Fix#3000 and Fix inputItem make Picker unable to click in Wechat with IOS12;

[thewindsword]

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if isBugFix :

• fix while height over 100% input-item make picker can't touch in wechat with ios 12.

#3000 fix it;

repo: https://codesandbox.io/s/j2j44wxj95
device: ios12.1,iphoneXr/iphone 8p/iphone 6s
software: wechat 7.0.0

zh:
修复IOS12.1下微信6.7.4~7.0.0版本网页中：
当小键盘弹出收缩时，会导致body重新渲染，并且致使触摸层错位。
已提交repo：https://codesandbox.io/s/j2j44wxj95
重现步骤为（PS：Safari正常）：

1. 选中最下方input-item，输入任意字符；
2. 在小键盘没有缩下去情况下点击picker组件；
3. 点击Picker确认发现点击无效。
4. 长按界面当出现选择光标时发现确认键与实际渲染位置不符。

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This change is 

[doxiaodong]

textarea-item has the same issue. can u fix it.

[thewindsword]

the same as search-bar, I'll fix it later ;)

[codecov]

Codecov Report

Merging #3017 into master will decrease coverage by 0.19%.
The diff coverage is 11.11%.

@@            Coverage Diff            @@
##           master    #3017     +/-   ##
=========================================
- Coverage    60.1%   59.91%   -0.2%     
=========================================
  Files          92       92             
  Lines        2246     2255      +9     
  Branches      643      646      +3     
=========================================
+ Hits         1350     1351      +1     
- Misses        887      895      +8     
  Partials        9        9

Flag	Coverage Δ
#web	59.91% <11.11%> (-0.2%)	⬇️

Impacted Files	Coverage Δ
components/textarea-item/index.tsx	40.4% <0%> (-1.27%)	⬇️
components/input-item/index.tsx	59.28% <0%> (-1.3%)	⬇️
components/search-bar/index.tsx	77.58% <33.33%> (-1.18%)	⬇️

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[doxiaodong]

@ziluo 你也看一下吧

[likezero]

没问题，可以合并掉。覆盖率可以后面单独补

[doxiaodong]

ok

[Estelle00]

这个逻辑不对吧 为什么必须要props.onBlur存在 才修复呢 还有没有判断是否为IOS设备啊

[thewindsword]

之前只是针对自己项目顺手fixed了所以很多没有考虑到，这类兼容性问题应该留给用户自己做修改比较好。 关于#3000引发的问题应该还出现在modal这个组件中。 相关联的issue相对比较多，我这里列出部分。 #3192 #3123 #3033 Estelle00 <notifications@github.com> 于2019年5月5日周日 上午9:13写道：

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这个逻辑不对吧 为什么必须要props.onBlur存在 才修复呢 还是没有判断是否为IOS设备啊 — You are receiving this because you authored the thread. Reply to this email directly, view it on GitHub <#3017 (comment)>, or mute the thread <https://github.com/notifications/unsubscribe-auth/ACE6V4KMAZ356RRYWZAXO7LPTYYDNANCNFSM4GMOIBPQ> .