554 lines
16 KiB
JavaScript
554 lines
16 KiB
JavaScript
/**
|
||
* 字符串工具类
|
||
**/
|
||
export const StrUtil = {
|
||
/**
|
||
* 字符串是否为空白 空白的定义如下： <br>
|
||
* 1、为null <br>
|
||
* 2、为不可见字符（如空格）<br>
|
||
* 3、""<br>
|
||
*
|
||
* @param str 被检测的字符串
|
||
* @return boolean 是否为空
|
||
*/
|
||
isBlank: function (str) {
|
||
return str === undefined || str == null || this.trim(str) === "";
|
||
|
||
},
|
||
/**
|
||
* 字符串是否为非空白 空白的定义如下： <br>
|
||
* 1、不为null <br>
|
||
* 2、不为不可见字符（如空格）<br>
|
||
* 3、不为""<br>
|
||
*
|
||
* @param str 被检测的字符串
|
||
* @return boolean 是否为非空
|
||
*/
|
||
isNotBlank: function (str) {
|
||
// == 代表相同,=== 代表严格相同
|
||
return false === StrUtil.isBlank(str);
|
||
},
|
||
/**
|
||
* 字符串是否为空，空的定义如下:<br>
|
||
* 1、为null <br>
|
||
* 2、为""<br>
|
||
*
|
||
* @param str 被检测的字符串
|
||
* @return boolean 是否为空
|
||
*/
|
||
isEmpty: function (str) {
|
||
return str == null || str === "";
|
||
|
||
},
|
||
/**
|
||
* 字符串是否为非空白 空白的定义如下： <br>
|
||
* 1、不为null <br>
|
||
* 2、不为""<br>
|
||
*
|
||
* @param str 被检测的字符串
|
||
* @return boolean 是否为非空
|
||
*/
|
||
isNotEmpty: function (str) {
|
||
return !StrUtil.isEmpty(str);
|
||
},
|
||
/**
|
||
* 空对象转字符串
|
||
*
|
||
* @param str 被检查的字符串
|
||
* @return string 原字符串或者空串
|
||
*/
|
||
nullToStr: function (str) {
|
||
if (StrUtil.isEmpty(str)) {
|
||
return "";
|
||
}
|
||
return str;
|
||
},
|
||
/**
|
||
* 空格截取
|
||
*
|
||
* @param str 截取的字符串
|
||
* @return string
|
||
*/
|
||
trim: function (str) {
|
||
if (str == null) {
|
||
return "";
|
||
}
|
||
return str.toString().replace(/(^\s*)|(\s*$)|\r|\n/g, "");
|
||
},
|
||
/**
|
||
* 比较两个字符串（大小写敏感）
|
||
*
|
||
* @param str 字符串
|
||
* @param that 比较的字符串
|
||
* @return boolean
|
||
*/
|
||
equals: function (str, that) {
|
||
return str === that;
|
||
},
|
||
/**
|
||
* 比较两个字符串（大小写不敏感）
|
||
*
|
||
* @param str 字符串
|
||
* @param that 比较的字符串
|
||
* @return boolean
|
||
*/
|
||
equalsIgnoreCase: function (str, that) {
|
||
return String(str).toUpperCase() === String(that).toUpperCase();
|
||
},
|
||
/**
|
||
* 将字符串按指定字符分割
|
||
*
|
||
* @param str 字符串
|
||
* @param sep 比较的字符串
|
||
* @param maxLen 最大长度
|
||
* @return string[] 分割后的数组
|
||
*/
|
||
split: function (str, sep, maxLen) {
|
||
if (StrUtil.isEmpty(str)) {
|
||
return null;
|
||
}
|
||
const value = String(str).split(sep);
|
||
return maxLen ? value.slice(0, maxLen - 1) : value;
|
||
},
|
||
/**
|
||
* 字符串格式化(%s )
|
||
*
|
||
* @param str 字符串
|
||
* @return 格式化后的字符串
|
||
*/
|
||
sprintf: function (str) {
|
||
let args = arguments, flag = true, i = 1;
|
||
str = str.replace(/%s/g, function () {
|
||
const arg = args[i++];
|
||
if (typeof arg === 'undefined') {
|
||
flag = false;
|
||
return '';
|
||
}
|
||
return arg;
|
||
});
|
||
return flag ? str : '';
|
||
},
|
||
/**
|
||
* 判断字符串是否是以start开头
|
||
*
|
||
* @param str 字符串
|
||
* @param start 开始的字符串
|
||
* @return boolean
|
||
*/
|
||
startWith: function (str, start) {
|
||
const reg = new RegExp("^" + start);
|
||
return reg.test(str);
|
||
},
|
||
/**
|
||
* 判断字符串是否是以end结尾
|
||
*
|
||
* @param str 字符串
|
||
* @param end 结尾的字符串
|
||
* @return boolean
|
||
*/
|
||
endWith: function (str, end) {
|
||
const reg = new RegExp(end + "$");
|
||
return reg.test(str);
|
||
},
|
||
containsWhitespace: function (input) {
|
||
return this.contains(input, ' ');
|
||
},
|
||
//生成指定个数的字符
|
||
repeat: function (ch, repeatTimes) {
|
||
let result = "";
|
||
for (let 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) {
|
||
let 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) {
|
||
let 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;
|
||
}
|
||
let count = 0;
|
||
let 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);
|
||
},
|
||
/**
|
||
* 校验时排除某些字符串，即不能包含某些字符串
|
||
* @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} excludeStrArr 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",excludeStrArr:[],length:"",ignoreCase:true}
|
||
*/
|
||
isPatternMustExcludeSomeStr: function (input, conditions) {
|
||
//参数
|
||
const matcherFlag = conditions.matcherFlag;
|
||
const excludeStrArr = conditions.excludeStrArr;
|
||
const length = conditions.length;
|
||
const ignoreCase = conditions.ignoreCase;
|
||
//拼正则
|
||
const size = excludeStrArr.length;
|
||
let regex = (size === 0) ? "^" : "^(?!.*(?:{0}))";
|
||
let subPattern = "";
|
||
for (let i = 0; i < size; i++) {
|
||
excludeStrArr[i] = Bee.StringUtils.escapeMetacharacterOfStr(excludeStrArr[i]);
|
||
subPattern += excludeStrArr[i];
|
||
if (i !== size - 1) {
|
||
subPattern += "|";
|
||
}
|
||
}
|
||
regex = this.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':
|
||
regex += "[a-z0-9]";
|
||
break;
|
||
case '8':
|
||
regex += "[A-Z0-9]";
|
||
break;
|
||
case '9':
|
||
regex += "[!-~]";
|
||
break;
|
||
case '10':
|
||
regex += "[0-9\u4E00-\u9FA5]";
|
||
break;
|
||
case '11':
|
||
regex += "[a-z!-/:-@\[-`{-~]";
|
||
break;
|
||
case '12':
|
||
regex += "[A-Z!-/:-@\[-`{-~]";
|
||
break;
|
||
case '13':
|
||
regex += "[a-zA-Z!-/:-@\[-`{-~]";
|
||
break;
|
||
case '14':
|
||
regex += "[a-z\u4E00-\u9FA5]";
|
||
break;
|
||
case '15':
|
||
regex += "[A-Z\u4E00-\u9FA5]";
|
||
break;
|
||
case '16':
|
||
regex += "[a-zA-Z\u4E00-\u9FA5]";
|
||
break;
|
||
case '17':
|
||
regex += "[\u4E00-\u9FA5!-/:-@\[-`{-~]";
|
||
break;
|
||
case '18':
|
||
regex += "[\u4E00-\u9FA5!-~]";
|
||
break;
|
||
case '19':
|
||
regex += "[a-z\u4E00-\u9FA5!-/:-@\[-`{-~]";
|
||
break;
|
||
case '20':
|
||
regex += "[A-Z\u4E00-\u9FA5!-/:-@\[-`{-~]";
|
||
break;
|
||
case '100':
|
||
regex += "[\s\S]";
|
||
break;
|
||
default:
|
||
alert(matcherFlag + ":This type is not supported!");
|
||
}
|
||
regex += this.isNotBlank(length) ? "{" + length + "}" : "+";
|
||
regex += "$";
|
||
const pattern = new RegExp(regex, ignoreCase ? "i" : "");
|
||
return pattern.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) {
|
||
const pattern = new RegExp("([a-z])\\1+", ignoreCase ? "ig" : "g");
|
||
return input.replace(pattern, function (matchStr, group1) {
|
||
return matchStr.length + group1;
|
||
});
|
||
},
|
||
/**
|
||
* 校验必须同时包含某些字符串
|
||
* @param {String} input
|
||
* @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} excludeStrArr 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",containStrArr:[],length:"",ignoreCase:true}
|
||
*
|
||
*/
|
||
isPatternMustContainSomeStr: function (input, conditions) {
|
||
//参数
|
||
const matcherFlag = conditions.matcherFlag;
|
||
const containStrArr = conditions.containStrArr;
|
||
const length = conditions.length;
|
||
const ignoreCase = conditions.ignoreCase;
|
||
//创建正则
|
||
const size = containStrArr.length;
|
||
let regex = "^";
|
||
let subPattern = "";
|
||
for (let i = 0; i < size; i++) {
|
||
containStrArr[i] = Bee.StringUtils.escapeMetacharacterOfStr(containStrArr[i]);
|
||
subPattern += "(?=.*" + containStrArr[i] + ")";
|
||
}
|
||
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':
|
||
regex += "[a-z0-9]";
|
||
break;
|
||
case '8':
|
||
regex += "[A-Z0-9]";
|
||
break;
|
||
case '9':
|
||
regex += "[!-~]";
|
||
break;
|
||
case '10':
|
||
regex += "[0-9\u4E00-\u9FA5]";
|
||
break;
|
||
case '11':
|
||
regex += "[a-z!-/:-@\[-`{-~]";
|
||
break;
|
||
case '12':
|
||
regex += "[A-Z!-/:-@\[-`{-~]";
|
||
break;
|
||
case '13':
|
||
regex += "[a-zA-Z!-/:-@\[-`{-~]";
|
||
break;
|
||
case '14':
|
||
regex += "[a-z\u4E00-\u9FA5]";
|
||
break;
|
||
case '15':
|
||
regex += "[A-Z\u4E00-\u9FA5]";
|
||
break;
|
||
case '16':
|
||
regex += "[a-zA-Z\u4E00-\u9FA5]";
|
||
break;
|
||
case '17':
|
||
regex += "[\u4E00-\u9FA5!-/:-@\[-`{-~]";
|
||
break;
|
||
case '18':
|
||
regex += "[\u4E00-\u9FA5!-~]";
|
||
break;
|
||
case '19':
|
||
regex += "[a-z\u4E00-\u9FA5!-/:-@\[-`{-~]";
|
||
break;
|
||
case '20':
|
||
regex += "[A-Z\u4E00-\u9FA5!-/:-@\[-`{-~]";
|
||
break;
|
||
case '100':
|
||
regex += "[\s\S]";
|
||
break;
|
||
default:
|
||
alert(matcherFlag + ":This type is not supported!");
|
||
}
|
||
regex += this.isNotBlank(length) ? "{" + length + "}" : "+";
|
||
regex += "$";
|
||
const pattern = new RegExp(regex, ignoreCase ? "i" : "");
|
||
return pattern.test(input);
|
||
},
|
||
//中文校验
|
||
isChinese: function (input) {
|
||
return /^[\u4E00-\u9FA5]+$/.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) {
|
||
const metacharacter = "^$()*+.[]|\\-?{}|";
|
||
if (metacharacter.indexOf(input) >= 0) {
|
||
input = "\\" + input;
|
||
}
|
||
return input;
|
||
},
|
||
//转义字符串中的元字符
|
||
escapeMetacharacterOfStr: function (input) {
|
||
return input.replace(/[\^\$\*\+\.\|\\\-\?\{\}\|]/gm, "\\$&");
|
||
}
|
||
};
|