小弟在网上下了个blog程序，mysql建库时报错：Warning: Cannot modify header information - headers already sent by ....

[tjm1]

Warning: Cannot modify header information - headers already sent by (output started at C:\www\wp-admin\setup-config.php:23) in C:\www\wp-includes\wp-db.php on line 373



Error establishing a database connection
This either means that the username and password information in your wp-config.php file is incorrect or we can't contact the database server at localhost. This could mean your host's database server is down.

[iisbsd]

去找WordPress的论坛问，你的配置文件中的用户名密码或者数据库什么的配置有问题。

[whalefish2001]

在你调用head函数之前，已经往客户端发送信息了。
哪怕空格也是信息，
往往造成的原因就是 你可能在某些文件上在 php体外部增加了空格，回车，什么的。

[tv214]

更新一下用户密码 就可以了撒
SET PASSWORD FOr root@localhost = OLD_PASSWORD('你的密码');