以前还可以，不过改了这里之后 session.save_path = "D:/session"
就出现这种情况了，还请各位大神帮帮忙，谢谢了！
回复讨论(解决方案)
在 session ?始之前有???出,先?查一下你的代?把??排除掉
请检查下D盘下session目录是否存在。
D:/session 是否存在，且有?限?？
在 session ?始之前有???出,先?查一下你的代?把??排除掉
在没改session之前是可以用的，代码 没改过呀，前面没有输出就一句 header(.....)
D盘存在session文件
权限是root
为什么要改session.save_path 的值呢，改回去试试看。
为什么要改session.save_path 的值呢，改回去试试看。
默认值是什么了呀？忘了。
session.save_path 的默认值为 /tmp，即操作系统的临时文件目录
可以不设置（注释掉 session.save_path）
如果设置了，则必须保证该目录具有一般用户完全控制权限
只要有 session_start() 的文件都会出现这种情况，去掉这个 session_start() 就可以了。把配置文件的注释掉和把 "D:/session" 改成 /tmp 还是不行，哪里出问题了？以前是没问题的呀？
好像session_start()前面不能有输出，
好像session_start()前面不能有输出，
前面没有输出，以前是可以用的，现在用不了，不知道是不是改了那个 session 的路径问题
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