Input输入框内即时显示输入字符个数，并对字符个数进行限制

<Row className="c-row">
	<Col className="c-col">
    	<span className="red-star">*&nbsp;</span>
        <span className="c-title">商家联系人</span>
    </Col>
    <Input
    	placeholder="请输入名称"
        className="c-input"
        value={name}
        suffix={name.length + '/10'}
        maxLength={10}
        onChange={(e) => {
        	let val = e.target.value;
            this.setState({
            	name: val,
            });
		}}
	/>
</Row>