布局（宽 100% ，比例宽：高 = 3:4）

<camera mode="normal" resolution="high"
        device-position="{{cameraState.devicePosition}}" id="camera"
        flash="{{cameraState.flash}}" bindstop="cameraBindStop" binderror="cameraBindError"
        class="camera">
</camera>

拍摄

wx.createCameraContext()
    .takePhoto({
        quality: 'high',
        success: async (res) => {
            
        fail: (res) => {
            
        },
        complete: () => {
            
        }
    })

手机是 iphone 13 pro max，使用这段代码拍摄，产出图片只有 1080 * 1438，原相机 3024 * 4032