import lombok.extern.slf4j.Slf4j; import org.apache.ibatis.cache.CacheKey; import org.apache.ibatis.executor.Executor; import org.apache.ibatis.mapping.BoundSql; import org.apache.ibatis.mapping.MappedStatement; import org.apache.ibatis.mapping.ParameterMapping; import org.apache.ibatis.plugin.*; import org.apache.ibatis.reflection.MetaObject; import org.apache.ibatis.session.Configuration; import org.apache.ibatis.session.ResultHandler; import org.apache.ibatis.session.RowBounds; import org.apache.ibatis.type.TypeHandlerRegistry; import org.springframework.util.CollectionUtils; import java.text.DateFormat; import java.util.Date; import java.util.List; import java.util.Locale; import java.util.Properties; import java.util.regex.Matcher; /** * @author 公众号: SimpleMemory * @version 1.0.0 * @ClassName FullSQLInterceptor.java * @Description TODO * @createTime 2022年10月14日 18:39:00 */ @Slf4j @Intercepts(value = { @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, CacheKey.class, BoundSql.class}), @Signature(type = Executor.class, method = "query", args = {MappedStatement.class, Object.class, RowBounds.class, ResultHandler.class})}) public class MybatisSqlLoggerInterceptor implements Interceptor { @Override public Object intercept(Invocation invocation) throws Throwable { try { // 获取xml中的一个select/update/insert/delete节点,主要描述的是一条SQL语句 MappedStatement mappedStatement = (MappedStatement) invocation.getArgs()[0]; Object parameter = null; // 获取参数,if语句成立,表示sql语句有参数,参数格式是map形式 if (invocation.getArgs().length > 1) { parameter = invocation.getArgs()[1]; log.error("sql-param:{}", parameter); } /* if (SqlCommandType.SELECT.equals(mappedStatement.getSqlCommandType())) { }*/ // 获取到节点的id,即sql语句的id String sqlId = mappedStatement.getId(); // BoundSql就是封装myBatis最终产生的sql类 BoundSql boundSql = mappedStatement.getBoundSql(parameter); // 获取节点的配置 Configuration configuration = mappedStatement.getConfiguration(); // 获取到最终的sql语句 String sql = getSql(configuration, boundSql, sqlId); log.info("sql->{}", sql); } catch (Exception e) { } // 执行完上面的任务后,不改变原有的sql执行过程 return invocation.proceed(); } /** * 封装了一下sql语句,使得结果返回完整xml路径下的sql语句节点id + sql语句 * * @param configuration configuration * @param boundSql boundSql * @param sqlId sqlId * @return java.lang.String */ public static String getSql(Configuration configuration, BoundSql boundSql, String sqlId) { String sql = showSql(configuration, boundSql); StringBuilder str = new StringBuilder(100); str.append(sqlId); str.append(":"); str.append(sql); return str.toString(); } /** * 如果参数是String,则添加单引号, 如果是日期,则转换为时间格式器并加单引号; * 对参数是null和不是null的情况作了处理 * * @param obj obj * @return java.lang.String */ private static String getParameterValue(Object obj) { String value = null; if (obj instanceof String) { value = "'" + obj.toString() + "'"; } else if (obj instanceof Date) { DateFormat formatter = DateFormat.getDateTimeInstance(DateFormat.DEFAULT, DateFormat.DEFAULT, Locale.CHINA); value = "'" + formatter.format(new Date()) + "'"; } else { if (obj != null) { value = obj.toString(); } else { value = ""; } } return value; } /** * 进行?的替换 * * @param configuration * @param boundSql * @return */ public static String showSql(Configuration configuration, BoundSql boundSql) { Object parameterObject = boundSql.getParameterObject(); // 获取参数 List<ParameterMapping> parameterMappings = boundSql .getParameterMappings(); String sql = boundSql.getSql().replaceAll("[\\s]+", " "); // sql语句中多个空格都用一个空格代替 if (!CollectionUtils.isEmpty(parameterMappings) && parameterObject != null) { TypeHandlerRegistry typeHandlerRegistry = configuration.getTypeHandlerRegistry(); // 获取类型处理器注册器,类型处理器的功能是进行java类型和数据库类型的转换<br>// 如果根据parameterObject.getClass()可以找到对应的类型,则替换 if (typeHandlerRegistry.hasTypeHandler(parameterObject.getClass())) { sql = sql.replaceFirst("\\?", Matcher.quoteReplacement(getParameterValue(parameterObject))); } else { MetaObject metaObject = configuration.newMetaObject(parameterObject);// MetaObject主要是封装了originalObject对象,提供了get和set的方法用于获取和设置originalObject的属性值,主要支持对JavaBean、Collection、Map三种类型对象的操作 for (ParameterMapping parameterMapping : parameterMappings) { String propertyName = parameterMapping.getProperty(); if (metaObject.hasGetter(propertyName)) { Object obj = metaObject.getValue(propertyName); sql = sql.replaceFirst("\\?", Matcher.quoteReplacement(getParameterValue(obj))); } else if (boundSql.hasAdditionalParameter(propertyName)) { Object obj = boundSql.getAdditionalParameter(propertyName); // 该分支是动态sql sql = sql.replaceFirst("\\?", Matcher.quoteReplacement(getParameterValue(obj))); } else { sql = sql.replaceFirst("\\?", "缺失"); }//打印出缺失,提醒该参数缺失并防止错位 } } } return sql; } @Override public Object plugin(Object target) { return Plugin.wrap(target, this); } @Override public void setProperties(Properties properties) { } }
SqlSessionFactoryBean sessionFactory = new SqlSessionFactoryBean();
MybatisSqlLoggerInterceptor printSqlInterceptor = new MybatisSqlLoggerInterceptor(); sessionFactory.addPlugins(printSqlInterceptor);
标签:String,org,plus,sql,mybatis,import,class,boundSql From: https://www.cnblogs.com/fyiyy/p/18401149