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[英]How do I use part of a returned object from an API request as what the function returns?
[英]How do I use the data returned from a handleSubmit function in a modal to display what the user has entered?
在底部,我列出了我希望從列出的表單中獲取此信息的位置,但我無法弄清楚如何在 HTML 中使用我的 handleSubmit 中記錄的內容。 handleSubmit 中的所有日志都正確返回。 有沒有比嘗試使用表單返回的事件更好的方法來顯示此信息?
class NameForm extends React.Component {
state = {
isOpen: false
};
openModal = () => this.setState({ isOpen: true });
closeModal = () => this.setState({ isOpen: false });
handleSubmit = (event) => {
event.preventDefault()
console.log(event.target[0].value)
console.log(event.target[1].value)
console.log(event.target[2].value)
console.log(event.target[3].value)
}
render() {
return (
<div className = "form-box">
<h5 className = "form-step"> Enter you order below </h5>
<br />
<form onSubmit={this.handleSubmit}>
<div className = "field1">
<label>
Crust :
<input
type="text"
name="Crust"
ref={node => (this.inputNode = node)}
/>
</label>
<br />
<label>
Flavor :
<input
type="text"
name="Flavor"
ref={node => (this.inputNode = node)}
/>
</label>
<br />
<label>
Size :
<input
type="text"
name="Size"
ref={node => (this.inputNode = node)}
/>
</label>
<br />
<label>
Table # :
<input
type="number"
name="Table"
ref={node => (this.inputNode = node)}
/>
</label>
<br />
</div>
<button type="submit" className="submitBtn" onClick={this.openModal}>Submit</button>
<Modal
show={this.state.isOpen}
onHide={this.closeModal}
size="lg"
aria-labelledby="contained-modal-title-vcenter"
centered
>
<Modal.Header closeButton>
<Modal.Title id="contained-modal-title-vcenter">
Thank you for ordering with us, here is what you got!
</Modal.Title>
</Modal.Header>
<Modal.Body>
<p id="order">
I want the information about the users order here
</p>
</Modal.Body>
</Modal>
</form>
</div>
)
}
}
您應該按照此處的文檔中的描述控制輸入元素,因為這樣您將始終擁有狀態中可用的輸入值,並決定隨時顯示它。
這就是你的情況 --> https://codesandbox.io/s/zealous-dust-bdflk?file=/src/App.js
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