用Javascript做一个日历控件！能写备忘

用Javascript做一个日历控件！能写备忘

1document.write("");
2document.write("");
3function writeIframe(){
4 var strIframe = " 66 with(WebCalendar.iframe)
67 {
68 document.writeln(strIframe); document.close();
69 for(var i=0; i<39; i++)
70 {
71 WebCalendar.dayObj[i] = eval("meizzDay"+ i);
72 WebCalendar.dayObj[i].onmouseover = dayMouseOver;
73 WebCalendar.dayObj[i].onmouseout = dayMouseOut;
74 WebCalendar.dayObj[i].onclick = returnDate;
75 }
76 }
77}
78function WebCalendar() //初始化日历的设置
79{
80 this.regInfo = "WEB Calendar ver 3.0关闭的快捷键：[Esc]";
81 this.daysMonth = new Array(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);
82 this.day = new Array(39); //定义日历展示用的数组
83 this.dayObj = new Array(39); //定义日期展示控件数组
84 this.dateStyle = null; //保存格式化后日期数组
85 this.objExport = null; //日历回传的显示控件
86 this.eventSrc = null; //日历显示的触发控件
87 this.inputDate = null; //转化外的输入的日期(d/m/yyyy)
88 this.thisYear = new Date().getFullYear(); //定义年的变量的初始值
89 this.thisMonth = new Date().getMonth()+ 1; //定义月的变量的初始值
90 this.thisDay = new Date().getDate(); //定义日的变量的初始值
91 this.today = this.thisDay +"/"+ this.thisMonth +"/"+ this.thisYear; //今天(d/m/yyyy)
92 this.iframe = window.frames("meizzCalendarIframe"); //日历的 iframe 载体
93 this.calendar = getObjectById("meizzCalendarLayer"); //日历的层
94 this.dateReg = ""; //日历格式验证的正则式
95 this.yearFall = 50; //定义年下拉框的年差值
96 this.format = "yyyy-mm-dd"; //回传日期的格式
97 this.timeShow = false; //是否返回时间
98 this.drag = true; //是否允许拖动
99 this.darkColor = "#408080"; //控件的暗色
100 this.lightColor = "#FFFFFF"; //控件的亮色
101 this.btnBgColor = "#ededed"; //控件的按钮背景色
102 this.wordColor = "#000000"; //控件的文字颜色
103 this.wordDark = "#DCDCDC"; //控件的暗文字颜色
104 this.dayBgColor = "#F5F5FA"; //日期数字背景色
105 this.todayColor = "#ff3300"; //今天在日历上的标示背景色
106 this.DarkBorder = "#D4D0C8"; //日期显示的立体表达色
107} var WebCalendar = new WebCalendar();
108function calendar() //主调函数
109{
110 var e = window.event.srcElement;
111 writeIframe();
112 var o = WebCalendar.calendar.style; WebCalendar.eventSrc = e;
113 if (arguments.length == 0) WebCalendar.objExport = e;
114 else WebCalendar.objExport = eval(arguments[0]);
115 WebCalendar.iframe.tableWeek.style.cursor = WebCalendar.drag ? "move" : "default";
116 var t = e.offsetTop, h = e.clientHeight, l = e.offsetLeft, p = e.type;
117 while (e = e.offsetParent){t += e.offsetTop; l += e.offsetLeft;}
118 o.display = ""; WebCalendar.iframe.document.body.focus();
119 var cw = WebCalendar.calendar.clientWidth, ch = WebCalendar.calendar.clientHeight;
120 var dw = document.body.clientWidth, dl = document.body.scrollLeft, dt = document.body.scrollTop;
121
122 if (document.body.clientHeight + dt - t - h >= ch) o.top = (p=="image")? t + h : t + h + 6;
123 else o.top = (t - dt < ch) ? ((p=="image")? t + h : t + h + 6) : t - ch;
124 if (dw + dl - l >= cw) o.left = l; else o.left = (dw >= cw) ? dw - cw + dl : dl;
125 if (!WebCalendar.timeShow) WebCalendar.dateReg = /^(\d{1,4})(-|\/)(\d{1,2})\2(\d{1,2})$/;
126 else WebCalendar.dateReg = /^(\d{1,4})(-|\/)(\d{1,2})\2(\d{1,2}) (\d{1,2}):(\d{1,2}):(\d{1,2})$/;
127 try{
128 if (WebCalendar.objExport.value.trim() != ""){
129 WebCalendar.dateStyle = WebCalendar.objExport.value.trim().match(WebCalendar.dateReg);
130 if (WebCalendar.dateStyle == null)
131 {
132 WebCalendar.thisYear = new Date().getFullYear();
133 WebCalendar.thisMonth = new Date().getMonth()+ 1;
134 WebCalendar.thisDay = new Date().getDate();
135 alert("原文本框里的日期有错误！\n可能与你定义的显示时分秒有冲突！");
136 writeCalendar(); return false;
137 }
138 else
139 {
140 WebCalendar.thisYear = parseInt(WebCalendar.dateStyle[1], 10);
141 WebCalendar.thisMonth = parseInt(WebCalendar.dateStyle[3], 10);
142 WebCalendar.thisDay = parseInt(WebCalendar.dateStyle[4], 10);
143 WebCalendar.inputDate = parseInt(WebCalendar.thisDay, 10) +"/"+ parseInt(WebCalendar.thisMonth, 10) +"/"+
144 parseInt(WebCalendar.thisYear, 10); writeCalendar();
145 }
146 } else writeCalendar();
147 } catch(e){writeCalendar();}
148}
149function funMonthSelect() //月份的下拉框
150{
151 var m = isNaN(parseInt(WebCalendar.thisMonth, 10)) ? new Date().getMonth() + 1 : parseInt(WebCalendar.thisMonth);
152 var e = WebCalendar.iframe.document.forms[0].tmpMonthSelect;
153 for (var i=1; i<13; i++) e.options.add(new Option(i +"月", i));
154 e.style.display = ""; e.value = m; e.focus(); window.status = e.style.top;
155}
156function funYearSelect() //年份的下拉框
157{
158 var n = WebCalendar.yearFall;
159 var e = WebCalendar.iframe.document.forms[0].tmpYearSelect;
160 var y = isNaN(parseInt(WebCalendar.thisYear, 10)) ? new Date().getFullYear() : parseInt(WebCalendar.thisYear);
161 y = (y <= 1000)? 1000 : ((y >= 9999)? 9999 : y);
162 var min = (y - n >= 1000) ? y - n : 1000;
163 var max = (y + n <= 9999) ? y + n : 9999;
164 min = (max == 9999) ? max-n*2 : min;
165 max = (min == 1000) ? min+n*2 : max;
166 for (var i=min; i<=max; i++) e.options.add(new Option(i +"年", i));
167 e.style.display = ""; e.value = y; e.focus();
168}
169function prevM() //往前翻月份
170{
171 WebCalendar.thisDay = 1;
172 if (WebCalendar.thisMonth==1)
173 {
174 WebCalendar.thisYear--;
175 WebCalendar.thisMonth=13;
176 }
177 WebCalendar.thisMonth--; writeCalendar();
178}
179function nextM() //往后翻月份
180{
181 WebCalendar.thisDay = 1;
182 if (WebCalendar.thisMonth==12)
183 {
184 WebCalendar.thisYear++;
185 WebCalendar.thisMonth=0;
186 }
187 WebCalendar.thisMonth++; writeCalendar();
188}
189function prevY(){WebCalendar.thisDay = 1; WebCalendar.thisYear--; writeCalendar();}//往前翻 Year
190function nextY(){WebCalendar.thisDay = 1; WebCalendar.thisYear++; writeCalendar();}//往后翻 Year
191function hiddenSelect(e){for(var i=e.options.length; i>-1; i--)e.options.remove(i); e.style.display="none";}
192function getObjectById(id){ if(document.all) return(eval("document.all."+ id)); return(eval(id)); }
193function hiddenCalendar(){getObjectById("meizzCalendarLayer").style.display = "none";};
194function appendZero(n){return(("00"+ n).substr(("00"+ n).length-2));}//日期自动补零程序
195function String.prototype.trim(){return this.replace(/(^\s*)|(\s*$)/g,"");}
196function dayMouseOver()
197{
198 this.className = "over";
199 this.style.backgroundColor = WebCalendar.darkColor;
200 if(WebCalendar.day[this.id.substr(8)].split("/")[1] == WebCalendar.thisMonth)
201 this.style.color = WebCalendar.lightColor;
202}
203function dayMouseOut()
204{
205 this.className = "out"; var d = WebCalendar.day[this.id.substr(8)], a = d.split("/");
206 this.style.removeAttribute('backgroundColor');
207 if(a[1] == WebCalendar.thisMonth && d != WebCalendar.today)
208 {
209 if(WebCalendar.dateStyle && a[0] == parseInt(WebCalendar.dateStyle[4], 10))
210 this.style.color = WebCalendar.lightColor;
211 else
212 this.style.color = WebCalendar.wordColor;
213 }
214}
215function writeCalendar() //对日历显示的数据的处理程序
216{
217 var y = WebCalendar.thisYear;
218 var m = WebCalendar.thisMonth;
219 var d = WebCalendar.thisDay;
220 WebCalendar.daysMonth[1] = (0==y%4 && (y%100!=0 || y%400==0)) ? 29 : 28;
221 if (!(y<=9999 && y >= 1000 && parseInt(m, 10)>0 && parseInt(m, 10)<13 && parseInt(d, 10)>0)){
222 alert("对不起，你输入了错误的日期！");
223 WebCalendar.thisYear = new Date().getFullYear();
224 WebCalendar.thisMonth = new Date().getMonth()+ 1;
225 WebCalendar.thisDay = new Date().getDate(); }
226 y = WebCalendar.thisYear;
227 m = WebCalendar.thisMonth;
228 d = WebCalendar.thisDay;
229 WebCalendar.iframe.meizzYearHead.innerText = y +" 年";
230 WebCalendar.iframe.meizzYearMonth.innerText = parseInt(m, 10) +" 月";
231 WebCalendar.daysMonth[1] = (0==y%4 && (y%100!=0 || y%400==0)) ? 29 : 28; //闰年二月为29天
232 var w = new Date(y, m-1, 1).getDay();
233 var prevDays = m==1 ? WebCalendar.daysMonth[11] : WebCalendar.daysMonth[m-2];
234 for(var i=(w-1); i>=0; i--) //这三个 for 循环为日历赋数据源（数组 WebCalendar.day）格式是 d/m/yyyy
235 {
236 WebCalendar.day[i] = prevDays +"/"+ (parseInt(m, 10)-1) +"/"+ y;
237 if(m==1) WebCalendar.day[i] = prevDays +"/"+ 12 +"/"+ (parseInt(y, 10)-1);
238 prevDays--;
239 }
240 for(var i=1; i<=WebCalendar.daysMonth[m-1]; i++) WebCalendar.day[i+w-1] = i +"/"+ m +"/"+ y;
241 for(var i=1; i<39-w-WebCalendar.daysMonth[m-1]+1; i++)
242 {
243 WebCalendar.day[WebCalendar.daysMonth[m-1]+w-1+i] = i +"/"+ (parseInt(m, 10)+1) +"/"+ y;
244 if(m==12) WebCalendar.day[WebCalendar.daysMonth[m-1]+w-1+i] = i +"/"+ 1 +"/"+ (parseInt(y, 10)+1);
245 }
246 for(var i=0; i<39; i++) //这个循环是根据源数组写到日历里显示
247 {
248 var a = WebCalendar.day[i].split("/");
249 WebCalendar.dayObj[i].innerText = a[0];
250 WebCalendar.dayObj[i].title = a[2] +"-"+ appendZero(a[1]) +"-"+ appendZero(a[0]);
251 WebCalendar.dayObj[i].bgColor = WebCalendar.dayBgColor;
252 WebCalendar.dayObj[i].style.color = WebCalendar.wordColor;
253 if ((i<10 && parseInt(WebCalendar.day[i], 10)>20) || (i>27 && parseInt(WebCalendar.day[i], 10)<12))
254 WebCalendar.dayObj[i].style.color = WebCalendar.wordDark;
255 if (WebCalendar.inputDate==WebCalendar.day[i]) //设置输入框里的日期在日历上的颜色
256 {WebCalendar.dayObj[i].bgColor = WebCalendar.darkColor; WebCalendar.dayObj[i].style.color = WebCalendar.lightColor;}
257 if (WebCalendar.day[i] == WebCalendar.today) //设置今天在日历上反应出来的颜色
258 {WebCalendar.dayObj[i].bgColor = WebCalendar.todayColor; WebCalendar.dayObj[i].style.color = WebCalendar.lightColor;}
259 }
260}
261function returnDate() //根据日期格式等返回用户选定的日期
262{
263 if(WebCalendar.objExport)
264 {
265 var returnValue;
266 var a = (arguments.length==0) ? WebCalendar.day[this.id.substr(8)].split("/") : arguments[0].split("/");
267 var d = WebCalendar.format.match(/^(\w{4})(-|\/)(\w{1,2})\2(\w{1,2})$/);
268 if(d==null){alert("你设定的日期输出格式不对！\r\n\r\n请重新定义 WebCalendar.format ！"); return false;}
269 var flag = d[3].length==2 || d[4].length==2; //判断返回的日期格式是否要补零
270 returnValue = flag ? a[2] +d[2]+ appendZero(a[1]) +d[2]+ appendZero(a[0]) : a[2] +d[2]+ a[1] +d[2]+ a[0];
271 if(WebCalendar.timeShow)
272 {
273 var h = new Date().getHours(), m = new Date().getMinutes(), s = new Date().getSeconds();
274 returnValue += flag ? " "+ appendZero(h) +":"+ appendZero(m) +":"+ appendZero(s) : " "+ h +":"+ m +":"+ s;
275 }
276 WebCalendar.objExport.value = returnValue;
277 hiddenCalendar();
278 }
279}
280function document.onclick()
281{
282 if(WebCalendar.eventSrc != window.event.srcElement) hiddenCalendar();
283}
284
285
286
289function makeDate(Obj)
290{
291 var y=eval("document.all."+Obj+"YearInput").value;
292 var m=eval("document.all."+Obj+"MonthInput").value;
293 var d=eval("document.all."+Obj+"DayInput").value;
294 //使用 datetime 数据类型存储从 1753 年 1 月 1 日至 9999 年 12 月 31 日的日期
295 if(isDate(y,m,d) && y>=1753)
296 {
297 eval("document.all."+Obj).value=y+"-"+m+"-"+d;
298 }
299 else
300 {

这只是一部分 一次没法回答完

去http://dojotoolkit.org。按照例子嵌入一个标签就搞定了。没必要自己写。