AppFuse中经过分析使用了大量的开源框架和组件。个人认为整个后台还不是强大，可能与它的定位有关联。我们在项目中积累了大量的Spring以及Hibernate应用都要比之要强很多。但appFuse的前台整合还是相当不错的。先学一个gzipFilter gzipFilter其实就位于eHcache里面，他是将response中的东东都压缩一下，这个可大大减少了传输时间。 配置web.xml
Java代码 <filter> <filter-name>gzipFilter</filter-name> <filter-class> net.sf.ehcache.constructs.web.filter.GzipFilter </filter-class> </filter> <filter-mapping> <filter-name>gzipFilter</filter-name> <url-pattern>*.css</url-pattern> </filter-mapping> <filter-mapping> <filter-name>gzipFilter</filter-name> <url-pattern>*.png</url-pattern> </filter-mapping> <filter-mapping> <filter-name>gzipFilter</filter-name> <url-pattern>*.gif</url-pattern> </filter-mapping> <filter-mapping> <filter-name>gzipFilter</filter-name> <url-pattern>*.html</url-pattern> </filter-mapping> <filter-mapping> <filter-name>gzipFilter</filter-name> <url-pattern>*.jsp</url-pattern> </filter-mapping> <filter-mapping> <filter-name>gzipFilter</filter-name> <url-pattern>*.js</url-pattern> </filter-mapping> <filter-mapping> <filter-name>gzipFilter</filter-name> <url-pattern>*.json</url-pattern> </filter-mapping> <filter> <filter-name>gzipFilter</filter-name> <filter-class> net.sf.ehcache.constructs.web.filter.GzipFilter </filter-class> </filter> <filter-mapping> <filter-name>gzipFilter</filter-name> <url-pattern>*.css</url-pattern> </filter-mapping> <filter-mapping> <filter-name>gzipFilter</filter-name> <url-pattern>*.png</url-pattern> </filter-mapping> <filter-mapping> <filter-name>gzipFilter</filter-name> <url-pattern>*.gif</url-pattern> </filter-mapping> <filter-mapping> <filter-name>gzipFilter</filter-name> <url-pattern>*.html</url-pattern> </filter-mapping> <filter-mapping> <filter-name>gzipFilter</filter-name> <url-pattern>*.jsp</url-pattern> </filter-mapping> <filter-mapping> <filter-name>gzipFilter</filter-name> <url-pattern>*.js</url-pattern> </filter-mapping> <filter-mapping> <filter-name>gzipFilter</filter-name> <url-pattern>*.json</url-pattern> </filter-mapping>效果，你可以用FoxFire的net看各个css，js文件可是压缩50%以上哦。 写了一个jsp文件专门评估
Java代码 <%@ page language="java" import="java.util.*,java.net.*,java.io.*" pageEncoding="ISO-8859-1"%> <% String path = request.getContextPath(); String basePath = request.getScheme() + "://" + request.getServerName() + ":" + request.getServerPort() + path + "/"; %> <% String url = request.getParameter("url"); if (url != null) { URL noCompress = new URL(url); HttpURLConnection huc = (HttpURLConnection) noCompress .openConnection(); huc.setRequestProperty("user-agent", "Mozilla(MSIE)"); huc.connect(); ByteArrayOutputStream baos = new ByteArrayOutputStream(); InputStream is = huc.getInputStream(); while (is.read() != -1) { baos.write((byte) is.read()); } byte[] b1 = baos.toByteArray(); URL compress = new URL(url); HttpURLConnection hucCompress = (HttpURLConnection) noCompress .openConnection(); hucCompress.setRequestProperty("accept-encoding", "gzip"); hucCompress.setRequestProperty("user-agent", "Mozilla(MSIE)"); hucCompress.connect(); ByteArrayOutputStream baosCompress = new ByteArrayOutputStream(); InputStream isCompress = hucCompress.getInputStream(); while (isCompress.read() != -1) { baosCompress.write((byte) isCompress.read()); } byte[] b2 = baosCompress.toByteArray(); request.setAttribute("t1", new Integer(b1.length)); request.setAttribute("t2", new Integer(b2.length)); request.setAttribute("t3", (1 - new Double(b2.length) / new Double(b1.length)) * 100); } request.setAttribute("url", url); %> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <base href="<%=basePath%>"> <title>My JSP 'MyJsp.jsp' starting page</title> <meta http-equiv="pragma" content="no-cache"> <meta http-equiv="cache-control" content="no-cache"> <meta http-equiv="expires" content="0"> <meta http-equiv="keywords" content="keyword1,keyword2,keyword3"> <meta http-equiv="description" content="This is my page"> <!-- <link rel="stylesheet" type="text/css" href="styles.css"> --> </head> <body> This is my JSP page. <br> <h1> Compression Test </h1> Enter a URL to test. <form method="POST"> <input name="url" size="50"> <input type="submit" value="Check URL"> </form> <p> <%=url%> <b>Testing: ${url}</b> </p> Request 1: ${t1} bytes <%=request.getAttribute("t1")%> <br /> Request 2: ${t2} bytes <%=request.getAttribute("t2")%> <br /> Space saved: ${t1-t2} bytes or ${(1-t2/t1)*100}% <%=request.getAttribute("t3")%>% <br /> </body> </html>
erichua 写道 AppFuse中经过分析使用了大量的开源框架和组件。个人认为整个后台还不是强大，可能与它的定位有关联。我们在项目中积累了大量的Spring以及Hibernate应用都要比之要强很多。但appFuse的前台整合还是相当不错的。先学一个gzipFilter gzipFilter其实就位于eHcache里面，他是将response中的东东都压缩一下，这个可大大减少了传输时间。 配置web.xml Java代码 <filter> <filter-name>gzipFilter</filter-name> <filter-class> net.sf.ehcache.constructs.web.filter.GzipFilter </filter-class> </filter> <filter-mapping> <filter-name>gzipFilter</filter-name> <url-pattern>*.css</url-pattern> </filter-mapping> <filter-mapping> <filter-name>gzipFilter</filter-name> <url-pattern>*.png</url-pattern> </filter-mapping> <filter-mapping> <filter-name>gzipFilter</filter-name> <url-pattern>*.gif</url-pattern> </filter-mapping> <filter-mapping> <filter-name>gzipFilter</filter-name> <url-pattern>*.html</url-pattern> </filter-mapping> <filter-mapping> <filter-name>gzipFilter</filter-name> <url-pattern>*.jsp</url-pattern> </filter-mapping> <filter-mapping> <filter-name>gzipFilter</filter-name> <url-pattern>*.js</url-pattern> </filter-mapping> <filter-mapping> <filter-name>gzipFilter</filter-name> <url-pattern>*.json</url-pattern> </filter-mapping> <filter> <filter-name>gzipFilter</filter-name> <filter-class> net.sf.ehcache.constructs.web.filter.GzipFilter </filter-class> </filter> <filter-mapping> <filter-name>gzipFilter</filter-name> <url-pattern>*.css</url-pattern> </filter-mapping> <filter-mapping> <filter-name>gzipFilter</filter-name> <url-pattern>*.png</url-pattern> </filter-mapping> <filter-mapping> <filter-name>gzipFilter</filter-name> <url-pattern>*.gif</url-pattern> </filter-mapping> <filter-mapping> <filter-name>gzipFilter</filter-name> <url-pattern>*.html</url-pattern> </filter-mapping> <filter-mapping> <filter-name>gzipFilter</filter-name> <url-pattern>*.jsp</url-pattern> </filter-mapping> <filter-mapping> <filter-name>gzipFilter</filter-name> <url-pattern>*.js</url-pattern> </filter-mapping> <filter-mapping> <filter-name>gzipFilter</filter-name> <url-pattern>*.json</url-pattern> </filter-mapping> 效果，你可以用FoxFire的net看各个css，js文件可是压缩50%以上哦。 写了一个jsp文件专门评估 Java代码 <%@ page language="java" import="java.util.*,java.net.*,java.io.*" pageEncoding="ISO-8859-1"%> <% String path = request.getContextPath(); String basePath = request.getScheme() + "://" + request.getServerName() + ":" + request.getServerPort() + path + "/"; %> <% String url = request.getParameter("url"); if (url != null) { URL noCompress = new URL(url); HttpURLConnection huc = (HttpURLConnection) noCompress .openConnection(); huc.setRequestProperty("user-agent", "Mozilla(MSIE)"); huc.connect(); ByteArrayOutputStream baos = new ByteArrayOutputStream(); InputStream is = huc.getInputStream(); while (is.read() != -1) { baos.write((byte) is.read()); } byte[] b1 = baos.toByteArray(); URL compress = new URL(url); HttpURLConnection hucCompress = (HttpURLConnection) noCompress .openConnection(); hucCompress.setRequestProperty("accept-encoding", "gzip"); hucCompress.setRequestProperty("user-agent", "Mozilla(MSIE)"); hucCompress.connect(); ByteArrayOutputStream baosCompress = new ByteArrayOutputStream(); InputStream isCompress = hucCompress.getInputStream(); while (isCompress.read() != -1) { baosCompress.write((byte) isCompress.read()); } byte[] b2 = baosCompress.toByteArray(); request.setAttribute("t1", new Integer(b1.length)); request.setAttribute("t2", new Integer(b2.length)); request.setAttribute("t3", (1 - new Double(b2.length) / new Double(b1.length)) * 100); } request.setAttribute("url", url); %> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <base href="<%=basePath%>"> <title>My JSP 'MyJsp.jsp' starting page</title> <meta http-equiv="pragma" content="no-cache"> <meta http-equiv="cache-control" content="no-cache"> <meta http-equiv="expires" content="0"> <meta http-equiv="keywords" content="keyword1,keyword2,keyword3"> <meta http-equiv="description" content="This is my page"> <!-- <link rel="stylesheet" type="text/css" href="styles.css"> --> </head> <body> This is my JSP page. <br> <h1> Compression Test </h1> Enter a URL to test. <form method="POST"> <input name="url" size="50"> <input type="submit" value="Check URL"> </form> <p> <%=url%> <b>Testing: ${url}</b> </p> Request 1: ${t1} bytes <%=request.getAttribute("t1")%> <br /> Request 2: ${t2} bytes <%=request.getAttribute("t2")%> <br /> Space saved: ${t1-t2} bytes or ${(1-t2/t1)*100}% <%=request.getAttribute("t3")%>% <br /> </body> </html> <%@ page language="java" import="java.util.*,java.net.*,java.io.*" pageEncoding="ISO-8859-1"%> <% String path = request.getContextPath(); String basePath = request.getScheme() + "://" + request.getServerName() + ":" + request.getServerPort() + path + "/"; %> <% String url = request.getParameter("url"); if (url != null) { URL noCompress = new URL(url); HttpURLConnection huc = (HttpURLConnection) noCompress .openConnection(); huc.setRequestProperty("user-agent", "Mozilla(MSIE)"); huc.connect(); ByteArrayOutputStream baos = new ByteArrayOutputStream(); InputStream is = huc.getInputStream(); while (is.read() != -1) { baos.write((byte) is.read()); } byte[] b1 = baos.toByteArray(); URL compress = new URL(url); HttpURLConnection hucCompress = (HttpURLConnection) noCompress .openConnection(); hucCompress.setRequestProperty("accept-encoding", "gzip"); hucCompress.setRequestProperty("user-agent", "Mozilla(MSIE)"); hucCompress.connect(); ByteArrayOutputStream baosCompress = new ByteArrayOutputStream(); InputStream isCompress = hucCompress.getInputStream(); while (isCompress.read() != -1) { baosCompress.write((byte) isCompress.read()); } byte[] b2 = baosCompress.toByteArray(); request.setAttribute("t1", new Integer(b1.length)); request.setAttribute("t2", new Integer(b2.length)); request.setAttribute("t3", (1 - new Double(b2.length) / new Double(b1.length)) * 100); } request.setAttribute("url", url); %> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <base href="<%=basePath%>"> <title>My JSP 'MyJsp.jsp' starting page</title> <meta http-equiv="pragma" content="no-cache"> <meta http-equiv="cache-control" content="no-cache"> <meta http-equiv="expires" content="0"> <meta http-equiv="keywords" content="keyword1,keyword2,keyword3"> <meta http-equiv="description" content="This is my page"> <!-- <link rel="stylesheet" type="text/css" href="styles.css"> --> </head> <body> This is my JSP page. <br> <h1> Compression Test </h1> Enter a URL to test. <form method="POST"> <input name="url" size="50"> <input type="submit" value="Check URL"> </form> <p> <%=url%> <b>Testing: ${url}</b> </p> Request 1: ${t1} bytes <%=request.getAttribute("t1")%> <br /> Request 2: ${t2} bytes <%=request.getAttribute("t2")%> <br /> Space saved: ${t1-t2} bytes or ${(1-t2/t1)*100}% <%=request.getAttribute("t3")%>% <br /> </body> </html>
应用服务器应该都支持压缩吧，weblogic和tomcat都可以，在app中实现有什么好处呢？不会增加复杂性和出错的概率吗？
