下面给大家介绍mybatis interceptor 处理查询参数及查询结果,具体代码如下所示:
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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; } //查询参数加密处理 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 ]); } //查询结果解密处理 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" /> <!-- 自动扫描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> |
以上所述是小编给大家介绍的mybatis interceptor 处理查询参数及查询结果的实例代码,希望对大家有所帮助,如果大家有任何疑问请给我留言,小编会及时回复大家的。在此也非常感谢大家对服务器之家网站的支持!
原文链接:http://www.cnblogs.com/niejunlei/archive/2017/01/24/6346610.html