1、maven 項目的 pom.xml，引入依賴p6spy3.0
<!-- https://mvnrepository.com/artifact/p6spy/p6spy --> <dependency> <groupId>p6spy</groupId> <artifactId>p6spy</artifactId> <version>3.0.0</version> </dependency>
2、在spring的配置文件如spring.xml中，將原有的數據源定義包裹一層，將dataSource改dataSourceTarget,再創建一個dataSource，class爲com.p6spy.engine.spy.P6DataSource，詳情如下：
原：
<!--數據源定義--> <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close"> <property name="driverClassName" value="com.mysql.jdbc.Driver"></property> <property name="url" value="jdbc:mysql://IP:3306/datadeal?useUnicode=true&characterEncoding=utf8"></property> <property name="username" value="ruank"></property> <property name="password" value="ruank_123"></property> <!-- 連接池啓動時的初始值 --> <property name="initialSize" value="10" /> <!-- 連接池的最大值 --> <property name="maxActive" value="30" /> <!-- 最大空閒值. --> <property name="maxIdle" value="20" /> <!-- 最小空閒值.當空閒的連接數少於閥值時，連接池就會預申請去一些連接，以免洪峯來時來不及申請 --> <property name="minIdle" value="10" /> </bean>修改後：
<!--數據源定義--> <bean id="dataSourceTarget" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close"> <property name="driverClassName" value="com.mysql.jdbc.Driver"></property> <property name="url" value="jdbc:mysql://IP:3306/datadeal?useUnicode=true&characterEncoding=utf8"></property> <property name="username" value="ruank"></property> <property name="password" value="ruank_123"></property> <!-- 連接池啓動時的初始值 --> <property name="initialSize" value="10" /> <!-- 連接池的最大值 --> <property name="maxActive" value="30" /> <!-- 最大空閒值. --> <property name="maxIdle" value="20" /> <!-- 最小空閒值.當空閒的連接數少於閥值時，連接池就會預申請去一些連接，以免洪峯來時來不及申請 --> <property name="minIdle" value="10" /> </bean>
<!-- sql跟蹤 --> <bean id="dataSource" class="com.p6spy.engine.spy.P6DataSource"> <constructor-arg ref="dataSourceTarget"></constructor-arg> </bean>3、修改spy.properties配置文件，放入src/resources目錄下。
### # #%L # P6Spy # %% # Copyright (C) 2013 P6Spy # %% # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. # #L% ### ################################################################# # P6Spy Options File # # See documentation for detailed instructions # # http://p6spy.github.io/p6spy/2.0/configandusage.html # ################################################################# ################################################################# # MODULES # # # # Module list adapts the modular functionality of P6Spy. # # Only modules listed are active. # # (default is com.p6spy.engine.logging.P6LogFactory and # # com.p6spy.engine.spy.P6SpyFactory) # # Please note that the core module (P6SpyFactory) can't be # # deactivated. # # Unlike the other properties, activation of the changes on # # this one requires reload. # ################################################################# #modulelist=com.p6spy.engine.spy.P6SpyFactory,com.p6spy.engine.logging.P6LogFactory,com.p6spy.engine.outage.P6OutageFactory modulelist=com.p6spy.engine.spy.P6SpyFactory,com.p6spy.engine.logging.P6LogFactory ################################################################ # CORE (P6SPY) PROPERTIES # ################################################################ # A comma separated list of JDBC drivers to load and register. # (default is empty) # # Note: This is normally only needed when using P6Spy in an # application server environment with a JNDI data source or when # using a JDBC driver that does not implement the JDBC 4.0 API # (specifically automatic registration). driverlist=com.mysql.jdbc.Driver # for flushing per statement # (default is false) autoflush = true # sets the date format using Java's SimpleDateFormat routine. # In case property is not set, miliseconds since 1.1.1970 (unix time) is used (default is empty) #dateformat= # prints a stack trace for every statement logged #stacktrace=false # if stacktrace=true, specifies the stack trace to print #stacktraceclass= # determines if property file should be reloaded # Please note: reload means forgetting all the previously set # settings (even those set during runtime - via JMX) # and starting with the clean table # (default is false) #reloadproperties=false # determines how often should be reloaded in seconds # (default is 60) #reloadpropertiesinterval=60 # specifies the appender to use for logging # Please note: reload means forgetting all the previously set # settings (even those set during runtime - via JMX) # and starting with the clean table # (only the properties read from the configuration file) # (default is com.p6spy.engine.spy.appender.FileLogger) appender=com.p6spy.engine.spy.appender.Slf4JLogger #appender=com.p6spy.engine.spy.appender.StdoutLogger #appender=com.p6spy.engine.spy.appender.FileLogger # name of logfile to use, note Windows users should make sure to use forward slashes in their pathname (e:/test/spy.log) # (used for com.p6spy.engine.spy.appender.FileLogger only) # (default is spy.log) #logfile = spy.log # append to the p6spy log file. if this is set to false the # log file is truncated every time. (file logger only) # (default is true) #append=true # class to use for formatting log messages (default is: com.p6spy.engine.spy.appender.SingleLineFormat) #logMessageFormat=com.p6spy.engine.spy.appender.SingleLineFormat # format that is used for logging of the date/time/... (has to be compatible with java.text.SimpleDateFormat) # (default is dd-MMM-yy) #databaseDialectDateFormat=dd-MMM-yy # whether to expose options via JMX or not # (default is true) #jmx=true # if exposing options via jmx (see option: jmx), what should be the prefix used? # jmx naming pattern constructed is: com.p6spy(.<jmxPrefix>)?:name=<optionsClassName> # please note, if there is already such a name in use it would be unregistered first (the last registered wins) # (default is none) #jmxPrefix= # if set to true, the execution time will be measured in nanoseconds as opposed to milliseconds # (default is false) #useNanoTime=false ################################################################# # DataSource replacement # # # # Replace the real DataSource class in your application server # # configuration with the name com.p6spy.engine.spy.P6DataSource # # (that provides also connection pooling and xa support). # # then add the JNDI name and class name of the real # # DataSource here # # # # Values set in this item cannot be reloaded using the # # reloadproperties variable. Once it is loaded, it remains # # in memory until the application is restarted. # # # ################################################################# #realdatasource=/RealMySqlDS #realdatasourceclass=com.mysql.jdbc.jdbc2.optional.MysqlDataSource ################################################################# # DataSource properties # # # # If you are using the DataSource support to intercept calls # # to a DataSource that requires properties for proper setup, # # define those properties here. Use name value pairs, separate # # the name and value with a semicolon, and separate the # # pairs with commas. # # # # The example shown here is for mysql # # # ################################################################# #realdatasourceproperties=port;3306,serverName;myhost,databaseName;jbossdb,foo;bar ################################################################# # JNDI DataSource lookup # # # # If you are using the DataSource support outside of an app # # server, you will probably need to define the JNDI Context # # environment. # # # # If the P6Spy code will be executing inside an app server then # # do not use these properties, and the DataSource lookup will # # use the naming context defined by the app server. # # # # The two standard elements of the naming environment are # # jndicontextfactory and jndicontextproviderurl. If you need # # additional elements, use the jndicontextcustom property. # # You can define multiple properties in jndicontextcustom, # # in name value pairs. Separate the name and value with a # # semicolon, and separate the pairs with commas. # # # # The example shown here is for a standalone program running on # # a machine that is also running JBoss, so the JDNI context # # is configured for JBoss (3.0.4). # # # # (by default all these are empty) # ################################################################# #jndicontextfactory=org.jnp.interfaces.NamingContextFactory #jndicontextproviderurl=localhost:1099 #jndicontextcustom=java.naming.factory.url.pkgs;org.jboss.nameing:org.jnp.interfaces #jndicontextfactory=com.ibm.websphere.naming.WsnInitialContextFactory #jndicontextproviderurl=iiop://localhost:900 ################################################################ # P6 LOGGING SPECIFIC PROPERTIES # ################################################################ # filter what is logged # please note this is a precondition for usage of: include/exclude/sqlexpression # (default is false) #filter=false # comma separated list of strings to include # please note that special characters escaping (used in java) has to be done for the provided regular expression # (default is empty) #include = # comma separated list of strings to exclude # (default is empty) #exclude = # sql expression to evaluate if using regex # please note that special characters escaping (used in java) has to be done for the provided regular expression # (default is empty) #sqlexpression = #list of categories to exclude: error, info, batch, debug, statement, #commit, rollback and result are valid values # (default is info,debug,result,resultset,batch) excludecategories=info,debug,result,resultset,batch,commit,rollback # Execution threshold applies to the standard logging of P6Spy. # While the standard logging logs out every statement # regardless of its execution time, this feature puts a time # condition on that logging. Only statements that have taken # longer than the time specified (in milliseconds) will be # logged. This way it is possible to see only statements that # have exceeded some high water mark. # This time is reloadable. # # executionThreshold=integer time (milliseconds) # (default is 0) #executionThreshold= ################################################################ # P6 OUTAGE SPECIFIC PROPERTIES # ################################################################ # Outage Detection # # This feature detects long-running statements that may be indicative of # a database outage problem. If this feature is turned on, it will log any # statement that surpasses the configurable time boundary during its execution. # When this feature is enabled, no other statements are logged except the long # running statements. The interval property is the boundary time set in seconds. # For example, if this is set to 2, then any statement requiring at least 2 # seconds will be logged. Note that the same statement will continue to be logged # for as long as it executes. So if the interval is set to 2, and the query takes # 11 seconds, it will be logged 5 times (at the 2, 4, 6, 8, 10 second intervals). # # outagedetection=true|false # outagedetectioninterval=integer time (seconds) # # (default is false) #outagedetection=false # (default is 60) #outagedetectioninterval=30
到此，已經完成打印完整sql語句功能了。但是sql語句的輸出格式有些亂。可以進行進一步的優化。
4、增加一個sql語句格式化輸出類。在網上找的。參考：https://blog.csdn.net/sanyuedexuanlv/article/details/51331209，並更改spy.properties中相應的appender爲自己增加的輸出類。
package com.cp.crm.common.utils;
import com.p6spy.engine.logging.Category;
import com.p6spy.engine.spy.appender.StdoutLogger;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class p6SpyLogger extends StdoutLogger {
protected final Logger logger = LoggerFactory.getLogger(this.getClass());
/**
* 重寫輸出方法
* @param connectionId 連接id
* @param now 當前時間
* @param elapsed 執行時長，包括執行 SQL 和處理結果集的時間(可以參考來調優)
* @param category 語句分類，statement、resultset 等
* @param prepared 查詢語句。可能是 prepared statement，表現爲 select * from table1 where c1=?，問號參數形式
* @param sql 含參數值的查詢語句，如 select * from from table1 where c1=7
*/
@Override
public void logSQL(int connectionId, String now, long elapsed, Category category, String prepared, String sql) {
if(!Category.COMMIT.equals(category) && !prepared.startsWith("select count("))
this.logText(this.strategy.formatMessage(connectionId, now, elapsed, category.toString(), "-prepared-", sql));
}
@Override
public void logText(String text) {
StringBuilder sb = new StringBuilder();
//匹配到最後一個|作爲分隔符
String[] arrString = text.split("\\|(?![^\\|]*\\|)");
if (arrString.length > 1) {
sb.append(arrString[0]);
//去最後一段語句做替換進行格式化
String sss=arrString[1].trim();
if(!sss.isEmpty() && !";".equalsIgnoreCase(sss)){
String sql = new SQLFormatter().format(arrString[1]);
sb.append("\r\n");
sb.append(sql);
sb.append("\r\n");
}else {
sb.append(sss);
}
logger.debug(sb.toString());
} else {
logger.debug(text);
}
arrString = null;
}
}SQLFormatter類如下：
package com.cp.crm.common.utils;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.Set;
import java.util.StringTokenizer;
public class SQLFormatter {
private static final Set<String> BEGIN_CLAUSES = new HashSet<String>();
private static final Set<String> END_CLAUSES = new HashSet<String>();
private static final Set<String> LOGICAL = new HashSet<String>();
private static final Set<String> QUANTIFIERS = new HashSet<String>();
private static final Set<String> DML = new HashSet<String>();
private static final Set<String> MISC = new HashSet<String>();
public static final String WHITESPACE = " \n\r\f\t";
static {
BEGIN_CLAUSES.add( "left" );
BEGIN_CLAUSES.add( "right" );
BEGIN_CLAUSES.add( "inner" );
BEGIN_CLAUSES.add( "outer" );
BEGIN_CLAUSES.add( "group" );
BEGIN_CLAUSES.add( "order" );
END_CLAUSES.add( "where" );
END_CLAUSES.add( "set" );
END_CLAUSES.add( "having" );
END_CLAUSES.add( "join" );
END_CLAUSES.add( "from" );
END_CLAUSES.add( "by" );
END_CLAUSES.add( "join" );
END_CLAUSES.add( "into" );
END_CLAUSES.add( "union" );
LOGICAL.add( "and" );
LOGICAL.add( "or" );
LOGICAL.add( "when" );
LOGICAL.add( "else" );
LOGICAL.add( "end" );
QUANTIFIERS.add( "in" );
QUANTIFIERS.add( "all" );
QUANTIFIERS.add( "exists" );
QUANTIFIERS.add( "some" );
QUANTIFIERS.add( "any" );
DML.add( "insert" );
DML.add( "update" );
DML.add( "delete" );
MISC.add( "select" );
MISC.add( "on" );
}
static final String indentString = " ";
static final String initial = "\n ";
public String format(String source) {
return new FormatProcess( source ).perform();
}
private static class FormatProcess {
boolean beginLine = true;
boolean afterBeginBeforeEnd = false;
boolean afterByOrSetOrFromOrSelect = false;
boolean afterValues = false;
boolean afterOn = false;
boolean afterBetween = false;
boolean afterInsert = false;
int inFunction = 0;
int parensSinceSelect = 0;
private LinkedList<Integer> parenCounts = new LinkedList<Integer>();
private LinkedList<Boolean> afterByOrFromOrSelects = new LinkedList<Boolean>();
int indent = 1;
StringBuilder result = new StringBuilder();
StringTokenizer tokens;
String lastToken;
String token;
String lcToken;
public FormatProcess(String sql) {
tokens = new StringTokenizer(
sql,
"()+*/-=<>'`\"[]," + WHITESPACE,
true
);
}
public String perform() {
result.append( initial );
while ( tokens.hasMoreTokens() ) {
token = tokens.nextToken();
lcToken = token.toLowerCase();
if ( "'".equals( token ) ) {
String t;
do {
t = tokens.nextToken();
token += t;
}
while ( !"'".equals( t ) && tokens.hasMoreTokens() ); // cannot handle single quotes
}
else if ( "\"".equals( token ) ) {
String t;
do {
t = tokens.nextToken();
token += t;
}
while ( !"\"".equals( t ) );
}
if ( afterByOrSetOrFromOrSelect && ",".equals( token ) ) {
commaAfterByOrFromOrSelect();
}
else if ( afterOn && ",".equals( token ) ) {
commaAfterOn();
}
else if ( "(".equals( token ) ) {
openParen();
}
else if ( ")".equals( token ) ) {
closeParen();
}
else if ( BEGIN_CLAUSES.contains( lcToken ) ) {
beginNewClause();
}
else if ( END_CLAUSES.contains( lcToken ) ) {
endNewClause();
}
else if ( "select".equals( lcToken ) ) {
select();
}
else if ( DML.contains( lcToken ) ) {
updateOrInsertOrDelete();
}
else if ( "values".equals( lcToken ) ) {
values();
}
else if ( "on".equals( lcToken ) ) {
on();
}
else if ( afterBetween && lcToken.equals( "and" ) ) {
misc();
afterBetween = false;
}
else if ( LOGICAL.contains( lcToken ) ) {
logical();
}
else if ( isWhitespace( token ) ) {
white();
}
else {
misc();
}
if ( !isWhitespace( token ) ) {
lastToken = lcToken;
}
}
return result.toString();
}
private void commaAfterOn() {
out();
indent--;
newline();
afterOn = false;
afterByOrSetOrFromOrSelect = true;
}
private void commaAfterByOrFromOrSelect() {
out();
newline();
}
private void logical() {
if ( "end".equals( lcToken ) ) {
indent--;
}
newline();
out();
beginLine = false;
}
private void on() {
indent++;
afterOn = true;
newline();
out();
beginLine = false;
}
private void misc() {
out();
if ( "between".equals( lcToken ) ) {
afterBetween = true;
}
if ( afterInsert ) {
newline();
afterInsert = false;
}
else {
beginLine = false;
if ( "case".equals( lcToken ) ) {
indent++;
}
}
}
private void white() {
if ( !beginLine ) {
result.append( " " );
}
}
private void updateOrInsertOrDelete() {
out();
indent++;
beginLine = false;
if ( "update".equals( lcToken ) ) {
newline();
}
if ( "insert".equals( lcToken ) ) {
afterInsert = true;
}
}
@SuppressWarnings( {"UnnecessaryBoxing"})
private void select() {
out();
indent++;
newline();
parenCounts.addLast( Integer.valueOf( parensSinceSelect ) );
afterByOrFromOrSelects.addLast( Boolean.valueOf( afterByOrSetOrFromOrSelect ) );
parensSinceSelect = 0;
afterByOrSetOrFromOrSelect = true;
}
private void out() {
result.append( token );
}
private void endNewClause() {
if ( !afterBeginBeforeEnd ) {
indent--;
if ( afterOn ) {
indent--;
afterOn = false;
}
newline();
}
out();
if ( !"union".equals( lcToken ) ) {
indent++;
}
newline();
afterBeginBeforeEnd = false;
afterByOrSetOrFromOrSelect = "by".equals( lcToken )
|| "set".equals( lcToken )
|| "from".equals( lcToken );
}
private void beginNewClause() {
if ( !afterBeginBeforeEnd ) {
if ( afterOn ) {
indent--;
afterOn = false;
}
indent--;
newline();
}
out();
beginLine = false;
afterBeginBeforeEnd = true;
}
private void values() {
indent--;
newline();
out();
indent++;
newline();
afterValues = true;
}
@SuppressWarnings( {"UnnecessaryUnboxing"})
private void closeParen() {
parensSinceSelect--;
if ( parensSinceSelect < 0 ) {
indent--;
parensSinceSelect = parenCounts.removeLast().intValue();
afterByOrSetOrFromOrSelect = afterByOrFromOrSelects.removeLast().booleanValue();
}
if ( inFunction > 0 ) {
inFunction--;
out();
}
else {
if ( !afterByOrSetOrFromOrSelect ) {
indent--;
newline();
}
out();
}
beginLine = false;
}
private void openParen() {
if ( isFunctionName( lastToken ) || inFunction > 0 ) {
inFunction++;
}
beginLine = false;
if ( inFunction > 0 ) {
out();
}
else {
out();
if ( !afterByOrSetOrFromOrSelect ) {
indent++;
newline();
beginLine = true;
}
}
parensSinceSelect++;
}
private static boolean isFunctionName(String tok) {
final char begin = tok.charAt( 0 );
final boolean isIdentifier = Character.isJavaIdentifierStart( begin ) || '"' == begin;
return isIdentifier &&
!LOGICAL.contains( tok ) &&
!END_CLAUSES.contains( tok ) &&
!QUANTIFIERS.contains( tok ) &&
!DML.contains( tok ) &&
!MISC.contains( tok );
}
private static boolean isWhitespace(String token) {
return WHITESPACE.indexOf( token ) >= 0;
}
private void newline() {
result.append( "\n" );
for ( int i = 0; i < indent; i++ ) {
result.append( indentString );
}
beginLine = true;
}
}
public static void main(String[] args) {
String sql = new SQLFormatter().format("select * from t_sss");
System.out.println(sql);
}
}