openresty中文及应用-老鄢博客

openresty中文及应用

发布时间：2017-11-24 18:36:38 作者：admin 阅读：1133次

教程

http://wiki.jikexueyuan.com/project/openresty/openresty/log_response.html

http://openresty.org/cn/samples.html

http://jinnianshilongnian.iteye.com/blog/2280928

https://github.com/362228416/openresty-web-dev

[root@localhost html]# cat hello_http.lua
local request_method = ngx.var.request_method
local args = nil
ngx.say('处理htpp请求，get或post请求的参数如下')
if "GET" == request_method then
ngx.say("get请求")
args = ngx.req.get_uri_args()
elseif "POST" == request_method then
ngx.say("post请求")
ngx.req.read_body()
args = ngx.req.get_post_args()
end
for key, val in pairs(args) do
if type(val) == "table" then
ngx.say(key, ": ", table.concat(val, ", "))
else
ngx.say(key, ": ", val)
end
end
ngx.say('get or post request over')

[root@localhost html]# cat redis.lua
local redis = require "resty.redis"
local red = redis:new()
red:set_timeout(1000) -- 1 sec
-- or connect to a unix domain socket file listened
-- by a redis server:
-- local ok, err = red:connect("unix:/path/to/redis.sock")
local ok, err = red:connect("192.168.0.116", 6379)
if not ok then
ngx.say("failed to connect___: ", err)
return
end
ok, err = red:set("dog", "an animal")
if not ok then
ngx.say("failed to set dog: ", err)
return
end
ngx.say("set result: ", ok)
local res, err = red:get("dog")
if not res then
ngx.say("failed to get dog: ", err)
return
end
if res == ngx.null then
ngx.say("dog not found.")
return
end
ngx.say("dog: ", res)
red:init_pipeline()
red:set("cat", "Marry")
red:set("horse", "Bob")
red:get("cat")
red:get("horse")
local results, err = red:commit_pipeline()
if not results then
ngx.say("failed to commit the pipelined requests: ", err)
return
end
for i, res in ipairs(results) do
if type(res) == "table" then
if not res[1] then
ngx.say("failed to run command ", i, ": ", res[2])
else
-- process the table value
end
else
-- process the scalar value
end
end
-- put it into the connection pool of size 100,
-- with 10 seconds max idle time
local ok, err = red:set_keepalive(10000, 100)
if not ok then
ngx.say("failed to set keepalive: ", err)
return
end
[root@localhost html]#

[root@localhost html]# cat mysql.lua
local mysql = require "resty.mysql"
local db,err = mysql:new()
if not db then
ngx.say("failed to instantiate mysql: ",err)
return
end
db:set_timeout(1000)
local ok,err,errno,sqlstate = db:connect{
host = "192.168.0.116",
port = 3306,
database = "phpjx",
user = "root",
password = "root",
max_package_size = 1024
}
if not ok then
ngx.say("failed to connect: ", err, ": ", errno, " ", sqlstate)
return
end
res,err,errno,sqlstate = db:query("select id,title from article where id=321")
if not res then
ngx.say("bad result: ", err, ": ", errno, ": ", sqlstate, ".")
return
end
local cjson = require "cjson"
ngx.say(cjson.encode(res))
[root@localhost html]#

[root@localhost conf]# cat /usr/local/openresty/nginx/conf/nginx.conf
#user nobody;
worker_processes 1;
#error_log logs/error.log;
#error_log logs/error.log notice;
#error_log logs/error.log info;
#pid logs/nginx.pid;
events {
worker_connections 1024;
}
http {
include mime.types;
default_type application/octet-stream;
#log_format main '$remote_addr - $remote_user [$time_local] "$request" '
# '$status $body_bytes_sent "$http_referer" '
# '"$http_user_agent" "$http_x_forwarded_for"';
#access_log logs/access.log main;
sendfile on;
#tcp_nopush on;
#keepalive_timeout 0;
keepalive_timeout 65;
#gzip on;
server {
listen 80;
server_name localhost;
#charset koi8-r;
#access_log logs/host.access.log main;
location / {
root html;
index index.html index.htm;
}
location /lua {
default_type 'text/plain';
content_by_lua 'ngx.say("Hello,kevin!Iam lua.")';
}
location /post_1{
content_by_lua '
ngx.req.read_body()
local args = ngx.req.get_post_args()
for key, val in pairs(args) do
if type(val) == "table" then
ngx.say(key, ": ", table.concat(val, ", "))
else
ngx.say(key, ": ", val)
end
end
';
}
location /post_2{
lua_need_request_body on ;
default_type 'text/plain' ;
content_by_lua_file /var/www/html/hello_http.lua ;
}
location /redis_test{
lua_need_request_body on ;
default_type 'text/plain' ;
content_by_lua_file /var/www/html/redis.lua ;
}
location /mysql_test{
lua_need_request_body on ;
default_type 'text/plain' ;
content_by_lua_file /var/www/html/mysql.lua ;
}
#error_page 404 /404.html;
# redirect server error pages to the static page /50x.html
#
error_page 500 502 503 504 /50x.html;
location = /50x.html {
root html;
}
# proxy the PHP scripts to Apache listening on 127.0.0.1:80
#
#location ~ \.php$ {
# proxy_pass http://127.0.0.1;
#}
# pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
#
location ~ \.php$ {
root /var/www/html;
fastcgi_pass 127.0.0.1:9000;
fastcgi_index index.php;
fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
include fastcgi_params;
}
# deny access to .htaccess files, if Apache's document root
# concurs with nginx's one
#
#location ~ /\.ht {
# deny all;
#}
}
# another virtual host using mix of IP-, name-, and port-based configuration
#
#server {
# listen 8000;
# listen somename:8080;
# server_name somename alias another.alias;
# location / {
# root html;
# index index.html index.htm;
# }
#}
# HTTPS server
#
#server {
# listen 443 ssl;
# server_name localhost;
# ssl_certificate cert.pem;
# ssl_certificate_key cert.key;
# ssl_session_cache shared:SSL:1m;
# ssl_session_timeout 5m;
# ssl_ciphers HIGH:!aNULL:!MD5;
# ssl_prefer_server_ciphers on;
# location / {
# root html;
# index index.html index.htm;
# }
#}
}
[root@localhost conf]#

OpenResty的现状、趋势、使用及学习方法

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