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taro h5页面监听不了滚动scroll事 #2416

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lixsh8 opened this issue Mar 12, 2019 · 11 comments
Closed

taro h5页面监听不了滚动scroll事 #2416

lixsh8 opened this issue Mar 12, 2019 · 11 comments

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@lixsh8
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lixsh8 commented Mar 12, 2019

问题描述
在h5环境下,在页面的componentDidMount中兼容window的滚动事件不执行,而touchend事件会执行

复现步骤

  1. 在页面的componentDidMount中兼容window的滚动事件不执行,而touchend事件会执行
componentDidMount() {
    // scroll事件不会执行
    window.addEventListener(
      "scroll",
      function() {
        console.log('scroll');
       
      }.bind(this),
      false
    );
    // touched事件会执行
    window.addEventListener(
      "touchend",
      function(e) {
        console.log('touchend');
       
      }.bind(this),
      false
    );
 }

期望行为
能监听页面的滚动事件

报错信息
无,能打印touchend,打印不出scroll

系统信息

Taro v1.2 及以上版本已添加 taro info 命令,方便大家查看系统及依赖信息,运行该命令后将结果贴下面即可。

  • 操作系统: [e.g. Windows 10]
  • Taro 版本 [e.g. v.1.2.13]
  • Node.js 版本 [e.g. v10.15.1]
  • 报错平台 [h5]

补充信息

@taro-bot
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taro-bot bot commented Mar 12, 2019

欢迎提交 Issue~

如果你提交的是 bug 报告,请务必遵循 Issue 模板的规范,尽量用简洁的语言描述你的问题,最好能提供一个稳定简单的复现。🙏🙏🙏

如果你的信息提供过于模糊或不足,或者已经其他 issue 已经存在相关内容,你的 issue 有可能会被关闭。

Good luck and happy coding~

@jinjinjin0731
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你的页面高度是多少

@lixsh8
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lixsh8 commented Mar 12, 2019

html,body,#app是100% ip6 667

@luckyadam
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你的页面够高么,出滚动条了么

@lixsh8
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lixsh8 commented Mar 12, 2019

有滚动条

@lixsh8
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lixsh8 commented Mar 12, 2019

里面内容高度是3570

@schinvendy
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试下对.taro-tabbar__panel进行监听

@lixsh8
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lixsh8 commented Mar 12, 2019

@schinvendy 居然能触发,你也是这样做的吗?

@schinvendy
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@schinvendy 居然能触发,你也是这样做的吗?

是的,之前做H5的刷新和滚动加载时发现直接在windows上监听事件无效,观察下H5的html结构后就对.taro-tabbar__panel进行监听来实现了。

@lixsh8
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lixsh8 commented Mar 12, 2019

@schinvendy taro_router这样就相当于文档的高度了是吧。taro-tabbar__panel相当于window屏幕的高度,通过taro-tabbar__panel.scrollTop+taro-tabbar__panel.offsetHeight>=taro_router-100就相当于滚动到底部

@daijiaoluoxinghui
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document.body.addEventListener("scroll",this.scrollpage)

这个可以

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