(function () {
if (!window.BI) {
window.BI = {};
}
function isEmpty (value) {
// 判断是否为空值
var result = value === "" || value === null || value === undefined;
return result;
}
// 判断是否是无效的日期
function isInvalidDate (date) {
return date == "Invalid Date" || date == "NaN";
}
/**
* 科学计数格式
*/
function _eFormat (text, fmt) {
var e = fmt.indexOf("E");
var eleft = fmt.substr(0, e), eright = fmt.substr(e + 1);
if (/^[0\.-]+$/.test(text)) {
text = BI._numberFormat(0.0, eleft) + "E" + BI._numberFormat(0, eright);
} else {
var isNegative = text < 0;
if (isNegative) {
text = text.substr(1);
}
var elvl = (eleft.split(".")[0] || "").length;
var point = text.indexOf(".");
if (point < 0) {
point = text.length;
}
var i = 0; // 第一个不为0的数的位置
text = text.replace(".", "");
for (var len = text.length; i < len; i++) {
var ech = text.charAt(i);
if (ech <= "9" && ech >= "1") {
break;
}
}
var right = point - i - elvl;
var left = text.substr(i, elvl);
var dis = i + elvl - text.length;
if (dis > 0) {
// 末位补全0
for (var k = 0; k < dis; k++) {
left += "0";
}
} else {
left += "." + text.substr(i + elvl);
}
left = left.replace(/^[0]+/, "");
if (right < 0 && eright.indexOf("-") < 0) {
eright += ";-" + eright;
}
text = BI._numberFormat(left, eleft) + "E" + BI._numberFormat(right, eright);
if (isNegative) {
text = "-" + text;
}
}
return text;
}
/**
* 数字格式
*/
function _numberFormat (text, format) {
var text = text + "";
// 数字格式，区分正负数
var numMod = format.indexOf(";");
if (numMod > -1) {
if (text >= 0) {
return _numberFormat(text + "", format.substring(0, numMod));
}
return _numberFormat((-text) + "", format.substr(numMod + 1));
}
// 兼容格式处理负数的情况(copy:fr-jquery.format.js)
if (+text < 0 && format.charAt(0) !== "-") {
return _numberFormat((-text) + "", "-" + format);
}
var tp = text.split("."), fp = format.split("."),
tleft = tp[0] || "", fleft = fp[0] || "",
tright = tp[1] || "", fright = fp[1] || "";
// 百分比,千分比的小数点移位处理
if (/[%‰]$/.test(format)) {
var paddingZero = /[%]$/.test(format) ? "00" : "000";
tright += paddingZero;
tleft += tright.substr(0, paddingZero.length);
tleft = tleft.replace(/^0+/gi, "");
tright = tright.substr(paddingZero.length).replace(/0+$/gi, "");
}
var right = _dealWithRight(tright, fright);
if (right.leftPlus) {
// 小数点后有进位
tleft = parseInt(tleft) + 1 + "";
tleft = isNaN(tleft) ? "1" : tleft;
}
right = right.num;
var left = _dealWithLeft(tleft, fleft);
if (!(/[0-9]/.test(left))) {
left = left + "0";
}
if (!(/[0-9]/.test(right))) {
return left + right;
}
return left + "." + right;
}
/**
* 处理小数点右边小数部分
* @param tright 右边内容
* @param fright 右边格式
* @returns {JSON} 返回处理结果和整数部分是否需要进位
* @private
*/
function _dealWithRight (tright, fright) {
var right = "", j = 0, i = 0;
for (var len = fright.length; i < len; i++) {
var ch = fright.charAt(i);
var c = tright.charAt(j);
switch (ch) {
case "0":
if (isEmpty(c)) {
c = "0";
}
right += c;
j++;
break;
case "#":
right += c;
j++;
break;
default :
right += ch;
break;
}
}
var rll = tright.substr(j);
var result = {};
if (!isEmpty(rll) && rll.charAt(0) > 4) {
// 有多余字符，需要四舍五入
result.leftPlus = true;
var numReg = right.match(/^[0-9]+/);
if (numReg) {
var num = numReg[0];
var orilen = num.length;
var newnum = parseInt(num) + 1 + "";
// 进位到整数部分
if (newnum.length > orilen) {
newnum = newnum.substr(1);
} else {
newnum = String.leftPad(newnum, orilen, "0");
result.leftPlus = false;
}
right = right.replace(/^[0-9]+/, newnum);
}
}
result.num = right;
return result;
}
/**
* 处理小数点左边整数部分
* @param tleft 左边内容
* @param fleft 左边格式
* @returns {string} 返回处理结果
* @private
*/
function _dealWithLeft (tleft, fleft) {
var left = "";
var j = tleft.length - 1;
var combo = -1, last = -1;
var i = fleft.length - 1;
for (; i >= 0; i--) {
var ch = fleft.charAt(i);
var c = tleft.charAt(j);
switch (ch) {
case "0":
if (isEmpty(c)) {
c = "0";
}
last = -1;
left = c + left;
j--;
break;
case "#":
last = i;
left = c + left;
j--;
break;
case ",":
if (!isEmpty(c)) {
// 计算一个,分隔区间的长度
var com = fleft.match(/,[#0]+/);
if (com) {
combo = com[0].length - 1;
}
left = "," + left;
}
break;
default :
left = ch + left;
break;
}
}
if (last > -1) {
// 处理剩余字符
var tll = tleft.substr(0, j + 1);
left = left.substr(0, last) + tll + left.substr(last);
}
if (combo > 0) {
// 处理,分隔区间
var res = left.match(/[0-9]+,/);
if (res) {
res = res[0];
var newstr = "", n = res.length - 1 - combo;
for (; n >= 0; n = n - combo) {
newstr = res.substr(n, combo) + "," + newstr;
}
var lres = res.substr(0, n + combo);
if (!isEmpty(lres)) {
newstr = lres + "," + newstr;
}
}
left = left.replace(/[0-9]+,/, newstr);
}
return left;
}
BI.cjkEncode = function (text) {
// alex:如果非字符串,返回其本身(cjkEncode(234) 返回 ""是不对的)
if (typeof text !== "string") {
return text;
}
var newText = "";
for (var i = 0; i < text.length; i++) {
var code = text.charCodeAt(i);
if (code >= 128 || code === 91 || code === 93) {// 91 is "[", 93 is "]".
newText += "[" + code.toString(16) + "]";
} else {
newText += text.charAt(i);
}
}
return newText;
};
/**
* 将cjkEncode处理过的字符串转化为原始字符串
*
* @static
* @param text 需要做解码的字符串
* @return {String} 解码后的字符串
*/
BI.cjkDecode = function (text) {
if (text == null) {
return "";
}
// 查找没有 "[", 直接返回. kunsnat:数字的时候, 不支持indexOf方法, 也是直接返回.
if (!isNaN(text) || text.indexOf("[") == -1) {
return text;
}
var newText = "";
for (var i = 0; i < text.length; i++) {
var ch = text.charAt(i);
if (ch == "[") {
var rightIdx = text.indexOf("]", i + 1);
if (rightIdx > i + 1) {
var subText = text.substring(i + 1, rightIdx);
// james：主要是考虑[CDATA[]]这样的值的出现
if (subText.length > 0) {
ch = String.fromCharCode(eval("0x" + subText));
}
i = rightIdx;
}
}
newText += ch;
}
return newText;
};
// replace the html special tags
BI.htmlEncode = function (text) {
return (text == null) ? '' : String(text).replace(/&/g, '&').replace(/\"/g, '"').replace(/</g, '<').replace(/>/g, '>').replace(/\s/g, ' ');
};
// html decode
BI.htmlDecode = function (text) {
return (text == null) ? "" : String(text).replace(/&/g, "&").replace(/"/g, "\"").replace(/</g, "<").replace(/>/g, ">").replace(/ /g, " ");
};
BI.cjkEncodeDO = function (o) {
if (BI.isPlainObject(o)) {
var result = {};
_.each(o, function (v, k) {
if (!(typeof v === "string")) {
v = BI.jsonEncode(v);
}
// wei:bug 43338，如果key是中文，cjkencode后o的长度就加了1，ie9以下版本死循环，所以新建对象result。
k = BI.cjkEncode(k);
result[k] = BI.cjkEncode(v);
});
return result;
}
return o;
};
BI.jsonEncode = function (o) {
// james:这个Encode是抄的EXT的
var useHasOwn = !!{}.hasOwnProperty;
// crashes Safari in some instances
// var validRE = /^("(\\.|[^"\\\n\r])*?"|[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t])+?$/;
var m = {
"\b": "\\b",
"\t": "\\t",
"\n": "\\n",
"\f": "\\f",
"\r": "\\r",
"\"": "\\\"",
"\\": "\\\\"
};
var encodeString = function (s) {
if (/["\\\x00-\x1f]/.test(s)) {
return "\"" + s.replace(/([\x00-\x1f\\"])/g, function (a, b) {
var c = m[b];
if (c) {
return c;
}
c = b.charCodeAt();
return "\\u00" +
Math.floor(c / 16).toString(16) +
(c % 16).toString(16);
}) + "\"";
}
return "\"" + s + "\"";
};
var encodeArray = function (o) {
var a = ["["], b, i, l = o.length, v;
for (i = 0; i < l; i += 1) {
v = o[i];
switch (typeof v) {
case "undefined":
case "function":
case "unknown":
break;
default:
if (b) {
a.push(",");
}
a.push(v === null ? "null" : BI.jsonEncode(v));
b = true;
}
}
a.push("]");
return a.join("");
};
if (typeof o === "undefined" || o === null) {
return "null";
} else if (BI.isArray(o)) {
return encodeArray(o);
} else if (o instanceof Date) {
/*
* alex:原来只是把年月日时分秒简单地拼成一个String,无法decode
* 现在这么处理就可以decode了,但是JS.jsonDecode和Java.JSONObject也要跟着改一下
*/
return BI.jsonEncode({
__time__: o.getTime()
});
} else if (typeof o === "string") {
return encodeString(o);
} else if (typeof o === "number") {
return isFinite(o) ? String(o) : "null";
} else if (typeof o === "boolean") {
return String(o);
} else if (BI.isFunction(o)) {
return String(o);
}
var a = ["{"], b, i, v;
for (i in o) {
if (!useHasOwn || o.hasOwnProperty(i)) {
v = o[i];
switch (typeof v) {
case "undefined":
case "unknown":
break;
default:
if (b) {
a.push(",");
}
a.push(BI.jsonEncode(i), ":",
v === null ? "null" : BI.jsonEncode(v));
b = true;
}
}
}
a.push("}");
return a.join("");
};
BI.jsonDecode = function (text) {
try {
// 注意0啊
// var jo = $.parseJSON(text) || {};
var jo = $ ? $.parseJSON(text): window.JSON.parse(text);
if (jo == null) {
jo = {};
}
} catch (e) {
/*
* richie:浏览器只支持标准的JSON字符串转换，而jQuery会默认调用浏览器的window.JSON.parse()函数进行解析
* 比如：var str = "{'a':'b'}",这种形式的字符串转换为JSON就会抛异常
*/
try {
jo = new Function("return " + text)() || {};
} catch (e) {
// do nothing
}
if (jo == null) {
jo = [];
}
}
if (!_hasDateInJson(text)) {
return jo;
}
function _hasDateInJson (json) {
if (!json || typeof json !== "string") {
return false;
}
return json.indexOf("__time__") != -1;
}
return (function (o) {
if (typeof o === "string") {
return o;
}
if (o && o.__time__ != null) {
return new Date(o.__time__);
}
for (var a in o) {
if (o[a] == o || typeof o[a] === "object" || _.isFunction(o[a])) {
break;
}
o[a] = arguments.callee(o[a]);
}
return o;
})(jo);
};
BI.contentFormat = function (cv, fmt) {
if (isEmpty(cv)) {
// 原值为空，返回空字符
return "";
}
var text = cv.toString();
if (isEmpty(fmt)) {
// 格式为空，返回原字符
return text;
}
if (fmt.match(/^T/)) {
// T - 文本格式
return text;
} else if (fmt.match(/^D/)) {
// D - 日期(时间)格式
if (!(cv instanceof Date)) {
if (typeof cv === "number") {
// 毫秒数类型
cv = new Date(cv);
} else {
// 字符串类型，如yyyyMMdd、MMddyyyy等这样无分隔符的结构
cv = Date.parseDate(cv + "", Date.patterns.ISO8601Long);
}
}
if (!BI.isNull(cv)) {
var needTrim = fmt.match(/^DT/);
text = BI.date2Str(cv, fmt.substring(needTrim ? 2 : 1));
}
} else if (fmt.match(/E/)) {
// 科学计数格式
text = _eFormat(text, fmt);
} else {
// 数字格式
text = _numberFormat(text, fmt);
}
// ¤ - 货币格式
text = text.replace(/¤/g, "￥");
return text;
};
/**
* 把日期对象按照指定格式转化成字符串
*
* @example
* var date = new Date('Thu Dec 12 2013 00:00:00 GMT+0800');
* var result = BI.date2Str(date, 'yyyy-MM-dd');//2013-12-12
*
* @class BI.date2Str
* @param date 日期
* @param format 日期格式
* @returns {String}
*/
BI.date2Str = function (date, format) {
if (!date) {
return "";
}
// O(len(format))
var len = format.length, result = "";
if (len > 0) {
var flagch = format.charAt(0), start = 0, str = flagch;
for (var i = 1; i < len; i++) {
var ch = format.charAt(i);
if (flagch !== ch) {
result += compileJFmt({
char: flagch,
str: str,
len: i - start
}, date);
flagch = ch;
start = i;
str = flagch;
} else {
str += ch;
}
}
result += compileJFmt({
char: flagch,
str: str,
len: len - start
}, date);
}
return result;
function compileJFmt (jfmt, date) {
var str = jfmt.str, len = jfmt.len, ch = jfmt["char"];
switch (ch) {
case "E": // 星期
str = Date._DN[date.getDay()];
break;
case "y": // 年
if (len <= 3) {
str = (date.getFullYear() + "").slice(2, 4);
} else {
str = date.getFullYear();
}
break;
case "M": // 月
if (len > 2) {
str = Date._MN[date.getMonth()];
} else if (len < 2) {
str = date.getMonth() + 1;
} else {
str = String.leftPad(date.getMonth() + 1 + "", 2, "0");
}
break;
case "d": // 日
if (len > 1) {
str = String.leftPad(date.getDate() + "", 2, "0");
} else {
str = date.getDate();
}
break;
case "h": // 时(12)
var hour = date.getHours() % 12;
if (hour === 0) {
hour = 12;
}
if (len > 1) {
str = String.leftPad(hour + "", 2, "0");
} else {
str = hour;
}
break;
case "H": // 时(24)
if (len > 1) {
str = String.leftPad(date.getHours() + "", 2, "0");
} else {
str = date.getHours();
}
break;
case "m":
if (len > 1) {
str = String.leftPad(date.getMinutes() + "", 2, "0");
} else {
str = date.getMinutes();
}
break;
case "s":
if (len > 1) {
str = String.leftPad(date.getSeconds() + "", 2, "0");
} else {
str = date.getSeconds();
}
break;
case "a":
str = date.getHours() < 12 ? "am" : "pm";
break;
case "z":
str = date.getTimezone();
break;
default:
str = jfmt.str;
break;
}
return str;
}
};
BI.object2Number = function (value) {
if (value == null) {
return 0;
}
if (typeof value === "number") {
return value;
}
var str = value + "";
if (str.indexOf(".") === -1) {
return parseInt(str);
}
return parseFloat(str);
};
BI.object2Date = function (obj) {
if (obj == null) {
return new Date();
}
if (obj instanceof Date) {
return obj;
} else if (typeof obj === "number") {
return new Date(obj);
}
var str = obj + "";
str = str.replace(/-/g, "/");
var dt = new Date(str);
if (!isInvalidDate(dt)) {
return dt;
}
return new Date();
};
BI.object2Time = function (obj) {
if (obj == null) {
return new Date();
}
if (obj instanceof Date) {
return obj;
}
var str = obj + "";
str = str.replace(/-/g, "/");
var dt = new Date(str);
if (!isInvalidDate(dt)) {
return dt;
}
if (str.indexOf("/") === -1 && str.indexOf(":") !== -1) {
dt = new Date("1970/01/01 " + str);
if (!isInvalidDate(dt)) {
return dt;
}
}
dt = BI.str2Date(str, "HH:mm:ss");
if (!isInvalidDate(dt)) {
return dt;
}
return new Date();
};
})();