wxml

<button bind:tap="onSelectImg">选择图片</button>
<view class="select-items" wx:if="{{isShow}}">
  <view class="item" bind:tap="onCameraImg">拍摄照片</view>
  <view class="item" bind:tap="onAlbumImg">从相册选取</view>
  <view class="item" bind:tap="onMsgFile">从微信聊天中选取</view>
  <view class="item cancel-btn" bind:tap="onCancel">取消</view>
</view>

wxss

.select-items {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 999;
  background-color: #1D1D1D;
}


.select-items .item {
  width: 100%;
  line-height: 100rpx;
  text-align: center;
  background-color: #2C2C2C;
  color: #fff;
  margin-bottom: 2rpx;
}


.select-items .cancel-btn {
  margin-top: 30rpx;
}

js

Page({
  data: {
    isShow: false
  },
  onSelectImg() {
    this.setData({
      isShow: true
    })
  },
  // 拍摄照片
  onCameraImg() {
    const that = this;
    wx.chooseMedia({
      count: 1,
      mediaType: ['image'],
      sourceType: ['camera'],
      camera: 'back',
      success(res) {
        console.log(res.tempFiles);
      },
      complete() {
        that.onCancel();
      }
    })
  },
  // 从相册选取
  onAlbumImg() {
    const that = this;
    wx.chooseMedia({
      count: 1,
      mediaType: ['image'],
      sourceType: ['album'],
      success(res) {
        console.log(res.tempFiles);
      },
      complete() {
        that.onCancel();
      }
    })
  },
  // 从微信聊天中选取
  onMsgFile() {
    const that = this;
    wx.chooseMessageFile({
      count: 10,
      type: 'image',
      success(res) {
        console.log(res.tempFiles)
      },
      complete() {
        that.onCancel();
      }
    })
  },
  onCancel() {
    this.setData({
      isShow: false
    })
  }
})

这样不就实现了吗

请问现在支持从企业微信调用图片不？

直接调用小程序API：wx.chooseMessageFile就可以看到效果。没什么可说的，看文档

https://developers.weixin.qq.com/miniprogram/dev/api/media/image/wx.chooseMessageFile.html