var money = (parseInt(prompt("请输入本金:")*1));
    var year = (parseInt(prompt("请输入存款期限:")*1));
    var lixi;
    if(year ==1){
        lixi = money*0.0063*12*year;
    }else if(year ==2){
        lixi = money*0.0066*12*year;
        }else if(year == 3) {
            lixi = money*0.0069*12*year;
        }else if(year == 5) {
            lixi = money*0.0075*12*year;
        }else if(year == 8) {
            lixi = money*0.0084*12*year;
        }else{
            alert('出错了')
    }
    alert("本息和是"+(money+lixi));