Java Web Slice Programming

In our web development we are in the public some of the methods we need to extract this to achieve the redundancy of the code today I made a collation using the actual application of AOP in the project

First, the XML configuration scan

<?xml version= "1.0"  encoding= "UTF-8"? ><beans xmlns= "http://www.springframework.org/ Schema/beans "    xmlns:xsi=" Http://www.w3.org/2001/XMLSchema-instance " xmlns:aop=" HTTP://WWW.SPRINGFRAMEWORK.ORG/SCHEMA/AOP "    xmlns:context=" http// Www.springframework.org/schema/context "    xsi:schemalocation=" http// www.springframework.org/schema/beans              http://www.springframework.org/schema/beans/spring-beans-3.0.xsd             http://www.springframework.org/schema/context             http://www.springframework.org/schema/context/ spring-context-3.0.xsd            http:// www.springframework.org/schema/aop              http://www.springframework.org/schema/aop/spring-aop-3.0.xsd ">     <aop:aspectj-autoproxy />    <context:component-scan base-package = "Com.leimingtech.platform.core.interceptors"  />    <context:component-scan  base-package= "Com.leimingtech.cms.interceptors"  />

</beans>

   Active slice display column  import java.util.map; import javax.servlet.http.httpservletrequest; import  org.aspectj.lang.annotation.after;import org.aspectj.lang.annotation.afterreturning;import  org.aspectj.lang.annotation.afterthrowing;import org.aspectj.lang.annotation.aspect;import  org.aspectj.lang.annotation.before;import org.aspectj.lang.annotation.pointcut;import  org.springframework.beans.factory.annotation.autowired;import org.springframework.stereotype.component;  import com.leimingtech.core.common.ContentClassify;import  Com.leimingtech.core.base.contextholderutils;import com.leimingtech.core.entity.contentsentity;import  com.leimingtech.core.entity.voteentity;import com.leimingtech.core.service.systemservice;import  com.leimingtech.core.service.voteservicei;import com.leimingtech.core.util.stringutils; /**  *  voting Slice class  *  @author  zhangxiaoqiang * */@Aspect @componentpublic class voteinterceptor{     @Autowired     private  systemservice systemservice;     @Autowired     private  voteservicei voteservice;   /*    *    * The method class that you want to slice     *    */&NB sp;    @Pointcut ("Execution (public *  Com.leimingtech.core.service.ContentsServiceI.saveContent (..)) ")      public void mymethod () {};    /**      *  The following is the use of the weaving point syntax,  see the document contains .  is specified in the method before the execution      *  remember the following such a generic,  * means all      *  @param  map     */      @Before ("MyMethod () &&args (map,..)")     public void beforemethod (Map<string,object> map) {             }    /**     *  after normal execution      *  After saving the content, save voting      *  @param  map     */      @After ("MyMethod () &&args (map,..)")     public void after (Map<string,object> map) {         ContentsEntity contents =  (contentsentity)  map.get ("contents ");        voteentity vote =  (VoteEntity)  map.get ( "Vote");        httpservletrequest request =  Contextholderutils.getrequest ();         //content id         string contentsid = request.getparameter ("ContentsId");         if (Stringutils.isnotempty (contentsid)) {            contents= voteservice.get (ContentsEntity.class,  string.valueof (CONTENTSID));        }         string classify = contents.getclassify ();         if (ContentClassify.CONTENT_VOTE.equals (classify)) {             voteservice.savevote (contents, vote);         }    }    /**     *  after normal execution      */     @AfterReturning ("MyMethod ()")      Public void afterreturnning () {             }    /**     *  Call      * If an exception is thrown /    @Afterthrowing ("MyMethod ()")     public void afterthrowing () {             }    } 

Java Web Slice Programming