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Executor攔截器高級教程QueryInterceptor的規(guī)范_java_腳本之家
return query(ms, parameter, rowBounds, resultHandler, key, boundSql); }上面這兩個方法一樣。由于第一個 query 方法在這里是內(nèi)部調(diào)用,并且我們所有的攔截器都是層層代理的CachingExecutor或基于BaseExecutor的實現(xiàn)類,所以我們能攔截的就是參數(shù)少的這個方法。分頁插件開始從Executor
www.dbjr.com.cn/article/1534...htm 2025-6-1
淺談Java動態(tài)代理的實現(xiàn)_java_腳本之家
enhancer.setCallbacks(newCallback[]{transferInterceptor, queryBalanceInterceptor}); // 實現(xiàn)攔截器和方法的映射,即為不同的方法配置不同的攔截器 enhancer.setCallbackFilter(newBankFilter()); // 創(chuàng)建代理類 BankSystem proxy = (BankSystem) enhancer.create(); // 執(zhí)行轉(zhuǎn)賬,調(diào)用TransferInterceptor booleanok...
www.dbjr.com.cn/article/2131...htm 2025-5-26
MySQL索引失效的八大常見場景及解決方法_Mysql_腳本之家
spring.datasource.hikari.connection-test-query=SELECT 1 spring.jpa.properties.hibernate.generate_statistics=true spring.jpa.properties.hibernate.session.events.log.LOG_QUERIES_SLOWER_THAN_MS=100 // 自定義攔截器記錄慢查詢 @Component public class SlowQueryInterceptor implements HandlerInterceptor { @Override ...
www.dbjr.com.cn/database/341127j...htm 2025-6-4
mybatis-plus 攔截器敏感字段加解密的實現(xiàn)_java_腳本之家
class, method = "query", args = {MappedStatement.class, Object.class, RowBounds.class, ResultHandler.class}) }) public class QueryInterceptor implements Interceptor { /** * 查詢參數(shù)名稱,ParamMap的key值 */ private static final String DECRYPT = "decrypt"; @Autowired private CryptService crypt...
www.dbjr.com.cn/article/2286...htm 2025-6-3
五種SpringBoot實現(xiàn)數(shù)據(jù)加密存儲的方式總結(jié)_java_腳本之家
public class EncryptQueryInterceptor implements Interceptor { @Override public Object intercept(Invocation invocation) throws InvocationTargetException, IllegalAccessException { MappedStatement mappedStatement = (MappedStatement) invocation.getArgs()[0]; String sqlId = mappedStatement.getId(); if (sqlId.contains...
www.dbjr.com.cn/program/304239p...htm 2025-6-7
mybatis攔截器實現(xiàn)數(shù)據(jù)權(quán)限項目實踐_java_腳本之家
在MySqlInterceptor上標記@DependsOn("queryInterceptor") 啟動報錯,這個時候queryInterceptor還沒有實例化對象。 @PostConstruct @PostConstruct修飾的方法會在服務(wù)器加載Servlet的時候運行,并且只會被服務(wù)器執(zhí)行一次。在同一個類里,執(zhí)行順序為順序如下:Constructor > @Autowired > @PostConstruct。 但它也不能保證不同類的...
www.dbjr.com.cn/program/288019s...htm 2025-6-5
mybatis實戰(zhàn)之攔截器解讀_Mysql_腳本之家
第二種情況,例如都攔截 Executor 的 query 方法,這時你配置攔截器的順序就會對這里有影響了。比如配置如下。1 2 3 4 5 <plugins> <plugin interceptor="com.github.pagehelper.ExecutorQueryInterceptor1"/> <plugin interceptor="com.github.pagehelper.ExecutorQueryInterceptor2"/> <plugin interceptor="com.github....
www.dbjr.com.cn/article/2784...htm 2025-6-6
Mybatis之通用Mapper動態(tài)表名及其原理分析_java_腳本之家
innerInterceptor.beforePrepare(sh, connections, transactionTimeout); } } } return invocation.proceed(); } beforeQuery負責(zé)是否進行表解析的判斷 1 2 3 4 5 6 7 public void beforeQuery(Executor executor, MappedStatement ms, Object parameter, RowBounds rowBounds, ResultHandler resultHandler, BoundSql bou...
www.dbjr.com.cn/program/296619q...htm 2023-8-29
java通過MySQL驅(qū)動攔截器實現(xiàn)執(zhí)行sql耗時計算_java_腳本之家
1 url: jdbc:mysql://127.0.0.1:3316/log-helper?useUnicode=true&characterEncoding=UTF8&queryInterceptors=com.redick.support.mysql.Mysql8QueryInterceptor&serverTimezone=CST 測試結(jié)果 sql執(zhí)行前日志 1 {"@timestamp":"2023-02-28T17:16:29.234+08:00","@version":"0.0.1","message":"開始執(zhí)行sql","...
www.dbjr.com.cn/article/2784...htm 2025-6-3