excel频率分布函数 汇总：不错的使用频率较高的JS函数

汇总：不错的使用频率较高的JS函数  

　　把下面的这个做成一个js文件 然后就可以在任何页面调用了 /*================Method=======================* var_to_obj 将一个变量转换为对象* is_greater 判断是否大于某个数* is_less 判断是否小于某个数* Compare_Date 比较两个日期的大小 Num >Num return:true;Num <=Num return:false* is_numeric 判断是否是数字* is_price 判断是否是价格格式 带两位小数* Is_Null 判断是否是空true:空false:非空* IsSpace 判断是否空格* IsSpace 判断是否空格* Is_Int( 判断是否是整数true:是整数 false:不是整数* is_date 判断是否是日期* is_date 判断是否是日期* IsSelected 判断是否有有效数据被选中* isCharacter 检查是否是字符* isOtherNameCharacter 检查是否是其它可以作名称的字符* isNameCharacter 检查是否是可以作名称的字符* isEmail 检查是否是Email* isZIP 检查是否是邮编* isDigitalString 检查是否是数字字符串* IsEmpty IsEmpty函数判断一个字符串是否为空* Trim Trim函数去掉一字符串两边的空格* isDigital IsDigital函数判断一个字符串是否由数字(int or long)组成 * IsFloat IsFloat函数判断一个字符串是否由数字(int or long or float)组成 * IsTelephone 判断一个字符串是否由数字或 * () 组成 * dateTransfer 日期格式转化 / / * transferDate 转化日期 > / / * ispassword 检查是否是密码* isLeapYear 判断是否为润年的函数* getDaysInMonth 取得每月天数的函数* jtrimstr 去掉字符串所有空格*=============================================*/

　　function doInputConnotEmpty(txtInput minLength sAlert){txtInput value=Trim(txtInput value);var m_IsValid=true;if(IsEmpty(txtInput value)) m_IsValid=false;if(minLength> ){if(txtInput value length<minLength) m_IsValid=false;}if(!m_IsValid){if(sAlert!= ) window alert(sAlert);txtInput focus();}return m_IsValid;}

　　// 将一个变量转换为对象function var_to_obj(val){this value=val;}// 判断是否大于某个数function is_greater(field crit limit){var Ret = (is_numeric(field ) ) ? (field value > limit ) : false;if (!Ret)doCritCode(field crit Value must be greater than +limit);return(Ret);}// 判断是否小于某个数function is_less(field crit limit){var Ret = (is_numeric(field ) ) ? (field value < limit ) : false;if (!Ret)doCritCode(field crit Value must be less than +limit);return(Ret);}

　　function is_numeric(field crit msg){var Ret = true;var NumStr= ;var decUsed=false;var chr;for (i= ;i<field value length;++i){chr=field value charAt(i);if (NumStr indexOf(chr )== ){if ( (!decUsed) && chr== ){decUsed=true;}else{Ret=false;}}}if (!Ret)doCritCode(field crit msg);return(Ret);} // 判断是否是价格function is_price(field crit msg){var Ret = true;var NumStr= ;var decUsed=false;var chr;for (i= ;i<field value length;++i){chr=field value charAt(i);if (NumStr indexOf(chr )== ){if ( (!decUsed) && chr== ){decUsed=true;}else{Ret=false;}}}if(Ret){if(decUsed&&(field value length field value indexOf( )< ));else if(decUsed)Ret=false;}if (!Ret)doCritCode(field crit msg);return(Ret);}

　　// 判断是否是空function is_null(field crit msg){var Text= + Trim(field value);if(Text length){ for(var i= ;i<Text length;i++)if(Text charAt(i)!= &&Text charAt(i)!= 　 )break;if(i>=Text length){Ret=true;}else{Ret=false;}}elseRet=true;if (Ret)doCritCode(field crit msg); return(Ret);}function IsSpace(field){var Text= +field value;if(Text length){for(var i= ;i<Text length;i++)if(Text charAt(i)!= &&Text charAt(i)!= 　 )break;if(i>=Text length)field value= ;}}

　　function doCritCode(field crit msg){if ( ( !=crit) ){alert(msg)if (crit== ){field focus(); // focus does not work on certain netscape versionsfield select();}}}// 判断是否是整数function is_int(field crit msg){var Ret = true;var NumStr= ;var chr;if (field value length== ){Ret=false;}for (i= ;i<field value length;++i){chr=field value charAt(i);if (NumStr indexOf(chr )== ){Ret=false;}}if (!Ret)doCritCode(field crit msg);return(Ret);}// 判断是否是日期function is_date(field crit msg){var Ret = false;var mark ;var mark ;var days;var y;var m;var d;if(field value== )return true;cd=new Date();

　　if ( (mark = field value indexOf( ))== )mark =field value indexOf( )if (mark > ){if ( (mark = field value indexOf( mark + )) == )mark =field value indexOf( mark + );if ((mark > )&&(mark + <field value length) ){y = parseInt(field value substring( mark ) );m = parseInt(field value substring(mark + mark ) );d = parseInt(field value substring(mark + field value length) );

　　year = new var_to_obj(y);month = new var_to_obj(m);day = new var_to_obj(d);days = getDaysInMonth(month value year value) + ;

　　if ((is_greater(day ))&&(is_less(day days))&&(is_greater(month ))&&(is_less(month ))&&(is_greater(year ))&&(is_less(year )))Ret=true;}}if (!Ret) doCritCode(field crit msg);

　　return(Ret);}

　　function doCrit(field crit msg){if ( ( !=crit) ){alert(msg);if (crit== ){field focus(); // focus does not work on certain netscape versions}}}// 判断是否有有效数据被选中function isselected(field crit msg){value= +field options[field selectedIndex] value;if(value== )Ret=false;elseRet=true;if (!Ret)doCrit(field crit msg); return(Ret);}

　　// 检查是否是字符// cCharacter 输入值function isCharacter( cCharacter ){var sFormat = ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz ;

　　if( sFormat indexOf( cCharacter ) == ){return false;}

　　return true;}

　　//判断是否是数字和字母的组合function isChrandNum( cCharacter ){for(ilen= ;ilen<str length;ilen++){if(str charAt(ilen) < || str charAt(ilen) > ){if(str charAt(ilen) < a || str charAt(ilen) > z ){if(str charAt(ilen) < A || str charAt(ilen) > Z )return false;}} }return true;}

　　// 检查是否是其它可以作名称的字符// cCharacter 输入值function isOtherNameCharacter( cCharacter ){var sFormat = _ ;

　　if( sFormat indexOf( cCharacter ) == ){return false;}

　　return true;}function isOtherNameCharacter ( cCharacter ){var sFormat = ;

　　if( sFormat indexOf( cCharacter ) == ){return false;}

　　return true;}

　　function isOtherNameCharacter ( cCharacter ){var sFormat = ;

　　if( sFormat indexOf( cCharacter ) == ){return false;}

　　return true;}

　　// 检查是否是可以作名称的字符// sValue 输入值function isNameCharacter( sValue ){if( sValue == null ){return false;}

　　for( i = ; i < sValue length; i ++ ){var cCharacter = sValue charAt( i );if( isDigital( cCharacter ) == false && isCharacter( cCharacter ) == false && isOtherNameCharacter( cCharacter ) == false&& isOtherNameCharacter ( cCharacter ) == false&& isOtherNameCharacter ( cCharacter ) == false ){return false;}}

　　return true;}//检查是否是密码function ispassword( sValue ){if( sValue == null ){return false;}

　　for( i = ; i < sValue length; i ++ ){var cCharacter = sValue charAt( i );if( isDigital( cCharacter ) == false && isCharacter( cCharacter ) == false && isOtherNameCharacter( cCharacter ) == false){return false;}}

　　return true;}

　　// 检查是否是Email

// sValue 输入值 合法格式为a@b c d此类形式function isEmail( sValue ){var iFirstIndex = ;var iSecondIndex = sValue indexOf( @ );if( iSecondIndex == ){return false;}

　　var sTemp = sValue substring( iFirstIndex iSecondIndex );if( isNameCharacter( sTemp ) == false ){return false;}

　　iSecondIndex = sValue indexOf( );if( iSecondIndex == || sValue substring( sValue length sValue length ) == ){return false;}else if( sTemp length == sValue length ) // The last o characters are @ and {return false;}else{var sTempValue = sValue;iSecondIndex = sValue indexOf( @ );while( iSecondIndex != ){iFirstIndex = iSecondIndex + ;sTempValue = sTempValue substring( iFirstIndex sTempValue length ); // The right section of valueiSecondIndex = sTempValue indexOf( );//document write( sTempValue= + sTempValue + <br> );sTemp = sTempValue substring( iSecondIndex );//document write( sTemp= + sTemp + <br> );if( isNameCharacter( sTemp ) == false ){return false;}}

　　if( isNameCharacter( sTempValue ) == false ){return false;}}

　　return true;}

　　// 检查是否是邮编// sValue 输入值 合法格式为六位整数function isZIP( sValue ){if( sValue == null ){return false;}

　　if( sValue length != ){return false;}else{for( i = ; i < ; i ++ ){if( isDigital( sValue charAt( i ) ) == false ){return false;}}}

　　return true;}

　　// 检查是否是数字字符串// sValue 输入值function isDigitalString( sValue ){if( sValue == null ){return false;}

　　for( i = ; i < sValue length; i ++ ){if( isDigital( sValue charAt( i ) ) == false ){return false;}}}

　　//IsEmpty函数判断一个字符串是否为空function IsEmpty(his){flag = true;for(var i= ;i<his length;i++){if(his charAt(i)!= ){ flag = false; break;}}return flag;}//Trim函数去掉一字符串两边的空格function Trim(his){//找到字符串开始位置Pos_Start = ;for(var i= ;i<his length;i++){if(his charAt(i)!= ){Pos_Start = i;break; }}//找到字符串结束位置Pos_End = ;for(var i=his length ;i>= ;i ){if(his charAt(i)!= ){Pos_End = i; break; }}//返回的字符串Str_Return = if(Pos_Start!= && Pos_End!= ){ for(var i=Pos_Start;i<=Pos_End;i++){Str_Return = Str_Return + his charAt(i); }}return Str_Return;} //IsDigital函数判断一个字符串是否由数字(int or long)组成 function isDigital(str) {for(ilen= ;ilen<str length;ilen++){if(str charAt(ilen) < || str charAt(ilen) > ){return false;} }return true;}//IsFloat函数判断一个字符串是否由数字(int or long or float)组成 function IsFloat(str) {flag_Dec = for(ilen= ;ilen<str length;ilen++){if(str charAt(ilen) == ){flag_Dec++;if(flag_Dec > )return false;elsecontinue;} if(str charAt(ilen) < || str charAt(ilen) > ){return false;} }return true;}//IsTelephone函数判断一个字符串是否由数字或 * 组成 function IsTelephone(str) {for(ilen= ;ilen<str length;ilen++){if(str charAt(ilen) < || str charAt(ilen) > ){if((str charAt(ilen)!= )&&(str charAt(ilen)!= * ))return false;} }return true;}

　　//比较两个日期的大小 Num >Num return:true;Num <=Num return:falsefunction Compare_Date(Num Num ){var pos pos end;var para para para para para para ;

　　//para :年//para :月//para :日end=Num length;pos =Num indexOf( );pos =Num indexOf( pos + );para =Num substring( pos );para =Num substring(pos + pos );para =Num substring(pos + end);para =parseInt(para );para =parseInt(para );para =parseInt(para );end=Num length;pos =Num indexOf( );pos =Num indexOf( pos + );para =Num substring( pos );para =Num substring(pos + pos );para =Num substring(pos + end);para =parseInt(para );para =parseInt(para );para =parseInt(para );if(para >para ){return true;}else if(para ==para ){if(para >para ){return true;}else if(para ==para ){if(para >para ){return true;}}}return false;}

　　//去掉字符串所有空格function jtrimstr(str){var i= ;var j;var len=str length;trimstr= ;while(i<len){if(str charAt(i)!= ){trimstr=trimstr+str charAt(i);}i++;}return(trimstr);}//转化日期function transferDate(str){var m= ;var strlen=str lengthvar n=strlen ;while (n>=strlen ){if(str charAt(n)== ){break;}n=n }trimstr=str substring(m+ n)+ / + str substring(n+ strlen)+ / +str substring( m) return(trimstr)}

　　// 取得每月天数的函数//参数说明 month 月;year 年// 返回值 days 天数function getDaysInMonth(month year) {var days;if (month== || month== || month== || month== || month== || month== || month== ) days= ;else if (month== || month== || month== || month== ) days= ;else if (month== ) {if (isLeapYear(year)) { days= ; }else { days= ; }}return (days);}// 判断是否为润年的函数//参数说明 Year 年份// 返回值:如果是润年 返回true 否则返回false

　　function isLeapYear (Year) {if (((Year % )== ) && ((Year % )!= ) || ((Year % )== )) {return (true);} else { return (false); }}

　　function isCharnum(str) {for(ilen= ;ilen<str length;ilen++){if(str charAt(ilen) < || str charAt(ilen) > ){if((str charAt(ilen)!= x ))return false;} }return true;}

　　function isCharsf(str) {for(ilen= ;ilen<str length;ilen++){if(str charAt(ilen) < || str charAt(ilen) > ){if(str charAt(ilen) < a || str charAt(ilen) > z )return false;} }return true;}

　　//判断一个字符串是否是由数字和 组成

　　function ismonth(str) {for(ilen= ;ilen<str length;ilen++){if(str charAt(ilen) < || str charAt(ilen) > ){if((str charAt(ilen)!= ))return false;} }return true;}

lishixinzhi/Article/program/Java/Javascript/201311/25474