无法获取 JSON 对象的元素

发布于 2025-01-18 06:13:56 字数 1492 浏览 2 评论 0 原文

我有一个包含一些json对象的jsonobject

  "paths": {
    "/api/{version}/RAW/getrawdata": {
      "get": {
        "tags": [
          "RAw"
        ],
        "summary": "/getrawdata",
        "parameters": [
          {
            "name": "token",
            "in": "header",
            "description": "gettoken",
            "schema": {
              "type": "string"
            },
    "/api/{version}/filtered/getfinaldatadata": {
    "get": {
        "tags": [
          "filtered"
        ],
        "summary": "/getfinaldatadata",

Now I want to get the elements summary and tags and want to return the values. Its easy to get the value of summary but tags has [] so I don't know how to take the value e.g RAW . I was trying something like this

package beans;

import org.apache.camel.Exchange;
import org.apache.camel.Header;
public class URIpattern {
    @SuppressWarnings("deprecation")
    public String URI(JSONObject json,
            @Header (Exchange.SLIP_ENDPOINT) String previous) {
        if(previous!=null){
             return null;


  JSONObject paths= json.getJSONObject("paths");
  JSONObject summary = operation.getString("summary");
    JSONObject tags = operation.getJSONObject("tags");
      return tags + summary;

但这没有做任何事情。有人可以指导我，因为我是Java的新手。任何帮助将不胜感激。提前致谢

原文

I have a jsonobject that contains some json objects

  "paths": {
    "/api/{version}/RAW/getrawdata": {
      "get": {
        "tags": [
          "RAw"
        ],
        "summary": "/getrawdata",
        "parameters": [
          {
            "name": "token",
            "in": "header",
            "description": "gettoken",
            "schema": {
              "type": "string"
            },
    "/api/{version}/filtered/getfinaldatadata": {
    "get": {
        "tags": [
          "filtered"
        ],
        "summary": "/getfinaldatadata",

package beans;

import org.apache.camel.Exchange;
import org.apache.camel.Header;
public class URIpattern {
    @SuppressWarnings("deprecation")
    public String URI(JSONObject json,
            @Header (Exchange.SLIP_ENDPOINT) String previous) {
        if(previous!=null){
             return null;


  JSONObject paths= json.getJSONObject("paths");
  JSONObject summary = operation.getString("summary");
    JSONObject tags = operation.getJSONObject("tags");
      return tags + summary;

but it is not doing any thing. Can someone please guide me since I am new to java.
Any help would be appreciated. Thanks in Advance

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來不及說愛妳 2025-01-25 06:13:56

好吧，我猜你正在使用这个 Object 并且在定义的类中您有函数 getJSONArray 之后只需使用新的 ArrayObject 并从中提取您需要的数据。

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浪漫之都 2025-01-25 06:13:56

在 JSON 中，[] 中的值被视为数组。因此，如果您需要提取 tags，则需要将它们放入一个数组中，例如，

 String json = "{\"tags\":[\"1\",\"2\",\"3\"]}";
 JSONObject object = new JSONObject(json);
 JSONArray array = object.getJSONArray("tags");
 System.out.println(array);

PS 我找不到有问题的 json 是有效的，因此我使用了一些 exmaple 来解释JSONArray。

In JSON values are present in [] are treated as arrays. So if you need to extract the tags, you will need to get them in a array like,

 String json = "{\"tags\":[\"1\",\"2\",\"3\"]}";
 JSONObject object = new JSONObject(json);
 JSONArray array = object.getJSONArray("tags");
 System.out.println(array);

P.S. I could not find the json posted in question to be valid, hence I have used some exmaple to explain the JSONArray.

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