1. package cn.mu.service.product.impl;
   
2. 
   
3. import javax.persistence.EntityManager;
   
4. import javax.persistence.PersistenceContext;
   
5. 
   
6. import org.springframework.stereotype.Service;
   
7. import org.springframework.transaction.annotation.Transactional;
   
8. 
   
9. 
   
10. 
    
11. import cn.mu.bean.product.ProductType;
    
12. import cn.mu.service.product.ProductService;
    
13. 
    
14. @Service
    
15. @Transactional
    
16. public class ProductServiceBean implements ProductService {
    
17.         @PersistenceContext
    
18.         EntityManager em;
    
19.         public void save(ProductType type){
    
20.                 em.persist(type);
    
21.         }
    
22. }
    
23. [code]package junit.test;
    
24. 
    
25. 
    
26. 
    
27. 
    
28. 
    
29. 
    
30. import javax.sql.DataSource;
    
31. 
    
32. import org.junit.BeforeClass;
    
33. import org.junit.Test;
    
34. import org.springframework.context.ApplicationContext;
    
35. import org.springframework.context.support.ClassPathXmlApplicationContext;
    
36. 
    
37. import cn.mu.bean.product.ProductType;
    
38. import cn.mu.service.product.ProductService;
    
39. 
    
40. 
    
41. 
    
42. 
    
43. public class ProductTest {
    
44. 
    
45.         @BeforeClass
    
46.         public static void setUpBeforeClass() throws Exception {
    
47.         }
    
48. 
    
49.         @Test
    
50.         public void runtest() {
    
51.                 ApplicationContext cxt=new ClassPathXmlApplicationContext("beans.xml");
    
52.                 ProductService productService=(ProductService) cxt.getBean("productServiceBean");
    
53.                 productService.save(new ProductType());
    
54.         }
    
55. 
    
56. }
    

复制代码

[/code] 找不到productServiceBean

你的beans.xml文件放错位置了