1 package org.action;
 2 
 3 import java.util.Map;
 4 
 5 import javax.annotation.Resource;
 6 
 7 import org.apache.struts2.interceptor.SessionAware;
 8 import org.model.Student;
 9 import org.service.StudentService;
10 import org.springframework.context.annotation.Scope;
11 import org.springframework.stereotype.Component;
12 import org.util.Util;
13 
14 import com.opensymphony.xwork2.ActionSupport;
15 
16 @Component("studentAction")
17 @Scope("prototype")
18 public class StudentAction extends ActionSupport implements SessionAware
19 {
20         //静态常量JSON
21         private static final String JSON = "json";
22         //保存Session的引用
23         private Map<String, Object> session;
24         //StudentService的引用
25         private StudentService studentService;
26         //用于封装请求参数的Student对象
27         private Student student;
28         private String message;
29 
30         /**
31          * 登录方法
32          * @return
33          * @throws Exception
34          */
35         public String login() throws Exception
36         {        
37                 Util.show("%d --> %s", this.student.getId(), this.student.getPassword());
38                
39                 this.message = "你会显示吗？";
40                
41                 return JSON;
42         }
43 
44         @Override
45         public void setSession(Map<String, Object> session)
46         {
47                 // TODO Auto-generated method stub
48                 this.session = session;
49         }
50 
51         public StudentService getStudentService()
52         {
53                 return studentService;
54         }
55 
56 　　　　//错在这里
57　　　　 //注释掉@Resource就可以通过前台获得这个Action的数据
58 　　　　//不注释的话，就没有效果了，最让人痛苦是，也不报错
　　　　　　//StudentService是业务逻辑层接口
59         @Resource
60         public void setStudentService(StudentService studentService)
61         {
62                 this.studentService = studentService;
63         }
64 
65         public Student getStudent()
66         {
67                 return student;
68         }
69 
70         public void setStudent(Student student)
71         {
72                 this.student = student;
73         }
74 
75         public Map<String, Object> getSession()
76         {
77                 return session;
78         }
79 
80         public String getMessage()
81         {
82                 return message;
83         }
84 
85         public void setMessage(String message)
86         {
87                 this.message = message;
88         }
89         
90 }