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) {
}
}
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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>
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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