Spring MVC返回XML格式的数据

青旅半醒 2022-10-01 00:39 179阅读 0赞

代码：

readxml.jsp

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1.  **<**%@ page language="java"contentType="text/html; charset=UTF-8"pageEncoding="UTF-8"%**>**
2.  <!DOCTYPE html**>**
3.  **<****html****>**
4.  **<****head****>**
5.  **<****meta**http-equiv="Content-Type"content="text/html; charset=UTF-8"**>**
6.  **<****title****>**测试返回XML格式的数据**</****title****>**
7.  **<****script**type="text/javascript"src="js/jquery-1.11.0.min.js"**>****</****script****>**
8.  **<****script**type="text/javascript"src="js/json2.js"**>****</****script****>**
9.  **<****script**type="text/javascript"**>**
10. $(document).ready(function()\{ 
11.  readxml(); 
12. \}); 
13. function readxml()\{ 
14.  $.ajax("$\{pageContext.request.contextPath\}/readxml",// 发送请求的URL字符串。 
15.  \{ 
16.  dataType : "text", // 预期服务器返回的数据类型。 
17.  type : "POST", // 请求方式 POST或GET 
18.  async: true , // 默认设置下，所有请求均为异步请求。如果设置为false，则发送同步请求 
19.  // 请求成功后的回调函数。 
20.  success :function(xml)\{ 
21.  // 获得xml数据的id，name，author 
22.  var id = $("id", xml).text(); 
23.  var name = $("name", xml).text(); 
24.  var author = $("author", xml).text(); 
25.  var tr = $("**<****tr**align='center'**/>**"); 
26.  $("**<****td****/>**").html(id).appendTo(tr); 
27.  $("**<****td****/>**").html(name).appendTo(tr); 
28.  $("**<****td****/>**").html(author).appendTo(tr); 
29.  $("\#booktable").append(tr); 
30.  \}, 
31.  // 请求出错时调用的函数 
32.  error:function()\{ 
33.  alert("数据接收失败"); 
34.  \} 
35.  \}); 
36. \} 
37. **</****script****>**
38. **</****head****>**
39. **<****body****>**
40. **<****table**id="booktable"border="1"style="border-collapse: collapse;"**>**
41. **<****tr**align="center"**>**
42. **<****th****>**编号**</****th****>**
43. **<****th****>**书名**</****th****>**
44. **<****th****>**作者**</****th****>**
45. **</****tr****>**
46. **</****table****>**
47. **</****body****>**
48. **</****html****>**

book.xml

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1.  **<?****xml**version="1.0"encoding="UTF-8"**?>**
2.  **<****book****>**
3.  **<****id****>**1**</****id****>**
4.  **<****name****>**Spring MVC企业应用实战**</****name****>**
5.  **<****author****>**海哥**</****author****>**
6.  **</****book****>**

Book.java

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1.  **package** com.bean; 
2.  
3.  **import** java.io.Serializable; 
4.  **import** javax.xml.bind.annotation.XmlElement; 
5.  **import** javax.xml.bind.annotation.XmlRootElement; 
6.  
7.  // @XmlRootElement表示XML文档的根元素
8.  @XmlRootElement
9.  **public****class** Book **implements** Serializable \{ 
10. **private** Integer id; 
11. **private** String name; 
12. **private** String author; 
13. **public** Book() \{ 
14. **super**(); 
15. // TODO Auto-generated constructor stub
16.  \} 
17. **public** Book(Integer id, String name, String author) \{ 
18. **super**(); 
19. **this**.id = id; 
20. **this**.name = name; 
21. **this**.author = author; 
22.  \} 
23. **public** Integer getId() \{ 
24. **return** id; 
25.  \} 
26. // 该属性作为xml的element
27. @XmlElement
28. **public****void** setId(Integer id) \{ 
29. **this**.id = id; 
30.  \} 
31. 
32. **public** String getName() \{ 
33. **return** name; 
34.  \} 
35. @XmlElement
36. **public****void** setName(String name) \{ 
37. **this**.name = name; 
38.  \} 
39. 
40. **public** String getAuthor() \{ 
41. **return** author; 
42.  \} 
43. @XmlElement
44. **public****void** setAuthor(String author) \{ 
45. **this**.author = author; 
46.  \} 
47. 
48. @Override
49. **public** String toString() \{ 
50. **return**"Book \[id=" \+ id + ", name=" \+ name + ", author=" \+ author + "\]"; 
51.  \} 
52. 
53. \}

BookController.java

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1.  **package** com.control; 
2.  **import** java.io.InputStream; 
3.  **import** javax.xml.bind.JAXBContext; 
4.  **import** javax.xml.bind.Unmarshaller; 
5.  **import** org.apache.commons.logging.Log; 
6.  **import** org.apache.commons.logging.LogFactory; 
7.  **import** com.bean.\*; 
8.  **import** org.springframework.stereotype.Controller; 
9.  **import** org.springframework.web.bind.annotation.RequestBody; 
10. **import** org.springframework.web.bind.annotation.RequestMapping; 
11. **import** org.springframework.web.bind.annotation.RequestMethod; 
12. **import** org.springframework.web.bind.annotation.ResponseBody; 
13. 
14. @Controller
15. **public****class** BookController \{ 
16. 
17. **private****static****final** Log logger = LogFactory.getLog(BookController.**class**); 
18. 
19. // @RequestBody Book book会将传递的xml数据自动绑定到Book对象
20. @RequestMapping(value="/sendxml", method=RequestMethod.POST) 
21. **public****void** sendxml(@RequestBody Book book) \{ 
22.  logger.info(book); 
23.  logger.info("接收XML数据成功"); 
24.  \} 
25. 
26. // @ResponseBody 会将Book自动转成XML数据返回
27. @RequestMapping(value="/readxml", method=RequestMethod.POST) 
28. **public**@ResponseBody Book readXml()**throws** Exception \{ 
29. // 通过JAXBContext的newInstance方法，传递一个class就可以获得一个上下文
30.  JAXBContext context = JAXBContext.newInstance(Book.**class**); 
31. // 创建一个Unmarshall对象
32.  Unmarshaller unmar = context.createUnmarshaller(); 
33.  InputStream is = **this**.getClass().getResourceAsStream("/book.xml"); 
34. // Unmarshall对象的unmarshal方法可以进行xml到Java对象的转换
35.  Book book = (Book) unmar.unmarshal(is); 
36.  logger.info(book); 
37. **return** book; 
38.  \} 
39. \}

截图：

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[view plain]: http://blog.csdn.net/haige_lin/article/details/65435884#
[Center]: /images/20220705/06c5b3b5b0b8413fbf7d4728fa5a537c.png