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function CheckObjDate(obj)
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{
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var word = jQuery.trim($(obj).val());
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var checkResult = CheckDate(word);
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switch(checkResult)
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{
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case 'ERRORNODATE':
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alert('日付を入力してください。');
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$(obj).focus();
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break;
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case 'ERRORDATEFORMAT':
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alert('入力した日付の形は間違うしました。確認してください。');
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$(obj).focus().select();
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break;
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default:
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$(obj).val(checkResult);
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return true;
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}
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}
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/**
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*
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* 機能: 日付検証
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* params:
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* 作成日: 2008/08/04
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* 作成者:
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* 最後更新日:
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* 更新履歴:
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*
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*/
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function CheckDate(checkDate)
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{
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var reg =/^(?:(?:(?:(?:(?:1[6-9]|[2-9]\d)?(?:0[48]|[2468][048]|[13579][26])|(?:(?:16|[2468][048]|[3579][26])00)))(\/|-)(?:0?2\1(?:29)))|(?:(?:(?:1[6-9]|[2-9]\d)?\d{2})(\/|-)(?:(?:(?:0?[13578]|1[02])\2(?:31))|(?:(?:0?[1,3-9]|1[0-2])\2(29|30))|(?:(?:0?[1-9])|(?:1[0-2]))\2(?:0?[1-9]|1\d|2[0-8]))))$/;
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var word = jQuery.trim(checkDate);//前、後空レターを削除
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if(word.length == 0)//入力しない場合
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{
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return 'ERRORNODATE';
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}
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var splitedWord = word.split("/");//年月日を分割する、対応レター"/"
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if(splitedWord.length > 3 || splitedWord.length < 2)
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{
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return 'ERRORDATEFORMAT';
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}
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else
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{
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for(var i = 0; i < splitedWord.length; i++)
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if(splitedWord[i].length == 0)
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return 'ERRORDATEFORMAT';
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}
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if(splitedWord.length == 2)
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{
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if(splitedWord[0].length < 1 || splitedWord[0].length > 2)
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return 'ERRORDATEFORMAT';
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else if(splitedWord[0].length == 1)
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{
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splitedWord[0] = "0" + splitedWord[0];
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}
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if(splitedWord[1].length < 1 || splitedWord[1].length > 2)
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return 'ERRORDATEFORMAT';
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else if(splitedWord[1].length == 1)
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{
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splitedWord[1] = "0" + splitedWord[1];
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}
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var now = new Date();
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word = now.getFullYear() + "/" + splitedWord[0] + "/" + splitedWord[1];
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}
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if(splitedWord.length == 3)
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{
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if(splitedWord[0].length < 1 || splitedWord[0].length > 4)
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return 'ERRORDATEFORMAT';
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else if(splitedWord[0].length == 1)
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{
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splitedWord[0] = "200" + splitedWord[0];
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}
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else if(splitedWord[0].length == 2)
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{
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splitedWord[0] = "20" + splitedWord[0];
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}
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if(splitedWord[1].length < 1 || splitedWord[1].length > 2)
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return 'ERRORDATEFORMAT';
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else if(splitedWord[1].length == 1)
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{
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splitedWord[1] = "0" + splitedWord[1];
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}
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if(splitedWord[2].length < 1 || splitedWord[2].length > 2)
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return 'ERRORDATEFORMAT';
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else if(splitedWord[2].length == 1)
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{
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splitedWord[2] = "0" + splitedWord[2];
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}
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word = splitedWord[0] + "/" + splitedWord[1] + "/" + splitedWord[2];
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}
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if(!(word.match(reg)))
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{
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return 'ERRORDATEFORMAT';
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}
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else
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{
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return word;
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}
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前台调用代码:<input type="text" onblur="CheckObjDate(this)" />
这里对应了自动加年模式,月日自动补零模式等。想到的地方都尽量对应了,也考虑了闰年的模式,闰年模式的正则表达式是在网上找到的,在此感谢。在此也请大家提一下意见!里面难免有不周到的地方,如果有问题,请大家一定不吝赐教!还有,中间有个别地方是Jquery语法,如果有问题也可以提出来!