复习解析嵌套json

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 + "]";
        }

    }
}

}