在https://developers.facebook.com/docs/sharing/reference/share-dialog上，您会看到以下示例：
网址重定向
分享链接：
https://www.facebook.com/dialog/share?
app_id=145634995501895
&display=popup
&href=https%3A%2F%2Fdevelopers.facebook.com%2Fdocs%2F
&redirect_uri=https://developers.facebook.com/tools/explorer
分享Open Graph故事：
https://www.facebook.com/dialog/share_open_graph?
app_id=145634995501895
&display=popup
&action_type=og.like
&action_properties=%7B%22object%22%3A%22https%3A%2F%2Fdevelopers.facebook.com%2Fdocs%2F%22%7D
&redirect_uri=https://developers.facebook.com/tools/explorer
为什么redirect_uri字段未通过网址编码进行转义？