<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="Generator" content="EditPlus®">
<meta name="Author" content="">
<meta name="Keywords" content="">
<meta name="Description" content="">
<title>test</title>
<style>
body{margin:0;padding:0;}
</style>
<script type="text/javascript">
function countTime() {
//获取当前时间
var date = new Date();
var now = date.getTime();
//设置截止时间
var str="2021/6/7 00:00:00";
var endDate = new Date(str);
var end = endDate.getTime();
//时间差
var leftTime = end-now;
//定义变量 d,h,m,s保存倒计时的时间
var d,h,m,s;
if (leftTime>=0) {
d = Math.floor(leftTime/1000/60/60/24);
h = Math.floor(leftTime/1000/60/60%24);
m = Math.floor(leftTime/1000/60%60);
s = Math.floor(leftTime/1000%60);
}
//将倒计时赋值到div中
document.getElementById("_d").innerHTML = d+"天";
document.getElementById("_h").innerHTML = h+"时";
document.getElementById("_m").innerHTML = m+"分";
document.getElementById("_s").innerHTML = s+"秒";
//递归每秒调用countTime方法，显示动态时间效果
setTimeout(countTime,1000);
//JS来源：https://www.cnblogs.com/heizai002/p/6862418.html
var nowyear = date.getFullYear();
var nowmonth = date.getMonth();
var nowdate = date.getDate();
var nowday = date.getDay()
var nowhour = date.getHours();
var nowminute = date.getMinutes();
var nowsecond = date.getSeconds();
var nowmillisecond = date.getMilliseconds();
document.getElementById("now_y").innerHTML = nowyear+"年";
document.getElementById("now_m").innerHTML = nowmonth+"月";
document.getElementById("now_d").innerHTML = nowdate+"日";
//document.getElementById("now_x").innerHTML = nowday+"";
document.getElementById("now_h").innerHTML = nowhour+"时";
document.getElementById("now_mi").innerHTML = nowminute+"分";
document.getElementById("now_s").innerHTML = nowsecond+"秒";
//document.getElementById("now_mil").innerHTML = nowmillisecond+"毫秒";
if (nowday==1)//用if条件将nowday所得的各个值分别附在now_x上
{
document.getElementById("now_x").innerHTML = "星期一";
}else if(nowday==2){
document.getElementById("now_x").innerHTML = "星期二";
}else if(nowday==3){
document.getElementById("now_x").innerHTML = "星期三";
}else if(nowday==4){
document.getElementById("now_x").innerHTML = "星期四";
}else if(nowday==5){
document.getElementById("now_x").innerHTML = "星期五";
}else if(nowday==6){
document.getElementById("now_x").innerHTML = "星期六";
}else if(nowday==0){
document.getElementById("now_x").innerHTML = "星期日";
}
/*使用switch语句也可
var week;
switch(nowday){
case 1:
week="星期一";
break;
case 2:
week="星期二";
break;
case 3:
week="星期三";
break;
case 4:
week="星期四";
break;
case 5:
week="星期五";
break;
case 6:
week="星期六";
break;
case 7:
week="星期日";
break;
}
document.getElementById("now_x").innerHTML = week;
*/
}
</script>
</head>
<body onload="countTime()">
<div class='countTime'>
<span class='CTwenben'>日期：2020年7月7日</span>
<span class='CTriqi'>距2020届高考还有:</span>
<br/><br/>
<div class='now_t' style='margin-bottom:25px;line-height:1px;'>
<span id='now_y'></span>
<span id='now_m'></span>
<span id='now_d'></span>
<span id='now_x'></span>
<span id='now_h'></span>
<span id='now_mi'></span>
<span id='now_s'></span>
<span id='now_mil'></span>
</div>
<div style='color:#ff0000'>
<span id="_d">00</span>
<span id="_h">00</span>
<span id="_m">00</span>
<span id="_s">00</span>
</div>
</div>
</body>
</html>
#include "stdio.h"
main()
{//去掉前后端的*
char a[100]="****abcd*efgl****",*pa;
int n=0,j=0,i=0;
pa=a;
while(*pa){n++;pa++;}
pa--;
while(*pa=='*'){pa--;}
pa++;*pa='\0';
pa=a;
while(*pa=='*'){pa++;
}
while(*pa!='\0'){
a[i]=*pa;
pa++;
i++;
}
a[i]='\0';
puts(a);
//printf("%d",n);
}
#include "stdio.h"
main()
{
int i,j,a[5][5]={0};
for(i=0;i<5;i++)
{
for(j=0;j<5;j++){
if(i==j){a[i][j]=1;printf("%d ",a[i][j]);
}else if(i==5-1-j){a[i][j]=1;printf("%d ",a[i][j]);
}else if(i<j&&i+j<4){a[i][j]=2;printf("%d ",a[i][j]);
}else if(i<j&&i+j>4){a[i][j]=3;printf("%d ",a[i][j]);
}else if(i>j&&i+j>4){a[i][j]=4;printf("%d ",a[i][j]);
}else if(i>j&&i+j<4){a[i][j]=5;printf("%d ",a[i][j]);
}else{a[i][j]=0;printf("%d ",a[i][j]);}
}
printf("\n");
}
}
