Spring Configuration file Assembly Bean

<?xml version= "1.0" encoding= "UTF-8"?> <! DOCTYPE beans Public "-//spring//dtd bean//en" "Http://www.springframework.org/dtd/spring-beans.dtd" > <beans > <bean id= "Mybean" class= "Cn.com.jinlulu.pj.instance.Message" > <property name= "Message" ><!-
    -The name in this must be the same as your entity name-<value>spring!</value> </property> </bean> <bean id= "Duke" class= "Cn.com.jinlulu.pj.springinaction.Juggler" > <constructor-arg value= "/> &lt" ;/bean> <bean id= "Poeticduke" class= "Cn.com.jinlulu.pj.springinaction.PoeticJuggler" > <constructor-ar G value= "/> <constructor-arg ref=" sonnect29 "/> </bean> <bean id=" sonnect29 "class=" cn.co M.jinlulu.pj.dao.impl.sonnect29 "> </bean> <bean id=" thestage "class=" cn.com.jinlulu.pj.springinaction. Stage "factory-method=" getinstance "> </bean> <bean id=" Kenny "class=" Cn.com.jinlUlu.pj.springinaction.Instrumentalist "> <property name=" song "value=" Bigbong "></property> <pro Perty name= "instrument" ref= "saxophone" > <!--I can put this saxophone here, to prevent other bean calls, only this Kenny--<! --<bean class= "Cn.com.jinlulu.pj.dao.impl.Saxophone" ></bean> </property> <!--here cannot support Holding multiple properties can be used with the list below--<!--<property name= "instrument" ref= "Piano" ></property>-</bea N> <!--Another way of expression is the same as the one above--<!--<bean id= "Kenny" class= "Cn.com.jinlulu.pj.springinaction.Instrume Ntalist "p:song=" Bigbong "p:instrument-ref=" saxophone "/> and <bean id=" saxophone "class=" CN.COM.JINLULU.P J.dao.impl.saxophone "></bean> <bean id=" Piano "class=" Cn.com.jinlulu.pj.dao.impl.Piano "></bean > <!--From here can support multiple properties--<bean id= "Hand" class= "Cn.com.jinlulu.pj.springinaction.OneManBand" > &L T;property name= "Instruments" &Gt <list><!--can support members repeat---<ref bean= "Piano"/><!--of course this bean we've already written in front--<ref bean= 
    "Saxophone"/> <ref bean= "saxophone"/><!--the contents of this line can be displayed--</list> </property> </bean> <bean id= "Hand2" class= "Cn.com.jinlulu.pj.springinaction.OneManBand" > <property name= "Instruments" > <set><!--cannot support member repeats--<!--set can be configured in a property of type java.util.List, but ensure that members of the list type do not repeat --<ref bean= "Piano"/> <ref bean= "saxophone"/> <ref bean= "saxophone"/><!--this The contents of the line are not lost, possibly because the set cannot be duplicated, but it is not an error--</set> </property> </bean> <!--map--&G
    T
    		<bean id= "Hand3" class= "Cn.com.jinlulu.pj.springinaction.OneManBand" > <property name= "Instrumentmap" > <map> <entry key= "PIANO" value-ref= "PIANO"/> <entry key= "saxophone" value-ref= "saxophone"/
  >  		</map> </property> </bean> <!--If both the key and value in the map are string, you can also refer to this method-<! --<bean id= "Hand4" class= "Cn.com.jinlulu.pj.springinaction.OneManBand" > <property name= "Instrumentmap" >instrumentmap types are properties <props> <prop key= "Piano" >BOON</prop> <prop key= " Saxophone ">TOOT</prop> </props> </property> </bean>--<!--Some of the properties want him empty. Value (this is not common)-<bean id= "Hand5" class= "Cn.com.jinlulu.pj.springinaction.OneManBand" > <property name= " Instrumentmap "><null/></property> </bean> <!--spel-<bean id=" Kenny2 "class=
    	"Cn.com.jinlulu.pj.springinaction.Instrumentalist" > <property name= "song" Value= "#{3}" ></property> <!--<property name= "song" Value= "#{3.2}" ></property> <property name= "song" Value= "#{1e4}" &GT;&L T;/property> <propeRty name= "song" value= "#{' Chuck '}" ></property> <property name= "song" Value= ' #{"Chuck"} ' ></ Property> <property name= "song" Value= "#{false}" ></property> </bean> <!--using SP
    	El assembles a bean into the Instrument property--<bean id= "Kenny3" class= "Cn.com.jinlulu.pj.springinaction.Instrumentalist" > <property name= "instrument" value= "#{saxophone}"/> <!--<property name= "instrument" ref= "saxophone"/&G T -</bean> <bean id= "Cerl" class= "cn.com.jinlulu.pj.springinaction.Instrumentalist" > <prop Erty name= "song" Value= "#{kenny.song}"/> </bean> <!--Spel There is also a powerful feature reference method if this selectsong returns NULL, a null pointer exception is reported--&
    Gt 
    	<!--<bean id= "" class= "" > <property name= "song" Value= "#{songselector.selectsong (). toUpperCase ()}"/> This does not quote a null pointer exception means that the Selectsong () method does not call the toUpperCase () method if it returns null <property name= "song" Value= "#{songselector.selects Ong (): toUpperCase ()} "/&Gt </bean>-<!--Spel methods and constants for calling class scopes random () The method returns an unsigned double value that is greater than or equal to 0.0 and less than 1.0. --<bean id= "Math" class= "Cn.com.jinlulu.pj.springinaction.MathForMathod" > <property name= "Multiplie R "value=" #{t (Java.lang.Math). PI} "/> <property name=" Randomnumber "value=" #{t (Java.lang.Math). Random ()} "/> </bean> <!--do Two numbers add of course multiplication * Division/remainder% is also available, you can also use "1" + "" to connect strings-<!--<bean id= "" class= "" > <property name= "Adjustamo Unt "value=" #{counter.total+42} "/> </bean> <!--You can tell, it returns a Boolean type--<!--< > &L t;= >= = = can be used, but preferably in spel text Format lt gt le ge eq--<!--<bean id= "" class= "" > <property name= "Isequa L "value=" #{counter.total = = "/> </bean> <!--can use and or not OR! -<!--<bean id= "" class= "" > <property name= "largecircle" value= "#{shape.kind== ' Circle ' and Shap E.perimeter GT 10000} "/> </Bean>-<!--can use the ternary operator-<!--<bean id= "" class= "> <property name=" largecircle " Value= "#{songselector.selectsong== ' Jingle Bells '? Piano:saxophone}"/> </bean> <!--<bean id= " "Class=" "> <property name=" largecircle "value=" #{songselector.selectsong==null? Songselector.selectsong: ' saxophone '/> </bean> <!--this way can be written as follows--<!--<bean I d= "class=" "> <property name=" largecircle "value=" #{songselector.selectsong?: ' Saxophone '} "/> </bea N>-<!--expressions List can also be used this way-<!--<util:list id= "Cities" > <bean class= "" P:name= "11
    	1 "p:state=" ga "p:population=" 1145451 "/> <bean class=" "p:name=" 121 "p:state=" GA "p:population=" 1145451 "/> <bean class= "" P:name= "113" p:state= "GA" p:population= "1145451"/> <bean class= "" P:name= "211" p:state= "G A "p:population=" 1145451 "/> <bean class=" "p: Name= "131" p:state= "ga" p:population= "1145451"/> <bean class= "" P:name= "" p:state= "ga" p:population= "114545 1 "/> </util:list> <!--<bean id=" City "class=" "> <property name=" chosencity "Valu E= "#{city[2]}"/> </bean> <!--<bean id= "City" class= "" > <property name= "chosencit Y "value=" #{city[' 111 '} "/> </bean> <!--load Other profiles--<!--setting Bean is a JAVA.UTIL.P Roperties class so you can access properties-<util:properties id= "setting" location= "classpath:setting.properties"/ > <!--<bean id= "City" class= "" > <property name= "Accesstoken" value= "#{settings[" Twitter.accesstok En ']} "/> </bean> <!--systemenvironment contains all environment variables for the application environment on the machine--<bean id=" HomePath "Clas
    S= "" > <property name= "HomePath" value= "#{systemenvironment[' HOME ']}" ></property> </bean> <!--systemproperties contains JAVA all properties that are set when the application starts--<bean id= "homePath2" class= "" > <property name= "HomePath" value= "#{systemproperti es[' Application.home '} ' ></property> </bean> <!--query cities with more than 1000 population---<bean> &lt ;p roperty name= "bigcities" value= "#{cities.? [Population GT 1000]} " ></property> </bean> <!--query out the first match-<bean> <property name= "abigcity" va 
    	lue= "#{cities.^[population gt"} "></property> </bean> <!--find out the last match--<bean> <property name= "abigcity" value= "#{cities.$[population GT"} "></property> </bean> < !--Projection Collection! []--> <!--to select a specific property from each member of the collection in a new collection-<!--a collection of string that contains only the city name--<!--contains 111 121 11 3--<bean> <property name= "Citynames" value= "#{cities.! [Name]} " ></property> </bean> <!--can also have multiple--<bean> <property name= "Citynames" value= "#{cities.! [name+ ', ' +state]} ' ></property> </bean> <!--put more than 1000 cities in a new collection--<bean> <property name= " Citynames "value=" #{cities.? [Population GT 1000].! [name+ ', ' +state]} ' ></property> </bean> </beans>