我看过ReactTransitionGroup的例子。在这些示例中,我们对待办事项列表的新表行和已删除表行进行动画处理。示例中显示的动画是淡入淡出动画。如何展开/缩小表格行而不是淡入淡出动画?
我的组件代码:
import React, { Component } from 'react';
import './App.css';
import TransitionGroup from 'react-transition-group/TransitionGroup';
import CSSTransition from 'react-transition-group/CSSTransition';
class App extends Component {
state = { name: '', names: [] };
handleNameChange(e) {
this.setState({ name: e.target.value });
}
handleSubmit() {
let { names } = this.state;
names = names.slice();
names.push(this.state.name);
this.setState({ names });
}
handleDelete(index) {
let { names } = this.state;
names = names.slice();
names.splice(index, 1);
this.setState({ names });
}
render() {
return (
<div className="app">
<input type="text" placeholder="Enter name" value={this.state.name} onChange={this.handleNameChange.bind(this)} />
<button onClick={this.handleSubmit.bind(this)}>Submit</button>
<table border="1" style={{ marginTop: 20 }}>
<thead>
<tr>
<th width="300">Name</th>
<th width="100">Delete</th>
</tr>
</thead>
<TransitionGroup component="tbody">
{this.state.names.map((name, index) => (
<CSSTransition
key={index}
timeout={5000}
classNames="fade"
>
<tr>
<td>{name}</td>
<td>
<button onClick={this.handleDelete.bind(this, index)}>Delete</button>
</td>
</tr>
</CSSTransition>
))}
</TransitionGroup>
</table>
</div>
);
}
}
export default App;
我的CSS:
.fade-enter {
max-height: 0;
}
.fade-enter-active {
max-height: 40px;
transition: all 5000ms ease-in;
}
.fade-exit {
max-height: 40px;
}
.fade-exit-active {
max-height: 0;
transition: all 5000ms ease-in;
}
它不做任何高度动画!
最佳答案
我得到了 related answer 的帮助.
将每个 td 内容包裹在一个 div 中。
<TransitionGroup component="tbody">
{this.state.names.map((name, index) => (
<CSSTransition
key={index}
timeout={500}
classNames="fade"
>
<tr>
<td><div>{name}</div></td>
<td>
<div><button onClick={this.handleDelete.bind(this, index)}>Delete</button></div>
</td>
</tr>
</CSSTransition>
))}
</TransitionGroup>
使用 CSS Transition 类设置 div 的样式。
.fade-enter div {
overflow-y: hidden;
max-height: 0;
}
.fade-enter-active div {
max-height: 50px;
transition: all 500ms ease-in;
}
.fade-exit div {
max-height: 50px;
}
.fade-exit-active div {
max-height: 0;
overflow-y: hidden;
transition: all 500ms ease-in;
}
关于reactjs - 在 React 中对表格行的显示/隐藏进行动画处理,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/51011293/