Package Com.fxr.spring.action;import Java.util.list;import Javax.annotation.resource;import Org.springframework.context.annotation.scope;import Org.springframework.stereotype.controller;import Com.fxr.spring.model.user;import Com.fxr.spring.service.UserService; @Controller ("useraction")// The MVC control layer typically uses @controller@scope ("prototype")//set to multiple mode public class Useraction {private User u;private int id;private UserService userservice;private list Spring's AOP
Recently practice writing crawler, originally climbed a few mm chart to do the test, but climbed to dozens of pieces of time will return 403 error, this is the site server found, I was blocked.Therefore, you need to use proxy IP. In order to facilitate later use, I intend to write an automatic crawling IP agent crawler, is so-called, Ax, after reading High school
() for
sel in Response.xpath ('//tr '):
ip= Sel.xpath ('.//td[2]/text () '). Extract_first () Port=sel.xpath (
'.//td[3]/ Text () "). Extract_first ()
item[' IP ']=str (IP) +": "+str (port)
yield item
3, the preparation of pipeline
#-*-Coding:utf-8-*-
# Define Your item pipelines here
#
Don ' t forget
= realsubject) {11 realsubject = new realsubject (); 12} 13 realsubject. request (); // the real role completes the task 14 This. bacrequest (); 15} 16 // The proxy object can add some methods before and after the real role is completed. 17 // It is like an intermediary asking the tenant to view the room (prerequest () method), 18 // then, together with the landlord and the tenant to complete the rental (Request () method ), 19 // The final payment f
The first example is set up a proxy IP, is not reliable, the best way is to set a few more, such as the second example, through http://www.youdaili.net/Daili/you can find a lot of proxy IP,Crawl domestic web site as far as possible to select China's IP (although this free
Take 61.133.90.59:80@http$6132,810,811# Shandong province Yantai an agent for example.
61.133.90.59 is represented as a proxy server with an IP address of 61.133.90.59
: 80 ":" The following 80 indicates that the proxy server's service port is 80 (21, 23, 80, 1080, 3128, 8080, etc.)
HTTP, after @HTTP "@", represents the type of the
is forwarded to the Tomcat cluster, so the request will not be completed in Nginx native, but will be forwarded to the server cluster. In addition, because two servers are defined in the cluster, user requests are assigned in turn, which is the ability to load balance:3) Visit node5.a.com/1.jpg650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M00/6C/99/wKiom1VM2QyBnqhMAAOS94DHC_Y377.jpg "title=" 1.jpg " alt= "wkiom1vm2qybnqhmaaos94dhc_y377.jpg"/> Note: define ~* \ in Nginx.cong. (jpg|png|g
If it is a proxy server, the IP address is not a leak, so we can change their computer to proxy server to achieve the directory of hidden IP address, the specific method is as follows: Machine change to proxy server so as to achieve the purpose of hiding
Configure nginx reverse proxy Apache for different ports with the same IP address (that is, nginx jumps to Apache)
Nginx and Apache have been installed in a Linux environment since the default port is 80.
Generally, the server port requested by the customer is 80 by default. Therefore, nginx serves as the static page port and is set to 80.
Set the Apache port t
Help friend grabbed some proxy IP, and according to test the continuity of the joint, placed in the folder under the non-pass. Share the source codeAttention:1, environmental Python3.52, install BEAUTIFULSOUP4 requestsThe code is as follows:
1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465 66
#-*-coding:gb18030-*-fromb
This article mainly introduces the Python crawler to crawl proxy IP and verify the availability of examples, has a certain reference value, now share to everyone, the need for friends can refer to
Often write crawlers, will inevitably encounter the IP is the target of the site screen, silver, an IP is certainly not en
I. Command Line: {code ...} result: curl :( 56) ProxyCONNECTaborted 2. PHP code {code ...} result: boolean (false) RT is a headache for me. I have not found any information on the website. Can I ask if I can meet my needs? I. command line:
curl -x IP:PORT -k 'https://SITE'
Result: curl: (56) Proxy CONNECT abortedIi. PHP code
$ip = "IP:PORT";$url = "https://SITE";$ch = curl_init($url);curl_setopt($ch, CURLOP
: This article mainly introduces how to use nginx to complete reverse proxy and process static file requests. if you are interested in PHP tutorials, refer to it.
There are three main parts: nginx basic installation and use, reverse proxy and static file processing requests.
1. Installation and Use (windows)
First D
This article is an entry-level introduction to nginx, including installation, basic usage, Server Load balancer, dynamic/static separation, reverse proxy, and cache applications.
Dependency preparationYou can download the dependent libraries from the official website as follows:PCREHttp://www.pcre.org/
ZlibHttp://zlib.netHttp://sourceforge.net/projects/libpng/files/zlib/Zlib.net cannot be accessed... Is i
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