Error on line 2 of document : The XML declaration may only appear at the very beginning of the document
. Nested exception: The XML declaration may only appear at the very beginning of the document.
<?xml标记前 不能有空字符
Error on line 2 of document : The XML declaration may only appear at the very beginning of the document
. Nested exception: The XML declaration may only appear at the very beginning of the document.
<?xml标记前 不能有空字符
