
原本的Mybatis log会分两行打印日志,参数用?
占位,实际参数在另一行,对于阅读体验很不好,现在可以使用填充替换后的sql语句。
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.ClassUtils;
import org.apache.commons.lang3.StringUtils;
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.mapping.SqlCommandType;
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.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.text.DateFormat;
import java.util.Date;
import java.util.List;
import java.util.Locale;
import java.util.Properties;
@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, CacheKey.class, BoundSql.class}),
@Signature(type = Executor.class, method = "query", args = {MappedStatement.class, Object.class, RowBounds.class,
ResultHandler.class}),
@Signature(type = Executor.class, method = "commit", args = {boolean.class})})
@Slf4j(topic = "sql")
public class MybatisLogInterceptor implements Interceptor {
private static final int SLOW_QUERY_TIME = 1000;
private DateFormat formatter = DateFormat.getDateTimeInstance(DateFormat.DEFAULT, DateFormat.DEFAULT, Locale.CHINA);
private Logger slowQueryLogger = LoggerFactory.getLogger("sqlSlowQuery");
public Object intercept(Invocation invocation) throws Throwable {
if (invocation.getMethod().getName().equals("commit")) {
long start = System.nanoTime();
Object returnValue = invocation.proceed();
long end = System.nanoTime();
log.info("Sql commit time: " + (end - start) / 1000000);
return returnValue;
} else {
MappedStatement mappedStatement = (MappedStatement) invocation.getArgs()[0];
Object parameter = null;
if (invocation.getArgs().length > 1) {
parameter = invocation.getArgs()[1];
}
BoundSql boundSql = null;
// 适配通过PageHelper分页之后,原sql已经被修改,通过参数才能拿到修改后的sql
if (invocation.getArgs().length == 6) {
Object arg_5 = invocation.getArgs()[5];
if (arg_5 instanceof BoundSql) {
boundSql = (BoundSql) arg_5;
}
}
if (null == boundSql) {
boundSql = mappedStatement.getBoundSql(parameter);
}
Configuration configuration = mappedStatement.getConfiguration();
String sql = this.generateSql(configuration, boundSql);
String sqlId = mappedStatement.getId();
long start = System.nanoTime();
Object returnValue = null;
try {
returnValue = invocation.proceed();
} catch (Exception e) {
log.info(sqlId + ": " + sql);
throw e;
}
long end = System.nanoTime();
long executeTime = (end - start) / 1000000;
log.info(sqlId + ": " + sql + " time: " + executeTime);
if (mappedStatement.getSqlCommandType() == SqlCommandType.SELECT && executeTime > SLOW_QUERY_TIME) {
slowQueryLogger.info(sqlId + ": " + sql + " time: " + executeTime);
}
return returnValue;
}
}
private String generateSql(Configuration configuration, BoundSql boundSql) {
Object parameterObject = boundSql.getParameterObject();
List<ParameterMapping> parameterMappings = boundSql.getParameterMappings();
String sql = boundSql.getSql().replaceAll("[\\s]+", " ");
if (parameterMappings.size() > 0 && parameterObject != null) {
TypeHandlerRegistry typeHandlerRegistry = configuration.getTypeHandlerRegistry();
if (typeHandlerRegistry.hasTypeHandler(parameterObject.getClass())) {
sql = sql.replaceFirst("\\?", getParameterValue(parameterObject));
} else {
MetaObject metaObject = configuration.newMetaObject(parameterObject);
for (ParameterMapping parameterMapping : parameterMappings) {
String propertyName = parameterMapping.getProperty();
Object obj = null;
if (metaObject.hasGetter(propertyName)) {
obj = metaObject.getValue(propertyName);
sql = sql.replaceFirst("\\?", getParameterValue(obj).replace("$", "\\$"));
} else if (boundSql.hasAdditionalParameter(propertyName)) {
obj = boundSql.getAdditionalParameter(propertyName);
sql = sql.replaceFirst("\\?", getParameterValue(obj).replace("$", "\\$"));
}
sql = this.addAddtionalInfo(sql, obj, propertyName);
}
}
}
return sql;
}
protected String addAddtionalInfo(String sql, Object obj, String propertyName) {
return sql;
}
private String getParameterValue(Object obj) {
String value;
if (null == obj) {
value = StringUtils.EMPTY;
} else if (obj instanceof Date) {
value = "'" + formatter.format((Date) obj) + "'";
} else if (ClassUtils.isAssignable(obj.getClass(), Number.class)) { // 数字类型不添加引号包裹
value = obj.toString();
} else {
value = "'" + obj.toString() + "'";
}
return value;
}
public Object plugin(Object target) {
return Plugin.wrap(target, this);
}
@Override
public void setProperties(Properties properties) {
}
}