在antd中form 的rules限制输入为数字

                  排序
                  
                    
                      {getFieldDecorator('ordering', {
                        rules: [{required:true, pattern: new RegExp(/^[1-9]\d*$/, "g"),message: '请输入数字!' }],
                        getValueFromEvent: (event) => {
                          return event.target.value.replace(/\D/g,'')
                        },
                        initialValue :dictionary.ordering
                      })(
                        
                      )}