J2SE1.6英文api地址: http://download.oracle.com/javase/6/docs/api/
J2SE1.5 英文api地址:http://download.oracle.com/javase/1.5.0/docs/api/J2SE1.4 英文api地址:http://download.oracle.com/javase/1.4.2/docs/api/
J2EE1.5英文api地址: http://download.oracle.com/javaee/5/api/
J2EE1.4英文api地址: http://download.oracle.com/javaee/1.4/api/
J2SE1.6中文api地址:http://www.xasxt.com/java/api/
J2SE1.5中文api地址: http://www.gznc.edu.cn/yxsz/jjglxy/book/Java_api/index.html?overview-summary.html
struts2.1.8.1英文api地址: http://struts.apache.org/2.2.1/struts2-core/apidocs/
struts1.3.8英文api地址: http://struts.apache.org/1.3.8/apidocs/index.html
spring2.5英文api地址: http://static.springsource.org/spring/docs/2.5.x/api/index.html
spring2.0中文 reference地址: http://ajava.org/online/spring2/html/
hibernate3.5.6 Final英文api地址: http://docs.jboss.org/hibernate/core/3.5/javadocs/
hibernate3.5.6 Final中文reference地址: http://docs.jboss.org/hibernate/core/3.5/reference/zh-CN/html/
dwr api : http://directwebremoting.org/dwr/javadoc/
mysql5.1中文reference地址:http://ajava.org/online/mysql5.1/
css2中文手册:http://ajava.org/online/css2/
jquery1.3api:http://ajava.org/online/jQueryAPIhtml/
actionscript3语言和组件参考:http://ajava.org/online/ActionScript3/
ehcache1.7英文api: http://ajava.org/online/ehcache-1.7.0-javadoc/
java语言编码规范中文版: http://doc.javanb.com/code-conventions-for-the-java-programming-language-zh/index.html
log4j1.2.15 api :http://ajava.org/online/log4j-1.2.15-api/
tomcat5.5-doc:http://tomcat.apache.org/tomcat-5.5-doc/introduction.html
tomcat6.0-doc:http://tomcat.apache.org/tomcat-6.0-doc/introduction.html
tomcat7.0-doc:http://tomcat.apache.org/tomcat-7.0-doc/index.html
DHtml/html/css 参考手册:http://www.phpx.com/man/dhtmlcn/
servlet2.5: http://download.oracle.com/docs/cd/E17802_01/products/products/servlet/2.5/docs/servlet-2_5-mr2/
POI官网:http://poi.apache.org/
POI api :http://poi.apache.org/apidocs/index.html
JExcel api:http://jexcelapi.sourceforge.net/resources/javadocs/current/docs/
jxl官网:http://jexcelapi.sourceforge.net/
itext(pdf处理lib):http://sourceforge.net/projects/itext/files/iText/
itext api :http://api.itextpdf.com/itext/
itext example :http://www.itextpdf.com/book/examples.php