如图 请问如何把按钮的值赋到input上

plus.nativeUI.actionSheet({  
    cancel: "关闭菜单",  
    buttons: [{  
        title: "按钮一",  
        style: "default",  
        color: "#0000FF"  
    }, {  
        title: "按钮二",  
        style: "default",  
        color: "#0000FF"  
    }, {  
        title: "按钮三",  
        style: "default",  
        color: "#006400"  
    }, {  
        title: "按钮四",  
        style: "default",  
        color: "#006400"  
    }, {  
        title: "按钮五",  
        style: "default",  
        color: "#ED1C24"  
    }]  
}, function (e) {  
    switch (e.index) {  
        case 1:  

            break;  
        case 2:  

            break;  
        case 3:  

            break;  
        case 4:  

            break;  
        case 5:  

            break;  
    }  
});