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Schema (XSD)
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XSD СÊýÊý¾ÝÀàÐÍ


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Decimal data types are used for numeric values.
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Decimal Data Type
СÊýÊý¾ÝÀàÐÍ

The decimal data type is used to specify a numeric value.
СÊýÊý¾ÝÀàÐÍÓÃÓÚÖ¸¶¨Ò»¸öÊýÖµ¡£

The following is an example of a decimal declaration in a schema:
ÏÂÃæÁоÙÁËÔÚschema¹ØÓÚСÊýÉùÃ÷µÄ°¸Àý£º

<xs:element name="prize" type="xs:decimal"/>

An element in your document might look like this:
ÔÚÄãµÄÎĵµÖУ¬»òÐí»á°üº¬ÏÂÃæÕâÑùÒ»¸öÔªËØ£º

<prize>999.50</prize>

Or it might look like this:
»òÕß»áÏñÕâÑù£º

<prize>+999.5450</prize>

Or it might look like this:
ÓÖ»òÕßÏñÕâÑù£º

<prize>-999.5230</prize>

Or it might look like this:
Ò²¿ÉÄÜÊÇÕâÑù£º

<prize>0</prize>

Or it might look like this:
µ±È»£¬Ò²ÓпÉÄÜ»áÊÇÕâÑù£º

<prize>14</prize>

Note: The maximum number of decimal digits you can specify is 18.
×¢Ò⣺¿ÉÒÔÖ¸¶¨µÄСÊýλÊý×î¶àÊÇ18λ¡£


Integer Data Type
ÕûÊýÊý¾ÝÀàÐÍ

The integer data type is used to specify a numeric value without a fractional component.
ÕûÊýÊý¾ÝÀàÐÍÓÃÓÚÖ¸¶¨Ã»ÓÐСÊý²¿·ÖµÄÊýÖµ¡£

The following is an example of an integer declaration in a schema:
ÏÂÃæÊǵĹØÓÚÕûÊýÔÚschemaÄÚÉùÃ÷·½·¨µÄ°¸Àý£º

<xs:element name="prize" type="xs:integer"/>

An element in your document might look like this:
ÔÚÄãµÄÎĵµÖУ¬Ò²Ðí»á°üº¬ÏÂÊöÕâÑùµÄÔªËØ£º

<prize>999</prize>

Or it might look like this:
»ò×Å»áÊÇÕâÑù£º

<prize>+999</prize>

Or it might look like this:
Ò²¿ÉÄÜÊÇÕâÑù£º

<prize>-999</prize>

Or it might look like this:
µ±È»Ò²»áÊÇÕâÑù£º

<prize>0</prize>

 


Numeric Data Types
Êý×ÖÊý¾ÝÀàÐÍ

Note that all of the data types below derive from the Decimal data type (except for decimal itself)!
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Name
Ãû³Æ
Description
½âÊÍ
byte A signed 8-bit integer
Ö¸¶¨Ò»¸ö×î´ó8λµÄ´ø·ûºÅÕûÊý
decimal A decimal value
Ö¸¶¨Ò»¸öСÊýÊýÖµ
int A signed 32-bit integer
Ö¸¶¨Ò»¸ö×î´ó32λµÄ´ø·ûºÅÕûÊý
integer An integer value
Ö¸¶¨Ò»¸öÕûÊýÖµ
long A signed 64-bit integer
Ö¸¶¨Ò»¸ö×î´ó64λµÄ´ø·ûºÅÕûÊý
negativeInteger An integer containing only negative values ( .., -2, -1.)
Ö¸¶¨Ò»¸ö¸ºÖµÕûÊý ( .., -2, -1.)
nonNegativeInteger An integer containing only non-negative values (0, 1, 2, ..)
Ö¸¶¨Ò»¸ö·Ç¸ºÖµÕûÊý (0, 1, 2, ..)
nonPositiveInteger An integer containing only non-positive values (.., -2, -1, 0)
Ö¸¶¨Ò»¸ö·ÇÕýÖµÕûÊý (.., -2, -1, 0)
positiveInteger An integer containing only positive values (1, 2, ..)
Ö¸¶¨Ò»¸öÕýÖµÕûÊý(1, 2, ..)
short A signed 16-bit integer
Ö¸¶¨Ò»¸ö×î´ó16λµÄ´ø·ûºÅÕûÊý
unsignedLong An unsigned 64-bit integer
Ö¸¶¨Ò»¸ö×î´ó64λµÄ²»´ø·ûºÅÕûÊý
unsignedInt An unsigned 32-bit integer
Ö¸¶¨Ò»¸ö×î´ó32λµÄ²»´ø·ûºÅÕûÊý
unsignedShort An unsigned 16-bit integer
Ö¸¶¨Ò»¸ö×î´ó16λµÄ²»´ø·ûºÅÕûÊý
unsignedByte An unsigned 8-bit integer
Ö¸¶¨Ò»¸ö×î´ó8λµÄ²»´ø·ûºÅÕûÊý

 


Restrictions on Numeric Data Types
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Restrictions that can be used with Numeric data types:
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  • enumeration
    ÁоÙ
  • fractionDigits
    СÊýλÊý
  • maxExclusive
    ³ýÈ¥×î´óÖµ
  • maxInclusive
    °üÀ¨×î´óÖµ
  • minExclusive
    ³ýÈ¥×îСֵ
  • minInclusive
    °üÀ¨×îСֵ
  • pattern
    ʽÑù
  • totalDigits
    ×ÜÊý×ÖλÊý
  • whiteSpace
    ¿Õ°×

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