.View" package="com.shizhuang.duapp" content-desc="" checkable="false" checked="false" clickable="false" enabled="true" focusable="false" focused="false" scrollable="false" long-clickable="false" password="false" selected="false" visible-to-user="true" bounds="[60,1323][1080,1324]" />
                      </node>

https://www.yingdao.com/community/detaildiscuss?id=ec2412d0-36b7-418f-a8d4-85232499f050

页面上可以获取到信息,但是用在APP上就提示找不到元素