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XML中的Schema内置类型是什么
XML中的Schema内置类型是什么？相信很多没有经验的人对此束手无策，为此本文总结了问题出现的原因和解决方法，通过这篇文章希望你能解决这个问题。
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XML Schema内置类型：
Schema内置类型说明
| Table 2. Simple Types Built In to XML Schema | ||
|---|---|---|
| Simple Type | Examples (delimited by commas) | Notes |
| string | Confirm this is electric | |
| normalizedString | Confirm this is electric | see (3) |
| token | Confirm this is electric | see (4) |
| base64Binary | GpM7 | |
| hexBinary | 0FB7 | |
| integer | ...-1, 0, 1, ... | see (2) |
| positiveInteger | 1, 2, ... | see (2) |
| negativeInteger | ... -2, -1 | see (2) |
| nonNegativeInteger | 0, 1, 2, ... | see (2) |
| nonPositiveInteger | ... -2, -1, 0 | see (2) |
| long | -9223372036854775808, ... -1, 0, 1, ... 9223372036854775807 | see (2) |
| unsignedLong | 0, 1, ... 18446744073709551615 | see (2) |
| int | -2147483648, ... -1, 0, 1, ... 2147483647 | see (2) |
| unsignedInt | 0, 1, ...4294967295 | see (2) |
| short | -32768, ... -1, 0, 1, ... 32767 | see (2) |
| unsignedShort | 0, 1, ... 65535 | see (2) |
| byte | -128, ...-1, 0, 1, ... 127 | see (2) |
| unsignedByte | 0, 1, ... 255 | see (2) |
| decimal | -1.23, 0, 123.4, 1000.00 | see (2) |
| float | -INF, -1E4, -0, 0, 12.78E-2, 12, INF, NaN | equivalent to single-precision 32-bit floating point, NaN is "not a number", see (2) |
| double | -INF, -1E4, -0, 0, 12.78E-2, 12, INF, NaN | equivalent to double-precision 64-bit floating point, see (2) |
| boolean | true, false, 1, 0 | |
| duration | P1Y2M3DT10H30M12.3S | 1 year, 2 months, 3 days, 10 hours, 30 minutes, and 12.3 seconds |
| dateTime | 1999-05-31T13:20:00.000-05:00 | May 31st 1999 at 1.20pm Eastern Standard Time which is 5 hours behind Co-Ordinated Universal Time, see (2) |
| date | 1999-05-31 | see (2) |
| time | 13:20:00.000, 13:20:00.000-05:00 | see (2) |
| gYear | 1999 | 1999, see (2) (5) |
| gYearMonth | 1999-02 | the month of February 1999, regardless of the number of days, see (2) (5) |
| gMonth | --05 | May, see (2) (5) |
| gMonthDay | --05-31 | every May 31st, see (2) (5) |
| gDay | ---31 | the 31st day, see (2) (5) |
| Name | shipTo | XML 1.0 Name type |
| QName | po:USAddress | XML Namespace QName |
| NCName | USAddress | XML Namespace NCName, i.e. a QName without the prefix and colon |
| anyURI | http://www.php.cn/,http://www.php.cn/ | |
| language | en-GB, en-US, fr | valid values for xml:lang as defined in XML 1.0 |
| ID | XML 1.0 ID attribute type, see (1) | |
| IDREF | XML 1.0 IDREF attribute type, see (1) | |
| IDREFS | XML 1.0 IDREFS attribute type, see (1) | |
| ENTITY | XML 1.0 ENTITY attribute type, see (1) | |
| ENTITIES | XML 1.0 ENTITIES attribute type, see (1) | |
| NOTATION | XML 1.0 NOTATION attribute type, see (1) | |
| NMTOKEN | US,Brésil | XML 1.0 NMTOKEN attribute type, see (1) |
| NMTOKENS | US UK,Brésil Canada Mexique | XML 1.0 NMTOKENS attribute type, i.e. a whitespace separated list of NMTOKEN's, see (1) |
Notes: (1) To retain compatibility between XML Schema and XML 1.0 DTDs, the simple types ID, IDREF, IDREFS, ENTITY, ENTITIES, NOTATION, NMTOKEN, NMTOKENS should only be used in attributes. (2) A value of this type can be represented by more than one lexical format, e.g. 100 and 1.0E2 are both valid float formats representing "one hundred". However, rules have been established for this type that define a canonical lexical format, seeXML Schema Part 2. (3) Newline, tab and carriage-return characters in a normalizedString type are converted to space characters before schema processing. (4) As normalizedString, and adjacent space characters are collapsed to a single space character, and leading and trailing spaces are removed. (5) The "g" prefix signals time periods in the Gregorian calendar. | ||
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