uni事件与web事件映射表
| web事件 | uni事件 |
| click | tap |
| touchstart | touchstart |
| touchmove | touchmove |
| touchcancel | touchcancel |
| touchend | touchend |
| tap | tap |
| longtap | longtap |
| input | input |
| change | change |
| submit | submit |
| blur | blur |
| focus | focus |
| reset | reset |
| confirm | confirm |
| columnchange | columnchange |
| linechange | linechange |
| error | error |
| scrolltoupper | scrolltoupper |
| scrolltolower | scrolltolower |
| scroll | scroll |
