qml 想要通过下拉框控制调用哪个Qsettings
时间: 2023-09-16 21:11:06 浏览: 72
可以通过绑定下拉框的选中值,然后在相应的槽函数中根据选中值调用相应的QSettings实例。例如,可以在QML中定义一个下拉框和一个按钮,代码类似如下:
```
ComboBox {
id: settingsSelector
model: ["settings1", "settings2", "settings3"]
}
Button {
text: "Load Settings"
onClicked: {
var selectedSetting = settingsSelector.currentText
if (selectedSetting === "settings1") {
// 调用settings1
} else if (selectedSetting === "settings2") {
// 调用settings2
} else if (selectedSetting === "settings3") {
// 调用settings3
}
}
}
```
在槽函数中,可以根据下拉框的选中值来调用相应的QSettings实例,例如:
```
function loadSettings() {
var selectedSetting = settingsSelector.currentText
if (selectedSetting === "settings1") {
var settings = new QSettings("org.example", "Settings1")
// 使用settings1
} else if (selectedSetting === "settings2") {
var settings = new QSettings("org.example", "Settings2")
// 使用settings2
} else if (selectedSetting === "settings3") {
var settings = new QSettings("org.example", "Settings3")
// 使用settings3
}
}
```
阅读全文