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148 lines
2.6 KiB
148 lines
2.6 KiB
<PUBLIC:PROPERTY NAME="mask" value="yyyy-mm-dd"/>
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<public:attach event="onblur" onevent="itemOnBlur()" />
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<public:method name="validate">
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<script language="javascript">
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function validate() {
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if (element.value.length == 0) return true;
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if (!dateValidation(element,mask)) {
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element.focus();
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element.value="";
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}
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}
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function itemOnBlur(){
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validate();
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}
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//1#辅助函数（闰年判定）
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function isLeapYear(year)
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{
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if((year%4==0&&year%100!=0)||(year%400==0))
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{
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return true;
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}
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return false;
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}
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//2#判定主函数
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function dateValidation(dateObj,format)
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{
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var regexp,value,index;
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var year,month,day;
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var iyear,imonth,iday;
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var fmt,regfmt,ordfmt;
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var dateArray;
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/*
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if(isObject(dateObj))
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{
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value=dateObj.value;
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}
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else if(isString(dateobj)&&!isEmpty(dateobj))
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{
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value=dateobj;
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}
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else
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{
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return false;
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}
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if(isEmpty(format))
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{
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return false;
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}
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*/
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var value = dateObj.value;
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if (value.length==0) {
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return false;
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}
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fmt=new Array("yyyy/mm/dd","mm/dd/yyyy","dd/mm/yyyy","yyyy-mm-dd");
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regfmt=new Array("/^([0-9]{4})\\/([0-9]{2})\\/([0-9]{2})$/","/^([0-9]{2})\\/([0-9]{2})\\/([0-9]{4})$/","/^([0-9]{2})\\/([0-9]{2})\\/([0-9]{4})$/","/^([0-9]{4})-([0-9]{2})-([0-9]{2})$/");
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ordfmt=new Array("123","312","321","123");
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format=format.toLowerCase();
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for(index=0;index<fmt.length;index++)
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{
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if(format==fmt[index])
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{
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eval('regexp='+regfmt[index]+';');
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iyear=parseInt(ordfmt[index].charAt(0));
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imonth=parseInt(ordfmt[index].charAt(1));
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iday=parseInt(ordfmt[index].charAt(2));
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break;
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}
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}
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if(index==fmt.length)
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{
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alert("不支持该日期格式: "+mask);
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return false;
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}
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if(regexp.test(value)){
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dateArray=value.match(regexp);
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year=dateArray[iyear];
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month=dateArray[imonth];
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day=dateArray[iday];
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//alert("你输入的日期是: \nYear:"+year+"\nMonth:"+month+"\nDay:"+day);
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if(year<1900)
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{
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alert("年份必须大于1900!");
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return false;
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}
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if(month<1||month>12)
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{
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alert("月份的范围是1到12!");
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return false;
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}
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if(day<1||day>31)
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{
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alert("日期的范围是1到31!");
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return false;
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}
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else
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{
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if(month==2)
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{
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if(isLeapYear(year)&&day>29)
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{
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alert("二月份的日期范围是1到29!");
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return false;
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}
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if(!isLeapYear(year)&&day>28)
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{
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alert("二月份的日期范围是1到28!");
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return false;
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}
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}
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if((month==4||month==6||month==9||month==11)&&(day>30))
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{
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alert("这个月的日期范围是1到30!");
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return false;
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}
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}
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}
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else
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{
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alert("日期格式错误!\n正确的日期格式: "+format);
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return false;
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}
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return true;
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}
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</script> |