Javascript 如何制作<;输入>;价值柔性
我有两个ReactJS组件,第一个将显示网格。单击一行时,它将使用名称填充2组件 但当我试图编辑输入框时,它无法更改。ReactJS中处理此问题的正确方法是什么Javascript 如何制作<;输入>;价值柔性,javascript,reactjs,Javascript,Reactjs,我有两个ReactJS组件,第一个将显示网格。单击一行时,它将使用名称填充2组件 但当我试图编辑输入框时,它无法更改。ReactJS中处理此问题的正确方法是什么 class NameForm extends React.Component { constructor(props) { super(props); this.state = { formName : ''} this.handleFormName = this.handleFo
class NameForm extends React.Component {
constructor(props) {
super(props);
this.state = { formName : ''}
this.handleFormName = this.handleFormName.bind(this);
this.handleSubmit = this.handleSubmit.bind(this);
}
handleFormName(e) {
console.log(e.target.value);
this.setState({ formName: e.target.value });
}
handleSubmit(event) {
console.log(this.state.formName);
axios.post(this.props.UrlPost, { FirstName: this.state.formName })
.then(function (response) {
});
event.preventDefault();
}
render() {
return (
<form onSubmit={this.handleSubmit}>
<label>
Name:
<input type="text" value={this.props.Name} onChange={this.handleFormName} />
</label>
<input type="submit" value="Submit" />
</form>
);
}
}
class ComponentWithGriddle extends React.Component {
constructor(props) {
super(props);
this.state = {
selectedRowId: 0,
};
}
onRowClick(row) {
console.log(row.props.data.name);
this.setState({ selectedRowId: row.props.data.id });
this.props.handleNameChange(row.props.data.name);
}
render() {
var rowMetadata = {bodyCssClassName: rowData => (rowData.id === this.state.selectedRowId ? "selected" : '')};
//console.log(rowMetadata);
return (
<Griddle results={fakeData} onRowClick={this.onRowClick.bind(this)} columnMetadata={columnMeta} useFixedHeader={true} rowMetadata={rowMetadata} useGriddleStyles={true} />
);
}
}
class RootFrame extends React.Component {
constructor(props) {
super(props);
this.handleNameChange = this.handleNameChange.bind(this);
this.state = { Name: '' };
}
handleNameChange(name)
{
this.setState({ Name: name });
}
render() {
return (
<div>
<ComponentWithGriddle Name={this.state.Name} handleNameChange={this.handleNameChange} />
<NameForm UrlPost={this.props.UrlPost} Name={this.state.Name}/>
</div>
);
};
}
var emptyData = [];
var columnMeta = [
{
"columnName": "id",
"order": 1,
"locked": false,
"visible": true,
"displayName": "ID"
},
{
"columnName": "name",
"order": 2,
"locked": false,
"visible": true,
"displayName": "Name"
},
{
"columnName": "city",
"order": 3,
"locked": false,
"visible": true
},
{
"columnName": "state",
"order": 4,
"locked": false,
"visible": true
},
{
"columnName": "country",
"order": 5,
"locked": false,
"visible": true
},
{
"columnName": "company",
"order": 6,
"locked": false,
"visible": true
},
{
"columnName": "favoriteNumber",
"order": 7,
"locked": false,
"visible": true,
"displayName": "Favorite Number"
}
];
var rowMeta =
{
"key": "id"
};
var propertyGridMeta = [
{
"columnName": "property",
"order": 1,
"locked": false,
"visible": true,
"cssClassName": "properties-name",
"displayName": "Property"
},
{
"columnName": "description",
"order": 2,
"locked": false,
"visible": true,
"cssClassName": "properties-description",
"displayName": "Description"
},
{
"columnName": "type",
"order": 3,
"locked": false,
"visible": true,
"cssClassName": "properties-type",
"displayName": "Type"
},
{
"columnName": "default",
"order": 4,
"locked": false,
"visible": true,
"cssClassName": "properties-default",
"displayName": "Default"
}
]
var fakeData = [
{
"id": 0,
"name": "Mayer Leonard",
"city": "Kapowsin",
"state": "Hawaii",
"country": "United Kingdom",
"company": "Ovolo",
"favoriteNumber": 7
},
{
"id": 1,
"name": "Koch Becker",
"city": "Johnsonburg",
"state": "New Jersey",
"country": "Madagascar",
"company": "Eventage",
"favoriteNumber": 2
},
{
"id": 2,
"name": "Lowery Hopkins",
"city": "Blanco",
"state": "Arizona",
"country": "Ukraine",
"company": "Comtext",
"favoriteNumber": 3
},
];
ReactDOM.render(<RootFrame UrlPost={'Home/SaveData'}/>,
document.getElementById("demoForm"));
类名称表单扩展了React.Component{
建造师(道具){
超级(道具);
this.state={formName:'}
this.handleFormName=this.handleFormName.bind(this);
this.handleSubmit=this.handleSubmit.bind(this);
}
handleFormName(e){
console.log(如target.value);
this.setState({formName:e.target.value});
}
handleSubmit(事件){
console.log(this.state.formName);
post(this.props.UrlPost,{FirstName:this.state.formName})
.然后(功能(响应){
});
event.preventDefault();
}
render(){
返回(
姓名:
);
}
}
类ComponentWithGriddle扩展React.Component{
建造师(道具){
超级(道具);
此.state={
selectedRowId:0,
};
}
onrow单击(行){
log(row.props.data.name);
this.setState({selectedRowId:row.props.data.id});
this.props.handleNameChange(row.props.data.name);
}
render(){
var rowMetadata={bodyCssClassName:rowData=>(rowData.id==this.state.selectedRowId?“selected”:“”)};
//console.log(rowmatadata);
返回(
);
}
}
类RootFrame扩展了React.Component{
建造师(道具){
超级(道具);
this.handleNameChange=this.handleNameChange.bind(this);
this.state={Name:''};
}
handleNameChange(名称)
{
this.setState({Name:Name});
}
render(){
返回(
);
};
}
var emptyData=[];
变量columnMeta=[
{
“columnName”:“id”,
"命令":一,,
“锁定”:false,
“可见”:真实,
“displayName”:“ID”
},
{
“columnName”:“name”,
"命令":二,,
“锁定”:false,
“可见”:真实,
“显示名称”:“名称”
},
{
“columnName”:“城市”,
“命令”:3,
“锁定”:false,
“可见”:真实
},
{
“columnName”:“state”,
“命令”:4,
“锁定”:false,
“可见”:真实
},
{
“columnName”:“国家”,
“命令”:5,
“锁定”:false,
“可见”:真实
},
{
“columnName”:“公司”,
“命令”:6,
“锁定”:false,
“可见”:真实
},
{
“columnName”:“favoriteNumber”,
“命令”:7,
“锁定”:false,
“可见”:真实,
“displayName”:“最喜爱的号码”
}
];
var rowMeta=
{
“密钥”:“id”
};
var propertyGridMeta=[
{
“columnName”:“属性”,
"命令":一,,
“锁定”:false,
“可见”:真实,
“cssClassName”:“属性名称”,
“displayName”:“属性”
},
{
“columnName”:“说明”,
"命令":二,,
“锁定”:false,
“可见”:真实,
“cssClassName”:“属性描述”,
“显示名称”:“说明”
},
{
“columnName”:“类型”,
“命令”:3,
“锁定”:false,
“可见”:真实,
“cssClassName”:“属性类型”,
“显示名称”:“类型”
},
{
“columnName”:“默认值”,
“命令”:4,
“锁定”:false,
“可见”:真实,
“cssClassName”:“属性默认值”,
“displayName”:“默认值”
}
]
var fakeData=[
{
“id”:0,
“姓名”:“迈耶·伦纳德”,
“城市”:“卡波辛”,
“州”:“夏威夷”,
“国家”:“联合王国”,
“公司”:“Ovolo”,
“favoriteNumber”:7
},
{
“id”:1,
“姓名”:“科赫贝克尔”,
“城市”:“约翰逊堡”,
“州”:“新泽西州”,
“国家”:“马达加斯加”,
“公司”:“事件时代”,
“favoriteNumber”:2
},
{
“id”:2,
“姓名”:“Lowery Hopkins”,
“城市”:“布兰科”,
“州”:“亚利桑那州”,
“国家”:“乌克兰”,
“公司”:“Comtext”,
“favoriteNumber”:3
},
];
ReactDOM.render(,
document.getElementById(“demoForm”);
基本上,我正在尝试选择一行,同时可以更改名称并单击submit
从网格中选择的行
从“名称”字段,用户可以更改名称。您的输入无效,因为您正在为输入设置静态值
this.props.Name
。为了编辑您的输入并仍然使用this.props.Name
设置初始值,您应该使用state
class NameForm extends React.Component {
constructor(props) {
super(props);
this.state = { formName : '', inputName: ''}
this.handleFormName = this.handleFormName.bind(this);
this.handleSubmit = this.handleSubmit.bind(this);
}
componentDidMount() {
this.setState({inputName: this.props.Name});
}
handleFormName(e) {
console.log(e.target.value);
this.setState({ formName: e.target.value });
}
handleSubmit(event) {
console.log(this.state.formName);
this.setState({inputName: event.target.value});
axios.post(this.props.UrlPost, { FirstName: this.state.formName })
.then(function (response) {
});
event.preventDefault();
}
render() {
return (
<form onSubmit={this.handleSubmit}>
<label>
Name:
<input type="text" value={this.state.inputName} onChange={this.handleFormName.bind(this)} />
</label>
<input type="submit" value="Submit" />
</form>
);
}
}
类名称表单扩展了React.Component{
建造师(道具){
超级(道具);
this.state={formName:'',inputName:''}
this.handleFormName=this.handleFormName.bind(this);
this.handleSubmit=this.handleSubmit.bind(this);
}
componentDidMount(){
this.setState({inputName:this.props.Name});
}
handleFormName(e){
console.log(如target.value);
this.setState({formName:e.target.value});
}
handleSubmit(事件){
console.log(this.state.formName);
this.setState({inputName:event.target.value});
post(this.props.UrlPost,{FirstName:this.state.formName})
.然后(功能(响应){
});
event.preventDefault();
}
render(){
返回(
姓名:
);
}
}
您的输入不起作用,因为您正在为输入设置一个静态值this.props.Name
。为了编辑您的输入并仍然使用this.props.Name
设置初始值,您应该使用state
class NameForm extends React.Component {
constructor(props) {
super(props);
this.state = { formName : '', inputName: ''}
this.handleFormName = this.handleFormName.bind(this);
this.handleSubmit = this.handleSubmit.bind(this);
}
componentDidMount() {
this.setState({inputName: this.props.Name});
}
handleFormName(e) {
console.log(e.target.value);
this.setState({ formName: e.target.value });
}
handleSubmit(event) {
console.log(this.state.formName);
this.setState({inputName: event.target.value});
axios.post(this.props.UrlPost, { FirstName: this.state.formName })
.then(function (response) {
});
event.preventDefault();
}
render() {
return (
<form onSubmit={this.handleSubmit}>
<label>
Name:
<input type="text" value={this.state.inputName} onChange={this.handleFormName.bind(this)} />
</label>
<input type="submit" value="Submit" />
</form>
);
}
}
类名称表单扩展了React.Component{
建造师(道具){
超级(道具);
this.state={formName:'',inputName:''}