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2017HelloJs Homework #4

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3 changes: 2 additions & 1 deletion index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -5,11 +5,12 @@
<title>HelloJS React Basic Demo</title>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
</head>

<body>
<div id="root"></div>
</body>
<script src="/dist/bundle.js"></script>

</html>
</html>
17 changes: 15 additions & 2 deletions src/App.jsx
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Original file line number Diff line number Diff line change
Expand Up @@ -3,14 +3,27 @@ import TodoList from './TodoList.jsx'
import TodoAddForm from './TodoAddForm.jsx'

class TodoApp extends React.Component {
state = {
todos: ['Hello','world']
}
addTodo = (val) => {
this.state.todos.push(val);
this.setState({todos:this.state.todos});
}
removeTode = (id) => {
this.state.todos.splice(id,1)
this.setState({todes:this.state.todes})
}

render() {
return (
<div>
<h2>Todo App</h2>
123
<TodoAddForm addTodo={this.addTodo}></TodoAddForm>
<TodoList todos={this.state.todos} removeTode={this.removeTode}></TodoList>
</div>
);
}
}

export default TodoApp;
export default TodoApp;
26 changes: 20 additions & 6 deletions src/TodoAddForm.jsx
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Original file line number Diff line number Diff line change
@@ -1,18 +1,32 @@
import React from 'react'

class TodoAddForm extends React.Component {
state = {
inputText: ''
constructor(props){
super(props)
this.state = {
inputText: ''
}
}

handleChange = (e) => {

this.setState({inputText: e.target.value})
}

addTodo = () => {
if (this.state.inputText !== "") {
this.props.addTodo(this.state.inputText.trim());
this.setState({inputText:""})
}
}

render() {
return (
<div>
<input type="text" value={this.state.inputText}/>
<button>新增</button>
<input type="text" value={this.state.inputText} onChange={this.handleChange}/>
<button onClick={this.addTodo}>新增</button>
</div>
);
}
}

export default TodoAddForm;
export default TodoAddForm;
16 changes: 14 additions & 2 deletions src/TodoItem.jsx
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Original file line number Diff line number Diff line change
@@ -1,13 +1,25 @@
import React from 'react'

class TodoItem extends React.Component {
constructor(props){
super(props)
}

removeTode = () => {
this.props.removeTode(this.props.pid)
}

render() {
return (
<div>

<ul>
<li style={{fontSize:22,listStyle:'none'}}><span style={{marginRight: 30}}>{this.props.pid+1}</span>{this.props.todo}
<i className='fa fa-times' style={{fontSize:22,margin:10,color:'#f24'}} onClick={this.removeTode}></i>
</li>
</ul>
</div>
);
}
}

export default TodoItem;
export default TodoItem;
13 changes: 11 additions & 2 deletions src/TodoList.jsx
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Original file line number Diff line number Diff line change
Expand Up @@ -2,13 +2,22 @@ import React from 'react'
import TodoItem from './TodoItem.jsx'

class TodoList extends React.Component {
constructor(props){
super(props)
}
render() {
return (
<div>

{
this.props.todos.map((todo, i) => {
return(
<TodoItem todo={todo} key={i} pid={i} removeTode={this.props.removeTode}></TodoItem>
);
})
}
</div>
);
}
}

export default TodoList;
export default TodoList;