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移动端utils方法

es6
imp 6 years ago
parent
8f1477a459
commit
0d266feb97
5 changed files with 594 additions and 118 deletions
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  1. 10
      Gruntfile.js
  2. 2
      dist/bundle.min.js
  3. 2
      dist/fineui.min.js
  4. 690
      dist/utils.js
  5. 6
      dist/utils.min.js

10
Gruntfile.js
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@ -176,11 +176,11 @@ module.exports = function (grunt) {
"src/core/foundation.js",
"src/core/lodash.js",
"src/core/var.js",
"src/core/proto/array.js",
"src/core/proto/number.js",
"src/core/proto/string.js",
"src/core/proto/date.js",
"src/core/proto/function.js",
"src/core/func/array.js",
"src/core/func/number.js",
"src/core/func/string.js",
"src/core/func/date.js",
"src/core/func/function.js",
"src/core/base.js",
"src/core/ob.js",
"src/core/alias.js",

2
dist/bundle.min.js vendored
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dist/fineui.min.js vendored
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690
dist/utils.js vendored
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@ -10245,148 +10245,624 @@ _.extend(BI, {
Stretch: "stretch"
},
StartOfWeek: 1
});if (!Number.prototype.toFixed || (0.00008).toFixed(3) !== "0.000" ||
(0.9).toFixed(0) === "0" || (1.255).toFixed(2) !== "1.25" ||
(1000000000000000128).toFixed(0) !== "1000000000000000128") {
(function () {
var base, size, data, i;
base = 1e7;
size = 6;
data = [0, 0, 0, 0, 0, 0];
function multiply (n, c) {
var i = -1;
while (++i < size) {
c += n * data[i];
data[i] = c % base;
c = Math.floor(c / base);
}
}
function divide (n) {
var i = size, c = 0;
while (--i >= 0) {
c += data[i];
data[i] = Math.floor(c / n);
c = (c % n) * base;
}
}
function toString () {
var i = size;
var s = "";
while (--i >= 0) {
if (s !== "" || i === 0 || data[i] !== 0) {
var t = String(data[i]);
if (s === "") {
s = t;
} else {
s += "0000000".slice(0, 7 - t.length) + t;
}
});/**
* 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(sArray, obj)) {
sArray.push(obj);
}
},
pushDistinctArray: function (sArray, array) {
for (var i = 0, len = array.length; i < len; i++) {
BI.pushDistinct(sArray, array[i]);
}
}
});
_.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 s;
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);
function pow (x, n, acc) {
return (n === 0 ? acc : (n % 2 === 1 ? pow(x, n - 1, acc * x)
: pow(x * x, n / 2, acc)));
/**
** 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);
function log (x) {
var n = 0;
while (x >= 4096) {
n += 12;
x /= 4096;
/**
** 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) {
}
while (x >= 2) {
n += 1;
x /= 2;
try {
m += s2.split(".")[1].length;
} catch (e) {
}
return n;
return Number(s1.replace(".", "")) * Number(s2.replace(".", "")) / Math.pow(10, m);
}
},
Number.prototype.toFixed = function (fractionDigits) {
var f, x, s, m, e, z, j, k;
f = Number(fractionDigits);
f = f !== f ? 0 : Math.floor(f);
// 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);
if (f < 0 || f > 20) {
throw new RangeError("Number.toFixed called with invalid number of decimals");
/**
* 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;
}
x = Number(this);
/**
* 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);
}
if (x !== x) {
return "NaN";
/**
* 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)));
}
}
});/**
* 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;
},
if (x <= -1e21 || x > 1e21) {
return String(x);
/**
* 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;
s = "";
},
if (x < 0) {
s = "-";
x = -x;
/**
* 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;
}
});/** 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;
m = "0";
_.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, "");
},
if (x > 1e-21) {
// 1e-21<x<1e21
// -70<log2(x)<70
e = log(x * pow(2, 69, 1)) - 69;
z = (e < 0 ? x * pow(2, -e, 1) : x / pow(2, e, 1));
z *= 0x10000000000000;// Math.pow(2,52);
e = 52 - e;
/** 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];
// -18<e<122
// x=z/2^e
if (e > 0) {
multiply(0, z);
j = f;
},
while (j >= 7) {
multiply(1e7, 0);
j -= 7;
}
/**
* 获取每月的最后一天
* @returns {Date}
*/
getLastDateOfMonth: function (date) {
return BI.getDate(date.getFullYear(), date.getMonth(), BI.getMonthDays(date));
},
multiply(pow(10, j, 1), 0);
j = e - 1;
/** 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);
},
while (j >= 23) {
divide(1 << 23);
j -= 23;
}
divide(1 << j);
multiply(1, 1);
divide(2);
m = toString();
} else {
multiply(0, z);
multiply(1 << (-e), 0);
m = toString() + "0.00000000000000000000".slice(2, 2 + f);
}
/** 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;
}
});
/**
* 基本的函数
* Created by GUY on 2015/6/24.
*/
BI.Func = {};
BI.extend(BI.Func, {
/**
* 创建唯一的名字
* @param array
* @param name
* @returns {*}
*/
createDistinctName: function (array, name) {
var src = name, idx = 1;
name = name || "";
while (true) {
if (BI.every(array, function (i, item) {
return item.name !== name;
})) {
break;
}
name = src + (idx++);
}
return name;
},
/**
* 获取搜索结果
* @param items
* @param keyword
* @param param 搜索哪个属性
*/
getSearchResult: function (items, keyword, param) {
var isArray = BI.isArray(items);
items = isArray ? BI.flatten(items) : items;
param || (param = "text");
if (!BI.isKey(keyword)) {
return {
find: BI.deepClone(items),
match: isArray ? [] : {}
};
}
var t, text, py;
keyword = BI.toUpperCase(keyword);
var matched = isArray ? [] : {}, find = isArray ? [] : {};
BI.each(items, function (i, item) {
item = BI.deepClone(item);
t = BI.stripEL(item);
text = BI.find([t[param], t.text, t.value, t.name, t], function (index, val) {
return BI.isNotNull(val);
});
if (f > 0) {
k = m.length;
if (BI.isNull(text) || BI.isObject(text)) return;
if (k <= f) {
m = s + "0.0000000000000000000".slice(0, f - k + 2) + m;
py = BI.makeFirstPY(text);
text = BI.toUpperCase(text);
py = BI.toUpperCase(py);
var pidx;
if (text.indexOf(keyword) > -1) {
if (text === keyword) {
isArray ? matched.push(item) : (matched[i] = item);
} else {
m = s + m.slice(0, k - f) + "." + m.slice(k - f);
isArray ? find.push(item) : (find[i] = item);
}
} else if (pidx = py.indexOf(keyword), (pidx > -1 && Math.floor(pidx / text.length) === Math.floor((pidx + keyword.length - 1) / text.length))) {
if (text === keyword || keyword.length === text.length) {
isArray ? matched.push(item) : (matched[i] = item);
} else {
isArray ? find.push(item) : (find[i] = item);
}
} else {
m = s + m;
}
});
return {
match: matched,
find: find
};
}
});
return m;
_.extend(BI, {
beforeFunc: function (sFunc, func) {
var __self = sFunc;
return function () {
if (func.apply(sFunc, arguments) === false) {
return false;
}
return __self.apply(sFunc, arguments);
};
},
})();
}/**
afterFunc: function (func) {
var __self = sFunc;
return function () {
var ret = __self.apply(sFunc, arguments);
if (ret === false) {
return false;
}
func.apply(sFunc, arguments);
return ret;
};
}
});/**
* 基本函数
* Create By GUY 2014\11\17
*

6
dist/utils.min.js vendored
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