fix: Uploade 组件无法预览图片

[Madq92]

🤔 这个变动的性质是？

• 新特性提交
• [x ] 日常 bug 修复
• 站点、文档改进
• 演示代码改进
• 组件样式/交互改进
• TypeScript 定义更新
• 包体积优化
• 性能优化
• 功能增强
• 国际化改进
• 重构
• 代码风格优化
• 测试用例
• 分支合并
• 其他改动（是关于什么的改动？）

🔗 相关 Issue

#2821

💡 需求背景和解决方案

Uploade 组件无法预览图片

重新修改对应元素的宽高

☑️ 请求合并前的自查清单

⚠️ 请自检并全部勾选全部选项。⚠️

• 文档已补充或无须补充
• 代码演示已提供或无须提供
• TypeScript 定义已补充或无须补充
• fork仓库代码是否为最新避免文件冲突
• Files changed 没有 package.json lock 等无关文件

Summary by CodeRabbit

• 新功能

  • 更新了上传组件的样式，使其图像尺寸更具灵活性，支持动态调整。

• 样式

  • 修改了.nut-uploader-img-c类的高度属性为宽度属性，使用CSS变量实现响应式设计。

[coderabbitai]

Walkthrough

此次更改主要集中在uploader.scss文件中，对.nut-uploader组件的样式进行了修改，特别是.nut-uploader-img-c类。高度属性被替换为宽度属性，使用CSS变量实现动态大小设置。新的宽度和高度分别设置为var(--nutui-uploader-image-width, 100px)和var(--nutui-uploader-image-height, 100px)，增强了上传组件图像尺寸的灵活性。整体CSS结构保持不变，没有新增或移除类。

Changes

文件路径	更改摘要
src/packages/uploader/uploader.scss	修改了.nut-uploader-img-c类的高度属性，替换为使用CSS变量的宽度和高度属性。

Possibly related PRs

• fix(uploader): image 居中展示 #2475: 此PR修改了uploader.scss中.uploader-c类的样式，直接与主PR中的.nut-uploader-img-c类更改相关。
• fix(uploader): images should display when they've been successfully uploaded  #2448: 此PR解决了与上传后图像显示相关的上传组件中的一个bug，可能与主PR的样式更改间接相关。
• fix(uploader): correct xhrBeforeUpload execution timing #2507: 此PR修改了上传组件中的上传逻辑，可能与上传后图像的显示和样式相关。
• fix(uploader): sizeType prop didnot work when weapp || jd #2526: 此PR涉及上传组件中sizeType属性的更改，可能与图像处理和显示相关，连接到主PR的图像尺寸和样式焦点。
• fix(uploader): ios 下无法回显的问题修复 #2550: 此PR更改了上传组件Preview组件中图像的渲染方式，与主PR中图像尺寸的更改相关。

Suggested labels

size/S

Suggested reviewers

• oasis-cloud

🐰 在这片草地上，
我们的样式更轻盈，
宽度与高度随风舞，
上传图像更灵动，
变化如春日花开，
让每个组件都欢腾！ 🌼

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[coderabbitai]

Actionable comments posted: 0

🧹 Outside diff range and nitpick comments (1)

src/packages/uploader/uploader.scss (1)

181-182: 使用 CSS 变量优化图片预览尺寸控制

这个改动通过引入 CSS 变量来控制预览图片的尺寸是很好的做法。建议在组件文档中添加这些新的 CSS 变量的使用说明。

示例文档：

## CSS 变量

| 变量名 | 默认值 | 说明 |
| --- | --- | --- |
| --nutui-uploader-image-width | 100px | 上传图片预览容器的宽度 |
| --nutui-uploader-image-height | 100px | 上传图片预览容器的高度 |

📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

📥 Commits

Reviewing files that changed from the base of the PR and between ca4621e and f65b1e9.

📒 Files selected for processing (1)

• src/packages/uploader/uploader.scss (1 hunks)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 84.07%. Comparing base (ca4621e) to head (f65b1e9).
Report is 1 commits behind head on next.

Additional details and impacted files

@@           Coverage Diff           @@
##             next    #2822   +/-   ##
=======================================
  Coverage   84.07%   84.07%           
=======================================
  Files         217      217           
  Lines       17830    17830           
  Branches     2609     2609           
=======================================
  Hits        14991    14991           
  Misses       2834     2834           
  Partials        5        5           

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