解决方法:加上 <!DOCTYPE xml>
<?xml version="1.0" encoding="UTF-8"?> <strong><span style="color:#ff0000;"><!DOCTYPE xml></span></strong> <ROOT> <goods> <isin>SN100001</isin> <quantity>1100</quantity> <price>200.20</price> <customer>张三</customer> </goods> </ROOT>
如何解决XML文件中的警告提示“No grammar constraints (DTD or XML Schema) referenced in the document.”
原文地址:http://blog.csdn.net/clementad/article/details/46314745