java 将json字串转成复杂对象

当Json字串需要生成复杂Java对象时，可参照如下代码映射生成。

需要如下jar包：

commons-beanutils-1.8.3.jar

commons-collections-3.2.1.jar

commons-lang-2.6.jar

commons-logging-1.1.1.jar

ezmorph-1.0.6.jar



json-lib-2.1-jdk15.jar





1 String jsonString = "

2 [

3 {"author":"7","id":358,"title":"More of us","pictures":[{"description":"","imgPath":"/cms/u/cms/www/201203/05150720ii67.jpg"}],"path":"ip"},

4 {"author":"6","id":357,"title":"Video Gallery","pictures":[{"description":"","imgPath":"/cms/u/cms/www/201203/05150657mgpk.jpg"}],"path":"ip"},

5 {"author":"5","id":356,"title":"WATS Fun","pictures":[{"description":"","imgPath":"/cms/u/cms/www/201203/05150608s68h.jpg"}],"path":"ip"},

6 {"author":"4","id":355,"title":"Health and Beauty Tips","pictures":[{"description":"","imgPath":"/cms/u/cms/www/201203/05150146mrqo.jpg"}],"path":"ip"},

7 {"author":"2","id":354,"title":"Watsons Card Members","pictures":[{"description":"","imgPath":"/cms/u/cms/www/201203/05145320s6u8.jpg"}],"path":"ip"},

8 {"author":"1","id":353,"title":"Only @ Watsons","pictures":[{"description":"","imgPath":"/cms/u/cms/www/201203/05145051bn9c.jpg"}],"path":"ip"},

9 {"author":"0","id":351,"title":"WATS HOT","pictures":[{"description":"","imgPath":"/cms/u/cms/www/201203/05143251ewdl.jpg"}],"path":"ip"},

10 {"author":"3","id":350,"title":"Pharmacy Services","pictures":[{"description":"","imgPath":"/cms/u/cms/www/201203/05143239whnz.jpg"}],"path":"ip"}

11 ]";

12

13 JSONArray ja = JSONArray.fromObject(jsonString);

14

15 Map<String, Class<pictures>> classMap = new HashMap<String, Class<pictures>>();

16 classMap.put("pictures", pictures.class);

17 List<Content> list = JSONArray.toList(ja, Content.class, classMap);







1 public class Content {

2 private String author;

3 private String id;

4 private String title;

5 private List<pictures> pictures;

6 private String path;

7 public String getAuthor() {

8 return author;

9 }

10 public void setAuthor(String author) {

11 this.author = author;

12 }

13 public String getId() {

14 return id;

15 }

16 public void setId(String id) {

17 this.id = id;

18 }

19 public String getTitle() {

20 return title;

21 }

22 public void setTitle(String title) {

23 this.title = title;

24 }

25 public List<pictures> getPictures() {

26 return pictures;

27 }

28 public void setPictures(List<pictures> pictures) {

29 this.pictures = pictures;

30 }

31 public String getPath() {

32 return path;

33 }

34 public void setPath(String path) {

35 this.path = path;

36 }

37 }







1 public class pictures {

2
private String description;

3 private String imgPath;

4

5 public String getDescription() {

6
return description;

7 }

8

9 public void setDescription(String description) {

10
this.description = description;

11 }

12

13 public String getImgPath() {

14
return imgPath;

15 }

16

17 public void setImgPath(String imgPath) {

18
this.imgPath = imgPath;

19 }

20 }