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bee.js
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bee.js
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/**
* 字符串常用工具类
* Author:LinBilin
* Date:2017-12-23
*/
(function() {
var Bee = Bee || {};
//区域
Bee.areas = window.BEE_AREAS || {};
//PhoneUtils命名空间
Bee.PhoneUtils = {
phoneRegexs: {
//中国电信号码段
CHINA_TELECOM_PATTERN: /^(?:\+86)?1(?:33|53|7[37]|8[019])\d{8}$|^(?:\+86)?1700\d{7}$/,
//中国联通号码段
CHINA_UNICOM_PATTERN: /^(?:\+86)?1(?:3[0-2]|4[5]|5[56]|7[56]|8[56])\d{8}$|^(?:\+86)?170[7-9]\d{7}$/,
//中国移动号码段
CHINA_MOBILE_PATTERN: /^(?:\+86)?1(?:3[4-9]|4[7]|5[0-27-9]|7[8]|8[2-478])\d{8}$|^(?:\+86)?1705\d{7}$/,
//电话座机号码段
PHONE_CALL_PATTERN: /^(?:\(\d{3,4}\)|\d{3,4}-)?\d{7,8}(?:-\d{1,4})?$/,
//手机号码
PHONE_PATTERN: /^(?:\+86)?(?:13\d|14[57]|15[0-35-9]|17[35-8]|18\d)\d{8}$|^(?:\+86)?170[057-9]\d{7}$/,
//手机号简单校验,不根据运营商分类
PHONE_SIMPLE_PATTERN: /^(?:\+86)?1\d{10}$/
},
//电话号码
isPhoneCallNum: function(input) {
return this.phoneRegexs.PHONE_CALL_PATTERN.test(input);
},
//电信手机号码
isChinaTelecomPhoneNum: function(input) {
return this.phoneRegexs.CHINA_TELECOM_PATTERN.test(input);
},
//中国联通
isChinaUnicomPhoneNum: function(input) {
return this.phoneRegexs.CHINA_UNICOM_PATTERN.test(input);
},
//中国移动
isChinaMobilePhoneNum: function(input) {
return this.phoneRegexs.CHINA_MOBILE_PATTERN.test(input);
},
//手机号码
isPhoneNum: function(input) {
return this.phoneRegexs.PHONE_PATTERN.test(input);
},
//手机号码简单校验,只校验长度
isPhoneNumBySize: function(input) {
return this.phoneRegexs.PHONE_SIMPLE_PATTERN.test(input);
}
};
//EmailUtils命名空间
Bee.EmailUtils = {
emailRegexs: {
EMAIL_PATTERN: /^[-\w\+]+(?:\.[-\w]+)*@[-a-z0-9]+(?:\.[a-z0-9]+)*(?:\.[a-z]{2,})$/i
},
//邮箱格式校验
isEmail: function(input) {
return this.emailRegexs.EMAIL_PATTERN.test(input);
}
};
//StringUtils命名空间
Bee.StringUtils = {
isEmpty: function(input) {
return input == null || input == '';
},
isNotEmpty: function(input) {
return !this.isEmpty(input);
},
isBlank: function(input) {
return input == null || /^\s*$/.test(input);
},
isNotBlank: function(input) {
return !this.isBlank(input);
},
trim: function(input) {
return input.replace(/^\s+|\s+$/, '');
},
trimToEmpty: function(input) {
return input == null ? "" : this.trim(input);
},
startsWith: function(input, prefix) {
return input.indexOf(prefix) === 0;
},
endsWith: function(input, suffix) {
var regex = new RegExp(this.escapeMetacharacterOfStr(suffix) + "$");
return regex.test(input);
},
contains: function(input, searchSeq) {
return input.indexOf(searchSeq) >= 0;
},
equals: function(input1, input2) {
return input1 == input2;
},
equalsIgnoreCase: function(input1, input2) {
return input1.toLocaleLowerCase() == input2.toLocaleLowerCase();
},
containsWhitespace: function(input) {
return this.contains(input, ' ');
},
//生成指定个数的字符
repeat: function(ch, repeatTimes) {
var result = "";
for(var i = 0; i < repeatTimes; i++) {
result += ch;
}
return result;
},
deleteWhitespace: function(input) {
return input.replace(/\s+/g, '');
},
rightPad: function(input, size, padStr) {
return input + this.repeat(padStr, size);
},
leftPad: function(input, size, padStr) {
return this.repeat(padStr, size) + input;
},
//首小写字母转大写
capitalize: function(input) {
var strLen = 0;
if(input == null || (strLen = input.length) == 0) {
return input;
}
return input.replace(/^[a-z]/, function(matchStr) {
return matchStr.toLocaleUpperCase();
});
},
//首大写字母转小写
uncapitalize: function(input) {
var strLen = 0;
if(input == null || (strLen = input.length) == 0) {
return input;
}
return input.replace(/^[A-Z]/, function(matchStr) {
return matchStr.toLocaleLowerCase();
});
},
//大写转小写,小写转大写
swapCase: function(input) {
return input.replace(/[a-z]/ig, function(matchStr) {
if(matchStr >= 'A' && matchStr <= 'Z') {
return matchStr.toLocaleLowerCase();
} else if(matchStr >= 'a' && matchStr <= 'z') {
return matchStr.toLocaleUpperCase();
}
});
},
//统计含有的子字符串的个数
countMatches: function(input, sub) {
if(this.isEmpty(input) || this.isEmpty(sub)) {
return 0;
}
var count = 0;
var index = 0;
while((index = input.indexOf(sub, index)) != -1) {
index += sub.length;
count++;
}
return count;
},
//只包含字母
isAlpha: function(input) {
return /^[a-z]+$/i.test(input);
},
//只包含字母、空格
isAlphaSpace: function(input) {
return /^[a-z\s]*$/i.test(input);
},
//只包含字母、数字
isAlphanumeric: function(input) {
return /^[a-z0-9]+$/i.test(input);
},
//只包含字母、数字和空格
isAlphanumericSpace: function(input) {
return /^[a-z0-9\s]*$/i.test(input);
},
//数字
isNumeric: function(input) {
return /^(?:[1-9]\d*|0)(?:\.\d+)?$/.test(input);
},
//小数
isDecimal: function(input) {
return /^[-+]?(?:0|[1-9]\d*)\.\d+$/.test(input);
},
//负小数
isNegativeDecimal: function(input) {
return /^\-(?:0|[1-9]\d*)\.\d+$/.test(input);
},
//正小数
isPositiveDecimal: function(input) {
return /^\+?(?:0|[1-9]\d*)\.\d+$/.test(input);
},
//整数
isInteger: function(input) {
return /^[-+]?(?:0|[1-9]\d*)$/.test(input);
},
//正整数
isPositiveInteger: function(input) {
return /^\+?(?:0|[1-9]\d*)$/.test(input);
},
//负整数
isNegativeInteger: function(input) {
return /^\-(?:0|[1-9]\d*)$/.test(input);
},
//只包含数字和空格
isNumericSpace: function(input) {
return /^[\d\s]*$/.test(input);
},
isWhitespace: function(input) {
return /^\s*$/.test(input);
},
isAllLowerCase: function(input) {
return /^[a-z]+$/.test(input);
},
isAllUpperCase: function(input) {
return /^[A-Z]+$/.test(input);
},
defaultString: function(input, defaultStr) {
return input == null ? defaultStr : input;
},
defaultIfBlank: function(input, defaultStr) {
return this.isBlank(input) ? defaultStr : input;
},
defaultIfEmpty: function(input, defaultStr) {
return this.isEmpty(input) ? defaultStr : input;
},
//字符串反转
reverse: function(input) {
if(this.isBlank(input)) {
input;
}
return input.split("").reverse().join("");
},
//删掉特殊字符(英文状态下)
removeSpecialCharacter: function(input) {
return input.replace(/[!-/:-@\[-`{-~]/g, "");
},
//只包含特殊字符、数字和字母(不包括空格,若想包括空格,改为[ -~])
isSpecialCharacterAlphanumeric: function(input) {
return /^[!-~]+$/.test(input);
},
/**
* @param {String} message
* @param {Array} arr
* 消息格式化
*/
format: function(message, arr) {
return message.replace(/{(\d+)}/g, function(matchStr, group1) {
return arr[group1];
});
},
/**
* 把连续出现多次的字母字符串进行压缩。如输入:aaabbbbcccccd 输出:3a4b5cd
* @param {String} input
* @param {Boolean} ignoreCase : true or false
*/
compressRepeatedStr: function(input, ignoreCase) {
var pattern = new RegExp("([a-z])\\1+", ignoreCase ? "ig" : "g");
return result = input.replace(pattern, function(matchStr, group1) {
return matchStr.length + group1;
});
},
//中文校验
isChinese: function(input) {
return /^[\u4E00-\u9FA5]+$/.test(input);
},
//去掉中文字符
removeChinese: function(input) {
return input.replace(/[\u4E00-\u9FA5]+/gm, "");
},
//转义元字符
escapeMetacharacter: function(input) {
var metacharacter = "^$()*+.[]|\\-?{}";
if(metacharacter.indexOf(input) >= 0) {
input = "\\" + input;
}
return input;
},
//转义字符串中的元字符
escapeMetacharacterOfStr: function(input) {
return input.replace(/[-$^()*+.\[\]|\\?{}]/gm, "\\$&");
},
//中文转为unicode编码
chineseToUnicode: function(input) {
return input.replace(/[\u4E00-\u9FA5]/g, function(matchStr) {
return "\\u" + matchStr.charCodeAt(0).toString(16);
});
},
/**
* 自定义嵌套符号rule={'(':')','[':']','{':'}','<':'>'};
* @param {Object} rule
* @param {String} str
*/
isNest: function(rule, str) {
if(!(rule && str)) {
return false;
}
var keys = [];
var values = [];
for(var key in rule) {
if(rule.hasOwnProperty(key)) {
keys.push(key);
values.push(rule[key]);
}
}
var chs = str.split("");
var len = chs.length;
var stack = [];
for(var i = 0; i < len; i++) {
if(Bee.ArrayUtils.inArray(keys, chs[i])) {
stack.push(rule[chs[i]]);
} else {
if(chs[i] === stack[stack.length - 1]) {
stack.pop();
} else if(Bee.ArrayUtils.inArray(values, chs[i])) {
return false;
}
}
}
return stack.length === 0;
}
};
//ObjectUtils命名空间
Bee.ObjectUtils = {
};
//IdCardUtils命名空间
Bee.IdCardUtils = {
idCardRegex: {
//18位身份证简单校验
IDCARD_18_SIMPLE_PATTERN: /^(?:1[1-5]|2[1-3]|3[1-7]|4[1-6]|5[0-4]|6[1-5])\d{4}(?:1[89]|20)\d{2}(?:0[1-9]|1[0-2])(?:0[1-9]|[12]\d|3[01])\d{3}(?:\d|[xX])$/,
//15位身份证简单校验
IDCARD_15_SIMPLE_PATTERN: /^(?:1[1-5]|2[1-3]|3[1-7]|4[1-6]|5[0-4]|6[1-5])\d{4}\d{2}(?:0[1-9]|1[0-2])(?:0[1-9]|[12]\d|3[01])\d{3}$/
},
//18位身份证简单校验
isSimpleIdCard18: function(idCard) {
return this.idCardRegex.IDCARD_18_SIMPLE_PATTERN.test(idCard);
},
//15位身份证简单校验
isSimpleIdCard15: function(idCard) {
return this.idCardRegex.IDCARD_18_SIMPLE_PATTERN.test(idCard);
},
//18位身份证校验码校验
checkCode: function(idCard) {
var multiplier = [7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2];
var idDatas = idCard.split("");
var len = 17;
var sum = 0;
for(var i = 0; i < len; i++) {
sum += idDatas[i] * multiplier[i];
}
var remainder = sum % 11;
var checkCodeArr = ['1', '0', 'X', '9', '8', '7', '6', '5', '4', '3', '2'];
var checkCode = checkCodeArr[remainder];
return checkCode === idCard[17];
},
//18位身份证严格校验
isIdCard18: function(idCard) {
//先校验格式
if(this.isSimpleIdCard18(idCard)) {
//校验日期时间是否合法
var dateStr = idCard.substr(6, 8);
var dateStrNew = dateStr.replace(/(\d{4})(\d{2})(\d{2})/, "$1/$2/$3");
var dateObj = new Date(dateStrNew);
var month = dateObj.getMonth() + 1;
if(parseInt(dateStr.substr(4, 2)) === month) {
return this.checkCode(idCard);
}
}
return false;
},
//根据18身份证号码获取人员信息
getPersonInfo18: function(idCard) {
var age = 0;
var birthday = '';
var address = '';
var sex = '';
address = Bee.areas[idCard.substr(0, 2) + '0000'] + ' ' + Bee.areas[idCard.substr(0, 4) + '00'] + ' ' + Bee.areas[idCard.substr(0, 6)];
sex = (idCard.substr(16, 1) % 2 === 0) ? '女' : '男';
birthday = idCard.substr(6, 8).replace(/(\d{4})(\d{2})(\d{2})/, '$1年$2月$3日');
age = new Date().getFullYear() - idCard.substr(6, 4) + 1;
var person = {
'address': address,
'sex': sex,
'birthday': birthday,
'age': age
};
return person;
}
};
//ArrayUtils命名空间
Bee.ArrayUtils = {
//获取最大值
getMaxValue: function(arr) {
return Math.max.apply(Math, arr);
},
//获取最小值
getMinValue: function(arr) {
return Math.min.apply(Math, arr);
},
//判断某个值是否在数组
inArray: function(arr, ele) {
var len = arr.length;
for(var i = 0; i < len; i++) {
if(ele === arr[i]) {
return true;
}
}
return false;
}
};
//DateUtils命名空间
Bee.DateUtils = {
patterns: {
PATTERN_ERA: 'G', //Era 标志符 Era strings. For example: "AD" and "BC"
PATTERN_YEAR: 'y', //年
PATTERN_MONTH: 'M', //月份
PATTERN_DAY_OF_MONTH: 'd', //月份的天数
PATTERN_HOUR_OF_DAY1: 'k', //一天中的小时数(1-24)
PATTERN_HOUR_OF_DAY0: 'H', //24小时制,一天中的小时数(0-23)
PATTERN_MINUTE: 'm', //小时中的分钟数
PATTERN_SECOND: 's', //秒
PATTERN_MILLISECOND: 'S', //毫秒
PATTERN_DAY_OF_WEEK: 'E', //一周中对应的星期,如星期一,周一
PATTERN_DAY_OF_YEAR: 'D', //一年中的第几天
PATTERN_DAY_OF_WEEK_IN_MONTH: 'F', //一月中的第几个星期(会把这个月总共过的天数除以7,不够准确,推荐用W)
PATTERN_WEEK_OF_YEAR: 'w', //一年中的第几个星期
PATTERN_WEEK_OF_MONTH: 'W', //一月中的第几星期(会根据实际情况来算)
PATTERN_AM_PM: 'a', //上下午标识
PATTERN_HOUR1: 'h', //12小时制 ,am/pm 中的小时数(1-12)
PATTERN_HOUR0: 'K', //和h类型
PATTERN_ZONE_NAME: 'z', //时区名
PATTERN_ZONE_VALUE: 'Z', //时区值
PATTERN_WEEK_YEAR: 'Y', //和y类型
PATTERN_ISO_DAY_OF_WEEK: 'u',
PATTERN_ISO_ZONE: 'X'
},
week: {
'ch': {
"0": "\u65e5",
"1": "\u4e00",
"2": "\u4e8c",
"3": "\u4e09",
"4": "\u56db",
"5": "\u4e94",
"6": "\u516d"
},
'en': {
"0": "Sunday",
"1": "Monday",
"2": "Tuesday",
"3": "Wednesday",
"4": "Thursday",
"5": "Friday",
"6": "Saturday"
}
},
//获取当前时间
getCurrentTime: function() {
var today = new Date();
var year = today.getFullYear();
var month = today.getMonth() + 1;
var day = today.getDate();
var hours = today.getHours();
var minutes = today.getMinutes();
var seconds = today.getSeconds();
var timeString = year + "-" + month + "-" + day + " " + hours + ":" + minutes + ":" + seconds;
return timeString;
},
/*
* 比较时间大小
* time1>time2 return 1
* time1<time2 return -1
* time1==time2 return 0
*/
compareTime: function(time1, time2) {
var d1 = time1;
var d2 = time2;
if((typeof d1) === "string") {
d1 = new Date(Date.parse(d1.replace(/-/g, "/")));
}
if((typeof d2) === "string") {
d2 = new Date(Date.parse(d2.replace(/-/g, "/")));
}
var t1 = d1.getTime();
var t2 = d2.getTime();
if(t1 === t2) {
return 0;
} else if(t1 > t2) {
return 1;
}
return -1;
},
//是否闰年
isLeapYear: function(year) {
return((year % 4 === 0 && year % 100 !== 0) || year % 400 === 0);
},
//获取某个月的天数,从0开始
getDaysOfMonth: function(year, month) {
return [31, (this.isLeapYear(year) ? 29 : 28), 31, 30, 31, 30, 31, 31, 30, 31, 30, 31][month];
},
getDaysOfMonth2: function(year, month) {
// 将天置为0,会获取其上个月的最后一天
month = parseInt(month) + 1;
var date = new Date(year, month, 0);
return date.getDate();
},
/*距离现在几天的日期:负数表示今天之前的日期,0表示今天,整数表示未来的日期
* 如-1表示昨天的日期,0表示今天,2表示后天
*/
fromToday: function(days) {
var today = new Date();
today.setDate(today.getDate() + days);
var date = today.getFullYear() + "-" + (today.getMonth() + 1) + "-" + today.getDate();
return date;
},
/**
* 日期时间格式化
* @param {Object} dateTime 需要格式化的日期时间
* @param {String} pattern 格式化的模式,如yyyy-MM-dd hh(HH):mm:ss.S a k K E D F w W z Z
*/
formt: function(dateTime, pattern) {
var date = new Date(dateTime);
if(Bee.StringUtils.isBlank(pattern)) {
return date.toLocaleString();
}
return pattern.replace(/([a-z])\1*/ig, function(matchStr, group1) {
var replacement = "";
switch(group1) {
case Bee.DateUtils.patterns.PATTERN_ERA: //G
break;
case Bee.DateUtils.patterns.PATTERN_WEEK_YEAR: //Y
case Bee.DateUtils.patterns.PATTERN_YEAR: //y
replacement = date.getFullYear();
break;
case Bee.DateUtils.patterns.PATTERN_MONTH: //M
var month = date.getMonth() + 1;
replacement = (month < 10 && matchStr.length >= 2) ? "0" + month : month;
break;
case Bee.DateUtils.patterns.PATTERN_DAY_OF_MONTH: //d
var days = date.getDate();
replacement = (days < 10 && matchStr.length >= 2) ? "0" + days : days;
break;
case Bee.DateUtils.patterns.PATTERN_HOUR_OF_DAY1: //k(1~24)
var hours24 = date.getHours();
replacement = hours24;
break;
case Bee.DateUtils.patterns.PATTERN_HOUR_OF_DAY0: //H(0~23)
var hours24 = date.getHours();
replacement = (hours24 < 10 && matchStr.length >= 2) ? "0" + hours24 : hours24;
break;
case Bee.DateUtils.patterns.PATTERN_MINUTE: //m
var minutes = date.getMinutes();
replacement = (minutes < 10 && matchStr.length >= 2) ? "0" + minutes : minutes;
break;
case Bee.DateUtils.patterns.PATTERN_SECOND: //s
var seconds = date.getSeconds();
replacement = (seconds < 10 && matchStr.length >= 2) ? "0" + seconds : seconds;
break;
case Bee.DateUtils.patterns.PATTERN_MILLISECOND: //S
var milliSeconds = date.getMilliseconds();
replacement = milliSeconds;
break;
case Bee.DateUtils.patterns.PATTERN_DAY_OF_WEEK: //E
var day = date.getDay();
replacement = Bee.DateUtils.week['ch'][day];
break;
case Bee.DateUtils.patterns.PATTERN_DAY_OF_YEAR: //D
replacement = Bee.DateUtils.dayOfTheYear(date);
break;
case Bee.DateUtils.patterns.PATTERN_DAY_OF_WEEK_IN_MONTH: //F
var days = date.getDate();
replacement = Math.floor(days / 7);
break;
case Bee.DateUtils.patterns.PATTERN_WEEK_OF_YEAR: //w
var days = Bee.DateUtils.dayOfTheYear(date);
replacement = Math.ceil(days / 7);
break;
case Bee.DateUtils.patterns.PATTERN_WEEK_OF_MONTH: //W
var days = date.getDate();
replacement = Math.ceil(days / 7);
break;
case Bee.DateUtils.patterns.PATTERN_AM_PM: //a
var hours24 = date.getHours();
replacement = hours24 < 12 ? "\u4e0a\u5348" : "\u4e0b\u5348";
break;
case Bee.DateUtils.patterns.PATTERN_HOUR1: //h(1~12)
var hours12 = date.getHours() % 12 || 12; //0转为12
replacement = (hours12 < 10 && matchStr.length >= 2) ? "0" + hours12 : hours12;
break;
case Bee.DateUtils.patterns.PATTERN_HOUR0: //K(0~11)
var hours12 = date.getHours() % 12;
replacement = hours12;
break;
case Bee.DateUtils.patterns.PATTERN_ZONE_NAME: //z
replacement = Bee.DateUtils.getZoneNameValue(date)['name'];
break;
case Bee.DateUtils.patterns.PATTERN_ZONE_VALUE: //Z
replacement = Bee.DateUtils.getZoneNameValue(date)['value'];
break;
case Bee.DateUtils.patterns.PATTERN_ISO_DAY_OF_WEEK: //u
break;
case Bee.DateUtils.patterns.PATTERN_ISO_ZONE: //X
break;
default:
break;
}
return replacement;
});
},
/**
* 计算一个日期是当年的第几天
* @param {Object} date
*/
dayOfTheYear: function(date) {
var obj = new Date(date);
var year = obj.getFullYear();
var month = obj.getMonth(); //从0开始
var days = obj.getDate();
var daysArr = [31, (this.isLeapYear(year) ? 29 : 28), 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
for(var i = 0; i < month; i++) {
days += daysArr[i];
}
return days;
},
//获得时区名和值
getZoneNameValue: function(dateObj) {
var date = new Date(dateObj);
date = new Date(Date.UTC(date.getFullYear(), date.getMonth(), date.getDate()));
var arr = date.toString().match(/([A-Z]+)([-+]\d+:?\d+)/);
var obj = {
'name': arr[1],
'value': arr[2]
};
return obj;
}
};
//简单四则运算
Bee.ElementaryArithmeticUtils = {
//运算符优先级
operatorPrecedence: {
'+': 0,
'-': 0,
'*': 1,
'×': 1,
'÷': 1,
'\/': 1
},
//运算符
operator: {
'+': '+',
'-': '-',
'*': '*',
'×': '*',
'÷': '/',
'\/': '/'
},
//加法
add: function(operandLeft, operandRight) {
var operand1 = operandLeft.toString();
var operand2 = operandRight.toString();
var decimalPlace1 = operand1.indexOf('.') >= 0 ? operand1.split('.')[1].length : 0;
var decimalPlace2 = operand2.indexOf('.') >= 0 ? operand2.split('.')[1].length : 0;
var multiple = Math.pow(10, Math.max(decimalPlace1, decimalPlace2));
return(operandLeft * multiple + operandRight * multiple) / multiple;
},
//减法
subtract: function(operandLeft, operandRight) {
var operand1 = operandLeft.toString();
var operand2 = operandRight.toString();
var decimalPlace1 = operand1.indexOf('.') >= 0 ? operand1.split('.')[1].length : 0;
var decimalPlace2 = operand2.indexOf('.') >= 0 ? operand2.split('.')[1].length : 0;
var multiple = Math.pow(10, Math.max(decimalPlace1, decimalPlace2));
//toFixed避免多出来小数位,如 11.3-10.12000=1.1800000000000015
var decimalPlace = (decimalPlace1 >= decimalPlace2) ? decimalPlace1 : decimalPlace2;
return((operandLeft * multiple - operandRight * multiple) / multiple).toFixed(decimalPlace);
},
//乘法
multiply: function(operandLeft, operandRight) {
var operand1 = operandLeft.toString();
var operand2 = operandRight.toString();
var decimalPlace1 = operand1.indexOf('.') >= 0 ? operand1.split('.')[1].length : 0;
var decimalPlace2 = operand2.indexOf('.') >= 0 ? operand2.split('.')[1].length : 0;
var multiple1 = Math.pow(10, decimalPlace1);
var multiple2 = Math.pow(10, decimalPlace2);
return((operandLeft * multiple1) * (operandRight * multiple2)) / Math.pow(10, decimalPlace1 + decimalPlace2);
},
//除法
divide: function(operandLeft, operandRight) {
var operand1 = operandLeft.toString();
var operand2 = operandRight.toString();
var decimalPlace1 = operand1.indexOf('.') >= 0 ? operand1.split('.')[1].length : 0;
var decimalPlace2 = operand2.indexOf('.') >= 0 ? operand2.split('.')[1].length : 0;
var multiple1 = Math.pow(10, decimalPlace1);
var multiple2 = Math.pow(10, decimalPlace2);
return((operandLeft * multiple1) / (operandRight * multiple2)) * Math.pow(10, decimalPlace2 - decimalPlace1);
},
//校验表达式的合法性
isArithmeticExpression: function(expression) {
try {
expression = expression.replace(/÷/g, '/').replace(/×/g, '*');
var regex=/^(?=.*\d)(?!.*(\[\s*\]|\(\s*\)|{\s*}))[-+*\/()[\]\d{}]+$/;
if(regex.test(expression)){
var result = eval(expression);
}else{
return false;
}
} catch(e) {
return false;
}
return true;
},
//计算
calculate: function(expression) {
var value=NaN;
if(this.isArithmeticExpression(expression)){
value = eval(expression);
}
return value;
},
//中缀表达式转后缀表达式
infixToPostfixExpression: function(expression) {
expression = Bee.StringUtils.deleteWhitespace(expression);
expression = this.eliminatePositiveOrNegativeSign(expression);
var operatorStack = [];
var resultStack = [];
var elementArr = expression.match(/[-+\/÷*×()]|(?:[1-9]\d*|0)(?:\.\d+)?/g);
var size = elementArr.length;
for(var i = 0; i < size; i++) {
if(Bee.StringUtils.isNumeric(elementArr[i])) {
//如果是数值
resultStack.push(elementArr[i]);
} else {
//操作符栈顶元素
var operatorStackTopElement = operatorStack.length === 0 ? '' : operatorStack[operatorStack.length - 1];
//运算符
if(operatorStack.length === 0 || elementArr[i] === '(' || operatorStackTopElement === '(' || this.operatorPrecedence[elementArr[i]] > this.operatorPrecedence[operatorStackTopElement]) {
//操作符栈为空或栈顶元素为右括号')',或操作符的优先级比栈顶运算符高或相等,直接入栈
operatorStack.push(elementArr[i]);
} else {
//如果是右括号")",则依次弹出操作符栈顶的运算符,并压入结果栈,直到遇到左括号'('为止,左右括号不压入结果栈;
if(elementArr[i] === ')') {
for(var index = operatorStack.length - 1; index >= 0; index--) {
if(operatorStack[index] === '(') {
operatorStack.pop();
break;
} else {
resultStack.push(operatorStack.pop());
}
}
} else {
//将符号栈顶的运算符弹出并压入到结果栈中,再次与符号栈中新的栈顶运算符相比较
resultStack.push(operatorStack.pop());
i--;
continue;
}
}
}
}
//处理操作符栈剩余的符号
if(operatorStack.length > 0) {
for(var j = operatorStack.length - 1; j >= 0; j--) {
resultStack.push(operatorStack.pop());
}
}
//结果返回
return resultStack.join(' ');
},
//中缀表达式转前缀表达式(结果以空格隔开)
infixToPrefixExpression: function(expression) {
expression = Bee.StringUtils.deleteWhitespace(expression);
expression = this.eliminatePositiveOrNegativeSign(expression);
var operatorStack = [];
var resultStack = [];
var elementArr = expression.match(/[-+\/÷*×()]|(?:[1-9]\d*|0)(?:\.\d+)?/g);
var size = elementArr.length;
for(var i = size - 1; i >= 0; i--) {
if(Bee.StringUtils.isNumeric(elementArr[i])) {
//如果是数值
resultStack.push(elementArr[i]);
} else {
//操作符栈顶元素
var operatorStackTopElement = operatorStack.length === 0 ? '' : operatorStack[operatorStack.length - 1];
//运算符
if(operatorStack.length === 0 || elementArr[i] === ')' || operatorStackTopElement === ')' || this.operatorPrecedence[elementArr[i]] >= this.operatorPrecedence[operatorStackTopElement]) {
//操作符栈为空或栈顶元素为右括号')',或操作符的优先级比栈顶运算符高或相等,直接入栈
operatorStack.push(elementArr[i]);
} else {
//如果是左括号"(",则依次弹出操作符栈顶的运算符,并压入结果栈,直到遇到右括号')'为止,左右括号不压入结果栈;
if(elementArr[i] === '(') {
for(var index = operatorStack.length - 1; index >= 0; index--) {
if(operatorStack[index] === ')') {
operatorStack.pop();
break;
} else {
resultStack.push(operatorStack.pop());
}
}
} else {
//将符号栈顶的运算符弹出并压入到结果栈中,再次与符号栈中新的栈顶运算符相比较
resultStack.push(operatorStack.pop());
i++;
continue;
}
}
}
}
//处理操作符栈剩余的符号
if(operatorStack.length > 0) {
for(var j = operatorStack.length - 1; j >= 0; j--) {
resultStack.push(operatorStack.pop());
}
}
//结果返回
return resultStack.reverse().join(' ');
},
//解决正负号问题-1转为0-1;+1转为0+1
eliminatePositiveOrNegativeSign: function(expression) {
return expression.replace(/(\(|^)([-+])/g, '$10$2');
},
//把中缀表达式转为前缀表达式,再计算
calculateByPrefixExpression: function(expression) {
var elementArr = this.infixToPrefixExpression(expression).split(' ');
var size = elementArr.length;
var resultStack = [];
for(var i = size - 1; i >= 0; i--) {
if(Bee.StringUtils.isNumeric(elementArr[i])) {
//如果是数值
resultStack.push(elementArr[i]);
} else {
var operand1 = resultStack.pop();
var operand2 = resultStack.pop();
var result;
switch(elementArr[i]) {
case '+':
result = Bee.ElementaryArithmeticUtils.add(operand1, operand2);
break;
case '-':
result = Bee.ElementaryArithmeticUtils.subtract(operand1, operand2);
break;
case '×':
case '*':
result = Bee.ElementaryArithmeticUtils.multiply(operand1, operand2);
break;
case '\/':
case '÷':
result = Bee.ElementaryArithmeticUtils.divide(operand1, operand2);
break;
default:
result = '';
alert("The operator 【" + elementArr[i] + "】 is not legal");
break;
}
resultStack.push(result);
}
}
return resultStack;
},
//把中缀表达式转为后缀表达式,再计算
calculateByPostfixExpression: function(expression) {
var elementArr = this.infixToPostfixExpression(expression).split(' ');
var size = elementArr.length;
var resultStack = [];
for(var i = 0; i < size; i++) {
if(Bee.StringUtils.isNumeric(elementArr[i])) {
//如果是数值
resultStack.push(elementArr[i]);
} else {
var operand1 = resultStack.pop();
var operand2 = resultStack.pop();
var result;
switch(elementArr[i]) {
case '+':
result = Bee.ElementaryArithmeticUtils.add(operand2, operand1);
break;
case '-':
result = Bee.ElementaryArithmeticUtils.subtract(operand2, operand1);
break;
case '×':
case '*':
result = Bee.ElementaryArithmeticUtils.multiply(operand2, operand1);
break;
case '\/':
case '÷':
result = Bee.ElementaryArithmeticUtils.divide(operand2, operand1);
break;
default:
result = '';
alert("The operator 【" + elementArr[i] + "】 is not legal");
break;
}
resultStack.push(result);
}
}
return resultStack;
},
//横式计算
horizontalCalculation: function(expression) {
expression = Bee.StringUtils.deleteWhitespace(expression);
expression = this.eliminatePositiveOrNegativeSign(expression);
var result = expression;
while(expression.indexOf('(') >= 0) {
expression = expression.replace(/\([^()]+\)/g, function(matchStr) {
return eval(matchStr);
});
result += '=' + expression;
}
while(expression.indexOf('[') >= 0) {
expression = expression.replace(/\[[^\[\]]+\]/g, function(matchStr) {
return eval(matchStr);
});
result += '=' + expression;
}
while(expression.indexOf('{') >= 0) {
expression = expression.replace(/\{[^{}]+\}/g, function(matchStr) {
return eval(matchStr);
});
result += '=' + expression;
}
var pattern = /(?:[1-9]\d*|0)(?:\.\d+)?[*/](?:[1-9]\d*|0)(?:\.\d+)?/;
while(expression.indexOf('*') >= 0 || expression.indexOf('/') >= 0) {
expression = expression.replace(pattern, function(matchStr, index) {
return eval(matchStr);
});
result += '=' + expression;
}
if(/[-+*/]/.test(expression)) {
result += '=' + eval(expression);
}
return result;
},
//竖式计算
verticalCalculation: function(expression) {
var result = this.horizontalCalculation(expression);
return result.replace(/=/g, "\n$&");
}
};
//自动生成正则表达式
Bee.RegexUtils = {
//生成正整数范围的表达式
positiveIntegerRange: function(minimum, maximum) {},
/**
* 排除某些字符串,即不能包含某些字符串.返回值为RegExp对象
* @param {Object} conditions:里面有多个属性,如下:
*
* @param {String} matcherFlag 匹配标识
* 0:数字;1:字母;2:小写字母;3:大写字母;4:特殊字符,指英文状态下的标点符号及括号等;5:中文;
* 6:数字和字母;7:数字和小写字母;8:数字和大写字母;9:数字、字母和特殊字符;10:数字和中文;
* 11:小写字母和特殊字符;12:大写字母和特殊字符;13:字母和特殊字符;14:小写字母和中文;15:大写字母和中文;
* 16:字母和中文;17:特殊字符、和中文;18:特殊字符、字母和中文;19:特殊字符、小写字母和中文;20:特殊字符、大写字母和中文;
* 100:所有字符;
* @param {Array} targetStrArr 排除的字符串,数组格式
* @param {String} length 长度,可为空。1,2表示长度1到2之间;10,表示10个以上字符;5表示长度为5
* @param {Boolean} ignoreCase 是否忽略大小写
*
* conditions={matcherFlag:"0",targetStrArr:[],length:"",ignoreCase:true}
*/
createRegexObjMustExclude: function(input, conditions) {
//参数
var matcherFlag = conditions.matcherFlag;
var targetStrArr = conditions.targetStrArr;
var length = conditions.length;
var ignoreCase = conditions.ignoreCase;
//拼正则
var size = targetStrArr.length;
var regex = (size == 0) ? "^" : "^(?!.*(?:{0}))";
var subPattern = "";
for(var i = 0; i < size; i++) {
targetStrArr[i] = Bee.StringUtils.escapeMetacharacterOfStr(targetStrArr[i]);
subPattern += targetStrArr[i];
if(i != size - 1) {
subPattern += "|";
}
}
regex = Bee.StringUtils.format(regex, [subPattern]);
switch(matcherFlag) {
case '0':
regex += "\\d";
break;
case '1':
regex += "[a-zA-Z]";
break;
case '2':
regex += "[a-z]";
break;
case '3':
regex += "[A-Z]";
break;
case '4':
regex += "[!-/:-@\[-`{-~]";
break;
case '5':
regex += "[\u4E00-\u9FA5]";
break;
case '6':
regex += "[a-zA-Z0-9]";
break;
case '7':