学习笔记——XML Schema内置数据类型

Schema的内置类型继承关系

 

 

 

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.example.com/, http://www.example.com/doc.html#ID5
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.

 

 

各种内置类型详解

 

1：string及其相关类型

 

string：保留原始字符串。

normalizedString：字符串中Newline、tab和carriage-return都会被替换成空白。

token：字符串中Newline、tab和carriage-return都会被替换成空白，并且字符串中间连续的空白会被压缩成一个，字符串前后的空白会被自动删除。

 

Name：要求是合法的XML签名。

NCName：不带命名空间的XML签名。

QName：带命名空间的XML签名。

 

由string派生出来的ID、IDREF、ENTITY、ENTITIES、NMTOKEN、NMTOKENS类型只能用来约束属性。

ID：标识符。

IDREF：引用另一个ID。

IDREFS：引用多个已有的ID，空格为分隔符。

NMTOKEN：必须是合法的XML名称，只能由字母、数字、_、-、.、:组成。

NMTOKENS：多个NMTOKEN，空格为分隔符。

ENTITY：外部实体。

ENTITIES：多个外部实体，空格为分隔符。

 

2：数值及其相关类型

 

3：time、date类型

 

4：boolean类型

 

5：anyURL类型

 

6：二进制类型

hexBinary

base64Binarg