【Qt Quick】————打开文件对话框

 //任务栏显示矩形框
    Rectangle{
        id:view_Rec
        anchors.fill: parent
        border.color: "black"
        border.width: 1

        Column{
            id:view_Row
            width: parent.width-10
            height: parent.height-10
            anchors.centerIn: parent
            spacing: 5

            //显示端口设置窗口
            Rectangle{
                id:open_Rec
                width: parent.width
                height: 30
                color: "#00000000"
                Text {
                    id: open_Text
                    text: qsTr("打开")
                    font.pointSize: fontSize
                    font.bold: true
                    color: fontColor
                    anchors.left: parent.left
                    anchors.leftMargin: 15
                    anchors.verticalCenter: parent.verticalCenter
                }

                MouseArea{
                    id:open_MA
                    anchors.fill: parent
                    hoverEnabled: true
                    onEntered: {open_Rec.color = "#99cef0"}
                    onExited: {open_Rec.color = "#00000000"}
                    onClicked: {
                        fileDialog.open()
                    }
                }
            }


        }
    }

    FileDialog{
        id:fileDialog
        title: "!!!!"
        nameFilters: ["*.json"]
    }