Nginx 打印body体内容，修改nginx配置文件nginx.conf

#user  nobody;
worker_processes  1;

events {
    worker_connections  1024;
}


http {
    include       mime.types;
    default_type  application/octet-stream;

    lua_package_path "/usr/local/nginx/conf/waf/?.lua";
    lua_shared_dict limit 10m;
    init_by_lua_file  /usr/local/nginx/conf/waf/init.lua;
    access_by_lua_file /usr/local/nginx/conf/waf/waf.lua;

    log_format  main '$remote_addr - $remote_user [$time_local] '
        '"$request" $status $body_bytes_sent '
        '"$http_referer" "$http_user_agent" $request_time req_body:"$request_body"' 
        ' resp_body:"$resp_body" resp_header:"$resp_header"';
    access_log  logs/access.log  main;

    sendfile        on;

    server {
        listen       80;
        server_name  localhost;

        location / {
            root   html;
            index  index.html index.htm;
        }

        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root   html;
        }


        set $resp_header "";
        header_filter_by_lua '
            local h = ngx.resp.get_headers()
            for k, v in pairs(h) do
            ngx.var.resp_header=ngx.var.resp_header..k..": "..v
            end
        ';

        lua_need_request_body on;

        set $resp_body "";
        body_filter_by_lua '
            local resp_body = string.sub(ngx.arg[1], 1, 1000)
            ngx.ctx.buffered = (ngx.ctx.buffered or "") .. resp_body
            if ngx.arg[2] then
                ngx.var.resp_body = ngx.ctx.buffered
            end
        ';
    }

重新加载配置文件

$ nginx -s reload

nginx body日志成功打印

图片.png

参考原文：https://www.cnblogs.com/sunsky303/p/9114813.html