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<>IDEA Lose focus , Cancel automatic compilation （ resolved ）
The project is deployed in the way of hot deployment , And then with Debug Mode start （ It is convenient for us to debug code in the process of project execution. ）. Specific hot deployment methods , There are many tutorials on the Internet , Please visit Baidu by yourself .
But when we use Debug After the project is started in this way , We're writing Java When you code , Once the focus item is lost, an error will be reported , From a compilation point of view, this is a convenient function , After all, we can find the mistakes of our project in time , But from the perspective of user experience , Personally, I don't think it's that friendly . So I suggest that we cancel this function
Many hot deployment tutorials on the Internet let us set these two options to Update classes and resources
, They don't tell us what these two are , The key to change is here .
On Update action： When the code changes ,IDEA What to do
*
Update resource： If there is an update , And the update resource is （xx.jsp,xx.xml, barring Java file ）, It will take effect immediately
*
Update classes and
resources： If there is an update , And the update resource is （ Resource file or Java file ）, It will take effect immediately . In normal operation mode , modify Java The document will not take effect immediately ;
But in Debug Mode , It will take effect immediately . In both modes , modify resource Resource files are available immediately .
*
Redploy： Redeploy project , Put the original war package （ Our project is based on war The form of the package is placed in the Tomcat On the server ） Redeployment
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Restart： Restart the server （ The longest time , Not recommended ）
On Frame deactivation： When you lose focus （ Don't stop at IDEA inside ）,IDEA What to do
*
Do nothing： Don't do anything （ Recommended ）
*
Update resource： If there is an update , And the update resource is （xx.jsp,xx.xml, barring Java file ）, It will take effect immediately
*
Update classes and
resource： If there is an update , And the update resource is （ Resource file or Java file ）, It will take effect immediately . In normal operation mode , modify Java The document will not take effect immediately ;
But in Debug Mode , It will take effect immediately . In both modes , modify resource Resource files are available immediately .
So we just need to On Frame deactivation, Amend to read Do nothing that will do
Set to Do
nothing after , Our project will not compile automatically （ On the basis of the fact that we have not set up automatic compilation ）. However, I prefer manual compilation , After all, it's just a matter of ordering , How much computer performance will it cost to turn on automatic compilation . How to turn on automatic compilation , Please Baidu yourself .
Debug In the case of starting the project , You can click the little beetle icon to update the resources we want .
But I found different versions IDEA The click effect of this little beetle icon is different , Specific operation according to your requirements IDEA Look again
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