@Controller
public class MyController {
@Autowired
MyService service;
@RequestMapping("/test")
@ResponseBody
public String hello() {
service.save();
return "h";
}
}
service
@Controller
public class MyController {
@Autowired
MyService service;
@RequestMapping("/test")
@ResponseBody
public String hello() {
service.save();
return "h";
}
}
serviceservice is a singleton, and whether there is a thread safety problem depends on the service itself.
in your case, service.save should store objects directly in the database without thread safety problems, and all concurrency problems are left to db management.
Why did spring fail to automatically match fields? Wechat s front end reads as follows: Java: ...
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,,Spring mvc: <context:component-scan base-package="..." > @Controller,@RequestMapping. ,<context:component-scan base-package="" >Spring, Spring mvc,? ...
how should I open the index implementation on the home page of the website to query the relevant data from the background database and then bind it to the page? ...
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spring intercepts localhost:8080 1 to intercept my chat page, but not to the root directory. Go back to the default index page; there are several lines of log output in the console log 2018-06-04 15:46:03.601 INFO 15836 --- [ restartedMain] o.s.w.s...
does Spring: controller need to provide an interface like service, and then write an Impl class? ...
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