Sharing of graphic and text code for S2SH development applet

1. Source code preparation:

1) struts2 source code:

a) struts-2.1.6-all.zip

b) xwork-2.1.6.rar

c) jp.gr.java_conf.ussiy.app.propedit_5.3.3.zip,eclip se management resource file

2) spring2.5 source code:

a) spring-framework-2.5.6.zip

3) hibernate3.2 source code:

a) hibernate-distribution-3.3.2.GA-dist.zip

b) hibernate-annotations-3.4.0.GA.zip

c) slf4j-1.5.8 .zip

2. The jar package required for SSH:

1) Jar package illustration:

2) Jar package related instructions :

3. Issues that need attention:

1) @Scope(value=”propotype”) Question

a) Each defined action Class, you need to define its type as: prototype, add on the class: @Scope(value="propotype")

b) If not set, for each class initialized by spring, the default Scope value is singleton Way. However, webWork's Action is not thread-safe. It requires that one thread corresponds to an independent instance in a multi-threaded environment, and singleton cannot be used. Therefore, when we configure the webWork Action Bean in Spring, we need to add the attributescope=”prototype” or singleton=”false”. 2) Open

Session

InViewFilter related issues: a) Since Hibernate introduced the Lazy Load feature (), it makes the

object# out of Hibernate's Session cycle ##If you want to get the value of its associated object through the getter/load method, Hibernate will throw a LazyLoad

Exception. b) To solve this problem, Spring introduced this Filter, which makes the life cycle

of Hibernate's Session longer.

c) Specific configuration:

<filter> 
    <filter-name>openSessionInView</filter-name> 
    <filter-class>
org.springframework.orm.hibernate3.support.OpenSessionInViewFilter
    </filter-class>  
    <init-param> 
         <param-name>sessionFactoryBeanName</param-name> 
         <param-value>sf</param-value> 
    </init-param>
</filter> 
<filter-mapping> 
    <filter-name>openSessionInView</filter-name>      
    <url-pattern>/*</url-pattern> 
</filter-mapping>

3) Chinese

garbled code problem

:

a) Chinese garbled code problem, in struts.xml

Medium configuration:

<constant name="struts.i18n.encoding"  value="GB18030"  />

still cannot be solved.

b) This is a bug problem of strtust2.1.6. The solution is to use spring to provide encodingFilter implementation.

c) The specific configuration of encodingFilter:

<filter>
	<filter-name>encodingFilter</filter-name>
	<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
	<init-param>
		<param-name>encoding</param-name>
		<param-value>GBK</param-value>
	</init-param>
</filter>
	
<filter-mapping>
	<filter-name>encodingFilter</filter-name>
	<url-pattern>/*</url-pattern>
</filter-mapping> 

4) The order of filters in web.xml:

a) The filter with greater functionality in web.xml configuration The more worthy ones should be in the front.

b) Diagram of the filtering process of multiple filters:

As follows:

##5)

When uploading the file Clear

cache

filter:

<filter>
     <filter-name>struts-cleanup</filter-name>
     <filter-class>org.apache.struts2.dispatcher.ActionContextCleanUp</filter-class>
</filter>
<filter-mapping>
    <filter-name>struts-cleanup</filter-name>
     <url-pattern>/*</url-pattern>
</filter-mapping>

When uploading files, add the ActionContextCleanUp filter in web.xml. If it is not added, the file will not be retrieved for the first upload. Condition

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