nginx -V #已安装Nginx执行该命令查看现有编译参数
configure arguments: 
--prefix=/usr/local/nginx --sbin-path=/usr/sbin/nginx --conf-path=/etc/nginx/nginx.conf --error-log-path=/var/log/nginx/error.log --http-log-path=/var/log/nginx/access.log --pid-path=/var/run/nginx.pid --lock-path=/var/run/nginx.lock --user=www --group=www --with-http_ssl_module --with-pcre --with-http_v2_module --with-http_realip_module --with-http_addition_module --with-http_sub_module --with-http_dav_module --with-http_gunzip_module --with-http_gzip_static_module --with-http_random_index_module --with-http_secure_link_module --with-http_stub_status_module --with-http_auth_request_module

#执行./configure命令，在现有编译参数最后追加luajit,ngx_devel_kit和lua-nginx-module
./configure --prefix=/usr/local/nginx --sbin-path=/usr/sbin/nginx --conf-path=/etc/nginx/nginx.conf --error-log-path=/var/log/nginx/error.log --http-log-path=/var/log/nginx/access.log --pid-path=/var/run/nginx.pid --lock-path=/var/run/nginx.lock --user=www --group=www --with-http_ssl_module --with-pcre --with-http_v2_module --with-http_realip_module --with-http_addition_module --with-http_sub_module --with-http_dav_module --with-http_gunzip_module --with-http_gzip_static_module --with-http_random_index_module --with-http_secure_link_module --with-http_stub_status_module --with-http_auth_request_module--with-ld-opt=-Wl,-rpath,/usr/local/luajit/lib --add-module=/data/lua/ngx_devel_kit-0.3.1rc1 --add-module=/data/lua/lua-nginx-module-0.10.14

service nginx stop
make #编译
cp objs/nginx /usr/sbin/
service nginx start
nginx -V #检查模块是否添加上

local url = ngx.var.request_uri.."&ak=你的ak参数&service_id=你的鹰眼服务id"
local redis = require "resty.redis_iresty"
local red = redis:new()
local res, err = red:get(url)
if not res or res == ngx.null then
    local http = require "resty.http"
    local httpc = http.new()
    local res, err = httpc:request_uri("http://api.map.baidu.com"..url)
    if res.status == ngx.HTTP_OK then
        red:set(url, res.body)
        ngx.print(res.body)
        return
    else
        ngx.exit(res.status)
    end
end

ngx.print(res)

local http = require "resty.http"
local httpc = http.new()

if ngx.var.request_method == "POST" then
    ngx.req.read_body();
    local postargs = ngx.req.get_post_args()
    local postdata = "ak=你的ak参数&service_id=你的鹰眼服务id"
    for k,v in pairs(postargs) do
        postdata = postdata.."&"..k.."="..v
    end
    local res = httpc:request_uri("http://yingyan.baidu.com"..ngx.var.uri, { method = "POST", body = postdata, headers = { ["Content-Type"] = "application/x-www-form-urlencoded", ["Content-Length"] = nil } })
    if res.status == ngx.HTTP_OK then
        ngx.print(res.body)
        return
    else
        ngx.exit(res.status)
    end
end

local end_time = nil
local args = ngx.req.get_uri_args()
local url = ngx.var.request_uri.."&ak=你的ak参数&service_id=你的鹰眼服务id"
for k,v in pairs(args) do
    if(k == "end_time") then
        end_time = v
        break
    end
end
if(end_time ~= nil) then
    local now_time = os.date("*t")
    local today_time = os.time({day=now_time.day, month=now_time.month,year=now_time.year, hour=0, minute=0, second=0})
    if(tonumber(end_time) < today_time) then
        local redis = require "resty.redis_iresty"
        local red = redis:new()
        local res = red:get(url)
        if not res or res == ngx.null then
            local res = httpc:request_uri("http://yingyan.baidu.com"..url)
            if res.status == ngx.HTTP_OK then
                red:set(url, res.body)
                ngx.print(res.body)
                return
            else
                ngx.exit(res.status)
            end
        end

        ngx.print(res)
        return
    end
end

local res = httpc:request_uri("http://yingyan.baidu.com"..url)
if res.status == ngx.HTTP_OK then
    ngx.print(res.body)
else
    ngx.exit(res.status)
end