FormItem label=合同金额 name=contractAmount rules= required true message 请输入合同金额！ pattern ^1-90-9+0-912$^01$^0-90-90-9$ message 格式错误只保留两位小数! validateTrigger onBlur onChange

<Form.Item label="合同金额" name="contractAmount" rules={[ { required: true, message: '请输入合同金额！' }, { pattern: /(^1-9?(.[0-9]{1,2})?$)|(^(0){1}$)|(^[0-9].0-9?$)/, message: '格式错误，只保留两位小数!', validateTrigger: ['onBlur', 'onChange'], }, ]}

<Input addonAfter="万" onBlur={(e) => { const value = parseFloat(e.target.value); if (isNaN(value)) { return; } e.target.value = value.toFixed(2); }} /> </Form.Item>自动补充两位小数