测试了基础库3.3.0到3.3.4都测试了，微信8.0.45和8.0.46都测试了，截图功能都是正常可以截图的，看文档是说基础库3.3.0+ ios16就支持。目前测试的手机是ios17.2和ios17.0.03都能复现

https://developers.weixin.qq.com/miniprogram/dev/api/device/screen/wx.setVisualEffectOnCapture.html

也有别的用户反馈：https://developers.weixin.qq.com/community/develop/doc/00006400c58e285332f09632a61400?highLine=setVisualEffectOnCapture

   onLoad() {
    this.setDisableCapture(); // 录屏、截屏时黑屏
  },
  onShow() {
    this.setDisableCapture();
  },
  onHide() {
    this.closeDisableCapture();
  },
  onUnload() {
    this.closeDisableCapture();
  },
  methods: {
    setDisableCapture() {
      wx.setVisualEffectOnCapture({
        visualEffect: 'hidden',
      });
    },
    closeDisableCapture() {
      wx.setVisualEffectOnCapture({
        visualEffect: 'none',
      });
    },
  }