可行）只能查看部分 getBeanDefinitionNames
package com.itheima.controller;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationContext;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import java.util.Arrays;
import java.util.List;
@RestController
@RequestMapping
public class ViewAllBeans {
@Autowired
private ApplicationContext applicationContext;
@GetMapping("/beanList")
public List<String> beanList() {
return Arrays.asList(applicationContext.getBeanDefinitionNames());
}
}
方法2：
public static void main(String args[]) {
ApplicationContext context=new ClassPathXmlApplicationContext("classpath:spring-applicationContext.xml");
Object user= context.getBean("userController");
String[] str=context.getBeanDefinitionNames();
for (String string : str) {
System.out.println("..."+string);
}
System.out.println("----"+user);
}
// REF
方法3：
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;方法4：
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationContext;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import java.util.Arrays;
import java.util.List;
@RestController
@RequestMapping
public class BeanController {
@Autowired
private ApplicationContext applicationContext;
@GetMapping("/beanList")
public List<String> beanList() {
return Arrays.asList(applicationContext.getBeanDefinitionNames());
}
}