规范

src/common/components/NumberPan/index.jsx

@@ -9,6 +9,7 @@ class NumberPan extends Component{
     this.state = {
       value:''
     }
+    this.handleSelect = this.handleSelect.bind(this);
   }
   handleSelect(e){
     e.stopPropagation();
@@ -57,7 +58,7 @@ class NumberPan extends Component{
     }
   }
   render(){
-    const select = this.handleSelect.bind(this); 
+    const select = this.handleSelect;
     const domNode = document.getElementById('root');
     return ReactDom.createPortal(
        <div className={style['panBox']} 

src/components/NumberDrop/index.jsx

@@ -32,7 +32,7 @@ class NumberDrop extends Component{
     this.$pre = React.createRef();
     this.$suf = React.createRef();
     this.$cont = React.createRef();
-    this.select = this.select.bind(this);
+    //this.select = this.select.bind(this);
     this.numInpBlur = this.numInpBlur.bind(this);
     this.handleSpanInp = this.handleSpanInp.bind(this);
     this.handleNumClick = this.handleNumClick.bind(this);
@@ -276,7 +276,7 @@ class NumberDrop extends Component{
             className={this.getSpanClass()}
             >&nbsp;{value||placeholder}</span>
       <span ref = {this.$suf}>&nbsp;{suffix}</span>
-      <NumberPan handleSelect={(text)=>this.select(text)}
+      <NumberPan handleSelect={this.select.bind(this)}
                  onClose={handleHide}
                  show={show} 
                  toClear={!hasSelect}