jsp技术发展史

jsp技术发展史内容摘要：

and is explain by the language engine to carry out the procedure code in the code of we are simple of carry on the introduction to it. B. JSP characteristics Is a service according to the script language in some one language of the statures system this kind of discuss, the JSP should be see make is a kind of script , be a kind of script language, the JSP seemed to be too strong again, almost can use all Javas in the JSP. Be a kind of according to text originally of, take manifestation as the central development technique, the JSP provided all advantages of the Java Servlet, and, when xxxxxx 毕业设计（文献翻译） 第 5 页 bine with a JavaBeans together, providing a kind of make contents and manifestation that simple way that logic the contents and advantage of logical manifestations is, the personnel who renews the page external appearance need not know the code of Java, and renew the JavaBeans personnel also need not be design the web page of expert in hand, can use to take the page of JavaBeans JSP to define the template of Web, to build up a from have the alike external appearance of the website that page pletes the data to provide, having no code of Java in the template thus, this means that these templates can be written the personnel by a HTML plait to , can also make use of the Java Servlet to control the logic of the website, adjust through the Java Servlet to use the way of the document of JSP to separate website of logic and contentses. Generally speaking, in actual engine of JSP, the page of JSP is the edit and translate type while carry out, not explain the type the dynamic state web page development tool of the type,such as ASP, PHP3 etc., because speed etc. reason, have already can39。 t satisfy current the large electronic merce needs appliedly, traditional development techniques are all at to edit and translate the executive way change, such as the ASP → ASP+。 PHP3 → PHP4. In the JSP norm book, did not request the procedure in the JSP code part( be called the Scriptlet) and must write with the Java , have some engines of JSP are adoptive other script languageses, such as the EMAC Script, WebL etc., but actually this a few script languages also are to set up on the Java, edit and translate for the Servlet to carry out according to the norm of JSP, have no Scriptlet of relation with Java also is can of, however, mainly lie in the ability and JavaBeans, the Enterprise JavaBeanses because of the JSP strong function to work together, so even is the Scriptlet part not to use the Java, edit and translate of performance code also should is related with Java. C. JSP mechanism To prehend the JSP how unite the technical advantage that above various speak of, e to carry out various result easily, the customer must understand the differentiation of the module develops。