点击下边对勾，上下都不消失，数组删除不掉选中的元素，这是哪里写错了

Question

componentWillReceiveProps(nextProps){
    if(this.props.parentid!== nextProps.parentid||this.props.keyword!== nextProps.keyword){
        this.getsymptomData(nextProps.parentid,nextProps.keyword,nextProps.checked)
    }
    if(this.state.selectItemArray&&nextProps.selectItemArray){
        let array = this.state.selectItemArray;
        let e =  nextProps.selectItemArray;
        if (e.target.checked==true){
            console.log("不变",e.target.value);
        }else{
            array.splice(e.target.value,1)
            console.log("删除",e.target.value);

        }
        console.log("this.state.selectItemArray",this.state.selectItemArray);
        console.log("nextProps.selectItemArray", nextProps.selectItemArray);
        // if(this.props.selectItemArray!== nextProps.selectItemArray){
            this.setState({selectItemArray:array})
        // }
    }
}

Answer 1

删除数组元素使用filter