修改温度加减的问题

src/control.js

@@ -18,6 +18,12 @@ export default class Control extends PureComponent {
 
     componentWillMount() {
         this.getData();
+        this.interval = setInterval(() => this.getData(), 300000);
+    }
+
+    //组件销毁的时候清除定时器就行
+    componentWillUnmount() {
+        clearInterval(this.interval);
     }
 
     // 获取数据
@@ -60,16 +66,7 @@ export default class Control extends PureComponent {
             axios.post("/api/v1/set_temp",{temp : temperature + 1}).then(res => {
                 const data = res?.data;
                 if(data && data.code === 0){
-                    this.setState((prevState)=>{
-                        if(prevState && prevState.temperature > 30){
-                            this.toast('最高温度30度',2000);
-                            return false
-                        }
-                        return {
-                            temperature : prevState.temperature++,
-                            ...prevState
-                        }
-                    })
+                    this.setState({temperature : temperature + 1});
                 }else {
                     this.toast(data.message,2000);
                 }
@@ -88,12 +85,7 @@ export default class Control extends PureComponent {
             axios.post("/api/v1/set_temp",{temp : temperature - 1}).then(res => {
                 const data = res?.data;
                 if(data && data.code === 0){
-                    this.setState((prevState)=>{
-                        return {
-                            temperature : prevState.temperature--,
-                            ...prevState
-                        }
-                    })
+                    this.setState({ temperature : temperature - 1})
                 }else {
                     this.toast(data.message,2000);
                 }
@@ -165,7 +157,7 @@ export default class Control extends PureComponent {
 
     render() {
 
-        const { temperature , pattern , windSpeed , selectType , openVisible , data } = this.state;
+        const { pattern , windSpeed , openVisible , data } = this.state;
         return (
             <div className="control">
                 <div className='control_item'>
@@ -177,7 +169,7 @@ export default class Control extends PureComponent {
                     </div>
                     <div className='expected_temperature'>
                         <div style={{ fontSize: '20px' }}>预计温度</div>
-                        <div style={{ fontSize: '50px', marginTop: '60px' }}>{temperature}℃</div>
+                        <div style={{ fontSize: '50px', marginTop: '60px' }}>{this.state.temperature}℃</div>
                     </div>
                     <div>
                         <div className='up' onClick={this.add}>