限制上传文件的大小

worker_processes  2;
worker_cpu_affinity  01 10;
user  nginx nginx;
error_log  logs/error.log  error;

events {
    use  epoll;
    worker_connections  20480;
}

http {
    include       mime.types;
    server_names_hash_bucket_size  512;     
    default_type  application/octet-stream;
    sendfile        on;
    keepalive_timeout  65;
    server_tokens off;
    client_max_body_size 8m;    # 设置客户端最大的请求主体大小为8M
    include vhosts/*.conf;
}