camera 相机

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<!-- index.ttml --> 
<camera
  device-position="back"
  bindinitdone="onInitdone"
  binderror="onError"
  bindstop="onStop"
  style="width: 100%; height: 300px;"
>
</camera>

// index.js
Page({  
  data: {},
  onLoad: function (options) {
    tt.getSetting({
      success: (res) => {
        let cameraAllowed = res.authSetting["scope.camera"];
        if (!cameraAllowed) {
          tt.showToast({
            title: "请授权相机后重新进入"
          });
        }
      },
    });
  },
  onInitdone(e) {
    tt.showToast({
      title: "相机初始化完成",
    });
  },
  onStop(e) {
    console.log("相机中断");
  },
  onError(e) {
    tt.showModal({
      content: "相机出错了：" + e.detail.errMsg,
    });
  },
});