def refresh_contacts(self): if not self.bundle_process_done: return 这段代码什么意思
时间: 2024-06-05 14:09:32 浏览: 19
这段代码是一个方法,名为`refresh_contacts`。它检查一个叫做`bundle_process_done`的变量是否为`True`,如果不是,则返回(即不执行下面的操作)。这个变量的值可能是在其他地方设置的。如果`bundle_process_done`是`True`,则继续执行下面的代码。这段代码的具体功能需要查看更多的上下文才能确定。
相关问题
用go语言提取{"access_token":"hy.patrol.1.a1b421bb-46fd-4460-bddf-777eaefc68b4","token_type":"bearer","refresh_token":"hy.patrol.1.d669276c-446c-4654-9f12-837a9af1bb33","expires_in":3558,"scope":"all","user_info":{"username":"H02110"}}中的"access_token":"hy.patrol.1.a1b421bb-46fd-4460-bddf-777eaefc68b4"并保持成json
代码实现:
```go
package main
import (
"encoding/json"
"fmt"
)
func main() {
originalJson := `{"access_token":"hy.patrol.1.a1b421bb-46fd-4460-bddf-777eaefc68b4","token_type":"bearer","refresh_token":"hy.patrol.1.d669276c-446c-4654-9f12-837a9af1bb33","expires_in":3558,"scope":"all","user_info":{"username":"H02110"}}`
var result map[string]interface{}
err := json.Unmarshal([]byte(originalJson), &result)
if err != nil {
fmt.Println("Unmarshal error:", err)
return
}
access_token, ok := result["access_token"]
if !ok {
fmt.Println("access_token not found")
return
}
newJson := map[string]interface{}{
"access_token": access_token,
}
newBytes, err := json.Marshal(newJson)
if err != nil {
fmt.Println("Marshal error:", err)
return
}
fmt.Println(string(newBytes))
}
```
输出结果:
```
{"access_token":"hy.patrol.1.a1b421bb-46fd-4460-bddf-777eaefc68b4"}
```
import sys import serial from PyQt5.QtWidgets import QMainWindow, QApplication from aaa_main import Ui_MainWindow from aaa_child import Ui_ChildWindow import serial.tools.list_ports class Main(QMainWindow, Ui_MainWindow): def __init__(self): super(Main, self).__init__() self.setupUi(self) self.serial = serial.Serial() self.refresh() def refresh(self): plist = list(serial.tools.list_ports.comports()) if len(plist)<=0: self.comboBox_uart.clear() self.comboBox_uart.addItem("无串口") else: self.comboBox_uart.clear() for i in range(0, len(plist)): plist_0 = list(plist[i]) self.comboBox_uart.addItem(str(plist_0[0])) def btn_uart_cb(self): if not self.serial.isOpen(): self.btn_Open.setText("关闭串口") portName = self.comboBox_uart.currentText() baud = self.comboBox_baud.currentText() self.serial = serial.Serial(portName, baud) else: self.serial.close() self.btn_Open.setText("打开串口") class Child(QMainWindow, Ui_ChildWindow): def __init__(self): super(Child, self).__init__() self.setupUi(self) self.pushButton.clicked.connect(self.close) def Open(self): self.show() if __name__ == "__main__": app = QApplication(sys.argv) main = Main() child = Child() main.show() main.pushButton.clicked.connect(child.Open) sys.exit(app.exec_())
这段代码看起来比之前的代码没有问题,但是需要确认 `aaa_main.py` 和 `aaa_child.py` 这两个文件中定义的 `Ui_MainWindow` 和 `Ui_ChildWindow` 类是否存在,以及是否正确导入。如果这些类不存在或者导入错误,也会导致程序崩溃。另外,如果你在程序运行过程中出现错误,可以查看控制台输出的错误信息,以便更好地定位问题。