postgresql 开启远程访问

修改pg_hba.conf文件，开通局域网的访问权限，注意IP地址改为自己所在网络的IP。 红色部分为新增内容。

# TYPE DATABASE USER ADDRESS METHOD

# IPv4 local connections:
host all all 127.0.0.1/32 md5
host all all 192.168.3.0/24 md5

host all all 0.0.0.0/0 md5
# IPv6 local connections:
host all all ::1/128 md5
# Allow replication connections from localhost, by a user with the
# replication privilege.
#host replication postgres 127.0.0.1/32 md5
#host replication postgres ::1/128 md5