Get Image Info

<template>
  <!-- #ifdef APP -->
  <scroll-view style="flex:1">
  <!-- #endif -->
    <page-head :title="title"></page-head>
    <view class="uni-padding-wrap">
      <view class="uni-title">
        <text class="uni-subtitle-text">获取本地相对路径图片信息</text>
      </view>
      <image class="image" :src="relativeImagePath" mode="aspectFit"></image>
      <text class="margin-top-10">{{absoluteImageInfo}}</text>
      <view class="uni-title">
        <text class="uni-subtitle-text">获取网络路径图片信息</text>
      </view>
      <image class="image" :src="remoteImagePath" mode="aspectFit"></image>
      <text class="margin-top-10">{{remoteImageInfo}}</text>
      <view class="uni-title">
        <text class="uni-subtitle-text">获取本地绝对路径图片信息</text>
      </view>
      <image class="image" :src="absoluteImagePath" mode="aspectFit"></image>
      <text class="margin-top-10">{{relativeImageInfo}}</text>
      <view class="uni-btn-v">
        <button type="primary" @click="chooseImage">拍摄照片或从相册中选择照片</button>
      </view>
    </view>
  <!-- #ifdef APP -->
  </scroll-view>
  <!-- #endif -->
</template>

<script setup lang="uts">
  type TestStateType = {
    imageInfoForTest: UTSJSONObject | null
  }

  const title = ref("getImageInfo")
  const relativeImagePath = ref("/static/test-image/logo.png")
  const relativeImageInfo = ref("")
  const absoluteImagePath = ref("")
  const absoluteImageInfo = ref("")
  const remoteImagePath = ref("https://request.dcloud.net.cn/api/http/contentType/image/png")
  const remoteImageInfo = ref("")
  // 自动化测试
  const testState = reactive({
    imageInfoForTest: null as UTSJSONObject | null
  } as TestStateType)

  const chooseImage = () => {
    uni.chooseImage({
      count: 1,
      success: (res) => {
        absoluteImagePath.value = res.tempFilePaths[0];
        uni.getImageInfo({
          src: res.tempFilePaths[0],
          success: (_res) => {
            console.log("getImageInfo success", JSON.stringify(_res));
            relativeImageInfo.value = `图片宽度: ${_res.width}\n图片高度: ${_res.height}\n图片路径: ${_res.path}\n图片方向: ${_res.orientation}\n图片格式: ${_res.type}`;
          },
          fail: (err) => {
            uni.showModal({
              title: "获取图片信息失败",
              content: JSON.stringify(err),
              showCancel: false
            });
          }
        });
      }
    });
  }

  onReady(() => {
    uni.getImageInfo({
      src: relativeImagePath.value,
      success: (res) => {
        console.log("getImageInfo success", JSON.stringify(res));
        absoluteImageInfo.value = `图片宽度: ${res.width}\n图片高度: ${res.height}\n图片路径: ${res.path}\n图片方向: ${res.orientation}\n图片格式: ${res.type}`;
        testState.imageInfoForTest = {
          "width": res.width,
          "height": res.height,
          "path": res.path.slice(res.path.indexOf('static/') + 'static/'.length),
          "orientation": res.orientation,
          "type": res.type
        };
      },
      fail: (err) => {
        uni.showModal({
          title: "获取图片信息失败",
          content: JSON.stringify(err),
          showCancel: false
        });
        testState.imageInfoForTest = null;
      }
    });
    uni.getImageInfo({
      src: remoteImagePath.value,
      success: (res) => {
        console.log("getImageInfo success", JSON.stringify(res));
        remoteImageInfo.value = `图片宽度: ${res.width}\n图片高度: ${res.height}\n图片路径: ${res.path}\n图片方向: ${res.orientation}\n图片格式: ${res.type}`;
      },
      fail: (err) => {
        uni.showModal({
          title: "获取图片信息失败",
          content: JSON.stringify(err),
          showCancel: false
        });
      }
    });
  })

  defineExpose({
    testState,
    chooseImage
  })
</script>

<style>
  .image {
    align-self: center;
  }

  .margin-top-10 {
    margin-top: 10px;
  }
</style>