刚才试了试不行[{"devName":"aaa","UsePercent":1.2323},{"devName":"bbb","UsePercent":1.121}]没有封装为对象

你好！根据你的描述，你试图将一个列表[{"devName":"aaa","UsePercent":1.2323},{"devName":"bbb","UsePercent":1.121}]封装为对象，但似乎没有成功。如果你想将这个列表封装为对象，你可以创建一个类来表示这个对象，并在类中定义相应的属性和方法。下面是一个可能的实现方式：

class Device:
    def __init__(self, devName, usePercent):
        self.devName = devName
        self.usePercent = usePercent

# 创建对象列表
devices = [
    Device("aaa", 1.2323),
    Device("bbb", 1.121)
]

# 访问对象属性
for device in devices:
    print(device.devName, device.usePercent)

这样，你就可以通过创建Device类的实例来封装每个设备的名称和使用百分比，并通过访问对象属性来获取相应的信息。

相关问题

devName = QString::fromLatin1(gBtnDevInfo.devInfo[gBtnDevInfo.devInfoNum].boxNum, sizeof (gBtnDevInfo.devInfo[gBtnDevInfo.devInfoNum].boxNum));

这段代码使用了`QString::fromLatin1()`函数将一个`char`数组转换为`QString`类型的字符串。

`fromLatin1()`函数的原型为：

QString QString::fromLatin1(const char *str, int size = -1)

它接受两个参数，第一个参数是`const char*`类型的字符串指针，第二个参数是可选的字符串长度。

在这段代码中，`gBtnDevInfo.devInfo[gBtnDevInfo.devInfoNum].boxNum`是一个`char`数组，它的长度可能是固定的，也可能是动态的。因此，这里使用了`sizeof()`运算符来获取数组的长度，将其作为第二个参数传递给`fromLatin1()`函数。这样，`fromLatin1()`函数就可以正确地将`char`数组转换为`QString`类型的字符串。

需要注意的是，`fromLatin1()`函数只能将Latin1编码的字符串转换为`QString`类型的字符串。如果你需要将其他编码的字符串转换为`QString`类型的字符串，可以考虑使用其他函数，如`QString::fromUtf8()`、`QString::fromLocal8Bit()`等。

使用RestTemplate的POST请求http://www.ousuiot.com:9801/querypubdata,用实体类接收结果集 请求参数： { "signature":"FC73D944C6E54087ABDC3F71AD7857BF", "deviceid":"230417100002" } 请求结果： {"code":200,"deviceid":"230417100002","data":[{"channelid":1,"devname":"温度","devvalue":"35.3","devunit":"℃","devtime":"2023-06-02 16:18:54"},{"channelid":2,"devname":"湿度","devvalue":"46.6","devunit":"%RH","devtime":"2023-06-02 16:18:54"},{"channelid":3,"devname":"光照度","devvalue":"8960","devunit":"Lux","devtime":"2023-06-02 16:18:54"},{"channelid":4,"devname":"二氧化碳","devvalue":"457","devunit":"ppm","devtime":"2023-06-02 16:18:54"},{"channelid":5,"devname":"土壤温度","devvalue":"40.1","devunit":"℃","devtime":"2023-06-02 16:18:54"},{"channelid":6,"devname":"土壤湿度","devvalue":"25.1","devunit":"%","devtime":"2023-06-02 16:18:54"},{"channelid":7,"devname":"土壤电导率","devvalue":"200","devunit":"μS/cm","devtime":"2023-06-02 16:18:54"},{"channelid":8,"devname":"土壤pH值","devvalue":"6.8","devunit":"pH","devtime":"2023-06-02 16:18:54"},{"channelid":9,"devname":"土壤氮含量","devvalue":"15","devunit":"mg/Kg","devtime":"2023-06-02 16:18:54"},{"channelid":10,"devname":"土壤磷含量","devvalue":"21","devunit":"mg/Kg","devtime":"2023-06-02 16:18:54"},{"channelid":11,"devname":"土壤钾含量","devvalue":"53","devunit":"mg/Kg","devtime":"2023-06-02 16:18:54"}]}

根据上面的请求参数和请求结果，你可以定义一个实体类`ResultEntity`来接收返回结果：

public class ResultEntity {
    private Integer code;
    private String deviceid;
    private List<DataEntity> data;

    // getters and setters
}

public class DataEntity {
    private Integer channelid;
    private String devname;
    private String devvalue;
    private String devunit;
    private String devtime;

    // getters and setters
}

然后使用RestTemplate发送POST请求并接收结果：

RestTemplate restTemplate = new RestTemplate();

String url = "http://www.ousuiot.com:9801/querypubdata";

HttpHeaders headers = new HttpHeaders();
headers.setContentType(MediaType.APPLICATION_JSON);

Map<String, String> requestMap = new HashMap<>();
requestMap.put("signature", "FC73D944C6E54087ABDC3F71AD7857BF");
requestMap.put("deviceid", "230417100002");

HttpEntity<Map<String, String>> requestEntity = new HttpEntity<>(requestMap, headers);

ResponseEntity<ResultEntity> responseEntity = restTemplate.postForEntity(url, requestEntity, ResultEntity.class);

ResultEntity result = responseEntity.getBody();

这样，`result`对象就包含了返回结果中的所有信息。可以通过`result.getCode()`获取返回的状态码，通过`result.getData()`获取设备数据列表。需要注意的是，`ResultEntity`中的属性名要与返回结果中的字段名一致。