XPATH获取USER列用户ID的小方法

substring(substring-before(substring-after(@_x6587__x7ae0__x53d1__x5e03__x80,'ID='),'>'),1,string-length(substring-before(substring-after(@_x6587__x7ae0__x53d1__x5e03__x80,'ID='),'>'))-1)

@_x6587__x7ae0__x53d1__x5e03__x80  是列名