forked from fanruan/fineui
windy
6 years ago
65 changed files with 3912 additions and 3956 deletions
File diff suppressed because one or more lines are too long
File diff suppressed because one or more lines are too long
File diff suppressed because it is too large
Load Diff
File diff suppressed because one or more lines are too long
@ -0,0 +1,22 @@
|
||||
/** |
||||
* 对数组对象的扩展 |
||||
* @class Array |
||||
*/ |
||||
_.extend(BI, { |
||||
|
||||
pushArray: function (sArray, array) { |
||||
for (var i = 0; i < array.length; i++) { |
||||
sArray.push(array[i]); |
||||
} |
||||
}, |
||||
pushDistinct: function (sArray, obj) { |
||||
if (!BI.contains(obj)) { |
||||
sArray.push(obj); |
||||
} |
||||
}, |
||||
pushDistinctArray: function (sArray, array) { |
||||
for (var i = 0, len = array.length; i < len; i++) { |
||||
sArray.pushDistinct(array[i]); |
||||
} |
||||
} |
||||
}); |
||||
@ -0,0 +1,66 @@
|
||||
BI.prepares.push(function () { |
||||
BI.Date = BI.Date || {}; |
||||
// 牵扯到国际化这些常量在页面加载后再生效
|
||||
// full day names
|
||||
BI.Date._DN = [BI.i18nText("BI-Basic_Sunday"), |
||||
BI.i18nText("BI-Basic_Monday"), |
||||
BI.i18nText("BI-Basic_Tuesday"), |
||||
BI.i18nText("BI-Basic_Wednesday"), |
||||
BI.i18nText("BI-Basic_Thursday"), |
||||
BI.i18nText("BI-Basic_Friday"), |
||||
BI.i18nText("BI-Basic_Saturday"), |
||||
BI.i18nText("BI-Basic_Sunday")]; |
||||
|
||||
// short day names
|
||||
BI.Date._SDN = [BI.i18nText("BI-Basic_Simple_Sunday"), |
||||
BI.i18nText("BI-Basic_Simple_Monday"), |
||||
BI.i18nText("BI-Basic_Simple_Tuesday"), |
||||
BI.i18nText("BI-Basic_Simple_Wednesday"), |
||||
BI.i18nText("BI-Basic_Simple_Thursday"), |
||||
BI.i18nText("BI-Basic_Simple_Friday"), |
||||
BI.i18nText("BI-Basic_Simple_Saturday"), |
||||
BI.i18nText("BI-Basic_Simple_Sunday")]; |
||||
|
||||
// Monday first, etc.
|
||||
BI.Date._FD = 1; |
||||
|
||||
// full month namesdat
|
||||
BI.Date._MN = [ |
||||
BI.i18nText("BI-Basic_January"), |
||||
BI.i18nText("BI-Basic_February"), |
||||
BI.i18nText("BI-Basic_March"), |
||||
BI.i18nText("BI-Basic_April"), |
||||
BI.i18nText("BI-Basic_May"), |
||||
BI.i18nText("BI-Basic_June"), |
||||
BI.i18nText("BI-Basic_July"), |
||||
BI.i18nText("BI-Basic_August"), |
||||
BI.i18nText("BI-Basic_September"), |
||||
BI.i18nText("BI-Basic_October"), |
||||
BI.i18nText("BI-Basic_November"), |
||||
BI.i18nText("BI-Basic_December")]; |
||||
|
||||
// short month names
|
||||
BI.Date._SMN = [0, |
||||
1, |
||||
2, |
||||
3, |
||||
4, |
||||
5, |
||||
6, |
||||
7, |
||||
8, |
||||
9, |
||||
10, |
||||
11]; |
||||
|
||||
BI.Date._QN = ["", BI.i18nText("BI-Quarter_1"), |
||||
BI.i18nText("BI-Quarter_2"), |
||||
BI.i18nText("BI-Quarter_3"), |
||||
BI.i18nText("BI-Quarter_4")]; |
||||
|
||||
/** Adds the number of days array to the Date object. */ |
||||
BI.Date._MD = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]; |
||||
|
||||
// 实际上无论周几作为一周的第一天，周初周末都是在-6-0间做偏移，用一个数组就可以
|
||||
BI.Date._OFFSET = [0, -1, -2, -3, -4, -5, -6]; |
||||
}); |
||||
@ -0,0 +1,218 @@
|
||||
/** Constants used for time computations */ |
||||
BI.Date = BI.Date || {}; |
||||
BI.Date.SECOND = 1000; |
||||
BI.Date.MINUTE = 60 * BI.Date.SECOND; |
||||
BI.Date.HOUR = 60 * BI.Date.MINUTE; |
||||
BI.Date.DAY = 24 * BI.Date.HOUR; |
||||
BI.Date.WEEK = 7 * BI.Date.DAY; |
||||
|
||||
_.extend(BI, { |
||||
/** |
||||
* 获取时区 |
||||
* @returns {String} |
||||
*/ |
||||
getTimezone: function (date) { |
||||
return date.toString().replace(/^.* (?:\((.*)\)|([A-Z]{1,4})(?:[\-+][0-9]{4})?(?: -?\d+)?)$/, "$1$2").replace(/[^A-Z]/g, ""); |
||||
}, |
||||
|
||||
/** Returns the number of days in the current month */ |
||||
getMonthDays: function (date, month) { |
||||
var year = date.getFullYear(); |
||||
if (typeof month === "undefined") { |
||||
month = date.getMonth(); |
||||
} |
||||
if (((0 == (year % 4)) && ((0 != (year % 100)) || (0 == (year % 400)))) && month == 1) { |
||||
return 29; |
||||
} |
||||
return BI.Date._MD[month]; |
||||
|
||||
}, |
||||
|
||||
/** |
||||
* 获取每月的最后一天 |
||||
* @returns {Date} |
||||
*/ |
||||
getLastDateOfMonth: function (date) { |
||||
return BI.getDate(date.getFullYear(), date.getMonth(), BI.getMonthDays(date)); |
||||
}, |
||||
|
||||
/** Returns the number of day in the year. */ |
||||
getDayOfYear: function (date) { |
||||
var now = BI.getDate(date.getFullYear(), date.getMonth(), date.getDate(), 0, 0, 0); |
||||
var then = BI.getDate(date.getFullYear(), 0, 0, 0, 0, 0); |
||||
var time = now - then; |
||||
return Math.floor(time / BI.Date.DAY); |
||||
}, |
||||
|
||||
/** Returns the number of the week in year, as defined in ISO 8601. */ |
||||
getWeekNumber: function (date) { |
||||
var d = BI.getDate(date.getFullYear(), date.getMonth(), date.getDate(), 0, 0, 0); |
||||
var week = d.getDay(); |
||||
var startOfWeek = BI.StartOfWeek % 7; |
||||
if (date.getMonth() === 0 && date.getDate() <= week) { |
||||
return 1; |
||||
} |
||||
d.setDate(date.getDate() - (week < startOfWeek ? (7 + week - startOfWeek) : (week - startOfWeek))); |
||||
var ms = d.valueOf(); // GMT
|
||||
d.setMonth(0); |
||||
d.setDate(1); |
||||
var offset = Math.floor((ms - d.valueOf()) / (7 * 864e5)) + 1; |
||||
if (d.getDay() !== startOfWeek) { |
||||
offset++; |
||||
} |
||||
return offset; |
||||
}, |
||||
|
||||
getQuarter: function (date) { |
||||
return Math.floor(date.getMonth() / 3) + 1; |
||||
}, |
||||
|
||||
// 离当前时间多少天的时间
|
||||
getOffsetDate: function (date, offset) { |
||||
return BI.getDate(BI.getTime(date.getFullYear(), date.getMonth(), date.getDate(), date.getHours(), date.getMinutes(), date.getSeconds()) + offset * 864e5); |
||||
}, |
||||
|
||||
getOffsetQuarter: function (date, n) { |
||||
var dt = BI.getDate(BI.getTime(date.getFullYear(), date.getMonth(), date.getDate(), date.getHours(), date.getMinutes(), date.getSeconds())); |
||||
var day = dt.getDate(); |
||||
var monthDay = BI.getMonthDays(BI.getDate(dt.getFullYear(), dt.getMonth() + BI.parseInt(n) * 3, 1)); |
||||
if (day > monthDay) { |
||||
day = monthDay; |
||||
} |
||||
dt.setDate(day); |
||||
dt.setMonth(dt.getMonth() + parseInt(n) * 3); |
||||
return dt; |
||||
}, |
||||
|
||||
// 得到本季度的起始月份
|
||||
getQuarterStartMonth: function (date) { |
||||
var quarterStartMonth = 0; |
||||
var nowMonth = date.getMonth(); |
||||
if (nowMonth < 3) { |
||||
quarterStartMonth = 0; |
||||
} |
||||
if (2 < nowMonth && nowMonth < 6) { |
||||
quarterStartMonth = 3; |
||||
} |
||||
if (5 < nowMonth && nowMonth < 9) { |
||||
quarterStartMonth = 6; |
||||
} |
||||
if (nowMonth > 8) { |
||||
quarterStartMonth = 9; |
||||
} |
||||
return quarterStartMonth; |
||||
}, |
||||
// 获得本季度的起始日期
|
||||
getQuarterStartDate: function (date) { |
||||
return BI.getDate(date.getFullYear(), BI.getQuarterStartMonth(date), 1); |
||||
}, |
||||
// 得到本季度的结束日期
|
||||
getQuarterEndDate: function (date) { |
||||
var quarterEndMonth = BI.getQuarterStartMonth(date) + 2; |
||||
return BI.getDate(date.getFullYear(), quarterEndMonth, BI.getMonthDays(date, quarterEndMonth)); |
||||
}, |
||||
|
||||
// 指定日期n个月之前或之后的日期
|
||||
getOffsetMonth: function (date, n) { |
||||
var dt = BI.getDate(BI.getTime(date.getFullYear(), date.getMonth(), date.getDate(), date.getHours(), date.getMinutes(), date.getSeconds())); |
||||
var day = dt.getDate(); |
||||
var monthDay = BI.getMonthDays(BI.getDate(dt.getFullYear(), dt.getMonth() + parseInt(n), 1)); |
||||
if (day > monthDay) { |
||||
day = monthDay; |
||||
} |
||||
dt.setDate(day); |
||||
dt.setMonth(dt.getMonth() + parseInt(n)); |
||||
return dt; |
||||
}, |
||||
|
||||
// 获得本周的起始日期
|
||||
getWeekStartDate: function (date) { |
||||
var w = date.getDay(); |
||||
var startOfWeek = BI.StartOfWeek % 7; |
||||
return BI.getOffsetDate(date, BI.Date._OFFSET[w < startOfWeek ? (7 + w - startOfWeek) : (w - startOfWeek)]); |
||||
}, |
||||
// 得到本周的结束日期
|
||||
getWeekEndDate: function (date) { |
||||
var w = date.getDay(); |
||||
var startOfWeek = BI.StartOfWeek % 7; |
||||
return BI.getOffsetDate(date, BI.Date._OFFSET[w < startOfWeek ? (7 + w - startOfWeek) : (w - startOfWeek)] + 6); |
||||
}, |
||||
|
||||
// 格式化打印日期
|
||||
print: function (date, str) { |
||||
var m = date.getMonth(); |
||||
var d = date.getDate(); |
||||
var y = date.getFullYear(); |
||||
var yWith4number = y + ""; |
||||
while (yWith4number.length < 4) { |
||||
yWith4number = "0" + yWith4number; |
||||
} |
||||
var wn = BI.getWeekNumber(date); |
||||
var qr = BI.getQuarter(date); |
||||
var w = date.getDay(); |
||||
var s = {}; |
||||
var hr = date.getHours(); |
||||
var pm = (hr >= 12); |
||||
var ir = (pm) ? (hr - 12) : hr; |
||||
var dy = BI.getDayOfYear(date); |
||||
if (ir == 0) { |
||||
ir = 12; |
||||
} |
||||
var min = date.getMinutes(); |
||||
var sec = date.getSeconds(); |
||||
s["%a"] = BI.Date._SDN[w]; // abbreviated weekday name [FIXME: I18N]
|
||||
s["%A"] = BI.Date._DN[w]; // full weekday name
|
||||
s["%b"] = BI.Date._SMN[m]; // abbreviated month name [FIXME: I18N]
|
||||
s["%B"] = BI.Date._MN[m]; // full month name
|
||||
// FIXME: %c : preferred date and time representation for the current locale
|
||||
s["%C"] = 1 + Math.floor(y / 100); // the century number
|
||||
s["%d"] = (d < 10) ? ("0" + d) : d; // the day of the month (range 01 to 31)
|
||||
s["%e"] = d; // the day of the month (range 1 to 31)
|
||||
// FIXME: %D : american date style: %m/%d/%y
|
||||
// FIXME: %E, %F, %G, %g, %h (man strftime)
|
||||
s["%H"] = (hr < 10) ? ("0" + hr) : hr; // hour, range 00 to 23 (24h format)
|
||||
s["%I"] = (ir < 10) ? ("0" + ir) : ir; // hour, range 01 to 12 (12h format)
|
||||
s["%j"] = (dy < 100) ? ((dy < 10) ? ("00" + dy) : ("0" + dy)) : dy; // day of the year (range 001 to 366)
|
||||
s["%k"] = hr; // hour, range 0 to 23 (24h format)
|
||||
s["%l"] = ir; // hour, range 1 to 12 (12h format)
|
||||
s["%X"] = (m < 9) ? ("0" + (1 + m)) : (1 + m); // month, range 01 to 12
|
||||
s["%x"] = m + 1; // month, range 1 to 12
|
||||
s["%M"] = (min < 10) ? ("0" + min) : min; // minute, range 00 to 59
|
||||
s["%n"] = "\n"; // a newline character
|
||||
s["%p"] = pm ? "PM" : "AM"; |
||||
s["%P"] = pm ? "pm" : "am"; |
||||
// FIXME: %r : the time in am/pm notation %I:%M:%S %p
|
||||
// FIXME: %R : the time in 24-hour notation %H:%M
|
||||
s["%s"] = Math.floor(date.getTime() / 1000); |
||||
s["%S"] = (sec < 10) ? ("0" + sec) : sec; // seconds, range 00 to 59
|
||||
s["%t"] = "\t"; // a tab character
|
||||
// FIXME: %T : the time in 24-hour notation (%H:%M:%S)
|
||||
s["%U"] = s["%W"] = s["%V"] = (wn < 10) ? ("0" + wn) : wn; |
||||
s["%u"] = w + 1; // the day of the week (range 1 to 7, 1 = MON)
|
||||
s["%w"] = w; // the day of the week (range 0 to 6, 0 = SUN)
|
||||
// FIXME: %x : preferred date representation for the current locale without the time
|
||||
// FIXME: %X : preferred time representation for the current locale without the date
|
||||
s["%y"] = yWith4number.substr(2, 2); // year without the century (range 00 to 99)
|
||||
s["%Y"] = yWith4number; // year with the century
|
||||
s["%%"] = "%"; // a literal '%' character
|
||||
s["%Q"] = qr; |
||||
|
||||
var re = /%./g; |
||||
if (!BI.isKhtml()) { |
||||
return str.replace(re, function (par) { |
||||
return s[par] || par; |
||||
}); |
||||
} |
||||
|
||||
var a = str.match(re); |
||||
for (var i = 0; i < a.length; i++) { |
||||
var tmp = s[a[i]]; |
||||
if (tmp) { |
||||
re = new RegExp(a[i], "g"); |
||||
str = str.replace(re, tmp); |
||||
} |
||||
} |
||||
|
||||
return str; |
||||
} |
||||
}); |
||||
@ -0,0 +1,156 @@
|
||||
_.extend(BI, { |
||||
// 给Number类型增加一个add方法，调用起来更加方便。
|
||||
add: function (num, arg) { |
||||
return accAdd(arg, num); |
||||
|
||||
/** |
||||
** 加法函数，用来得到精确的加法结果 |
||||
** 说明：javascript的加法结果会有误差，在两个浮点数相加的时候会比较明显。这个函数返回较为精确的加法结果。 |
||||
** 调用：accAdd(arg1,arg2) |
||||
** 返回值：arg1加上arg2的精确结果 |
||||
**/ |
||||
function accAdd (arg1, arg2) { |
||||
var r1, r2, m, c; |
||||
try { |
||||
r1 = arg1.toString().split(".")[1].length; |
||||
} catch (e) { |
||||
r1 = 0; |
||||
} |
||||
try { |
||||
r2 = arg2.toString().split(".")[1].length; |
||||
} catch (e) { |
||||
r2 = 0; |
||||
} |
||||
c = Math.abs(r1 - r2); |
||||
m = Math.pow(10, Math.max(r1, r2)); |
||||
if (c > 0) { |
||||
var cm = Math.pow(10, c); |
||||
if (r1 > r2) { |
||||
arg1 = Number(arg1.toString().replace(".", "")); |
||||
arg2 = Number(arg2.toString().replace(".", "")) * cm; |
||||
} else { |
||||
arg1 = Number(arg1.toString().replace(".", "")) * cm; |
||||
arg2 = Number(arg2.toString().replace(".", "")); |
||||
} |
||||
} else { |
||||
arg1 = Number(arg1.toString().replace(".", "")); |
||||
arg2 = Number(arg2.toString().replace(".", "")); |
||||
} |
||||
return (arg1 + arg2) / m; |
||||
} |
||||
}, |
||||
|
||||
// 给Number类型增加一个sub方法，调用起来更加方便。
|
||||
sub: function (num, arg) { |
||||
return accSub(num, arg); |
||||
|
||||
/** |
||||
** 减法函数，用来得到精确的减法结果 |
||||
** 说明：javascript的减法结果会有误差，在两个浮点数相减的时候会比较明显。这个函数返回较为精确的减法结果。 |
||||
** 调用：accSub(arg1,arg2) |
||||
** 返回值：arg1加上arg2的精确结果 |
||||
**/ |
||||
function accSub (arg1, arg2) { |
||||
var r1, r2, m, n; |
||||
try { |
||||
r1 = arg1.toString().split(".")[1].length; |
||||
} catch (e) { |
||||
r1 = 0; |
||||
} |
||||
try { |
||||
r2 = arg2.toString().split(".")[1].length; |
||||
} catch (e) { |
||||
r2 = 0; |
||||
} |
||||
m = Math.pow(10, Math.max(r1, r2)); // last modify by deeka //动态控制精度长度
|
||||
n = (r1 >= r2) ? r1 : r2; |
||||
return ((arg1 * m - arg2 * m) / m).toFixed(n); |
||||
} |
||||
}, |
||||
|
||||
// 给Number类型增加一个mul方法，调用起来更加方便。
|
||||
mul: function (num, arg) { |
||||
return accMul(arg, num); |
||||
|
||||
/** |
||||
** 乘法函数，用来得到精确的乘法结果 |
||||
** 说明：javascript的乘法结果会有误差，在两个浮点数相乘的时候会比较明显。这个函数返回较为精确的乘法结果。 |
||||
** 调用：accMul(arg1,arg2) |
||||
** 返回值：arg1乘以 arg2的精确结果 |
||||
**/ |
||||
function accMul (arg1, arg2) { |
||||
var m = 0, s1 = arg1.toString(), s2 = arg2.toString(); |
||||
try { |
||||
m += s1.split(".")[1].length; |
||||
} catch (e) { |
||||
} |
||||
try { |
||||
m += s2.split(".")[1].length; |
||||
} catch (e) { |
||||
} |
||||
return Number(s1.replace(".", "")) * Number(s2.replace(".", "")) / Math.pow(10, m); |
||||
} |
||||
}, |
||||
|
||||
// 给Number类型增加一个div方法，调用起来更加方便。
|
||||
div: function (num, arg) { |
||||
return accDivide(num, arg); |
||||
|
||||
/** |
||||
* Return digits length of a number |
||||
* @param {*number} num Input number |
||||
*/ |
||||
function digitLength (num) { |
||||
// Get digit length of e
|
||||
var eSplit = num.toString().split(/[eE]/); |
||||
var len = (eSplit[0].split(".")[1] || "").length - (+(eSplit[1] || 0)); |
||||
return len > 0 ? len : 0; |
||||
} |
||||
/** |
||||
* 把小数转成整数，支持科学计数法。如果是小数则放大成整数 |
||||
* @param {*number} num 输入数 |
||||
*/ |
||||
function float2Fixed (num) { |
||||
if (num.toString().indexOf("e") === -1) { |
||||
return Number(num.toString().replace(".", "")); |
||||
} |
||||
var dLen = digitLength(num); |
||||
return dLen > 0 ? num * Math.pow(10, dLen) : num; |
||||
} |
||||
|
||||
/** |
||||
* 精确乘法 |
||||
*/ |
||||
function times (num1, num2) { |
||||
var others = []; |
||||
for (var _i = 2; _i < arguments.length; _i++) { |
||||
others[_i - 2] = arguments[_i]; |
||||
} |
||||
if (others.length > 0) { |
||||
return times.apply(void 0, [times(num1, num2), others[0]].concat(others.slice(1))); |
||||
} |
||||
var num1Changed = float2Fixed(num1); |
||||
var num2Changed = float2Fixed(num2); |
||||
var baseNum = digitLength(num1) + digitLength(num2); |
||||
var leftValue = num1Changed * num2Changed; |
||||
return leftValue / Math.pow(10, baseNum); |
||||
} |
||||
|
||||
/** |
||||
* 精确除法 |
||||
*/ |
||||
function accDivide (num1, num2) { |
||||
var others = []; |
||||
for (var _i = 2; _i < arguments.length; _i++) { |
||||
others[_i - 2] = arguments[_i]; |
||||
} |
||||
if (others.length > 0) { |
||||
return accDivide.apply(void 0, [accDivide(num1, num2), others[0]].concat(others.slice(1))); |
||||
} |
||||
var num1Changed = float2Fixed(num1); |
||||
var num2Changed = float2Fixed(num2); |
||||
return times((num1Changed / num2Changed), Math.pow(10, digitLength(num2) - digitLength(num1))); |
||||
} |
||||
} |
||||
|
||||
}); |
||||
@ -0,0 +1,123 @@
|
||||
/** |
||||
* 对字符串对象的扩展 |
||||
* @class String |
||||
*/ |
||||
_.extend(BI, { |
||||
|
||||
/** |
||||
* 判断字符串是否已指定的字符串开始 |
||||
* @param str source字符串 |
||||
* @param {String} startTag 指定的开始字符串 |
||||
* @return {Boolean} 如果字符串以指定字符串开始则返回true，否则返回false |
||||
*/ |
||||
startWith: function (str, startTag) { |
||||
str = str || ""; |
||||
if (startTag == null || startTag == "" || str.length === 0 || startTag.length > str.length) { |
||||
return false; |
||||
} |
||||
return str.substr(0, startTag.length) == startTag; |
||||
}, |
||||
/** |
||||
* 判断字符串是否以指定的字符串结束 |
||||
* @param str source字符串 |
||||
* @param {String} endTag 指定的字符串 |
||||
* @return {Boolean} 如果字符串以指定字符串结束则返回true，否则返回false |
||||
*/ |
||||
endWith: function (str, endTag) { |
||||
if (endTag == null || endTag == "" || str.length === 0 || endTag.length > str.length) { |
||||
return false; |
||||
} |
||||
return str.substring(str.length - endTag.length) == endTag; |
||||
}, |
||||
|
||||
/** |
||||
* 获取url中指定名字的参数 |
||||
* @param str source字符串 |
||||
* @param {String} name 参数的名字 |
||||
* @return {String} 参数的值 |
||||
*/ |
||||
getQuery: function (str, name) { |
||||
var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)"); |
||||
var r = str.substr(str.indexOf("?") + 1).match(reg); |
||||
if (r) { |
||||
return unescape(r[2]); |
||||
} |
||||
return null; |
||||
}, |
||||
|
||||
/** |
||||
* 给url加上给定的参数 |
||||
* @param str source字符串 |
||||
* @param {Object} paras 参数对象，是一个键值对对象 |
||||
* @return {String} 添加了给定参数的url |
||||
*/ |
||||
appendQuery: function (str, paras) { |
||||
if (!paras) { |
||||
return str; |
||||
} |
||||
var src = str; |
||||
// 没有问号说明还没有参数
|
||||
if (src.indexOf("?") === -1) { |
||||
src += "?"; |
||||
} |
||||
// 如果以问号结尾，说明没有其他参数
|
||||
if (src.endWith("?") !== false) { |
||||
} else { |
||||
src += "&"; |
||||
} |
||||
_.each(paras, function (value, name) { |
||||
if (typeof(name) === "string") { |
||||
src += name + "=" + value + "&"; |
||||
} |
||||
}); |
||||
src = src.substr(0, src.length - 1); |
||||
return src; |
||||
}, |
||||
/** |
||||
* 将所有符合第一个字符串所表示的字符串替换成为第二个字符串 |
||||
* @param str source字符串 |
||||
* @param {String} s1 要替换的字符串的正则表达式 |
||||
* @param {String} s2 替换的结果字符串 |
||||
* @returns {String} 替换后的字符串 |
||||
*/ |
||||
replaceAll: function (str, s1, s2) { |
||||
return str.replace(new RegExp(s1, "gm"), s2); |
||||
}, |
||||
/** |
||||
* 总是让字符串以指定的字符开头 |
||||
* @param str source字符串 |
||||
* @param {String} start 指定的字符 |
||||
* @returns {String} 以指定字符开头的字符串 |
||||
*/ |
||||
perfectStart: function (str, start) { |
||||
if (str.startWith(start)) { |
||||
return str; |
||||
} |
||||
return start + str; |
||||
|
||||
}, |
||||
|
||||
/** |
||||
* 获取字符串中某字符串的所有项位置数组 |
||||
* @param str source字符串 |
||||
* @param {String} sub 子字符串 |
||||
* @return {Number[]} 子字符串在父字符串中出现的所有位置组成的数组 |
||||
*/ |
||||
allIndexOf: function (str, sub) { |
||||
if (typeof sub !== "string") { |
||||
return []; |
||||
} |
||||
var location = []; |
||||
var offset = 0; |
||||
while (str.length > 0) { |
||||
var loc = str.indexOf(sub); |
||||
if (loc === -1) { |
||||
break; |
||||
} |
||||
location.push(offset + loc); |
||||
str = str.substring(loc + sub.length, str.length); |
||||
offset += loc + sub.length; |
||||
} |
||||
return location; |
||||
} |
||||
}); |
||||
Loading…
Reference in new issue