<script type="text/javascript">

functio zz(){

var bt=document.getElementById("day").value;

switch(bt){

case "1":

case "2":

document.write("学习英语");

break;

case "3":

case "4":

case "5":

document.write("学习后端");

break;

case "6":

document.write("学习UI设计");

break;

case "7":

document.write("学习前端");

break;

default:

document.write("请重新输入");

}

}

</script>

<div>请输入工作日</div>

<input type="text" id="day" />

<input type="button" name="button"  value="查看工作安排"  onclick="zz()" />