下面給大家介紹mybatis interceptor 處理查詢參數及查詢結果,具體代碼如下所示:
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/** * Created by windwant on 2017/1/12. */ @Intercepts ({ @Signature (type=Executor. class ,method= "update" ,args={MappedStatement. class ,Object. class }), @Signature (type=Executor. class ,method= "query" ,args={MappedStatement. class ,Object. class ,RowBounds. class ,ResultHandler. class }) }) public class EncryptInterceptor implements Interceptor { public static final Logger logger = LoggerFactory.getLogger(EncryptInterceptor. class ); @Override public Object intercept(Invocation invocation) throws Throwable { dealParameter(invocation); Object returnValue = invocation.proceed(); dealReturnValue(returnValue); return returnValue; } //查詢參數加密處理 private void dealParameter(Invocation invocation) { MappedStatement statement = (MappedStatement) invocation.getArgs()[ 0 ]; String mapperl = ConfigUtils.get( "mybaits.mapper.path" ); String methodName = statement.getId().substring(statement.getId().indexOf(mapperl) + mapperl.length() + 1 ); if (methodName.startsWith( "UserBaseMapper" )){ if (methodName.equals( "UserBaseMapper.updateDriver" )){ ((Driver) invocation.getArgs()[ 1 ]).encrypt(); } } logger.info( "Mybatis Encrypt parameters Interceptor, method: {}, args: {}" , methodName, invocation.getArgs()[ 1 ]); } //查詢結果解密處理 private void dealReturnValue(Object returnValue){ if (returnValue instanceof ArrayList<?>){ List<?> list = (ArrayList<?>)returnValue; for (Object val: list){ if (val instanceof Passenger){ /// //TODO } logger.info( "Mybatis Decrypt result Interceptor, result object: {}" , ToStringBuilder.reflectionToString(val)); } } } @Override public Object plugin(Object target) { return Plugin.wrap(target, this ); } @Override public void setProperties(Properties properties) { } } |
添加配置:
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<bean id= "sqlSessionFactory" class = "org.mybatis.spring.SqlSessionFactoryBean" > <property name= "typeAliasesPackage" value= "com.xx.model" /> <property name= "dataSource" ref= "dataSource" /> <!-- 自動掃描mapping.xml文件 --> <property name= "mapperLocations" value= "classpath*:mybatis/*.xml" ></property> <property name= "plugins" > <array> <bean class = "com.github.pagehelper.PageHelper" > <property name= "properties" > <value>dialect=hsqldb</value> </property> </bean> <bean class = "com.xx.interceptor.EncryptInterceptor" > <property name= "properties" > <value>property-key=property-value</value> </property> </bean> </array> </property> </bean> |
以上所述是小編給大家介紹的mybatis interceptor 處理查詢參數及查詢結果的實例代碼,希望對大家有所幫助,如果大家有任何疑問請給我留言,小編會及時回復大家的。在此也非常感謝大家對服務器之家網站的支持!
原文鏈接:http://www.cnblogs.com/niejunlei/archive/2017/01/24/6346610.html