小编meh*_*ine的帖子

我试图检索我的复选框的检查值，但我得到空值这是我的代码

<form onSubmit={this.onSubmit}>
<fieldset>
<legend>RFX/RFP:</legend>
<div className="form-check">
  <input type="checkbox" className="form-check-input" onChange={this.onChange}  value={this.state.rfx} name="rfx" id="rfx" />
  <label className="form-check-label"  name="rfx">RFX</label>
  &nbsp; &nbsp; &nbsp; &nbsp;

  <input type="checkbox" className="form-check-input" onChange={this.onChange}  value={this.state.rfp}  name="rfp" id="rfp"  />
  
  <label className="form-check-label" >RFP</label>
  &nbsp; &nbsp; &nbsp; &nbsp;

  <input type="checkbox" className="form-check-input" onChange={this.onChange}  value={this.state.rfp_x}  name="rfp(x)" id="rfp(x)"/>
  <label className="form-check-label" >RFP(X)</label>
  &nbsp; &nbsp; &nbsp; &nbsp;


  <input type="checkbox" className="form-check-input"  onChange={this.onChange}name="all" id="all" />
  <label className="form-check-label"  name="all" id="all">ALL</label>
</div>
</form>

和我的方法：

constructor(props){
    super(props)
    this.state={
      rfp:"",
      rfx:"",
      rfp_x:"",
      all:"",
    
 
    }
    this.onChange =  this.onChange.bind(this);
    this.onSubmit = this.onSubmit.bind(this);
   }
  onChange(e){ …