js Canvas实现的日历时钟案例分享


Posted in Javascript onDecember 25, 2016

js Canvas实现的日历时钟案例分享

Html:

<!doctype html>
<html>
<head>
<meta charset="UTF-8">
<title>Document</title>
<script src="requestNextAnimationFrame.js"></script>
<script src="calendarWithTime.js"></script>
</head>
<body>
<style>
* {margin:0; padding:0;}
#calendarWithTime{
 margin : 0;
}
</style>
<canvas id="calendarWithTime"></canvas>
</body>
</html>

js:

;var calendarWithTime = function(){
 v = navigator.userAgent.toLowerCase().indexOf("android") != -1 || navigator.userAgent.toLowerCase().indexOf("iphone") != -1 || navigator.userAgent.toLowerCase().indexOf("ipad") != -1;
 // 浏览器可见区域
 appWidth = (window.innerWidth || document.documentElement.clientWidth || document.body.clientWidth);
 appHeight = (window.innerHeight || document.documentElement.clientHeight || document.body.clientHeight) - 3; // chrome下,高度一样是,会出现下拉滚动条
 // 中心点
 centerPoint = {'x':appWidth*0.5,'y':appHeight*0.5};
 // 动画用
 lastFpsUpdateTime = (+new Date);
 // canvas对象
 caObj = null;
 // canvas context对象
 ctxtObj = null;
 // 现在时间
 timeNow = "";
 // 开始年份
 startY = 1988;
 init = function(){
  window.onload=function(){this.initCanvas();}
 }();
 getDomId = function(id){return document.getElementById(id);}
 initCanvas = function(id){
  this.caObj = this.getDomId("calendarWithTime");
  this.ctxtObj = this.caObj.getContext("2d");
  // 全屏canvas
  this.caObj.style.width = (this.appWidth+'px');
  this.caObj.style.height = (this.appHeight+'px');
  this.caObj.width = this.appWidth;
  this.caObj.height = this.appHeight;
  if (v) {
   caObj.style.border = "none";
  }
  // 开始年份
  startY = Math.floor((new Date()).getFullYear() / 8) * 8;
  // test 
  // startY = Math.floor(2010 / 8) * 8;
  this.lastFpsUpdateTime = (+new Date);
  this.animate();
 }
 doDraw = function(){
  this.ctxtObj.clearRect(0, 0, this.caObj.width, this.caObj.height);
  var date = new Date();
  // test
  /*date.setDate(29);
  date.setMonth(3);
  date.setFullYear(2010);*/
  var afterGap = 8 - (date.getFullYear() - startY);
  var allYears = date.getFullYear()-this.startY+afterGap;
  var allDays = this.getCountDays(date.getFullYear(),date.getMonth());
  this.doDrawDayPanel(31,allDays);
  this.doDrawMonthPanel();
  this.doDrawYearPanel(this.startY,date.getFullYear(),afterGap);
  // 画时间针
  this.doDrawTPanel();
  this.drawYMDHMS(0,0.35,0,0.1,date.getSeconds(),0,30,'s','');
  this.drawYMDHMS(0,0.3,0,0.05,date.getMinutes(),date.getSeconds()/60,30,'m','');
  this.drawYMDHMS(0,0.25,0,0.03,date.getHours() % 12,date.getMinutes()/60,6,'h','');
  this.drawYMDHMS(0.4,0.7,0.4,0.66,date.getDate(),date.getHours()/24,Math.ceil(31*0.5),'d',date.getDate());
  this.drawYMDHMS(0.4,0.6,0.4,0.568,(date.getMonth()),date.getDate()/(allDays+1),6,'M',date.getMonth()+1);
  this.drawYMDHMS(0.4,0.55,0.4,0.52,(date.getFullYear() - this.startY),(date.getMonth()+1)/13,Math.ceil(allYears*0.5),'y',date.getFullYear());
  // 显示时间
  this.getTimeNow();
  this.ctxtObj.save();
  this.ctxtObj.beginPath();
  this.ctxtObj.fillStyle = "#369";
  this.ctxtObj.strokeStyle = "#369";
  this.ctxtObj.font = "30px bold 微软雅黑";
  this.ctxtObj.textAlign="start";
  this.ctxtObj.textBaseline="top";
  this.ctxtObj.fillText(this.timeNow,0,0);
  this.ctxtObj.strokeText(this.timeNow,0,0);
  this.ctxtObj.restore();
  /*
  fillText(String text,float x,float y,[float maxwidth]):填充字符串
  strokeText(String text,float x,float y,[float maxwidth]):绘制边框
  font="bold 45px 宋体"
  textAlign:设置绘制字符串的水平对齐方式,start|end|right|center
  textBaseline:垂直对齐方式:top|hanging|middle|alphabetic|bottom
  */
 }
 doChangeToFront = function(i,x){
  // 转换为画面值
  return (i +Math.ceil(x/4)) % 60;
 }
 doChangeToEnd = function(i,x){
  // 转换为后台值
  return (i +Math.ceil(x/4*3)) % 60;
 }
 doDrawTPanel = function(){
  // 画时钟面板
  var minsLen = Math.min( this.caObj.width, this.caObj.height)*0.5*0.3;
  var mineLen = Math.min( this.caObj.width, this.caObj.height)*0.5*0.32;
  var maxsLen = Math.min( this.caObj.width, this.caObj.height)*0.5*0.28;
  var maxeLen = Math.min( this.caObj.width, this.caObj.height)*0.5*0.34;
  var gap = Math.PI/30;
  futoNum = 5;
  this.ctxtObj.save();
   this.ctxtObj.fillStyle = "#369";
  this.ctxtObj.strokeStyle = "#369";
  for(var i =0;i<=59;i++){
   if(i % futoNum==0){
    sLen = maxsLen;
    eLen = maxeLen;
   }else{
    sLen = minsLen;
    eLen = mineLen;
   }
   this.ctxtObj.beginPath();
   this.ctxtObj.moveTo(Math.cos(i*gap)*sLen + this.centerPoint.x ,Math.sin(i*gap)*sLen + this.centerPoint.y);
   this.ctxtObj.lineTo(Math.cos(i*gap)*eLen + this.centerPoint.x,Math.sin(i*gap)*eLen + this.centerPoint.y);
   this.ctxtObj.stroke();
   this.ctxtObj.closePath();
   /*iDiff = this.doChangeToFront(i); // i => iDiff
   //iDiff2 = this.doChangeToEnd(iDiff,60); // iDiff => i
   this.ctxtObj.font = "2px bold 微软雅黑";
   this.ctxtObj.textAlign="center"
   this.ctxtObj.textBaseline="middle"
   this.ctxtObj.fillText(iDiff,Math.cos(i*gap)*eLen + this.centerPoint.x,Math.sin(i*gap)*eLen + this.centerPoint.y);
   */

  }
  this.ctxtObj.beginPath();
  this.ctxtObj.arc(this.centerPoint.x,this.centerPoint.y,Math.min( this.caObj.width, this.caObj.height)*0.5*0.01,0,360,false);
  this.ctxtObj.fillStyle="red";
  this.ctxtObj.fill();
  this.ctxtObj.closePath();
  this.ctxtObj.restore();
 }
 doDrawYearPanel = function(startYear,nowYear,afterGap){
  // 画年份面板
  var sLen = Math.min( this.caObj.width, this.caObj.height)*0.5*0.53;
  var eLen = Math.min( this.caObj.width, this.caObj.height)*0.5*0.55;
  var labelLen = Math.min( this.caObj.width, this.caObj.height)*0.5*0.60;
  var allYears = nowYear-startYear+afterGap;
  var gap = Math.PI/Math.ceil(allYears*0.5);
  this.ctxtObj.save();
   this.ctxtObj.fillStyle = "#b4ffff";
  this.ctxtObj.beginPath();
  this.ctxtObj.arc(this.centerPoint.x,this.centerPoint.y,eLen+2,0,360,false);
  this.ctxtObj.closePath();
  this.ctxtObj.fill();
   this.ctxtObj.fillStyle = "white";
  this.ctxtObj.beginPath();
  this.ctxtObj.arc(this.centerPoint.x,this.centerPoint.y,sLen-2,0,360,false);
  this.ctxtObj.closePath();
  this.ctxtObj.fill();
  this.ctxtObj.restore();
   this.ctxtObj.fillStyle = "#369";
  this.ctxtObj.strokeStyle = "#369";
   for(var i =-2;i<=allYears-3;i++){
   this.ctxtObj.save();
   this.ctxtObj.beginPath();
   this.ctxtObj.moveTo(Math.cos(i*gap)*sLen + this.centerPoint.x ,Math.sin(i*gap)*sLen + this.centerPoint.y);
   this.ctxtObj.lineTo(Math.cos(i*gap)*eLen + this.centerPoint.x,Math.sin(i*gap)*eLen + this.centerPoint.y);
   this.ctxtObj.closePath();
   this.ctxtObj.stroke();
   iDiff = this.doChangeToFront(i,allYears) + startYear;
   this.ctxtObj.translate(this.centerPoint.x, this.centerPoint.y);
    this.ctxtObj.rotate(i*gap);
   this.ctxtObj.font = "10px bold 微软雅黑";
   this.ctxtObj.textAlign="start";
   this.ctxtObj.textBaseline="bottom";
   this.ctxtObj.fillText(iDiff,sLen,0);
   this.ctxtObj.restore();
  }
 }
 doDrawMonthPanel = function(){
  // 画年份面板
  var sLen = Math.min( this.caObj.width, this.caObj.height)*0.5*0.58;
  var eLen = Math.min( this.caObj.width, this.caObj.height)*0.5*0.6;
  var labelLen = Math.min( this.caObj.width, this.caObj.height)*0.5*0.70;
  var gap = Math.PI/6;
  this.ctxtObj.save();
   this.ctxtObj.fillStyle = "#fde08c";
  this.ctxtObj.beginPath();
  this.ctxtObj.arc(this.centerPoint.x,this.centerPoint.y,eLen+2,0,360,false);
  this.ctxtObj.closePath();
  this.ctxtObj.fill();
   this.ctxtObj.fillStyle = "white";
  this.ctxtObj.beginPath();
  this.ctxtObj.arc(this.centerPoint.x,this.centerPoint.y,sLen-2,0,360,false);
  this.ctxtObj.closePath();
  this.ctxtObj.fill();
  this.ctxtObj.restore();
   this.ctxtObj.fillStyle = "#369";
  this.ctxtObj.strokeStyle = "#369";
   for(var i =-2;i<=9;i++){
   this.ctxtObj.save();
   this.ctxtObj.beginPath();
   this.ctxtObj.moveTo(Math.cos(i*gap)*sLen + this.centerPoint.x ,Math.sin(i*gap)*sLen + this.centerPoint.y);
   this.ctxtObj.lineTo(Math.cos(i*gap)*eLen + this.centerPoint.x,Math.sin(i*gap)*eLen + this.centerPoint.y);
   this.ctxtObj.closePath();
   this.ctxtObj.stroke();
   iDiff = (this.doChangeToFront(i,12)) % 12+1;
   this.ctxtObj.translate(this.centerPoint.x, this.centerPoint.y);
    this.ctxtObj.rotate(i*gap);
   this.ctxtObj.font = "20px bold 微软雅黑";
   this.ctxtObj.textAlign="start";
   this.ctxtObj.textBaseline="middle";
   this.ctxtObj.fillText((iDiff+'').PadLeft(2,0),eLen,0);
   this.ctxtObj.restore();
  }
 }
 doDrawDayPanel = function(dayCount,realAllDay){
  // 画年份面板
  var sLen = Math.min( this.caObj.width, this.caObj.height)*0.5*0.68;
  var eLen = Math.min( this.caObj.width, this.caObj.height)*0.5*0.7;
  var labelLen = Math.min( this.caObj.width, this.caObj.height)*0.5*0.80;
  var gap = Math.PI/Math.ceil(dayCount*0.5);
  this.ctxtObj.save();
  this.ctxtObj.fillStyle = "#e587e5";
  this.ctxtObj.beginPath();
  this.ctxtObj.arc(this.centerPoint.x,this.centerPoint.y,eLen+2,0,360,false);
  this.ctxtObj.closePath();
  this.ctxtObj.fill();
  this.ctxtObj.fillStyle = "white";
  this.ctxtObj.beginPath();
  this.ctxtObj.arc(this.centerPoint.x,this.centerPoint.y,sLen-2,0,360,false);
  this.ctxtObj.closePath();
  this.ctxtObj.fill();
  this.ctxtObj.restore();
  this.ctxtObj.fillStyle = "#369";
  this.ctxtObj.strokeStyle = "#369";
  for(var i =-2;i<=dayCount-2;i++){
   this.ctxtObj.save();
   this.ctxtObj.beginPath();
   this.ctxtObj.moveTo(Math.cos(i*gap)*sLen + this.centerPoint.x ,Math.sin(i*gap)*sLen + this.centerPoint.y);
   this.ctxtObj.lineTo(Math.cos(i*gap)*eLen + this.centerPoint.x,Math.sin(i*gap)*eLen + this.centerPoint.y);
   this.ctxtObj.closePath();
   this.ctxtObj.stroke();
   iDiff = (this.doChangeToFront(i,dayCount)) % (dayCount+1);
   if(iDiff<=realAllDay && iDiff!=0){
    this.ctxtObj.translate(this.centerPoint.x, this.centerPoint.y);
     this.ctxtObj.rotate(i*gap);
    this.ctxtObj.font = "20px bold 微软雅黑";
    this.ctxtObj.textAlign="start";
    this.ctxtObj.textBaseline="middle";
    this.ctxtObj.fillText((iDiff+'').PadLeft(2,0),eLen,0);
   }
   this.ctxtObj.restore();
  }
 }
 drawYMDHMS = function(slen,elen,cslen,celen,main,sub,gapM,type,value){
  // 画日期时间针
  var date = new Date();
  var siM = main;
  var siS = sub;
  var gap = Math.PI/gapM;
  var sLen = Math.min( this.caObj.width, this.caObj.height)*0.5*slen;
  var eLen = Math.min( this.caObj.width, this.caObj.height)*0.5*elen;
  var csLen = Math.min( this.caObj.width, this.caObj.height)*0.5*cslen;
  var ceLen = Math.min( this.caObj.width, this.caObj.height)*0.5*celen;
  i = this.doChangeToEnd(siM+siS,gapM*2);
  ci = (i+gapM) % (gapM*2);
  this.ctxtObj.save();
  this.ctxtObj.beginPath();
  if(type=='y'){
   this.ctxtObj.strokeStyle="#00cece";
   this.ctxtObj.lineWidth = 6;
  }else if(type=='M'){
   this.ctxtObj.strokeStyle="#ce9b00";
   this.ctxtObj.lineWidth = 5;
  }else if(type=='d'){
   this.ctxtObj.strokeStyle="#bd01bd";
   this.ctxtObj.lineWidth = 4;
  }else if(type=='h'){
   this.ctxtObj.lineWidth = 3;
  }else if(type=='m'){
   this.ctxtObj.lineWidth = 2;
  }else if(type=='s'){
   this.ctxtObj.lineWidth = 1;
  }
  this.ctxtObj.moveTo(Math.cos(i*gap)*sLen + this.centerPoint.x ,Math.sin(i*gap)*sLen + this.centerPoint.y);
  this.ctxtObj.lineTo(Math.cos(i*gap)*eLen + this.centerPoint.x,Math.sin(i*gap)*eLen + this.centerPoint.y);
  this.ctxtObj.moveTo(Math.cos(ci*gap)*csLen + this.centerPoint.x ,Math.sin(ci*gap)*csLen + this.centerPoint.y);
  this.ctxtObj.lineTo(Math.cos(ci*gap)*ceLen + this.centerPoint.x,Math.sin(ci*gap)*ceLen + this.centerPoint.y);
  this.ctxtObj.stroke();
  this.ctxtObj.closePath();
  this.ctxtObj.restore();
  var cpi = ci*gap*360/Math.PI;
  if(type=='y'){
   this.ctxtObj.save();
    this.ctxtObj.fillStyle = "#00cece";
   this.ctxtObj.strokeStyle="#00cece";
   this.ctxtObj.lineWidth = 8;
   this.ctxtObj.beginPath();
   this.ctxtObj.arc(this.centerPoint.x,this.centerPoint.y,ceLen,ci*gap-gap*0.5,ci*gap+gap*0.5,false);
   this.ctxtObj.stroke();
   this.ctxtObj.closePath();
   this.ctxtObj.translate(this.centerPoint.x, this.centerPoint.y);
    this.ctxtObj.rotate(i*gap);
   this.ctxtObj.font = "20px bold 微软雅黑";
   this.ctxtObj.textAlign="start";
   this.ctxtObj.textBaseline="middle";
   this.ctxtObj.lineWidth = 2;
   this.ctxtObj.fillText(value + '年',eLen*1.03,0);
   this.ctxtObj.strokeText(value + '年',eLen*1.03,0);
   this.ctxtObj.restore();
  }else if(type=='M'){
   this.ctxtObj.save();
   this.ctxtObj.beginPath();
    this.ctxtObj.fillStyle = "#ce9b00";
   this.ctxtObj.strokeStyle="#ce9b00";
   this.ctxtObj.lineWidth = 7;
   this.ctxtObj.arc(this.centerPoint.x,this.centerPoint.y,ceLen,ci*gap-gap*0.5,ci*gap+gap*0.5,false);
   this.ctxtObj.stroke();
   this.ctxtObj.closePath();
   this.ctxtObj.translate(this.centerPoint.x, this.centerPoint.y);
    this.ctxtObj.rotate(i*gap);
   this.ctxtObj.font = "20px bold 微软雅黑";
   this.ctxtObj.textAlign="start";
   this.ctxtObj.textBaseline="middle";
   this.ctxtObj.lineWidth = 2;
   this.ctxtObj.fillText(value + '月',eLen*1.03,0);
   this.ctxtObj.strokeText(value + '月',eLen*1.03,0);
   this.ctxtObj.restore();
  }else if(type=='d'){
   this.ctxtObj.save();
   this.ctxtObj.beginPath();
    this.ctxtObj.fillStyle = "#bd01bd";
   this.ctxtObj.strokeStyle="#bd01bd";
   this.ctxtObj.lineWidth = 6;
   this.ctxtObj.arc(this.centerPoint.x,this.centerPoint.y,ceLen,ci*gap-gap*0.5,ci*gap+gap*0.5,false);
   this.ctxtObj.stroke();
   this.ctxtObj.closePath();
   this.ctxtObj.translate(this.centerPoint.x, this.centerPoint.y);
    this.ctxtObj.rotate(i*gap);
   this.ctxtObj.font = "20px bold 微软雅黑";
   this.ctxtObj.textAlign="start";
   this.ctxtObj.textBaseline="middle";
   this.ctxtObj.lineWidth = 2;
   this.ctxtObj.fillText(value + '日',eLen*1.03,0);
   this.ctxtObj.strokeText(value + '日',eLen*1.03,0);
   this.ctxtObj.restore();
  }
  this.ctxtObj.restore();
 }
 animate = function(){
  var now = (+new Date);
  if (now - this.lastFpsUpdateTime > 60) {
   this.lastFpsUpdateTime = now;
   this.doDraw();
  }
  window.requestNextAnimationFrame(this.animate);
 }
 getCountDays = function (year,month) {
  var curDate = new Date();
  curDate.setFullYear(year);
  curDate.setMonth(month+1);
  curDate.setDate(0);
  return curDate.getDate();
 }
 getTimeNow = function(){
  var date = new Date();
  var seperator1 = "-";
  var seperator2 = ":";
  this.timeNow = date.getFullYear() 
    + seperator1 + (date.getMonth()+1+'').PadLeft(2,0)
    + seperator1 + (date.getDate()+'').PadLeft(2,0)
   + " " + (date.getHours()+'').PadLeft(2,0)
    + seperator2 + (date.getMinutes()+'').PadLeft(2,0)
   + seperator2 + (date.getSeconds()+'').PadLeft(2,0)
    + '.' +(date.getMilliseconds()+'').PadLeft(3,0);
 }
 // objects
}
var cwt = new calendarWithTime();
//=================================================
String.prototype.PadLeft = function(totalWidth, paddingChar)
{
 if ( paddingChar != null )
 {
 return this.PadHelper(totalWidth, paddingChar, false);
 } else {
 return this.PadHelper(totalWidth, ' ', false);
 }
}
String.prototype.PadRight = function(totalWidth, paddingChar)
{
 if ( paddingChar != null )
 {
 return this.PadHelper(totalWidth, paddingChar, true);
 } else {
 return this.PadHelper(totalWidth, ' ', true);
 }
}
String.prototype.PadHelper = function(totalWidth, paddingChar, isRightPadded)
{
 if ( this.length < totalWidth)
 {
 var paddingString = new String();
 for (i = 1; i <= (totalWidth - this.length); i++)
 {
 paddingString += paddingChar;
 }
 if ( isRightPadded )
 {
 return (this + paddingString);
 } else {
 return (paddingString + this);
 }
 } else {
 return this;
 }
}

以上就是本文的全部内容,希望本文的内容对大家的学习或者工作能带来一定的帮助,同时也希望多多支持三水点靠木!

Javascript 相关文章推荐
网页设计常用的一些技巧
Dec 22 Javascript
Aptana调试javascript图解教程
Nov 30 Javascript
js 连接数据库如何操作数据库中的数据
Nov 23 Javascript
node.js中的fs.rmdirSync方法使用说明
Dec 16 Javascript
JavaScript设计模式之建造者模式介绍
Dec 28 Javascript
JavaScript中操作字符串之localeCompare()方法的使用
Jun 06 Javascript
Bootstrap实现弹性搜索框
Jul 11 Javascript
jquery实现网页定位导航
Aug 23 Javascript
微信小程序实现轮播图效果
Sep 07 Javascript
JavaScript实现的反序列化json字符串操作示例
Jul 18 Javascript
浅谈webpack devtool里的7种SourceMap模式
Jan 14 Javascript
Vue全局使用less样式,组件使用全局样式文件中定义的变量操作
Oct 21 Javascript
ES6概念 Symbol toString()方法
Dec 25 #Javascript
ES6概念 Symbol.keyFor()方法
Dec 25 #Javascript
ES6概念 ymbol.for()方法
Dec 25 #Javascript
ES2015 Symbol 一种绝不重复的值
Dec 25 #Javascript
基于Javascript实现的不重复ID的生成器
Dec 25 #Javascript
JS常见疑难点分析之match,charAt,charCodeAt,map,search用法分析
Dec 25 #Javascript
js实现hashtable的赋值、取值、遍历操作实例详解
Dec 25 #Javascript
You might like
php录入页面中动态从数据库中提取数据的实现
2006/10/09 PHP
php中is_null,empty,isset,unset 的区别详细介绍
2013/04/28 PHP
Window 7/XP 安装Apache 2.4与PHP 5.4 的过程详解
2013/06/02 PHP
php 模拟 asp.net webFrom 按钮提交事件实例
2014/10/13 PHP
使用PHP接受文件并获得其后缀名的方法
2015/08/05 PHP
PHP实现随机生成水印图片功能
2017/03/22 PHP
PHP实现简单计算器小程序
2020/08/28 PHP
打开超链需要“确认”对话框的方法
2007/03/08 Javascript
js禁止document element对象选中文本实现代码
2013/03/21 Javascript
2014年最火的Node.JS后端框架推荐
2014/10/27 Javascript
Jquery实现仿腾讯娱乐频道焦点图(幻灯片)特效
2015/03/06 Javascript
JavaScript 匿名函数和闭包介绍
2015/04/13 Javascript
Node.js的项目构建工具Grunt的安装与配置教程
2016/05/12 Javascript
利用python分析access日志的方法
2016/10/26 Javascript
vue-cli之router基本使用方法详解
2017/10/17 Javascript
如何编写一个完整的Angular4 FormText 组件
2017/11/18 Javascript
React 组件转 Vue 组件的命令写法
2018/02/28 Javascript
vue-router命名路由和编程式路由传参讲解
2019/01/19 Javascript
微信小程序websocket聊天室的实现示例代码
2019/02/12 Javascript
基于ssm框架实现layui分页效果
2019/07/27 Javascript
python赋值操作方法分享
2013/03/23 Python
python实现进程间通信简单实例
2014/07/23 Python
Python中第三方库Requests库的高级用法详解
2017/03/12 Python
Python 类的继承实例详解
2017/03/25 Python
python+opencv识别图片中的圆形
2020/03/25 Python
python数据批量写入ScrolledText的优化方法
2018/10/11 Python
在python中使用with打开多个文件的方法
2019/01/07 Python
Django models.py应用实现过程详解
2019/07/29 Python
HTML5的新特性(1)
2016/03/03 HTML / CSS
Mio Skincare中文官网:肌肤和身体护理
2016/10/26 全球购物
英国手机零售商:Metrofone
2019/03/18 全球购物
int *p=NULL和*p= NULL有什么区别
2014/10/23 面试题
新闻学专业求职信
2014/07/28 职场文书
2014年前台文员工作总结
2014/12/08 职场文书
导游词范文之颐和园/重庆/云台山
2019/09/10 职场文书
排查MySQL生产环境索引没有效果
2022/04/11 MySQL