JavaScript日历实现代码_Javascript教程-查字典教程网
JavaScript日历实现代码
JavaScript日历实现代码
发布时间:2016-12-30 来源:查字典编辑
摘要:效果如下:javascript代码如下:复制代码代码如下:varCalendar=function(){varself=this;self....

效果如下:

javascript 代码如下:

复制代码 代码如下:

var Calendar = function(){

var self = this;

self.box = document.createElement("div");

self.head = document.createElement("div");

self.datePlace;

self.body = document.createElement("div");

self.selectDay;

self.foot = document.createElement("div");

self.timePlace;

self.dateInfo = {

"now" : new Date(),

"getDate" : function(d){

d = d || self.dateInfo["now"];

return d.getFullYear() + "-" + (d.getMonth()+1) + "-" + d.getDate();

},

"getTime" : function(d){

d = d || self.dateInfo["now"];

return d.getHours() + ":" + d.getMinutes() + ":" + d.getSeconds();

},

"getSelectTime" : function(d){

d = d || self.dateInfo["now"];

return d.getFullYear() + "-" + (d.getMonth()+1) + "-" + self.dateInfo.selectDay +

" " + d.getHours() + ":" + d.getMinutes() + ":" + d.getSeconds();

},

"getDaysCount" : function(d){

d = d || self.dateInfo["now"];

return (new Date(d.getFullYear(),d.getMonth()+1,0)).getDate();

},

"weekOfFirstDay" : function(d){

d = d || self.dateInfo["now"];

return (new Date(d.getFullYear(),d.getMonth(),1)).getDay();

}

};

self.dateInfo.selectDay = self.dateInfo["now"].getDate();

this.init();

};

Calendar.prototype = {

init : function(){

this.initDom();

},

initDom : function(){

var self = this;

//head

var o = {"preYear":"<<","preMonth":"<","date":self.dateInfo["getDate"](),"nextMonth":">","nextYear":">>"};

for(var i in o){

var __ = o[i], tag = document.createElement("span");

tag.innerHTML = __.toString();

i!="date" && (tag.onclick = (function(fn){

return function(){fn.call(self);}

})(self[i])

);

i=="date" && (tag.className = "dateShow",self.datePlace = tag);

self.head.appendChild(tag);

}

self.head.className = "cal-head";

//body

self.buildBody();

self.body.className = "cal-body";

//foot

self.timePlace = document.createElement("span");

var dInfo = self.dateInfo;

var Valid = function(num,max){

num = /^d+$/.test(num) ? num : -1;

if(num<0 || num>max){

return false;

}

return true;

};

var times = {"hour":["getHours","setHours"],"minutes":["getMinutes","setMinutes"],"seconds":["getSeconds","setSeconds"]};

for(var i in times){

var t = document.createElement("span");

var tInput = document.createElement("input");

t.innerHTML = tInput.value = dInfo["now"][times[i][0]]();

tInput.style.display = "none";

t.onclick = (function(tIpt){

return function(){

this.style.display = "none";

tIpt.style.display = "inline-block";

tIpt.select();

}

})(tInput);

tInput.onblur = (function(t,setFn){

return function(){

this.style.display = "none";

if(Valid(this.value,(setFn=="setHours"?23:59))){

t.innerHTML = this.value;

dInfo["now"][setFn](parseInt(this.value));

}

t.style.display = "inline-block";

}

})(t,times[i][1]);

self.timePlace.appendChild(t);

self.timePlace.appendChild(tInput);

if(i!="seconds"){

var sp = document.createElement("span");

sp.innerHTML = ":";

self.timePlace.appendChild(sp);

}

}

self.timePlace.className = "timeShow";

var okBtn = document.createElement("span");

okBtn.innerHTML = "Ok";

okBtn.className = "okBtn";

okBtn.onclick = function(){

alert(dInfo["getSelectTime"]());

};

self.foot.appendChild(self.timePlace);

self.foot.appendChild(okBtn);

self.foot.className = "cal-foot";

//relation

this.box.appendChild(self.head);

this.box.appendChild(self.body);

this.box.appendChild(self.foot);

this.box.className = "cal-box";

document.body.appendChild(this.box);

},

buildBody : function(){

var self = this,dInfo = self.dateInfo, week = dInfo["weekOfFirstDay"](),days = dInfo["getDaysCount"](),day = dInfo["now"].getDate();

var cDay = function(inner,ev){

var tag = document.createElement("span");

tag.innerHTML = inner;

ev && (tag.onclick = function(){

self.selectDay.className = self.selectDay.className.replace(" selectDay","");

self.selectDay = this;

self.selectDay.className = self.selectDay.className + " selectDay";

self.dateInfo.selectDay = inner;

});

return tag;

};

var domPgm = document.createDocumentFragment();

//weedInfo

var weeks = ["天","一","二","三","四","五","六"];

for(var i=0;i<weeks.length;i++){

domPgm.appendChild(cDay(weeks[i]));

}

//上个月的补白

for(var i=0;i<week;i++){

domPgm.appendChild(cDay(""));

}

//本月信息

parseInt(self.dateInfo.selectDay) > days && (self.dateInfo.selectDay = days);

for(var i=1;i<=days;i++){

var tag = cDay(i,true);

self.dateInfo.selectDay == i && (self.selectDay = tag,tag.className=" selectDay");

i===day && (tag.className=tag.className+" nowDay");

domPgm.appendChild(tag);

}

//下个月的补白....

self.body.innerHTML = "";

self.body.appendChild(domPgm);

},

dateShow : function(){

this.datePlace.innerHTML = this.dateInfo["getDate"]();

},

updateUI : function(){

this.dateShow();

this.buildBody();

},

preYear : function(){

this.dateInfo["now"].setYear(this.dateInfo["now"].getFullYear()-1);

this.updateUI();

},

preMonth : function(){

var dInfo = this.dateInfo,m = dInfo["now"].getMonth();

--m;

m<0 && (m = 11,dInfo["now"].setYear(this.dateInfo["now"].getFullYear()-1));

dInfo["now"].setMonth(m);

this.updateUI();

},

nextMonth :function(){

var dInfo = this.dateInfo,m = dInfo["now"].getMonth();

++m;

m>11 && (m = 0,dInfo["now"].setYear(this.dateInfo["now"].getFullYear()+1));

dInfo["now"].setMonth(m);

this.updateUI();

},

nextYear : function(){

this.dateInfo["now"].setYear(this.dateInfo["now"].getFullYear()+1);

this.updateUI();

}

};

css代码:

复制代码 代码如下:

.cal-box{

width:210px;

font-family:"Courier New", Courier, monospace;

font-size:14px;

}

.cal-box span{

display:inline-block;

text-align:center;

}

.cal-head{

background-color:#FC3;

}

.cal-head span{

width:20px;

font-weight:bold;

color:#69C;

text-decoration:underline;

cursor:pointer;

}

.cal-head .dateShow{

width:130px;

text-decoration:none;

}

.cal-foot{

background-color:#FC3;

}

.cal-foot .timeShow{

width:160px;

text-align:left;

}

.cal-foot .timeShow input{

width:24px;

height:12px;

font-size:12px;

}

.cal-foot .okBtn{

width:50px;

background-color:#CCC;

cursor:pointer;

}

.cal-body{

background-color:#9CF;

}

.cal-body span{

display:inline-block;

width:30px;

text-align:center;

cursor:pointer;

}

.cal-body .nowDay{

background-color:#F00;

}

.cal-body .selectDay{

text-decoration:underline;

}

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