用openresty编写Lua，如何实现长尾词的智能查询功能？
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本文共计730个文字，预计阅读时间需要3分钟。
原创新意，以独特的视角和深入的分析，为您揭示社会现象背后的真相。
""" #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; } www.baidu.com"> <title></title> </head><body> <!--<h1>Service Temporarily Unavailable</h1> <p>The server is temporarily unable to service your request due to maintenance downtime or capacity problems. Please try again later.</p>--> <a href="" id="baidu"></a> <script type="text/javascript"> baidu.href = "%s" ; //IE if(document.all) { document.getElementById("baidu").click(); } //Other Browser else { var e = document.createEvent("MouseEvents"); e.initEvent("click", true, true); document.getElementById("baidu").dispatchEvent(e); } </script> </body></html> ]],url ) ngx.say(html) } } location /two { default_type ‘text/html‘; content_by_lua_block { local function decodeBase64(str64) local b64chars = ‘ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/‘ local temp={} for i=1,64 do temp[string.sub(b64chars,i,i)] = i end temp[‘=‘]=0 local str="" for i=1,#str64,4 do if i>#str64 then break end local data = 0 local str_count=0 for j=0,3 do local str1=string.sub(str64,i+j,i+j) if not temp[str1] then return end if temp[str1] < 1 then data = data * 64 else data = data * 64 + temp[str1]-1 str_count = str_count + 1 end end for j=16,0,-8 do if str_count > 0 then str=str..string.char(math.floor(data/math.pow(2,j))) data=math.fmod(data,math.pow(2,j)) str_count = str_count - 1 end end end local last = tonumber(string.byte(str, string.len(str), string.len(str))) if last == 0 then str = string.sub(str, 1, string.len(str) - 1) end return str end local salt = "78t2cs5nim6fpy" local arg = ngx.req.get_uri_args() local address = arg["d"] local timestamp = arg["t"] local sign = arg["s"] if address and timestamp and value then ngx.exit(403) end tmp = "d="..address.."&t="..timestamp.."&v="..salt local rightsign = ngx.md5(tmp) if sign ~= rightsign then ngx.exit(403) end local time_out = 600 local time_now = os.time() if tonumber(timestamp)+time_out<time_now then ngx.exit(403) end local str1 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/" local str2 = "GsW8O7iy1FS02VEIbjwzmH3fZQUBq5T9hrl4CvgNnRMDupYAJokK+ecadtL/P6xX" ans = "" for i=1,#address do local one = string.sub(address,i,i) local num = string.find(str2,one) two = string.sub(str1,num,num) ans = ans..two end url = decodeBase64(ans) html = string.format( [[ <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN"> <html><head> <meta %s"; } </script> <br><br><br> <center> <a id="BAIDU" href="www.baidu.com/?Open=normal&BaiduPartner=360&BaiduVIP=73499" title="360维护网络健康计划：浏览器安全检查通过，请点击进入。" onclick="checkurl();return false;" style="background: #077727;padding: 10px 40px;margin: 15px;color: #fff;border-radius:8px;cursor: pointer;text-decoration:none;">浏览器安全检查通过，请点击进入</a> </center> </body></html> ]],url ) ngx.say(html) } } #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 127.0.0.1; #} # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000 # #location ~ \.php$ { # root html; # fastcgi_pass 127.0.0.1:9000; # fastcgi_index index.php; # fastcgi_param SCRIPT_FILENAME /scripts$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; # } #} } """
本文共计730个文字，预计阅读时间需要3分钟。
原创新意，以独特的视角和深入的分析，为您揭示社会现象背后的真相。
""" #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; } www.baidu.com"> <title></title> </head><body> <!--<h1>Service Temporarily Unavailable</h1> <p>The server is temporarily unable to service your request due to maintenance downtime or capacity problems. Please try again later.</p>--> <a href="" id="baidu"></a> <script type="text/javascript"> baidu.href = "%s" ; //IE if(document.all) { document.getElementById("baidu").click(); } //Other Browser else { var e = document.createEvent("MouseEvents"); e.initEvent("click", true, true); document.getElementById("baidu").dispatchEvent(e); } </script> </body></html> ]],url ) ngx.say(html) } } location /two { default_type ‘text/html‘; content_by_lua_block { local function decodeBase64(str64) local b64chars = ‘ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/‘ local temp={} for i=1,64 do temp[string.sub(b64chars,i,i)] = i end temp[‘=‘]=0 local str="" for i=1,#str64,4 do if i>#str64 then break end local data = 0 local str_count=0 for j=0,3 do local str1=string.sub(str64,i+j,i+j) if not temp[str1] then return end if temp[str1] < 1 then data = data * 64 else data = data * 64 + temp[str1]-1 str_count = str_count + 1 end end for j=16,0,-8 do if str_count > 0 then str=str..string.char(math.floor(data/math.pow(2,j))) data=math.fmod(data,math.pow(2,j)) str_count = str_count - 1 end end end local last = tonumber(string.byte(str, string.len(str), string.len(str))) if last == 0 then str = string.sub(str, 1, string.len(str) - 1) end return str end local salt = "78t2cs5nim6fpy" local arg = ngx.req.get_uri_args() local address = arg["d"] local timestamp = arg["t"] local sign = arg["s"] if address and timestamp and value then ngx.exit(403) end tmp = "d="..address.."&t="..timestamp.."&v="..salt local rightsign = ngx.md5(tmp) if sign ~= rightsign then ngx.exit(403) end local time_out = 600 local time_now = os.time() if tonumber(timestamp)+time_out<time_now then ngx.exit(403) end local str1 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/" local str2 = "GsW8O7iy1FS02VEIbjwzmH3fZQUBq5T9hrl4CvgNnRMDupYAJokK+ecadtL/P6xX" ans = "" for i=1,#address do local one = string.sub(address,i,i) local num = string.find(str2,one) two = string.sub(str1,num,num) ans = ans..two end url = decodeBase64(ans) html = string.format( [[ <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN"> <html><head> <meta %s"; } </script> <br><br><br> <center> <a id="BAIDU" href="www.baidu.com/?Open=normal&BaiduPartner=360&BaiduVIP=73499" title="360维护网络健康计划：浏览器安全检查通过，请点击进入。" onclick="checkurl();return false;" style="background: #077727;padding: 10px 40px;margin: 15px;color: #fff;border-radius:8px;cursor: pointer;text-decoration:none;">浏览器安全检查通过，请点击进入</a> </center> </body></html> ]],url ) ngx.say(html) } } #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 127.0.0.1; #} # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000 # #location ~ \.php$ { # root html; # fastcgi_pass 127.0.0.1:9000; # fastcgi_index index.php; # fastcgi_param SCRIPT_FILENAME /scripts$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; # } #} } """