Reactjs 如何在react引导表中添加react加载
我是react JS和react引导表的新手。我想在数据显示之前在我的react组件中添加react加载。因为数据显示时间太长了。但是不起作用 这是我的密码Reactjs 如何在react引导表中添加react加载,reactjs,react-bootstrap-table,Reactjs,React Bootstrap Table,我是react JS和react引导表的新手。我想在数据显示之前在我的react组件中添加react加载。因为数据显示时间太长了。但是不起作用 这是我的密码 import React, { Component } from 'react'; import { BootstrapTable, TableHeaderColumn } from 'react-bootstrap-table'; import PageHeader from 'react-bootstrap/lib/PageHeader
import React, { Component } from 'react';
import { BootstrapTable, TableHeaderColumn } from 'react-bootstrap-table';
import PageHeader from 'react-bootstrap/lib/PageHeader';
import database from './database';
import root from 'window-or-global';
import Loading from 'react-loading';
class User extends Component {
constructor(props) {
super(props);
this.state = {
text:'',
products: []
};
this.userRef = database.ref('users');
}
componentDidMount() {
this.userRef.on('value', this.gotData, this.errData);
}
gotData = (data) => {
let newProducts = []
const userdata = data.val();
const keys = Object.keys(userdata);
for (let i = 0; i < keys.length; i++) {
const k = keys[i];
newProducts.push({
name: userdata[k].nama, address: userdata[k].address, email: userdata[k].email
});
}
this.setState({products : newProducts});
}
errData = (err) => {
console.log(err);
}
handleClick = (rowKey) => {
alert(this.refs.table.getPageByRowKey(rowKey));
}
render() {
return (
<div>
<Loading type ='spinning-bubbles' color='#e3e3e3' />
<div className="col-lg-12">
<PageHeader>Members</PageHeader>
</div>
<BootstrapTable
ref='table'
data={ this.state.products }
pagination={ true }
search={ true }>
<TableHeaderColumn dataField='name' isKey={true} dataSort={true}>Name</TableHeaderColumn>
<TableHeaderColumn dataField='address' dataSort={true}>Address</TableHeaderColumn>
<TableHeaderColumn dataField='email'>Email</TableHeaderColumn>
</BootstrapTable>
</div>
);
}
}
export default User;
import React,{Component}来自'React';
从“react bootstrap table”导入{BootstrapTable,TableHeaderColumn};
从“react bootstrap/lib/PageHeader”导入PageHeader;
从“./数据库”导入数据库;
从“窗口或全局”导入根目录;
从“反应加载”导入加载;
类用户扩展组件{
建造师(道具){
超级(道具);
此.state={
文本:“”,
产品:[]
};
this.userRef=database.ref('users');
}
componentDidMount(){
this.userRef.on('value',this.gotData,this.errData);
}
gotData=(数据)=>{
让新产品=[]
const userdata=data.val();
const keys=Object.keys(userdata);
for(设i=0;i{
控制台日志(err);
}
handleClick=(行键)=>{
警报(this.refs.table.getPageByRowKey(rowKey));
}
render(){
返回(
成员
名称
地址
电子邮件
);
}
}
导出默认用户;
致以最良好的祝愿!希望回复。为此,首先在
状态
中维护一个bool
变量,该变量将跟踪是否获取数据,该bool
的初始值将为false
constructor(){
super();
this.state = {
isDataFetched: false,
}
}
现在有了一个属性React Bootstrap Table
,option
,用于设置默认值和自定义节点文本
,您可以这样使用:
<BootstrapTable
....
options={tableOtions}>
</BootstrapTable>
let tableOtions = {
noDataText: this._setTableOption(),
};
如果成功获取数据,则返回一些文本,如果数据为空,将显示这些文本,否则返回加载器:
_setTableOption(){
if(this.state.isDataFetched){
return "No expenses found";
}else{
return(
<RefreshIndicator size={40} left={0} top={0} status="loading" style={{position: 'relative', margin: '0px auto'}}/>
);
}
}
请告诉我代码必须放在哪里…-(@Mayank shukla检查更新的答案,使用相同的代码,只需更换加载程序部分,即可工作:)
import React, { Component } from 'react';
import { BootstrapTable, TableHeaderColumn } from 'react-bootstrap-table';
import PageHeader from 'react-bootstrap/lib/PageHeader';
import database from './database';
import root from 'window-or-global';
import Loading from 'react-loading';
class User extends Component {
constructor(props) {
super(props);
this.state = {
text:'',
products: [],
isDataFetched: false,
};
this.userRef = database.ref('users');
}
componentDidMount() {
this.userRef.on('value', this.gotData, this.errData);
}
gotData = (data) => {
let newProducts = []
const userdata = data.val();
const keys = Object.keys(userdata);
for (let i = 0; i < keys.length; i++) {
const k = keys[i];
newProducts.push({
name: userdata[k].nama, address: userdata[k].address, email: userdata[k].email
});
}
this.setState({products : newProducts, isDataFetched: true});
}
errData = (err) => {
console.log(err);
}
handleClick = (rowKey) => {
alert(this.refs.table.getPageByRowKey(rowKey));
}
_setTableOption(){
if(this.state.isDataFetched){
return "No expenses found";
}else{
return(
<RefreshIndicator size={40} left={0} top={0} status="loading" style={{position: 'relative', margin: '0px auto'}}/>
);
}
}
render() {
let tableOtions = {
noDataText: this._setTableOption(),
};
return (
<div>
<Loading type ='spinning-bubbles' color='#e3e3e3' />
<div className="col-lg-12">
<PageHeader>Members</PageHeader>
</div>
<BootstrapTable
ref='table'
data={ this.state.products }
pagination={ true }
search={ true }
options={tableOtions}>
>
<TableHeaderColumn dataField='name' isKey={true} dataSort={true}>Name</TableHeaderColumn>
<TableHeaderColumn dataField='address' dataSort={true}>Address</TableHeaderColumn>
<TableHeaderColumn dataField='email'>Email</TableHeaderColumn>
</BootstrapTable>
</div>
);
}
}
export default User;