我正在使用 React js 和 botframework 网络聊天开发一个机器人应用程序。问题是我想在发送消息后清除文本输入框（从发送消息的位置） - 这是从建议中选择的。建议列表（或自动完成组件）是自定义编码的列表。我的意思是，如果我输入“hr”，则会弹出建议列表，如果我单击建议中的一个选项，例如“hr Portal”，它将被发送，但我写的内容（即“hr”）仍保留在那里在输入字段中，我想清除它。请注意，如果我输入一些内容并发送它，它工作正常。问题仅在于当我输入某些内容并从建议中选择某些内容时。其他一切都很好。我怎样才能清除这一点。任何帮助将非常感激。
请查看下图以获取更多理解。
这是我的代码；
import React from 'react';
import { DirectLine, ConnectionStatus } from 'botframework-directlinejs';
import ReactWebChat from 'botframework-webchat';
import './ChatComponent.css';
var val;
var apiParameters = [];
var currentFocus = -1;
export default class extends React.Component {
constructor(props) {
super(props);
this.state = {
token: '',
conversationId: '',
directLine: {},
view: false,
feedBack: null,
value: '',
popupContent: '',
storeValue: '',
suggestions: [],
suggestionCallback: '',
suggestionTypedText: "",
typingChecking: "false",
};
this.handleTokenGeneration = this.handleTokenGeneration.bind(this);
this.handleChange = this.handleChange.bind(this);
this.handleSaveFeedback = this.handleSaveFeedback.bind(this);
this.handleSuggestion = this.handleSuggestion.bind(this);
this.handleClose = this.handleClose.bind(this);
this.handleSuggestionClick = this.handleSuggestionClick.bind(this);
this.handleKeyDown = this.handleKeyDown.bind(this);
this.moveHighlight = this.moveHighlight.bind(this);
this.getSuggestionHtml = this.getSuggestionHtml.bind(this);
}
getSuggestionHtml(suggestion) {
const lowerCaseSuggestion = suggestion.toLowerCase();
return {
__html: lowerCaseSuggestion.includes(this.state.suggestionTypedText) ? lowerCaseSuggestion
.replace(this.state.suggestionTypedText, `<b>${this.state.suggestionTypedText}</b>`) : lowerCaseSuggestion
};
}
handleTokenGeneration = async () => {
console.log("11111");
const response = await fetch(`api/TokenGenerationService/GetToken`);
const data = await response.json();
this.setState({
token: data.categoryObject.token, conversationId:
data.categoryObject.conversationId
});
this.state.directLine = new DirectLine({ token: this.state.token });
this.setState({ view: true });
this.setState({ typingChecking: "true" });
console.log("conversationId");
};
async handleSuggestion(val, store) {
if (val === "") {
this.setState({
suggestions: []
});
}
else {
apiParameters = [];
var valuess = null;
const response = await fetch(`api/TokenGenerationService/GetAzureSearch?myparam1=${val}`);
const data = await response.json();
var values = ["Hello", "yes", "no", "exit", "Welcome", "Thank You", "Approve", "Apply leave", "Reject", "Absence Balance", "Leave Balance", "Upcoming Holidays", "Apply Comp-Off", "Approve Leave", "Raise Incident Tickets", "Project Allocation Info", "Reporting Manager Change", "Reporting Manager Approval", "Approve Isolve Tickets", "My Manager", "My Account Manager", "Generate Salary Certificate", "Isolve Ticket Status", "Internal Job Posting", "My Designation", "My Joining Date", "RM Approval", "RM Change", "Resource Allocation", "ESettlement Approval", "SO Approval", "Cash advance Approval", "Purchase Request Approval", "Referral status", "HR Ticket", "Platinum Support"];
valuess = values.filter(s =>
s.toLocaleLowerCase().startsWith(val.toLowerCase())
);
valuess = valuess.concat(data.az_search);
this.setState({
suggestions: valuess,
suggestionCallback: store,
suggestionTypedText: val.toLowerCase()
});
// alert(data.az_search);
var totCount = data.az_search;
console.log("kkkkkk" + totCount);
}
}
moveHighlight(event, direction) {
event.preventDefault();
const { highlightedIndex, suggestions } = this.state;
if (!suggestions.length) return;
let newIndex = (highlightedIndex + direction + suggestions.length) % suggestions.length;
if (newIndex !== highlightedIndex) {
this.setState({
highlightedIndex: newIndex,
});
}
}
keyDownHandlers = {
ArrowDown(event) {
this.moveHighlight(event, 1);
},
ArrowUp(event) {
this.moveHighlight(event, -1);
},
Enter(event) {
const { suggestions } = this.state;
if (!suggestions.length) {
// menu is closed so there is no selection to accept -> do nothing
return
}
event.preventDefault()
this.applySuggestion(suggestions[this.state.highlightedIndex]);
},
}
handleKeyDown(event) {
// console.log("lokkkkkkkkkkkk")
if (this.keyDownHandlers[event.key])
this.keyDownHandlers[event.key].call(this, event)
}
async handleSuggestionClick(event) {
await this.applySuggestion(event.currentTarget.textContent);
}
async applySuggestion(newValue) {
//newValue = null;
await this.setState({ typingChecking: "false", suggestions: [], highlightedIndex: 0 });
this.state.suggestionCallback.dispatch({
type: 'WEB_CHAT/SEND_MESSAGE',
payload: {
text: newValue
}
});
await this.setState({ typingChecking: "true" });
}
getSuggestionCss(index) {
var HIGHLIGHTED_CSS = "HIGHLIGHTED_CSS";
var SUGGESTION_CSS = "SUGGESTION_CSS";
return index === this.state.highlightedIndex ? HIGHLIGHTED_CSS : SUGGESTION_CSS;
}
handleClose(elmnt) {
var x = document.getElementsByClassName("autocomplete-items");
for (var i = 0; i < x.length; i++) {
if (elmnt !== x[i]) {
x[i].parentNode.removeChild(x[i]);
}
}
}
async componentDidMount() {
try {
await this.handleTokenGeneration();
const store =
window.WebChat.createStore(
{},
({ getState }) => next => action => {
this.state.directLine.connectionStatus$
.subscribe(connectionStatus => {
if (connectionStatus === ConnectionStatus.ExpiredToken) {
console.log("expired");
}
if (action.type === 'WEB_CHAT/SET_SEND_BOX') {
const val = action.payload.text;
if (this.state.typingChecking === "true") {
this.setState({
highlightedIndex: -1,
});
console.log(this.state.typingChecking);
this.handleSuggestion(val, store);
}
}
if (action.type === 'DIRECT_LINE/DISCONNECT_FULFILLED') {
console.log("final" + connectionStatus);
console.log("finalexpired" + ConnectionStatus.ExpiredToken);
console.log("final");
this.handleTokenGeneration();
}
});
return next(action)
}
);
this.setState({ storeValue: store });
} catch (error) {
console.log("error in fetching token");
console.log(error);
}
this.state.directLine.activity$
.filter(activity => activity.type === 'message')
.subscribe(function (activity) {
//console.log("oooooooooooooooooooooo");
}
// message => console.log("received message ", message.text)
);
}
handleSaveFeedback(ans) {
// console.log(this.state.conversationId);
// console.log(this.state.feedBack);
var userID = "C94570";
var feedbackmsg = this.state.value;
var feedbacktype = this.state.feedBack;
var convId = this.state.conversationId;
fetch('api/Feedback/SaveFeedback',
{
method: "POST",
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({ Uid: userID, FeedbackMessage: feedbackmsg, Convid: convId, FeedbackType: feedbacktype })
}).
then(response => response.text())
.then(data => {
console.log(data.getResult);
});
this.setState({ value: '' });
}
feedback(ans) {
this.setState({ feedBack: ans });
if (ans === "Send") {
this.handleSaveFeedback(ans);
}
else if (ans === "Yes") {
this.setState({ popupContent: "How was your experience?" });
// console.log(this.state.value)
}
else if (ans === "No") {
this.setState({ popupContent: "What went wrong?" });
// console.log(this.state.value)
}
}
handleChange = (event) => {
this.setState({ value: event.target.value });
}
styleOptions = {
bubbleBackground: 'rgba(0, 0, 255, .1)',
bubbleFromUserBackground: 'rgba(0, 255, 0, .1)',
botAvatarInitials: 'DIA',
userAvatarInitials: 'ME'
}
render() {
if (!this.state.view) {
return
<div />
} else {
const filteredSuggestions = this.state.suggestions.filter(
suggestion =>
suggestion.toLowerCase().indexOf(this.state.suggestionTypedText.toLowerCase())
> -1
);
// console.log(this.state.view);
return (
<div className="react-container webchat" >
<div onKeyDown={this.handleKeyDown.bind(this)}>
<div >
<ReactWebChat styleOptions={this.styleOptions} directLine={this.state.directLine} webSocket={true} userID='C94570' username='Thomas' store={this.state.storeValue} sendTypingIndicator={true} />
</div>
</div>
<div className="SuggestionParent" id="Suggestion1">
{this.state.suggestions.map((suggestion, index) => (
<div className={this.getSuggestionCss(index)} key={index} onClick={this.handleSuggestionClick} >
{suggestion
.toLowerCase()
.startsWith(this.state.suggestionTypedText) ? (
<div>
<b>{this.state.suggestionTypedText}</b>
{suggestion
.toLowerCase()
.replace(this.state.suggestionTypedText, "")}
</div>
) : (
<div dangerouslySetInnerHTML={this.getSuggestionHtml(suggestion)} />
)}
</div>
))}
</div>
<footer className="chat-footer" >
<div className="foot-footer">
Was I helpful ?
<span className="feedback" onClick={() => this.feedback("Yes")} >Yes</span><span>|</span><span className="feedback" onClick={() => this.feedback("No")}>No</span>
{
this.state.feedBack === "Yes" || this.state.feedBack === "No" ?
(
<div className="dialog" id="myform">
<div id="textfeedback">
<span id="closeFeedback" onClick={() => this.feedback("Close")}>X</span>
<p>{this.state.popupContent}</p>
<input type="text" id="feedbacktxtbox" required name="textfeedback" placeholder="Pleasure to hear from u!"
onChange={this.handleChange}
value={this.state.value} />
<button type="button" id="btnfeedback" onClick={() => this.feedback("Send")}>send</button>
</div>
</div>
) : null
}
</div>
</footer>
</div>
);
}
}
}
