java web page tutorial

Http://www.cnblogs.com/xiaoMzjm/p/3899366.htmlBackgroundIn the previous post Java Crawl Web page content Simple example (1)-using regular expressions inside, describes how to use regular expressions to parse the content of the Web page, although the regular expression is mor

generated key, (about 84 lines) Uncomment first " line needs to be added; protocol= "Org.apache.coyote.http11.Http11NioProtocol" maxthreads= "150" Sslenabled= "true" scheme= "https" secure= "true" Clientauth= "false" sslprotocol= "TLS" keystorefile= "/usr/ Local/tomcat/keystore "keystorepass=" 123456 "/> 3. Restart Service /usr/local/tomcat/bin/shutdown.sh /usr/local/ TOMCAT/BIN/STARTUP.SH 4. Client authentication, specifically indicating access to port 8443 because the open security por

develop JSPs. Dynamically implemented parts can be developed with a number of programs that are tagged with the JSP language itself, such as How the JSP works: When the Web server encounters a request to access a JSP Web page, it executes the Java program segment, and then returns the execution result along with the H

Java is a programming language, Java applets (Java applet) is a Java based on the evolving, can be embedded in the Web page, can perform a small task of the application. Effect description Create the file, take the

Step 1: Introducing PackagesUrlrewrite 3.2.0.jar: (Click I download)Step 2: The filter filter is configured in the Web. xml file, the code is as follows filter-name > urlrewritefilter filter-name > Org.tuckey.web.filters.urlrewrite.UrlRewriteFilterfilter-class > Filter-name > > Step 3: Web-inf Create a new Urlrewrite.xml file with the follow

(); Thetime.set (Calendar.year,integer.parseint (seg[0)); Thetime.set (Calendar.month, Integer.parseint (seg[1)); Thetime.set (CALENDAR.DAy_of_month, Integer.parseint (seg[2]); if (Current.compareto (thetime) >=0) {return seg[0]+ "-+seg[1]+"-"+seg[2]+" "+ 00:00:00"; } P_SEP = null; M_SEP = null; Pattern P_sep_ym = Pattern.compile (URL_REG_SEP_YM); Matcher m_sep_ym = p_sep_ym.matcher (URL); if (m_sep_ym.find (0) m_sep_ym.groupcount () >0) {String time

Java implements GZIP decompression of HTML Web pagesFound in the Web Capture, many of the returned pages are compressed, such as access to the Google home page, the returned header file contains content-encoding gzipThe use of gzip can save a lot of web traffic, in the case

Recently implemented a simple Web data crawl using Java, the following is the implementation of the principle and implementation of code:Principle: Use java.net The following URL object to get a link, download the source code of the target webpage, use Jsoup to parse the data in the source code, get the content you want1. First, download the source code according to the URL:/*** Download source code accordi

Java Web page Jump server jump and client jump:server-side jumps are characterized by: the browser's address bar will not change after the jump, when using the Rquest attribute range, you can save the request property to the jump page. Execution to the jump statement jumps immediately.Example: Or: client jumps are char

(string html) {StringBuffer Buffer = new StringBuffer (); str1 String = ""; 92 String str2 = ""; The Buffer.append ("Today:"); 94 95//Remove useful range of the Pattern p = Pattern.compile ("(. *) ("detailed"34-49 line : Through the URL to get the source of the Web page, nothing to say.96 Line : Press F12 on the Web

Label:The first two articles describe how to configure MyEclipse and Tomcat to develop JSP Web sites, how to configure the servlet simple implementation form submission, this article mainly describes the configuration of MySQL implementation database connection MyEclipse, and finally the query table data displayed in the JSP Web page. The main picture is mainly d

Learn Java regular expressions, crawl Web pages, and parse HTML parts Package Com.xiaofeng.picup; Import Java.io.BufferedReader; Import java.io.IOException; Import Java.io.InputStreamReader; Import java.net.MalformedURLException; Import Java.net.URL; Import java.util.ArrayList; Import Java.util.HashMap; Import java.util.List; Import Java.util.regex.Matcher; Import Java.util.regex.Pattern; /** *//**

(nbsp;). The C # code is as follows: Byte[] space = new BYTE[]{0XC2,0XA0}; String utfspace = encoding.getencoding ("UTF-8"). GetString (space); Htmlstr = Htmlstr.replace (Utfspace, "nbsp;");Java Edition:byte bytes[] = {(byte) 0xC2, (byte) 0xA0};String utfspace = new String (bytes, "Utf-8");html = Html.replaceall (Utfspace, "nbsp;"); If you do this, you will not replace the question mark in the string with a blank space. Y