新浪博客
| 字符 | 含义 |
|---|---|
| \uparrow | ↑ |
| \downarrow | ↓ |
| \Uparrow | ⇑ |
| \Downarrow | ⇓ |
| \updownarrow | |
| \Updownarrow | |
| \rightarrow | → |
| \leftarrow | ← |
| \Rightarrow | ⇒ |
| \Leftarrow | ⇐ |
| \leftrightarrow | ↔ |
| \Leftrightarrow | ⇔ |
| \longrightarrow | |
| \longleftarrow | |
| \Longrightarrow | |
| \Longleftarrow | |
| \mapsto | |
| \longmapsto | |
| \hookleftarrow | |
| \hookrightarrow | |
| \leftharpoonup | |
| \rightharpoonup | |
| \leftharpoondown | |
| \rightharpoondown | |
| \rightleftharpoons | |
| \leadsto | |
| earrow | |
| \searrow | |
| \swarrow | |
| warrow | |
| leftarrow | |
| rightarrow | |
| Leftarrow | |
| Rightarrow | |
| leftrightarrow | |
| Leftrightarrow | |
| \dashrightarrow | |
| \dashleftarrow | |
| \leftleftarrows | |
| \leftrightarrows | |
| \Lleftarrow | |
| \twoheadleftarrow | |
| \leftarrowtail | |
| \looparrowleft | |
| \leftrightharpoons | |
| \curvearrowleft | |
| \circlearrowleft | |
| \Lsh | |
| \upharpoonleft | |
| \downharpoonleft | |
| \upuparrows | |
| \multimap | |
| \leftrightsquigarrow | |
| \rightrightarrows | |
| \rightleftarrows | |
| \twoheadrightarrow | |
| \rightarrowtail | |
| \looparrowright | |
| \rightleftharpoons | |
| \curvearrowright | |
| \circlearrowright | |
| \Rsh | |
| \downdownarrows | |
| \upharpoonright | |
| \downharpoonright | |
| \rightsquigarrow |
而如果想在箭头上面写字的话