XForms 数据类型 参考手册

完整的 XForms Data Types 参考手册。

字符串数据类型

名称 描述
ID A string that represents the ID attribute
IDREF A string that represents the IDREF attribute
IDREFS
language A string that contains a valid language id (e.g. en, en-US)
Name A string that contains a valid XML name
NCName
NMTOKEN A string that represents the NMTOKEN attribute
NMTOKENS
normalizedString A string that does not contain new line characters or tabs
QName
string A string. This is the default data type XForms will use if no data type is specified. Note: string may contain tab characters and new line characters
token A string that does not contain line feeds, carriage returns, tabs, leading or trailing spaces, or multiple spaces

所有的字符串数据类型都源自于 string 数据类型本身。

日期和时间数据类型

名称 描述
date Defines a date value
dateTime Defines a date and time value
gDay Defines a part of a date - the day (DD)
gMonth Defines a part of a date - the month (MM)
gMonthDay Defines a part of a date - the month and day (MM-DD)
gYear Defines a part of a date - the year (CCYY)
gYearMonth Defines a part of a date - the year and month (CCYY-MM)
time Defines a time value

数值数据类型

名称 描述
byte A signed 8-bit integer
decimal A decimal value
int A signed 32-bit integer
integer An integer value
long A signed 64-bit integer
negativeInteger An integer containing only negative values (..,-2,-1)
nonNegativeInteger An integer containing only non-negative values (0,1,2,..)
nonPositiveInteger An integer containing only non-positive values (..,-2,-1,0)
positiveInteger An integer containing only positive values (1,2, ..)
short A signed 16-bit integer
unsignedLong An unsigned 64-bit integer
unsignedInt An unsigned 32-bit integer
unsignedShort An unsigned 16-bit integer
unsignedByte An unsigned 8-bit integer

All numeric data types are derived from the decimal data type.

杂项数据类型

名称 描述
anyURI Represents a URI, which includes web page addresses
base64Binary Allows characters, including control characters, that otherwise aren't representable in XML
boolean Defines a true/false or 1/0 value
double
float
hexBinary

XForms 数据类型

名称 描述
listItems Represents a whitespace-separated list
listItem Represents only non-whitespace characters. An excellent base type for a whitespace-separated list
dayTimeDuration Represents a duration of a certain number of seconds
yearMonthDuration Represents a duration of a certain number of months