MathJax 支持的 Latex 符号总结(各种箭头符号)

箭头符号latex显示效果
\uparrow↑
\downarrow↓
\Uparrow⇑
\Downarrow⇓
\updownarrow↕
\Updownarrow⇕
\rightarrow→
\leftarrow←
\Rightarrow⇒
\Leftarrow⇐
\leftrightarrow↔
\Leftrightarrow⇔
\longrightarrow⟶
\longleftarrow⟵
\Longrightarrow⟹
\Longleftarrow⟸
\longleftrightarrow⟷
\Longleftrightarrow⟺
更多的箭头符号latex显示效果
\mapsto↦
\longmapsto⟼
\hookleftarrow↩
\hookrightarrow↪
\leftharpoonup↼
\rightharpoonup⇀
\leftharpoondown↽
\rightharpoondown⇁
\rightleftharpoons⇌
\leadsto⇝
\nearrow↗
\searrow↘
\swarrow↙
\nwarrow↖
\nleftarrow↚
\nrightarrow↛
\nLeftarrow⇍
\nRightarrow⇏
\nleftrightarrow↮
\nLeftrightarrow⇎
\dashrightarrow⇢
\dashleftarrow⇠
\leftleftarrows⇇
\leftrightarrows⇆
\Lleftarrow⇚
\twoheadleftarrow↞
\leftarrowtail↢
\looparrowleft↫
\leftrightharpoons⇋
\curvearrowleft↶
\circlearrowleft↺
\Lsh↰
\upuparrows⇈
\upharpoonleft↿
\downharpoonleft⇃
\multimap⊸
\leftrightsquigarrow↭
\rightrightarrows⇉
\rightleftarrows⇄
\rightrightarrows⇉
\rightleftarrows⇄
\twoheadrightarrow↠
\rightarrowtail↣
\looparrowright↬
\rightleftharpoons⇌
\curvearrowright↷
\circlearrowright↻
\Rsh↱
\downdownarrows⇊
\upharpoonright↾
\downharpoonright⇂
\rightsquigarrow⇝

latex	显示效果
\uparrow	$\uparrow$
\downarrow	$\downarrow$
\Uparrow	$\Uparrow$
\Downarrow	$\Downarrow$
\updownarrow	$\updownarrow$
\Updownarrow	$\Updownarrow$
\rightarrow	$\rightarrow$
\leftarrow	$\leftarrow$
\Rightarrow	$\Rightarrow$
\Leftarrow	$\Leftarrow$
\leftrightarrow	$\leftrightarrow$
\Leftrightarrow	$\Leftrightarrow$
\longrightarrow	$\longrightarrow$
\longleftarrow	$\longleftarrow$
\Longrightarrow	$\Longrightarrow$
\Longleftarrow	$\Longleftarrow$
\longleftrightarrow	$\longleftrightarrow$
\Longleftrightarrow	$\Longleftrightarrow$

latex	显示效果
\mapsto	$\mapsto$
\longmapsto	$\longmapsto$
\hookleftarrow	$\hookleftarrow$
\hookrightarrow	$\hookrightarrow$
\leftharpoonup	$\leftharpoonup$
\rightharpoonup	$\rightharpoonup$
\leftharpoondown	$\leftharpoondown$
\rightharpoondown	$\rightharpoondown$
\rightleftharpoons	$\rightleftharpoons$
\leadsto	$\leadsto$
\nearrow	$\nearrow$
\searrow	$\searrow$
\swarrow	$\swarrow$
\nwarrow	$\nwarrow$
\nleftarrow	$\nleftarrow$
\nrightarrow	$\nrightarrow$
\nLeftarrow	$\nLeftarrow$
\nRightarrow	$\nRightarrow$
\nleftrightarrow	$\nleftrightarrow$
\nLeftrightarrow	$\nLeftrightarrow$
\dashrightarrow	$\dashrightarrow$
\dashleftarrow	$\dashleftarrow$
\leftleftarrows	$\leftleftarrows$
\leftrightarrows	$\leftrightarrows$
\Lleftarrow	$\Lleftarrow$
\twoheadleftarrow	$\twoheadleftarrow$
\leftarrowtail	$\leftarrowtail$
\looparrowleft	$\looparrowleft$
\leftrightharpoons	$\leftrightharpoons$
\curvearrowleft	$\curvearrowleft$
\circlearrowleft	$\circlearrowleft$
\Lsh	$\Lsh$
\upuparrows	$\upuparrows$
\upharpoonleft	$\upharpoonleft$
\downharpoonleft	$\downharpoonleft$
\multimap	$\multimap$
\leftrightsquigarrow	$\leftrightsquigarrow$
\rightrightarrows	$\rightrightarrows$
\rightleftarrows	$\rightleftarrows$
\rightrightarrows	$\rightrightarrows$
\rightleftarrows	$\rightleftarrows$
\twoheadrightarrow	$\twoheadrightarrow$
\rightarrowtail	$\rightarrowtail$
\looparrowright	$\looparrowright$
\rightleftharpoons	$\rightleftharpoons$
\curvearrowright	$\curvearrowright$
\circlearrowright	$\circlearrowright$
\Rsh	$\Rsh$
\downdownarrows	$\downdownarrows$
\upharpoonright	$\upharpoonright$
\downharpoonright	$\downharpoonright$
\rightsquigarrow	$\rightsquigarrow$

原文链接：https://blog.csdn.net/liyuanbhu/article/details/51473886