this.xxx.bind(this,pram) 方法的传递
App.js
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|
···
constructor() {
super()
this.state = {
title: '待办事项',
desc: '今日是，今日比',
article: '<div>asdasd<i>asdasdasdasd</i></div>',
todos: [
{
id: 1,
title: '吃饭',
assignee: 'leo',
isCompleted: true
}, {
id: 2,
title: '睡觉',
assignee: 'xiaoming',
isCompleted: false
},
]
}
}
addTodo = (todoTitle) => {
console.log(todoTitle)
this.setState({
todos: this.state.todos.concat({
id: Math.random(),
title: todoTitle,
assignee: 'xxx',
isCompleted: false
})
})
}
···
<TodoInput
btnText="Add"
addTodo={this.addTodo}
/>
···
|
input.js
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| import React, { Component } from 'react'
import PropTypes from 'prop-types'
export default class TodoInput extends Component {
static propTypes = {
btnText: PropTypes.string
}
static defaultProps = {
btnText: '添加todo'
}
constructor() {
super();
this.state = {
inputValue: 'asdas'
}
}
handleInputChange = (e) => {
console.log(e.currentTarget.value);
this.setState({
inputValue: e.currentTarget.value
})
}
handleAddClickUseBind() {
console.log(this.state)
}
handleAddClickTest = (id) => {
console.log(id)
console.log(this.state)
}
handleAddClick = () => {
this.props.addTodo(this.state.inputValue)
}
render() {
return (
<div>
<input type="input" value={this.state.inputValue} onChange={this.handleInputChange}></input>
<button onClick={this.handleAddClick}>{this.props.btnText}</button>
<br />
other test
<button onClick={this.handleAddClickTest}>{this.props.btnText}</button>
<button onClick={this.handleAddClickUseBind.bind(this, 123)}>{this.props.btnText}:usebind</button>
<button onClick={() => { console.log(this.state) }}>{this.props.btnText}:use()->{'{'}{'}'}</button>
<button onClick={this.handleAddClickTest.bind(this, 1234)}>{this.props.btnText}:use()->{'{'}{'}'}</button>
</div>
)
}
}
|