AutoSuggestBox(自动建议框)
AutoSuggestBox 是一个文本输入控件,当用户开始输入时提供建议,帮助用户快速找到并选择正确的选项。它基于 TextField,但添加了动态建议功能。
基本使用

qml
AutoSuggestBox {
id: control
width: 240
placeholderText: qsTr("Type to search...")
suggestions: [
"Apple",
"Banana",
"Cherry",
"Date",
"Elderberry",
"Fig",
"Grape",
"Honeydew"
]
}使用自定义模型

qml
AutoSuggestBox {
id: control
width: 240
placeholderText: qsTr("Select a country...")
textRole: "name"
suggestions: ListModel {
ListElement { name: "United States"; code: "US" }
ListElement { name: "United Kingdom"; code: "GB" }
ListElement { name: "Japan"; code: "JP" }
ListElement { name: "Germany"; code: "DE" }
}
}处理选择

qml
AutoSuggestBox {
id: control
width: 240
placeholderText: qsTr("Select a color...")
suggestions: [
"Red",
"Green",
"Blue",
"Yellow",
"Purple"
]
onSuggestionChosen: function(suggestion) {
console.log("Selected:", suggestion)
}
}重要属性
model: 建议列表的模型,可以是数组或 ListModeltextRole: 当使用 ListModel 时,指定要显示的角色的名称maximumMenuHeight: 建议下拉菜单的最大高度suggestionChosen(suggestion): 当用户选择一个建议时发出的信号
重要方法
getFilteredSuggestions(): 返回与当前输入文本匹配的建议列表
