复习解析嵌套json

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在网络上找的一些经典的例子复习使用

一，解析嵌套json字符串，一个json字符串中嵌套另一个json字符串

{
"msg": {
"resCode": "0000",
"attrName": "sensorData", "result": {
"food1": 0,
"water": 0,
"food2": 106,
"humidity": "152.42",
"temprature": "103.65"
}
}
}

我要获取的是嵌套在msg里的result中的所有数据。

先用msg和result分别创建bean类，把Result作为msg的其中一个变量

public class SensorBean implements Serializable {private Result result;private int resCode;private String attrName;
public Result getResult() {
return result;
}public void setResult(Result result) {
this.result = result;
}public int getResCode() {
return resCode;
}public void setResCode(int resCode) {
this.resCode = resCode;
}public String getAttrName() {
return attrName;
}public void setAttrName(String attrName) {
this.attrName = attrName;
}
@Override
public String toString() {
return "Msg{" +
"result=" + result.toString() +
", resCode=" + resCode +
", attrName='" + attrName + '\'' +
'}';
}}

两个类都继承序列化

public class Result implements Serializable{/**
* food1 : 0
* water : 0
* food2 : 106
* humidity : 152.42
* temprature : 103.65
*/private int food1;
private int water;
private int food2;
private String humidity;
private String temprature;public int getFood1() {
return food1;
}public void setFood1(int food1) {
this.food1 = food1;
}public int getWater() {
return water;
}public void setWater(int water) {
this.water = water;
}public String getTemprature() {
return temprature;
}public void setTemprature(String temprature) {
this.temprature = temprature;
}@Override
public String toString() {
return "Result{" +
"food1=" + food1 +
", water='" + water +
", temprature=" + temprature+ '\''+
'}';
}
}

然后在获取到数据的地方进行Gson解析

Gson gson = new Gson();
SensorBean sensorBean = gson.fromJson(data.getString("msg"), SensorBean.class);
Result result = sensorBean.getResult();
L.d(TAG, "result.bean = " + result.toString());

二.加上数组的json嵌套

{
"error": "0",
"data": [
{
"name": "1",
"value": [
{
"name": "2",
"value": "3"
},
{
"name": "4",
"value": "5"
}
]
},
{
"name": "6",
"value": [
{
"name": "7",
"value": "8"
},
{
"name": "9",
"value": "10"
}
]
}
]
}

import java.util.ArrayList;public class JsonBean {
private Error error;
//data 是个数组
private ArrayList data;
public Error getError(){
return error;
}
public void setError(Error error){
this.error = error ;
} public ArrayList getData(){
return data;
}
public void setData(ArrayList data){
this.data = data;
} public static class Bean2 {
public String name;
public ArrayList value; public String getName() {
return name;
} public void setName(String name) {
this.name = name;
} public ArrayList getValue() {
return value;
} public void setValue(ArrayList value) {
this.value = value;
} @Override
public String toString() {
return "Bean2 [name=" + name + ", value=" + value + "]";
} } public static class Bean3 {
public String name;
private String value; public String getName() {
return name;
} public void setName(String name) {
this.name = name;
} public String getValue() {
return value;
} public void setValue(String value) {
this.value = value;
} @Override
public String toString() {
return "Bean3 [name=" + name + ", value=" + value + "]";
} }
}}