userJson {"CODE":{"ERROR_CODE":0},"DATA":[{"xm":"张三","id":10},{"xm":"李四","id":11},{"xm":"王五","id":12}]}idJson {"CODE":{"ERROR_CODE":0},"DATA":[{"name":"aa","id":1},{"name":"bb","id":2},{"name":"cc","id":3}]}在java中怎么抽取上述两个json中DATA部分,插入到一个json中。
形成{"user":[{"xm":"张三","id":10},{"xm":"李四","id":11},{"xm":"王五","id":12}],"id":[{"name":"aa","id":1},{"name":"bb","id":2},{"name":"cc","id":3}]}的形式
JSONJava
形成{"user":[{"xm":"张三","id":10},{"xm":"李四","id":11},{"xm":"王五","id":12}],"id":[{"name":"aa","id":1},{"name":"bb","id":2},{"name":"cc","id":3}]}的形式
JSONJava
解决方案 »
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*
*//**
* @time 2013-6-18
*/
public class TestGson {
public static void main(String[] args){
String userjson =
"{\"CODE\":{\"ERROR_CODE\":0},\"DATA\":[{\"xm\":\"张三\",\"id\":10},{\"xm\":\"李四\",\"id\":11},{\"xm\":\"王五\",\"id\":12}]}";
String idjson =
"{\"CODE\":{\"ERROR_CODE\":0},\"DATA\":[{\"name\":\"aa\",\"id\":1},{\"name\":\"bb\",\"id\":2},{\"name\":\"cc\",\"id\":3}]}";
Gson gson = new Gson();
Userobj user = gson.fromJson(userjson, Userobj.class);
Idobj id = gson.fromJson(idjson, Idobj.class);
Toobj to = new Toobj();
to.setUser(user.getDATA());
to.setId(id.getDATA());
String result = gson.toJson(to);
System.out.println(result);
}
}class Userobj{
Code CODE;
List<UserData> DATA;
public Code getCODE() {
return CODE;
} public void setCODE(Code cODE) {
CODE = cODE;
}
public List<UserData> getDATA() {
return DATA;
} public void setDATA(List<UserData> dATA) {
DATA = dATA;
}
}class Idobj{
Code CODE;
List<IdData> DATA;
public Code getCODE() {
return CODE;
}
public void setCODE(Code cODE) {
CODE = cODE;
}
public List<IdData> getDATA() {
return DATA;
}
public void setDATA(List<IdData> dATA) {
DATA = dATA;
}
}class Toobj{
List<UserData> user;
List<IdData> id;
public List<UserData> getUser() {
return user;
}
public void setUser(List<UserData> user) {
this.user = user;
}
public List<IdData> getId() {
return id;
}
public void setId(List<IdData> id) {
this.id = id;
}
}class Code{
int ERROR_CODE; public int getERROR_CODE() {
return ERROR_CODE;
} public void setERROR_CODE(int eRRORCODE) {
ERROR_CODE = eRRORCODE;
}
}class UserData{
String xm;
int id;
public String getXm() {
return xm;
}
public void setXm(String xm) {
this.xm = xm;
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
}class IdData{
String name;
int id;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
}最后的打印结果:{"user":[{"xm":"张三","id":10},{"xm":"李四","id":11},{"xm":"王五","id":12}],"id":[{"name":"aa","id":1},{"name":"bb","id":2},{"name":"cc","id":3}]}
关于 Gson 你在google上搜索一下就有了
JSONObject codeObject = new JSONObject();
codeObject.put("ERROR_CODE", 0);
JSONArray jsonArray = new JSONArray();
JSONObject jObject = new JSONObject();
jObject.put("xml","张三");
jObject.put("id", 10);
JSONObject jObject1 = new JSONObject();
jObject1.put("xml","李四");
jObject1.put("id", 11);
JSONObject jObject2 = new JSONObject();
jObject2.put("xml","王五");
jObject2.put("id", 12);
jsonArray.element(jObject).element(jObject1).element(jObject2);
jsonObject.put("CODE",codeObject);
jsonObject.put("DATA", jsonArray);
System.out.println(jsonObject);
JSONObject json = new JSONObject();
JSONObject code = new JSONObject();
code.put("ERROR_CODE", 0);
JSONArray array = new JSONArray();
JSONObject jo = new JSONObject();
jo.put("name","aa");
jo.put("id", 1);
JSONObject jo1 = new JSONObject();
jo1.put("name","bb");
jo1.put("id", 2);
JSONObject jo3 = new JSONObject();
jo3.put("name","cc");
jo3.put("id", 3);
array.element(jo).element(jo1).element(jo3);
json.put("CODE",code);
json.put("DATA", array);
System.out.println(json);
JSONObject object = new JSONObject();
JSONArray jsonArray2 = new JSONArray();
JSONArray a1 = jsonObject.getJSONArray("DATA");
ListIterator iterator = a1.listIterator();
while(iterator.hasNext()){
jsonArray2.element(iterator.next());
}
object.put("user",jsonArray2);
System.out.println(object);