您使用 st.nextToken()* 检索的 字符串中 有 隐藏的unipre字符 。使用此代码删除它们 ***
int Id = Integer.parseInt(st.nextToken().replaceAll("\p{C}", ""));String Name = st.nextToken().replaceAll("\p{C}", "");double cordX = Double.parseDouble(st.nextToken().replaceAll("\p{C}", ""));double cordY = Double.parseDouble(st.nextToken().replaceAll("\p{C}", ""));


