47 lines
1.2 KiB
Plaintext
47 lines
1.2 KiB
Plaintext
@startuml cause-effect
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title 因果图 — 登录功能输入验证
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' ========== 布局 ==========
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left to right direction
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skinparam defaultTextAlignment center
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skinparam rectangle {
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RoundCorner 15
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}
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' ========== 原因 (Causes) ==========
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rectangle "原因" as causes {
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rectangle "C1\n账号长度 ≥ 6" as C1 #LightBlue
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rectangle "C2\n账号长度 ≤ 10" as C2 #LightBlue
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rectangle "C3\n账号为纯数字\n（自然数）" as C3 #LightBlue
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rectangle "C4\n密码长度 = 8" as C4 #LightBlue
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}
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' ========== 中间节点 ==========
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rectangle "M1\n账号合法\n(C1 ∧ C2 ∧ C3)" as M1 #Wheat
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' ========== 结果 (Effects) ==========
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rectangle "结果" as effects {
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rectangle "E1\n显示\"输入合法\"" as E1 #LightGreen
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rectangle "E2\n显示\"账号不合法\"" as E2 #Salmon
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rectangle "E3\n显示\"密码不合法\"" as E3 #Salmon
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}
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' ========== 关系 ==========
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C1 --> M1 : AND
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C2 --> M1 : AND
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C3 --> M1 : AND
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M1 --> E1 : AND
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C4 --> E1 : AND
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M1 ..> E2 : NOT\n(~M1 → E2)
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C4 ..> E3 : NOT\n(~C4 → E3)
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' ========== 约束 ==========
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note bottom of causes
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约束: C1, C2, C3 相互独立
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C4 独立于 C1/C2/C3
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end note
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@enduml
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