我使用Grails 2.2.3并在grails-app / conf / spring / resources.groovy中输入以下代码
beans = {
xmlns aop:"http://www.springframework.org/schema/aop"
loggerAspect(com.test.aop.aspect.LoggerAspect)
aop{
config("proxy-target-class": true) {
aspect(id: "beforeService", ref: "loggerAspect") {
before method: "beforeMethod",
pointcut: "execution(* com.test.DemoService.serviceMethod())"
}
aspect(id: "afterService", ref: "loggerAspect") {
after method: "afterMethod",
pointcut: "execution(* com.test.DemoService.serviceMethod())"
}
}
}
}
然后,在src / groovy / com / test / aop / aspect
下创建一个方面类package com.test.aop.aspect
class LoggerAspect {
def beforeMethod(JoinPoint jp){
println '-- Before Method.'
}
def afterMethod(JoinPoint jp){
println '-- After Method.'
}
}
在grails-app / services / com / test
下创建一个服务类package com.test
class DemoService {
def serviceMethod() {
println 'In DemoService.serviceMethod()'
}
}
创建一个控制器来调用服务进行测试
package com.test
class DemoController {
def index() {
println 'In DemoController.index()'
def demoService = new DemoService()
demoService.serviceMethod()
render 'Hello World'
}
}
最后,我通过url测试了aop:
http://myhost:8080/grails-spring-aop/demo/index
并且未调用aop。结果如下:
| Server running. Browse to http://myhost:8080/grails-spring-aop/
In DemoController.index()
In DemoService.serviceMethod()
我将以下行添加到服务类:
static transactional = false
而且,它仍然不适合我。
任何人都知道如何解决这个问题或者这是不可能的。 或者我做错了什么。
感谢。
答案 0 :(得分:12)
您需要在控制器中注入服务(spring bean),而不是创建它的实例。
package com.test
class DemoController {
def demoService //Autowired, not required to specify in resources.groovy
def index() {
println 'In DemoController.index()'
demoService.serviceMethod()
render 'Hello World'
}
}
此外,可以根据以下内容对方面进行注释:
package com.test.aop.aspect
@Aspect
class LoggerAspect {
//A more generic advice would be as below
//@Before("execution(* com.test.*.*(..))")
@Before("com.test.DemoService.serviceMethod()")
def beforeMethod(){
println '-- Before Method.'
}
//A more generic advice would be as below
//@Around("execution(* com.test.*.*(..))")
@After("com.test.DemoService.serviceMethod()")
def afterMethod(){
println '-- After Method.'
}
}
resources.groovy可以成为:
beans = {
loggerAspect(com.test.aop.aspect.LoggerAspect)
xmlns aop:"http://www.springframework.org/schema/aop"
aop{
config("proxy-target-class": true) {
aspect(id: "loggerAspectService", ref: "loggerAspect")
}
}
}