|
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|
@ -5,178 +5,59 @@
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return result; |
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} |
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BI.cjkEncode = function (text) { |
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// alex:如果非字符串,返回其本身(cjkEncode(234) 返回 ""是不对的)
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if (typeof text !== 'string') { |
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return text; |
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// 判断是否是无效的日期
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function isInvalidDate(date) { |
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return date == "Invalid Date" || date == "NaN"; |
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} |
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var newText = ""; |
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for (var i = 0; i < text.length; i++) { |
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var code = text.charCodeAt(i); |
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if (code >= 128 || code === 91 || code === 93) {//91 is "[", 93 is "]".
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newText += "[" + code.toString(16) + "]"; |
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/** |
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* 科学计数格式 |
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*/ |
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function _eFormat(text, fmt) { |
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var e = fmt.indexOf("E"); |
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var eleft = fmt.substr(0, e), eright = fmt.substr(e + 1); |
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if (/^[0\.-]+$/.test(text)) { |
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text = BI._numberFormat(0.0, eleft) + 'E' + BI._numberFormat(0, eright) |
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} else { |
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newText += text.charAt(i); |
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} |
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} |
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return newText |
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}; |
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BI.cjkEncodeDO = function (o) { |
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if (BI.isPlainObject(o)) { |
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var result = {}; |
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$.each(o, function (k, v) { |
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if (!(typeof v == "string")) { |
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v = BI.jsonEncode(v); |
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} |
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//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。
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k = BI.cjkEncode(k); |
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result[k] = BI.cjkEncode(v); |
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}); |
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return result; |
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} |
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return o; |
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}; |
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BI.jsonEncode = function (o) { |
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//james:这个Encode是抄的EXT的
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var useHasOwn = {}.hasOwnProperty ? true : false; |
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// crashes Safari in some instances
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//var validRE = /^("(\\.|[^"\\\n\r])*?"|[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t])+?$/;
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var m = { |
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"\b": '\\b', |
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"\t": '\\t', |
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"\n": '\\n', |
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"\f": '\\f', |
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"\r": '\\r', |
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'"': '\\"', |
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"\\": '\\\\' |
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}; |
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var encodeString = function (s) { |
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if (/["\\\x00-\x1f]/.test(s)) { |
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return '"' + s.replace(/([\x00-\x1f\\"])/g, function (a, b) { |
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|
var c = m[b]; |
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|
if (c) { |
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return c; |
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var isNegative = text < 0; |
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|
if (isNegative) { |
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text = text.substr(1); |
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} |
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c = b.charCodeAt(); |
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|
return "\\u00" + |
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Math.floor(c / 16).toString(16) + |
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(c % 16).toString(16); |
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}) + '"'; |
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|
var elvl = (eleft.split('.')[0] || '').length; |
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var point = text.indexOf("."); |
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|
if (point < 0) { |
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point = text.length; |
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} |
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return '"' + s + '"'; |
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}; |
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var encodeArray = function (o) { |
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var a = ["["], b, i, l = o.length, v; |
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for (i = 0; i < l; i += 1) { |
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v = o[i]; |
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|
switch (typeof v) { |
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|
case "undefined": |
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|
case "function": |
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|
case "unknown": |
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var i = 0; //第一个不为0的数的位置
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text = text.replace('.', ''); |
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for (var len = text.length; i < len; i++) { |
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|
var ech = text.charAt(i); |
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|
if (ech <= '9' && ech >= '1') { |
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break; |
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default: |
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if (b) { |
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a.push(','); |
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} |
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a.push(v === null ? "null" : BI.jsonEncode(v)); |
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b = true; |
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} |
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var right = point - i - elvl; |
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|
var left = text.substr(i, elvl); |
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|
var dis = i + elvl - text.length; |
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if (dis > 0) { |
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|
//末位补全0
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for (var k = 0; k < dis; k++) { |
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left += '0'; |
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} |
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a.push("]"); |
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|
return a.join(""); |
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}; |
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|
if (typeof o == "undefined" || o === null) { |
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|
return "null"; |
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|
} else if (BI.isArray(o)) { |
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|
return encodeArray(o); |
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|
} else if (o instanceof Date) { |
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|
/* |
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|
* alex:原来只是把年月日时分秒简单地拼成一个String,无法decode |
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* 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 |
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*/ |
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|
return BI.jsonEncode({ |
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|
__time__: o.getTime() |
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}) |
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|
} else if (typeof o == "string") { |
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|
return encodeString(o); |
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|
} else if (typeof o == "number") { |
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|
return isFinite(o) ? String(o) : "null"; |
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|
} else if (typeof o == "boolean") { |
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|
return String(o); |
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|
} else if (BI.isFunction(o)) { |
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|
return String(o); |
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|
} else { |
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|
var a = ["{"], b, i, v; |
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|
for (i in o) { |
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|
if (!useHasOwn || o.hasOwnProperty(i)) { |
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|
v = o[i]; |
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|
|
switch (typeof v) { |
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|
|
case "undefined": |
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|
case "unknown": |
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|
break; |
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default: |
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|
if (b) { |
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a.push(','); |
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} |
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|
a.push(BI.jsonEncode(i), ":", |
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|
v === null ? "null" : BI.jsonEncode(v)); |
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b = true; |
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|
} |
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|
left += '.' + text.substr(i + elvl); |
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|
} |
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|
left = left.replace(/^[0]+/, ''); |
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if (right < 0 && eright.indexOf('-') < 0) { |
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|
eright += ';-' + eright; |
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} |
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|
a.push("}"); |
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|
return a.join(""); |
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|
text = BI._numberFormat(left, eleft) + 'E' + BI._numberFormat(right, eright); |
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|
|
if (isNegative) { |
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|
text = '-' + text; |
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|
} |
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|
}; |
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|
BI.contentFormat = function (cv, fmt) { |
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|
|
if (isEmpty(cv)) { |
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|
|
//原值为空，返回空字符
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|
return ''; |
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|
} |
|
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|
|
var text = cv.toString(); |
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|
|
if (isEmpty(fmt)) { |
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|
|
//格式为空，返回原字符
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|
|
return text; |
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|
} |
|
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|
|
if (fmt.match(/^T/)) { |
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|
|
//T - 文本格式
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|
|
return text; |
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|
} else if (fmt.match(/^D/)) { |
|
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|
|
//D - 日期(时间)格式
|
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|
|
if (!(cv instanceof Date)) { |
|
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|
|
if (typeof cv === 'number') { |
|
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|
|
//毫秒数类型
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|
|
cv = new Date(cv); |
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|
} else { |
|
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|
|
//字符串类型，如yyyyMMdd、MMddyyyy等这样无分隔符的结构
|
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|
|
cv = Date.parseDate(cv + "", Date.patterns.ISO8601Long); |
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|
} |
|
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|
|
} |
|
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|
|
if (!BI.isNull(cv)) { |
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|
var needTrim = fmt.match(/^DT/); |
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|
text = BI.date2Str(cv, fmt.substring(needTrim ? 2 : 1)); |
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|
} |
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|
|
} else if (fmt.match(/E/)) { |
|
|
|
|
//科学计数格式
|
|
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|
|
text = BI._eFormat(text, fmt); |
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|
|
} else { |
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|
|
//数字格式
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|
|
text = BI._numberFormat(text, fmt); |
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|
} |
|
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|
|
//¤ - 货币格式
|
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|
|
text = text.replace(/¤/g, '￥'); |
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|
|
return text; |
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|
|
}; |
|
|
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|
|
|
|
|
|
/** |
|
|
|
|
* 把日期对象按照指定格式转化成字符串 |
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|
|
@ -190,7 +71,7 @@
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|
* @param format 日期格式 |
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|
* @returns {String} |
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|
*/ |
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|
|
date2Str = function (date, format) { |
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|
|
function date2Str(date, format) { |
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|
|
if (!date) { |
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|
return ''; |
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|
} |
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|
|
@ -299,15 +180,15 @@
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|
|
/** |
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|
|
* 数字格式 |
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|
*/ |
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|
|
BI._numberFormat = function (text, format) { |
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|
|
function _numberFormat(text, format) { |
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|
|
var text = text + ''; |
|
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|
|
//数字格式，区分正负数
|
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|
|
var numMod = format.indexOf(';'); |
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|
|
if (numMod > -1) { |
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|
|
if (text >= 0) { |
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|
|
return BI._numberFormat(text + "", format.substring(0, numMod)); |
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|
|
return _numberFormat(text + "", format.substring(0, numMod)); |
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|
|
} else { |
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|
return BI._numberFormat((-text) + "", format.substr(numMod + 1)); |
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|
|
return _numberFormat((-text) + "", format.substr(numMod + 1)); |
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|
} |
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|
} |
|
|
|
|
var tp = text.split('.'), fp = format.split('.'), |
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|
|
@ -321,7 +202,7 @@
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|
|
tleft = tleft.replace(/^0+/gi, ''); |
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|
|
tright = tright.substr(paddingZero.length).replace(/0+$/gi, ''); |
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|
|
} |
|
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|
|
var right = BI._dealWithRight(tright, fright); |
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|
|
var right = _dealWithRight(tright, fright); |
|
|
|
|
if (right.leftPlus) { |
|
|
|
|
//小数点后有进位
|
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|
|
tleft = parseInt(tleft) + 1 + ''; |
|
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|
|
@ -329,7 +210,7 @@
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|
|
tleft = isNaN(tleft) ? '1' : tleft; |
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|
|
} |
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|
|
right = right.num; |
|
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|
|
var left = BI._dealWithLeft(tleft, fleft); |
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|
|
var left = _dealWithLeft(tleft, fleft); |
|
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|
|
if (!(/[0-9]/.test(left))) { |
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|
|
left = left + '0'; |
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|
|
} |
|
|
|
|
@ -346,7 +227,7 @@
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|
|
* @returns {JSON} 返回处理结果和整数部分是否需要进位 |
|
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|
|
* @private |
|
|
|
|
*/ |
|
|
|
|
BI._dealWithRight = function (tright, fright) { |
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|
|
|
function _dealWithRight(tright, fright) { |
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|
|
var right = '', j = 0, i = 0; |
|
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|
|
for (var len = fright.length; i < len; i++) { |
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|
|
var ch = fright.charAt(i); |
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|
|
|
@ -377,7 +258,7 @@
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|
|
|
if (numReg) { |
|
|
|
|
var num = numReg[0]; |
|
|
|
|
var orilen = num.length; |
|
|
|
|
var newnum = BI.parseINT(num) + 1 + ''; |
|
|
|
|
var newnum = BI.parseInt(num) + 1 + ''; |
|
|
|
|
//进位到整数部分
|
|
|
|
|
if (newnum.length > orilen) { |
|
|
|
|
newnum = newnum.substr(1); |
|
|
|
|
@ -390,22 +271,7 @@
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|
|
} |
|
|
|
|
result.num = right; |
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|
|
return result; |
|
|
|
|
}; |
|
|
|
|
|
|
|
|
|
BI.parseINT = function (str) { |
|
|
|
|
return parseInt(str, 10); |
|
|
|
|
}; |
|
|
|
|
|
|
|
|
|
BI.leftPad = function (val, size, ch) { |
|
|
|
|
var result = String(val); |
|
|
|
|
if (!ch) { |
|
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|
|
ch = " "; |
|
|
|
|
} |
|
|
|
|
while (result.length < size) { |
|
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|
|
result = ch + result; |
|
|
|
|
} |
|
|
|
|
return result.toString(); |
|
|
|
|
}; |
|
|
|
|
|
|
|
|
|
/** |
|
|
|
|
* 处理小数点左边整数部分 |
|
|
|
|
@ -414,7 +280,7 @@
|
|
|
|
|
* @returns {string} 返回处理结果 |
|
|
|
|
* @private |
|
|
|
|
*/ |
|
|
|
|
BI._dealWithLeft = function (tleft, fleft) { |
|
|
|
|
function _dealWithLeft(tleft, fleft) { |
|
|
|
|
var left = ''; |
|
|
|
|
var j = tleft.length - 1; |
|
|
|
|
var combo = -1, last = -1; |
|
|
|
|
@ -473,6 +339,242 @@
|
|
|
|
|
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 |
|
|
|
|
}; |
|
|
|
|
|
|
|
|
|
BI.cjkEncodeDO = function (o) { |
|
|
|
|
if (BI.isPlainObject(o)) { |
|
|
|
|
var result = {}; |
|
|
|
|
$.each(o, function (k, v) { |
|
|
|
|
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 ? true : false; |
|
|
|
|
|
|
|
|
|
// 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); |
|
|
|
|
} else { |
|
|
|
|
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); |
|
|
|
|
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; |
|
|
|
|
}; |
|
|
|
|
|
|
|
|
|
BI.leftPad = function (val, size, ch) { |
|
|
|
|
var result = String(val); |
|
|
|
|
if (!ch) { |
|
|
|
|
ch = " "; |
|
|
|
|
} |
|
|
|
|
while (result.length < size) { |
|
|
|
|
result = ch + result; |
|
|
|
|
} |
|
|
|
|
return result.toString(); |
|
|
|
|
}; |
|
|
|
|
|
|
|
|
|
BI.object2Number = function (value) { |
|
|
|
|
@ -503,7 +605,7 @@
|
|
|
|
|
var str = obj + ""; |
|
|
|
|
str = str.replace(/-/g, '/'); |
|
|
|
|
var dt = new Date(str); |
|
|
|
|
if (!BI.isInvalidDate(dt)) { |
|
|
|
|
if (!isInvalidDate(dt)) { |
|
|
|
|
return dt; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
@ -511,10 +613,6 @@
|
|
|
|
|
} |
|
|
|
|
}; |
|
|
|
|
|
|
|
|
|
BI.isArray = function (a) { |
|
|
|
|
return Object.prototype.toString.call(a) == '[object Array]'; |
|
|
|
|
}; |
|
|
|
|
|
|
|
|
|
BI.object2Time = function (obj) { |
|
|
|
|
if (obj == null) { |
|
|
|
|
return new Date(); |
|
|
|
|
@ -525,75 +623,20 @@
|
|
|
|
|
var str = obj + ""; |
|
|
|
|
str = str.replace(/-/g, '/'); |
|
|
|
|
var dt = new Date(str); |
|
|
|
|
if (!BI.isInvalidDate(dt)) { |
|
|
|
|
if (!isInvalidDate(dt)) { |
|
|
|
|
return dt; |
|
|
|
|
} |
|
|
|
|
if (str.indexOf('/') === -1 && str.indexOf(':') !== -1) { |
|
|
|
|
dt = new Date("1970/01/01 " + str); |
|
|
|
|
if (!BI.isInvalidDate(dt)) { |
|
|
|
|
if (!isInvalidDate(dt)) { |
|
|
|
|
return dt; |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
dt = BI.str2Date(str, "HH:mm:ss"); |
|
|
|
|
if (!BI.isInvalidDate(dt)) { |
|
|
|
|
if (!isInvalidDate(dt)) { |
|
|
|
|
return dt; |
|
|
|
|
} |
|
|
|
|
return new Date(); |
|
|
|
|
} |
|
|
|
|
}; |
|
|
|
|
|
|
|
|
|
// 判断是否是无效的日期
|
|
|
|
|
BI.isInvalidDate = function (date) { |
|
|
|
|
return date == "Invalid Date" || date == "NaN"; |
|
|
|
|
}; |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/** |
|
|
|
|
* 科学计数格式 |
|
|
|
|
*/ |
|
|
|
|
BI._eFormat = function (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; |
|
|
|
|
}; |
|
|
|
|
})(); |
|
|
|
|
|
guy
8 years ago