简单的计算器代码

本文格式为Word版，下载可任意编辑——简单的计算器代码简朴的计算器代码

作为初学者能写出一个简朴的程序再开心不过了。下面我给大家介绍一个简朴的计算器代码程序。

metacontent=text/html;charset=utf-8http-equiv=Content-Type/

title/title

styletype=text/css

#boxwidth:295px;margin:0auto;text-align:justify;border:1pxsolid#ddd;padding:15px;

.d_numdisplay:inline-block;margin:10px;width:33px;height:30px;border:1pxsolid#ddd;text-align:center;line-height:30px;cursor:pointer;

.summargin:010px10px;line-height:30px;font-size:20px;

#sumwidth:205px;height:30px;padding:05px;margin-left:5px;font-size:20px;

#processwidth:255px;height:30px;padding:05px;margin-left:5px;font-size:20px;/style

pid=box

pclass=sum

inputid=processname=processtype=textvalue=0//p

pclass=sum

SUM:inputid=sumname=sumtype=textvalue=0//p

p

spanclass=d_numdata-num=11/spanspanclass=d_numdata-num=22/spanspanclass=d_numdata-num=33/spanspanclass=d_numdata-num=lt;-lt;-/spanspanclass=d_numdata-num=CC/span/p

p

spanclass=d_numdata-num=44/spanspanclass=d_numdata-num=55/spanspanclass=d_numdata-num=66/spanspanclass=d_numdata-num=**/spanspanclass=d_numdata-num=///span/p

p

spanclass=d_numdata-num=77/spanspanclass=d_numdata-num=88/spanspanclass=d_numdata-num=99/spanspanclass=d_numdata-num=++/spanspanclass=d_numdata-num=--/span/p

p

spanclass=d_numdata-num=00/spanspanclass=d_numdata-num=0000/spanspanclass=d_numdata-num=../spanspanclass=d_numdata-num=%%/spanspanclass=d_numdata-num===/span/p

/p

scripttype=text/javascript

var$box=document.getElementByIdbox;

var$sum=document.getElementByIdsum;

var$process=document.getElementByIdprocess;

varsum=0,process=,num1=,num2=,temp=,statu=false;

$box.onclick=functione

varevent=window.event||e;

varele=event.srcElement||event.target;

var_className=ele.className;

if_className==d_num

varnum=ele.getAttributedata-num;//点击的.按钮对应的值

varNotNum=isNaNnum;

if!NotNum||num==.//点击了数字

if!statu//还没点击过符号

ifnum1==0

num1=;

num1+=num;

process=num1;

else//已经点击过符号

ifnum2==0

num2=;

num2+=num;

process=num1+temp+num2;

$process.value=process;

else//点击了符号

ifnum1==//非法操作

returnfalse;

ifnum==C//归零

num1=;

num2=;

process=;

temp=;

sum=;

$process.value=0;

$sum.value=0;

简朴的计算器代码

statu=false;

returnfalse;

ifnum==-//退档

ifsum!=

returnfalse;

ifnum2==

;num1=num1.substring0,num1.length-1;

ifnum1==

num1=0;

process=num1;

$process.value=process;

else

num2=num2.substring0,num2.length-1;

ifnum2==

num2=0;

process=num1+temp+num2;

$process.value=process;

returnfalse;

ifnum2!=//ab

ifnum===//元操作到此终止

$process.value=process;

else

$process.value=process+num;

switchtemp//元操作持续

case+:sum=parseFloatnum1+parseFloatnum2;$sum.value=sum;$process.value=process;num1=sum+;num2=;break;

case-:sum=parseFloatnum1-parseFloatnum2;$sum.value=sum;$process.value=process;num1=sum+;num2=;break;

case*:sum=parseFloatnum1*parseFloatnum2;$sum.value=sum;$process.value=process;num1=sum+;num2=;break;

case/:sum=parseFloatnum1/parseFloatnum2;$sum.value=sum;$process.value=process;num1=sum+;num2=;break;

case%:sum=parseFloatnum1%parseFloatnum2;$sum.value=sum;$process.value=process;num1=sum+;num2=;break;

else//a？

ifnum===

returnf