使用[travisjeffery/ClangFormat-Xcode](https | //github.com/travisjeffery/ClangFormat-Xcode)插件进行代码格式化，格式化规则如下表所示

AccessModifierOffset: 0
AlignEscapedNewlinesLeft: true
AlignTrailingComments: true
AllowAllParametersOfDeclarationOnNextLine: false
AllowShortFunctionsOnASingleLine: false
AllowShortIfStatementsOnASingleLine: false
AllowShortLoopsOnASingleLine: false
AlwaysBreakBeforeMultilineStrings: false
AlwaysBreakTemplateDeclarations: false
BinPackParameters: false
BreakBeforeBinaryOperators: false
BreakBeforeBraces: Attach
BreakBeforeTernaryOperators: false
BreakConstructorInitializersBeforeComma: false
ColumnLimit: 100
CommentPragmas: ''
ConstructorInitializerAllOnOneLineOrOnePerLine: false
ConstructorInitializerIndentWidth: 0
ContinuationIndentWidth: 4
Cpp11BracedListStyle: false
DerivePointerBinding: false
IndentCaseLabels: false
IndentFunctionDeclarationAfterType: false
IndentWidth: 4
Language: Cpp
MaxEmptyLinesToKeep: 1
NamespaceIndentation: None
ObjCBlockIndentWidth: 4
ObjCSpaceAfterProperty: true
ObjCSpaceBeforeProtocolList: true
PenaltyBreakBeforeFirstCallParameter: 100
PenaltyBreakComment: 100
PenaltyBreakFirstLessLess: 0
PenaltyBreakString: 100
PenaltyExcessCharacter: 1
PenaltyReturnTypeOnItsOwnLine: 20
PointerBindsToType: true
SpaceBeforeAssignmentOperators: true
SpaceBeforeParens: Always
SpaceInEmptyParentheses: false
SpacesBeforeTrailingComments: 1
SpacesInAngles: false
SpacesInCStyleCastParentheses: false
SpacesInContainerLiterals: false
SpacesInParentheses: false
Standard: Cpp11
TabWidth: 4
UseTab: Never
IndentCaseLabels: true

使用方法，在项目根目录下创建文件，命名为.clang-format，复制以上内容到文件中，然后设置插件

Edit>Clang Format>File