如何获取数组中json子级的值 [英] How to get the value of json child in an array
本文介绍了如何获取数组中json子级的值的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我正在使用android studio如何将bio的值和此JSON文件中的链接的值更改为字符串
How can the value of bio and the value of link in this JSON file to a string i am using android studio
{
"Amber": [
{
"Info": {
"name": "Amber",
"bio": "Turkish-Cypriot",
"image": "null"
},
"Class": {
"Adorable": {
"name": "",
"link": ""
},
"IronAge": {
"name": "",
"link": ""
}
}
}
]
}
我的Java代码
private void parseResult_GetWebData(String result) {
try {
JSONObject response = new JSONObject(result);
JSONArray jsonArray = response.getJSONArray("Amber");
for (int i = 0; i < jsonArray.length(); i++) {
JSONObject jsonObject = jsonArray.optJSONObject(i);
JSONObject jsonArray1 = jsonObject.getJSONObject("Info");
JSONObject jsonArray2 = jsonObject.getJSONObject("Class");
String bio = jsonArray1.optString("bio");
String link = jsonArray2.optString("link");
}
} catch (JSONException e) {
e.printStackTrace();
}
}
我的代码没有得到任何结果,我不知道确切在做什么
With my code am not getting any result, i don,t know what exactly am doing work
推荐答案
您应该使用数据模型,即标准方式.
You should use data model i.e standard way.
Pojo主要课程
public class MyModel
{
private Amber[] Amber;
public Amber[] getAmber ()
{
return Amber;
}
public void setAmber (Amber[] Amber)
{
this.Amber = Amber;
}
@Override
public String toString()
{
return "[Amber = "+Amber+"]";
}
}
Amber.java
Amber.java
public class Amber
{
private Class Class;
private Info Info;
//Can not getClass name of this method becuase getClass method is define in Object class so make it just getClassi or anything else.
public Class getClassi ()
{
return Class;
}
public void setClass (Class Class)
{
this.Class = Class;
}
public Info getInfo ()
{
return Info;
}
public void setInfo (Info Info)
{
this.Info = Info;
}
@Override
public String toString()
{
return "Amber [Class = "+Class+", Info = "+Info+"]";
}
}
Class.java
Class.java
public class Class
{
private Adorable Adorable;
private IronAge IronAge;
public Adorable getAdorable ()
{
return Adorable;
}
public void setAdorable (Adorable Adorable)
{
this.Adorable = Adorable;
}
public IronAge getIronAge ()
{
return IronAge;
}
public void setIronAge (IronAge IronAge)
{
this.IronAge = IronAge;
}
@Override
public String toString()
{
return "Info [Adorable = "+Adorable+", IronAge = "+IronAge+"]";
}
}
IronAge.java
IronAge.java
public class IronAge
{
private String name;
private String link;
public String getName ()
{
return name;
}
public void setName (String name)
{
this.name = name;
}
public String getLink ()
{
return link;
}
public void setLink (String link)
{
this.link = link;
}
@Override
public String toString()
{
return "IronAge [name = "+name+", link = "+link+"]";
}
}
Adorable.java
Adorable.java
public class Adorable
{
private String name;
private String link;
public String getName ()
{
return name;
}
public void setName (String name)
{
this.name = name;
}
public String getLink ()
{
return link;
}
public void setLink (String link)
{
this.link = link;
}
@Override
public String toString()
{
return "Adorable [name = "+name+", link = "+link+"]";
}
}
Info.java
Info.java
public class Info
{
private String image;
private String name;
private String bio;
public String getImage ()
{
return image;
}
public void setImage (String image)
{
this.image = image;
}
public String getName ()
{
return name;
}
public void setName (String name)
{
this.name = name;
}
public String getBio ()
{
return bio;
}
public void setBio (String bio)
{
this.bio = bio;
}
@Override
public String toString()
{
return " class [image = "+image+", name = "+name+", bio = "+bio+"]";
}
}
现在使用 GSON 将JSON数据解析为模型类.
Now use GSON to parse JSON data to model class.
这是 GSON
dependencies {
implementation 'com.google.code.gson:gson:2.8.6'
}
public void parse(String jsonString){
Gson gson = new Gson();
MyModel model = gson.fromJson(jsonString, MyModel.class);
for(Amber amber : model.getAmber()){
//TO GET Links
String link1 = amber.getClassi().getAdorable().getLink();
String link2 = amber.getClassi().getIronAge().getLink();
}
}
您可以使用此将JSON转换为模型pojo类.
You can use this to convert JSON to model pojo classes.
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