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Display JSON Data
JSON format is widely used in software.
You can use PlantUML to visualize your data.
To activate this feature, the diagram must:
- begin with
@startjson keyword
- end with
@endjson keyword.
|
@startjson
{
"fruit":"Apple",
"size":"Large",
"color": ["Red", "Green"]
}
@endjson
|
Complex example
You can use complex JSON structure.
|
@startjson
{
"firstName": "John",
"lastName": "Smith",
"isAlive": true,
"age": 27,
"address": {
"streetAddress": "21 2nd Street",
"city": "New York",
"state": "NY",
"postalCode": "10021-3100"
},
"phoneNumbers": [
{
"type": "home",
"number": "212 555-1234"
},
{
"type": "office",
"number": "646 555-4567"
}
],
"children": [],
"spouse": null
}
@endjson
|
Highlight
|
@startjson
#highlight "lastName"
#highlight "address" / "city"
#highlight "phoneNumbers" / "0" / "number"
{
"firstName": "John",
"lastName": "Smith",
"isAlive": true,
"age": 28,
"address": {
"streetAddress": "21 2nd Street",
"city": "New York",
"state": "NY",
"postalCode": "10021-3100"
},
"phoneNumbers": [
{
"type": "home",
"number": "212 555-1234"
},
{
"type": "office",
"number": "646 555-4567"
}
],
"children": [],
"spouse": null
}
@endjson
|
Using different styles for highlight
It is possible to have different styles for different highlights.
|
@startjson
<style>
.h1 {
BackGroundColor green
FontColor white
FontStyle italic
}
.h2 {
BackGroundColor red
FontColor white
FontStyle bold
}
</style>
#highlight "lastName"
#highlight "address" / "city" <<h1>>
#highlight "phoneNumbers" / "0" / "number" <<h2>>
{
"firstName": "John",
"lastName": "Smith",
"isAlive": true,
"age": 28,
"address": {
"streetAddress": "21 2nd Street",
"city": "New York",
"state": "NY",
"postalCode": "10021-3100"
},
"phoneNumbers": [
{
"type": "home",
"number": "212 555-1234"
},
{
"type": "office",
"number": "646 555-4567"
}
],
"children": [],
"spouse": null
}
@endjson
|
JSON basic element
Synthesis of all JSON basic element
|
@startjson
{
"null": null,
"true": true,
"false": false,
"JSON_Number": [-1, -1.1, "<color:green>TBC"],
"JSON_String": "a\nb\rc\td <color:green>TBC...",
"JSON_Object": {
"{}": {},
"k_int": 123,
"k_str": "abc",
"k_obj": {"k": "v"}
},
"JSON_Array" : [
[],
[true, false],
[-1, 1],
["a", "b", "c"],
["mix", null, true, 1, {"k": "v"}]
]
}
@endjson
|
JSON array or table
Array type
|
@startjson
{
"Numeric": [1, 2, 3],
"String ": ["v1a", "v2b", "v3c"],
"Boolean": [true, false, true]
}
@endjson
|
Minimal array or table
Number array
|
@startjson
[1, 2, 3]
@endjson
|
String array
|
@startjson
["1a", "2b", "3c"]
@endjson
|
Boolean array
|
@startjson
[true, false, true]
@endjson
|
JSON numbers
|
@startjson
{
"DecimalNumber": [-1, 0, 1],
"DecimalNumber . Digits": [-1.1, 0.1, 1.1],
"DecimalNumber ExponentPart": [1E5]
}
@endjson
|
JSON strings
JSON Unicode
On JSON you can use Unicode directly or by using escaped form like \uXXXX.
|
@startjson
{
"<color:blue><b>code": "<color:blue><b>value",
"a\\u005Cb": "a\u005Cb",
"\\uD83D\\uDE10": "\uD83D\uDE10",
"😐": "😐"
}
@endjson
|
JSON two-character escape sequence
|
@startjson
{
"**legend**: character name": ["**two-character escape sequence**", "example (between 'a' and 'b')"],
"quotation mark character (U+0022)": ["\\\"", "a\"b"],
"reverse solidus character (U+005C)": ["\\\\", "a\\b"],
"solidus character (U+002F)": ["\\\/", "a\/b"],
"backspace character (U+0008)": ["\\b", "a\bb"],
"form feed character (U+000C)": ["\\f", "a\fb"],
"line feed character (U+000A)": ["\\n", "a\nb"],
"carriage return character (U+000D)": ["\\r", "a\rb"],
"character tabulation character (U+0009)": ["\\t", "a\tb"]
}
@endjson
|
FIXME
FIXME or not 😉, on the same item as \n management in PlantUML 😉 See Report Bug on QA-13066
FIXME
|
@startjson
[
"\\\\",
"\\n",
"\\r",
"\\t"
]
@endjson
|
Minimal JSON examples
|
@startjson
"Hello world!"
@endjson
|
|
@startjson
42
@endjson
|
|
@startjson
true
@endjson
|
(Examples come from STD 90 - Examples)
Empty table or list
|
@startjson
{
"empty_tab": [],
"empty_list": {}
}
@endjson
|
[Ref. QA-14397]
Using (global) style
Without style (by default)
|
@startjson
#highlight "1" / "hr"
[
{
"name": "Mark McGwire",
"hr": 65,
"avg": 0.278
},
{
"name": "Sammy Sosa",
"hr": 63,
"avg": 0.288
}
]
@endjson
|
With style
You can use style to change rendering of elements.
|
@startjson
<style>
jsonDiagram {
node {
BackGroundColor Khaki
LineColor lightblue
FontName Helvetica
FontColor red
FontSize 18
FontStyle bold
RoundCorner 0
LineThickness 2
LineStyle 10-5
separator {
LineThickness 0.5
LineColor black
LineStyle 1-5
}
}
arrow {
BackGroundColor lightblue
LineColor green
LineThickness 2
LineStyle 2-5
}
highlight {
BackGroundColor red
FontColor white
FontStyle italic
}
}
</style>
#highlight "1" / "hr"
[
{
"name": "Mark McGwire",
"hr": 65,
"avg": 0.278
},
{
"name": "Sammy Sosa",
"hr": 63,
"avg": 0.288
}
]
@endjson
|
[Adapted from QA-13123 and QA-13288]
Display JSON Data on Class or Object diagram
Simple example
|
@startuml
class Class
object Object
json JSON {
"fruit":"Apple",
"size":"Large",
"color": ["Red", "Green"]
}
@enduml
|
[Ref. QA-15481]
Complex example: with all JSON basic element
|
@startuml
json "<b>JSON basic element" as J {
"null": null,
"true": true,
"false": false,
"JSON_Number": [-1, -1.1, "<color:green>TBC"],
"JSON_String": "a\nb\rc\td <color:green>TBC...",
"JSON_Object": {
"{}": {},
"k_int": 123,
"k_str": "abc",
"k_obj": {"k": "v"}
},
"JSON_Array" : [
[],
[true, false],
[-1, 1],
["a", "b", "c"],
["mix", null, true, 1, {"k": "v"}]
]
}
@enduml
|
Display JSON Data on Deployment (Usecase, Component, Deployment) diagram
Simple example
|
@startuml
allowmixing
component Component
actor Actor
usecase Usecase
() Interface
node Node
cloud Cloud
json JSON {
"fruit":"Apple",
"size":"Large",
"color": ["Red", "Green"]
}
@enduml
|
[Ref. QA-15481]
Complex example: with arrow
|
@startuml
allowmixing
agent Agent
stack {
json "JSON_file.json" as J {
"fruit":"Apple",
"size":"Large",
"color": ["Red", "Green"]
}
}
database Database
Agent -> J
J -> Database
@enduml
|
Display JSON Data on State diagram
Simple example
|
@startuml
state "A" as stateA
state "C" as stateC {
state B
}
json J {
"fruit":"Apple",
"size":"Large",
"color": ["Red", "Green"]
}
@enduml
 文章来源：https://www.toymoban.com/news/detail-707434.html
|
[Ref. QA-17275]文章来源地址https://www.toymoban.com/news/detail-707434.html
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