修改解绑表的时候读数问题，抄表路线的抄表记录可以查看图片

pages/readingHistory/components/detailModal/index.js

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+// pages/readingHistory/components/detailModal/index.js
+Component({
+
+  /**
+   * 组件的属性列表
+   */
+  properties: {
+    visible: Boolean,
+    detail: Object,
+  },
+
+  /**
+   * 组件的初始数据
+   */
+  data: {
+
+  },
+
+  /**
+   * 组件的方法列表
+   */
+  methods: {
+    showImage() {
+      this.setData({ show: true })
+    },
+    onClose() {
+      this.setData({ show: false })
+    }
+  }
+})

pages/readingHistory/components/detailModal/index.json

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+{
+  "component": true,
+  "usingComponents": {
+    "van-dialog": "@vant/weapp/dialog/index",
+    "van-field": "@vant/weapp/field/index",
+    "van-image": "@vant/weapp/image/index",
+    "van-popup": "@vant/weapp/popup/index"
+  }
+}

pages/readingHistory/components/detailModal/index.wxml

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+<!--pages/readingHistory/components/detailModal/index.wxml-->
+<van-dialog
+  use-slot
+  title="详情"
+  show="{{ visible }}"
+  confirmButtonText="关闭"
+  bind:close="onClose"
+>
+  <view class="modalContentWrapper">
+    <van-field
+        value="{{ detail.readAt }}"
+        label="时间"
+        readonly
+        border="{{ false }}"
+        use-button-slot
+        title-width="100rpx"
+    >
+    </van-field>
+    <van-field
+        value="{{ detail.overall }}"
+        placeholder="请输入读数"
+        label="读数"
+        readonly
+        type="digit"
+        border="{{ false }}"
+        title-width="100rpx"
+    >
+    </van-field>
+    <van-field
+        wx:if="{{!!detail.url}}"
+        value="{{ detail.overall }}"
+        label="图片"
+        readonly
+        border="{{ false }}"
+        title-width="100rpx"
+        use-button-slot
+    >
+        <view slot="input">
+            <van-image 
+                width="100" 
+                height="100" 
+                fit="contain"
+                src="{{detail.url}}" 
+                bind:click="showImage"
+            />
+        </view>
+    </van-field>
+</view>
+ 
+</van-dialog>
+
+<van-popup 
+    show="{{ show }}" 
+    bind:close="onClose"
+    z-index="99999"
+>
+    <van-image 
+        width="100vw"
+        height="99.1vh"
+        fit="contain"
+        src="{{detail.url}}" 
+        bind:click="onClose"
+    />
+</van-popup>

pages/readingHistory/components/detailModal/index.wxss

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+/* pages/readingHistory/components/detailModal/index.wxss */