[GitHub] yaowei9363 commented on issue #9301: 关于在桌面环境下对滑动事件的支持/About support for sliding events in the desktop environment

[GitBox <gi...@apache.org>]

yaowei9363 commented on issue #9301: 关于在桌面环境下对滑动事件的支持/About support for sliding events in the desktop environment
URL: https://github.com/apache/incubator-echarts/issues/9301#issuecomment-442378058
 
 
   > > 戴尔24寸触摸屏触屏上是否任何触摸都没有响应？
   > > （抱歉暂时没有这个设备来测试，只能猜测一下问题）
   > 
   > 只有图表canvas没有响应滑动事件,点击事件可以触发,
   > 网页body本身响应滑动和点击事件
   > 使用chrome的改变为移动设备功能后,所有功能正常使用,包括滑动等
   > 已经确定, 在pc端渲染下不会支持触屏操作, touch操作只是被识别为click事件, 请问有什么办法可以强制被识别为移动端渲染
   > 
   > 已经解决问题
   > 原因: zepto的detect判别方法并不完善
   > 
   > ```js
   >     return {
   >         browser: browser,
   >         os: os,
   >         node: false,
   >         // 原生canvas支持，改极端点了
   >         // canvasSupported : !(browser.ie && parseFloat(browser.version) < 9)
   >         canvasSupported: !!document.createElement('canvas').getContext,
   >         svgSupported: typeof SVGRect !== 'undefined',
   >         // works on most browsers
   >         // IE10/11 does not support touch event, and MS Edge supports them but not by
   >         // default, so we dont check navigator.maxTouchPoints for them here.
   > 
   >        //这里的'ontouchstart' in window 对于触屏显示器返回的依然是flase
   >         touchEventsSupported: 'ontouchstart' in window && !browser.ie && !browser.edge,
   >         // <http://caniuse.com/#search=pointer%20event>.
   >         pointerEventsSupported: 'onpointerdown' in window
   >             // Firefox supports pointer but not by default, only MS browsers are reliable on pointer
   >             // events currently. So we dont use that on other browsers unless tested sufficiently.
   >             // Although IE 10 supports pointer event, it use old style and is different from the
   >             // standard. So we exclude that. (IE 10 is hardly used on touch device)
   >             && (browser.edge || (browser.ie && browser.version >= 11))
   >         // passiveSupported: detectPassiveSupport()
   >     };
   > }
   > ```
   > 
   > 解决方式:
   > 因为生产环境固定为触屏显示器, 同时依然对鼠标事件有一定支持, 直接在这里设置固定值为true
   > 
   > 解决思路:
   > 更改挂载思路, 可以手动选择是否渲染移动端touch等事件
   
   我和您遇到同样的问题了,请问zepto 只需要以上的配置就可以了吗

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