模板:Yesno/doc：修订间差异

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（创建页面，内容为“{{Documentation}} This template normalises an input to be a yes/no output. === Usage === The template has five possible outputs depending on the default parameter (input if you will). In its simplest usage these will all be either "yes" or "" (blank - nothing no characters). # <tt><nowiki>{{yesno|yes}}</nowiki></tt> result "yes" (also applies to "Yes", "YeS", etc, "Y", "y" and "1") # <tt><nowiki>{{yesno|no}}</nowiki></tt> result "" (also applies to "N…”）
 
无编辑摘要
 
第1行： 第1行：
{{Documentation}}
{{#ifeq:{{FULLPAGENAME}}|Template:Yesno|{{used in system|in [[MediaWiki:Protectedpagetext]]}}|{{high-use}}}}
This template normalises an input to be a yes/no output.
{{Documentation subpage}}
<!-- Place categories where indicated at the bottom of this page and interwikis at Wikidata (see [[Wikipedia:Wikidata]]) -->


=== Usage ===
{{tlx|Yesno}} (or {{tlg|YesNo|nolink=on|code=on}}) evaluates any input and produces a normalized <samp>yes</samp> or nil output, based on the content of the input and several configurable options. It is not used in article prose, but in coding complex templates.


The template has five possible outputs depending on the default parameter (input if you will).
== Usage ==
The template distinguishes five different types of input, supplied on the first unnamed parameter:
# '''Yes''': Case-insensitive forms of <code>Yes</code>, <code>y</code>, <code>true</code>, <code>on</code>, and <code>1</code>; e.g. {{tlx|Yesno|yEs}} &rarr;  {{Yesno|yEs}}
# '''No''': Case-insensitive forms of <code>No</code>, <code>n</code>, <code>false</code>, <code>off</code>, and <code>0</code>; e.g. {{tlx|Yesno|nO}} &rarr; {{Yesno|nO}}
# '''Nothing''': When the input is defined but either contains no value or consists of [[whitespace character]] only; i.e. <code><nowiki>{{Yesno|}}</nowiki></code> or {{tlx|Yesno|&nbsp;}} &rarr; {{Yesno|}}
# '''Negation''': When the input is either <code>¬</code> ([[alt code]] [https://www.rapidtables.com/code/text/alt-codes.html 170]) or entirely missing; i.e. {{tlx|Yesno|¬}} or {{tlx|Yesno}} &rarr; {{Yesno|¬}}
# '''Anything else''': e.g. {{tlx|Yesno|Purple monkey dish washer}} &rarr; {{Yesno|Purple monkey dish washer}}


In its simplest usage these will all be either "yes" or "" (blank - nothing no characters).  
By default, the template returns "yes" in the first and last case but returns nil (blank, empty string) in the other cases.


# <tt><nowiki>{{yesno|yes}}</nowiki></tt>  result "yes" (also applies to "Yes", "YeS", etc, "Y", "y" and "1") 
Two short-hand templates for the most common uses that override the default behavior:
# <tt><nowiki>{{yesno|no}}</nowiki></tt> result "" (also applies to "No", "NO", "nO", "N", "n" and "0")
* {{tlx|yesno-yes}} or {{tlg|YesNo-Yes|nolink=on|code=on}} – always returns "yes" (or the specified replacement result in {{para|yes}}) unless an explicit negative value is given; i.e., it evaluates to "yes" even when the value is empty or missing.
# <tt><nowiki>{{yesno}}</nowiki></tt> result ""
* {{tlx|yesno-no}} or {{tlg|YesNo-No|nolink=on|code=on}} – always returns "no" (or the specified replacement result in {{para|no}}) unless an explicit positive value is given; i.e., it evaluates to "no" even when the value is present, as long as it does not contain anything that resolves to "yes".
# <tt><nowiki>{{yesno|¬}}</nowiki></tt> result ""
# <tt><nowiki>{{yesno|purplemonkeydishwasher}}</nowiki></tt> result "yes" (also applies to any other value not given above).


===Customizing the output===
Template's default output can be customized with five named parameters, respectively: {{para|yes}}, {{para|no}}, {{para|blank}}, {{para|¬}} and {{para|def}}. If these parameters are specified, the template response is as follows:
# '''Yes''': Template returns the contents of {{para|yes}}, otherwise returns "yes". For example:
#* {{tlx|yesno|y|3=yes=Yeah}} results in "{{yesno|y|yes=Yeah}}"
#* {{tlx|yesno|y|3=yes=bacon}}  results in "{{yesno|y|yes=bacon}}"
# '''No''': Template returns the contents of {{para|no}}, otherwise returns blank. For example:
#* {{tlx|yesno|n|3=no=Nay}} results in "{{yesno|n|no=Nay}}"
#* {{tlx|yesno|n|3=no=ham}} results in "{{yesno|n|no=ham}}"
# '''Nothing''': Template returns the contents of {{para|blank}}, or of {{para|no}} in absence of the former; otherwise, returns blank.
#* {{tlx|yesno||3=blank=eggs}} results in "{{yesno||blank=eggs}}"
#* {{tlx|yesno||3=no=ham}} results in "{{yesno||no=ham}}"
#* {{tlx|yesno||3=blank=eggs|4=no=ham}} results in "{{yesno||blank=eggs|no=ham}}"
# '''Negation''': Template returns the contents of {{para|¬}}, otherwise returns blank. For example:
#* {{tlx|yesno|¬|3=¬=sausage}} results in "{{yesno|¬|¬=sausage}}"
# '''Anything else''': Template returns the contents of {{para|def}}, or of {{para|yes}} in absence of the former; otherwise, returns "yes".
#* {{tlx|yesno|purple monkey dish washer|3=def=cup of tea}} results in "{{yesno|purple monkey dish washer|def=cup of tea}}"
#* {{tlx|yesno|purple monkey dish washer|3=yes=bacon}} results in "{{yesno|purple monkey dish washer|yes=bacon}}"
#* {{tlx|yesno|purple monkey dish washer|3=def=cup of tea|4=yes=bacon}} results in "{{yesno|purple monkey dish washer|def=cup of tea|yes=bacon}}"


Each of these can be over-ridden.
For the named parameters, use of a blank value is not the same as omitting the parameter. A blank named parameter tells the template that the customized return value is blank. For example:
* {{tlx|yesno|purple monkey dish washer}} results in "{{yesno|purple monkey dish washer}}"
* {{tlx|yesno|purple monkey dish washer|3=def=}} results in "{{yesno|purple monkey dish washer|def=}}" {{var|[blank]}}


# <tt><nowiki>{{yesno|yes|yes=bacon}}</nowiki></tt>  result "bacon"  (also applies to "Yes", "YeS", etc, "Y", "y" and "1") 
===Logical distinctions===
# <tt><nowiki>{{yesno|no|no=ham}}</nowiki></tt> result "ham" (also applies to "No", "NO", "nO", "N", "n" and "0")
# <tt><nowiki>{{yesno|blank= eggs}}</nowiki></tt> result "eggs"
## but <tt><nowiki>{{yesno|no=ham}}</nowiki></tt> result "ham"
## and <tt><nowiki>{{yesno|blank= eggs|no=ham}}</nowiki></tt> result "eggs"
# <tt><nowiki>{{yesno|¬|¬=sausage}}</nowiki></tt> result "sausage"
# <tt><nowiki>{{yesno|purplemonkeydishwasher|def=cup-of-tea}}</nowiki></tt> result "cup-of-tea" (also applies to any other value not given above).
## but <tt><nowiki>{{yesno|purplemonkeydishwasher|yes=bacon}}</nowiki></tt> result "bacon"
## but <tt><nowiki>{{yesno|purplemonkeydishwasher|def=cup-of-tea|yes=bacon}}</nowiki></tt> result "cup-of-tea"


This may be used (apparently perversely) thus:
{| class=wikitable style="text-align:left; width:100%;"
|-
! colspan=7 style="background:#d0d0d0;" | Overview of {{tlx|yesno}} ''logical values'' and their associated texts
|- style="text-align:left; vertical-align:top; font-weight:bold; background:#e8e8e8;"
| Input<br />parameter 1<br />({{code|1=1=}})
| In code
| Logical return value
| Default<br />return text
|
| Return text when set:<br />{{code|1=yes=Pos}}<br />{{code|1=no=Neg}}<br />{{code|1=blank=Blank}}<br />{{code|1=¬=Undefined}}<br />{{code|1=def=Def}}
| Note
|-
| yes, y, true, 1*
| {{code|1=<nowiki>{{yesno|yes}}</nowiki>}}
| {{nowrap|{{code|yes by definition}}}}
| "{{yesno|yes}}"
|
| "{{yesno|yes|yes=Pos|no=Neg|blank=Blank|¬=Undefined|def=Def}}"
| <nowiki>*</nowiki> Case-insensitive (Y=y)
|-
| {{nowrap|Some Text}}
| {{nowrap|{{code|1=<nowiki>{{yesno|Some Text}}</nowiki>}}}}
| {{code|yes by default}}
| "{{yesno|Some Text}}"
|
| "{{yesno|Some Text|yes=Pos|no=Neg|blank=Blank|¬=Undefined|def=Def}}"
| "{{yesno|Some Text|yes=Pos|no=Neg|blank=Blank|¬=Undefined}}" when {{nowrap|1=<code>def={{var|[omitted]}}</code>}}
|-
| no, n, false, 0*
| {{code|1=<nowiki>{{yesno|no}}</nowiki>}}
| {{code|no by definition}}
| "{{yesno|no}}" {{var|[blank]}}
|
| "{{yesno|no|yes=Pos|no=Neg|blank=Blank|¬=Undefined|def=Def}}"
| <nowiki>*</nowiki> Case-insensitive (N=n)
|-
| {{var|[blank]}}
| {{code|1=<nowiki>{{yesno|}}</nowiki>}}
| {{code|blank}}
| "{{yesno|1=}}" {{var|[blank]}}
|
| "{{yesno||yes=Pos|no=Neg|blank=Blank|¬=Undefined|def=Def}}"
| "{{yesno||yes=Pos|no=Neg|¬=Undefined|def=Def}}" when {{nowrap|1=<code>blank={{var|[omitted]}}</code>}}
|-
| 1={{var|[blank]}}
| {{code|1=<nowiki>{{yesno|1=}}</nowiki>}}
| {{code|blank}}
| "{{yesno|1=}}" {{var|[blank]}}
|
| "{{yesno|1=|yes=Pos|no=Neg|blank=Blank|¬=Undefined|def=Def}}"
| "{{yesno|1=|yes=Pos|no=Neg|¬=Undefined|def=Def}}" when {{nowrap|1=<code>blank={{var|[omitted]}}</code>}}
|-
| ¬
| {{code|1=<nowiki>{{yesno|¬}}</nowiki>}}
| {{code|¬}}
| "{{yesno|¬}}" {{var|[blank]}}
|
| "{{yesno|¬|yes=Pos|no=Neg|blank=Blank|¬=Undefined|def=Def}}"
|
|-
| {{var|[omitted]}}
| {{code|1=<nowiki>{{yesno}}</nowiki>}}
| {{code|¬}}
| "{{yesno}}" {{var|[blank]}}
|
| "{{yesno|yes=Pos|no=Neg|blank=Blank|¬=Undefined|def=Def}}"
|
|}


* <tt><nowiki>{{yesno|yes|yes=no|no=yes}}</nowiki></tt>  result "no"
{| class="wikitable"
* <tt><nowiki>{{yesno|no|yes=no|no=yes}}</nowiki></tt>  result "yes"
|-
! colspan="4" style="background:#d0d0d0;" | Comparison with related templates
|- style="text-align:left; vertical-align:top; font-weight:bold; background:#e8e8e8;"
| Input parameter 1 ({{code|1=1=}})
| {{tl|yesno}}
| {{tl|yesno-yes}}
| {{tl|yesno-no}}
|-
| yes, y, true, 1*
| "{{yesno|yes}}"
| "{{yesno-yes|yes}}"
| "{{yesno-no|yes}}"
|-
| {{nowrap|Some Text}}
| "{{yesno|Some Text}}"
| "{{yesno-yes|Some Text}}"
| "{{yesno-no|Some Text}}"
|-
| no, n, false, 0*
| "{{yesno|no}}" {{var|[blank]}}
| "{{yesno-yes|no}}"
| "{{yesno-no|no}}"
|-
| {{var|[blank]}}
| "{{yesno|1=}}" {{var|[blank]}}
| "{{yesno-yes|1=}}"
| "{{yesno-no|1=}}"
|-
| 1={{var|[blank]}}
| "{{yesno|1=}}" {{var|[blank]}}
| "{{yesno-yes|1=}}"
| "{{yesno-no|1=}}"
|-
| ¬
| "{{yesno|¬}}" {{var|[blank]}}
| "{{yesno-yes|¬}}"
| "{{yesno-no|¬}}"
|-
| {{var|[omitted]}}
| "{{yesno}}" {{var|[blank]}}
| "{{yesno-yes}}"
| "{{yesno-no}}"
|}


This creates a logical inversion.
== Full parameter list ==
Unnamed parameter 1= the input value to be evaluated. The other parameters (all named, all optional), are the ''return values'' for their respective logical outcome. When set, each one overrules their ''default return value''.


<includeonly>
{{tj|yesno
[[Category:Utility templates]]
  | Input value
</includeonly>
  | yes: Output on yes
<noinclude></noinclude>
  | no: Output on no
  | blank: Output on blank input
  | ¬: Output on ¬
  | def: Definite output
}}
 
== See also ==
* {{unichar|AC|NOT SIGN|html=}}
* [[Module:yesno]]
* {{tlx|Yesno-yes}} – variant of Yesno that defaults to "yes" if value is not explicitly negative
** {{tlx|Yesno-yes/fallback}} – variant that first defaults to the <code>yes</code> parameter, then falls back to "yes", if value is not explicitly negative
* {{tlx|Yesno-no}} – variant of Yesno that defaults to "no" if value is not explicitly positive
 
== TemplateData ==
{{TemplateData header}}
<templatedata>
{
        "description": "This template normalises an input to be a yes or nil output.",
        "params": {
                "1": {
                        "label": "Input value",
                        "description": "The value to be evaluated",
                        "type": "string",
                        "required": true
                },
                "yes": {
                        "label": "Output on yes",
                        "description": "Specifies the output of the template when the input value is a case-insensitive forms of 'Yes', 'Y', 'True' or '1'",
                        "type": "string",
                        "required": false
                },
                "no": {
                        "label": "Output on no",
                        "description": "Specifies the output of the template when the input value is a case-insensitive forms of 'No', 'N', 'False, or '0'",
                        "type": "string",
                        "required": false
                },
                "blank": {
                        "label": "Output on blank input",
                        "description": "Specifies the output of the template when the input value is defined but is either empty or contains nothing but whitespace character(s)",
                        "type": "string",
                        "required": false
                },
                "¬": {
                        "label": "Output on ¬",
                        "description": "Specifies the output of the template when the input value is either '¬' or entirely missing (undefined)",
                        "type": "string",
                        "required": false
                },
                "def": {
                        "label": "Definite output",
                        "description": "Specifies the output of the template when the input value is defined but not a form of 'yes', 'no', '1', '0', '¬' or blank",
                        "type": "string",
                        "required": false
                }
        }
}
</templatedata>
 
<includeonly>{{Sandbox other||
 
<!----CATEGORIES BELOW THIS LINE, PLEASE:---->
[[Category:If-then-else templates]]
 
}}</includeonly>

2024年1月16日 (二) 22:49的最新版本

{{Yesno}} (or {{YesNo}}) evaluates any input and produces a normalized yes or nil output, based on the content of the input and several configurable options. It is not used in article prose, but in coding complex templates.

Usage

The template distinguishes five different types of input, supplied on the first unnamed parameter:

  1. Yes: Case-insensitive forms of Yes, y, true, on, and 1; e.g. {{Yesno|<yEs>}} → yes
  2. No: Case-insensitive forms of No, n, false, off, and 0; e.g. {{Yesno|<nO>}} →
  3. Nothing: When the input is defined but either contains no value or consists of whitespace character only; i.e. {{Yesno|}} or {{Yesno|< >}} →
  4. Negation: When the input is either ¬ (alt code 170) or entirely missing; i.e. {{Yesno|<¬>}} or {{Yesno}} →
  5. Anything else: e.g. {{Yesno|<Purple monkey dish washer>}} → yes

By default, the template returns "yes" in the first and last case but returns nil (blank, empty string) in the other cases.

Two short-hand templates for the most common uses that override the default behavior:

  • {{yesno-yes}} or {{YesNo-Yes}} – always returns "yes" (or the specified replacement result in |yes=) unless an explicit negative value is given; i.e., it evaluates to "yes" even when the value is empty or missing.
  • {{yesno-no}} or {{YesNo-No}} – always returns "no" (or the specified replacement result in |no=) unless an explicit positive value is given; i.e., it evaluates to "no" even when the value is present, as long as it does not contain anything that resolves to "yes".

Customizing the output

Template's default output can be customized with five named parameters, respectively: |yes=, |no=, |blank=, |¬= and |def=. If these parameters are specified, the template response is as follows:

  1. Yes: Template returns the contents of |yes=, otherwise returns "yes". For example:
    • {{yesno|<y>|<yes=Yeah>}} results in "Yeah"
    • {{yesno|<y>|<yes=bacon>}} results in "bacon"
  2. No: Template returns the contents of |no=, otherwise returns blank. For example:
    • {{yesno|<n>|<no=Nay>}} results in "Nay"
    • {{yesno|<n>|<no=ham>}} results in "ham"
  3. Nothing: Template returns the contents of |blank=, or of |no= in absence of the former; otherwise, returns blank.
    • {{yesno|<>|<blank=eggs>}} results in "eggs"
    • {{yesno|<>|<no=ham>}} results in "ham"
    • {{yesno|<>|<blank=eggs>|<no=ham>}} results in "eggs"
  4. Negation: Template returns the contents of |¬=, otherwise returns blank. For example:
    • {{yesno|<¬>|<¬=sausage>}} results in "sausage"
  5. Anything else: Template returns the contents of |def=, or of |yes= in absence of the former; otherwise, returns "yes".
    • {{yesno|<purple monkey dish washer>|<def=cup of tea>}} results in "cup of tea"
    • {{yesno|<purple monkey dish washer>|<yes=bacon>}} results in "bacon"
    • {{yesno|<purple monkey dish washer>|<def=cup of tea>|<yes=bacon>}} results in "cup of tea"

For the named parameters, use of a blank value is not the same as omitting the parameter. A blank named parameter tells the template that the customized return value is blank. For example:

  • {{yesno|<purple monkey dish washer>}} results in "yes"
  • {{yesno|<purple monkey dish washer>|<def=>}} results in "" [blank]

Logical distinctions

Overview of {{yesno}} logical values and their associated texts
Input
parameter 1
(1=) 		In code Logical return value Default
return text 		Return text when set:
yes=Pos
no=Neg
blank=Blank
¬=Undefined
def=Def 		Note
yes, y, true, 1* {{yesno|yes}} yes by definition "yes" "Pos" * Case-insensitive (Y=y)
Some Text {{yesno|Some Text}} yes by default "yes" "Def" "Pos" when def=[omitted]
no, n, false, 0* {{yesno|no}} no by definition "" [blank] "Neg" * Case-insensitive (N=n)
[blank] {{yesno|}} blank "" [blank] "Blank" "Neg" when blank=[omitted]
1=[blank] {{yesno|1=}} blank "" [blank] "Blank" "Neg" when blank=[omitted]
¬ {{yesno|¬}} ¬ "" [blank] "Undefined"
[omitted] {{yesno}} ¬ "" [blank] "Undefined"
Comparison with related templates
Input parameter 1 (1=) {{yesno}} {{yesno-yes}} {{yesno-no}}
yes, y, true, 1* "yes" "yes" "yes"
Some Text "yes" "yes" "no"
no, n, false, 0* "" [blank] "no" "no"
[blank] "" [blank] "yes" "no"
1=[blank] "" [blank] "yes" "no"
¬ "" [blank] "yes" "no"
[omitted] "" [blank] "yes" "no"

Full parameter list

Unnamed parameter 1= the input value to be evaluated. The other parameters (all named, all optional), are the return values for their respective logical outcome. When set, each one overrules their default return value.

{{yesno
| Input value
| yes = Output on yes
| no = Output on no
| blank = Output on blank input
| ¬ = Output on ¬
| def = Definite output
}}

See also

  • U+00AC ¬ NOT SIGN (&not;)
  • Module:yesno
  • {{Yesno-yes}} – variant of Yesno that defaults to "yes" if value is not explicitly negative
    • {{Yesno-yes/fallback}} – variant that first defaults to the yes parameter, then falls back to "yes", if value is not explicitly negative
  • {{Yesno-no}} – variant of Yesno that defaults to "no" if value is not explicitly positive

TemplateData

This is the TemplateData for this template used by TemplateWizard, VisualEditor and other tools. See a monthly parameter usage report for Template:Yesno in articles based on its TemplateData.

TemplateData for Yesno

This template normalises an input to be a yes or nil output.

模板参数

参数描述类型状态
Input value1

The value to be evaluated

字符串必需
Output on yesyes

Specifies the output of the template when the input value is a case-insensitive forms of 'Yes', 'Y', 'True' or '1'

字符串可选
Output on nono

Specifies the output of the template when the input value is a case-insensitive forms of 'No', 'N', 'False, or '0'

字符串可选
Output on blank inputblank

Specifies the output of the template when the input value is defined but is either empty or contains nothing but whitespace character(s)

字符串可选
Output on ¬¬

Specifies the output of the template when the input value is either '¬' or entirely missing (undefined)

字符串可选
Definite outputdef

Specifies the output of the template when the input value is defined but not a form of 'yes', 'no', '1', '0', '¬' or blank

字符串可选


取自“https://wiki.statsape.com/index.php?title=模板:Yesno/doc&oldid=4389”
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