Javascript Antd选择表单项键盘行为问题
我有一个表格,在大多数情况下都很好用。但有一件事让我感到不安,那就是用于输入一个人状态的选择项(见下面的屏幕截图)。它可以很好地使用鼠标,但是如果您在表单中使用tab键,并将tab键指向State字段,然后键入一个类似加州的州,然后将tab键指向下一个字段zipcode,State字段将重置为空白。如果它与选择器的一个选项匹配,我希望它继续填充CA 如果我键入CA并按enter键前进到下一个字段,它确实可以工作,但这似乎并不能直观地了解表单的正常工作方式。如果我只使用鼠标选择字段,它也可以工作。我一直在查看Select上的antd文档,没有看到任何可以控制这一点的东西。也许我遗漏了什么,我需要做一些onchange函数 不管怎么说,这似乎是一个相当简单的问题,但解决办法是我逃避 选择表单项的代码: 艾尔 AK 阿兹 应收账 加利福尼亚州 一氧化碳 计算机断层扫描 判定元件 佛罗里达州 GA 你好 身份证件 白细胞介素 在里面 IA KS 基尼 洛杉矶 我 医学博士 文科硕士 医疗保险 锰 太太 卫生官员 机器翻译 氖 内华达州 全日空航空公司 新泽西州 纳米 纽约 数控 钕 哦 好啊 或 帕 RI 联合国安全理事会 SD 总氮 德克萨斯州 美国犹他州 及物动词 弗吉尼亚州 华盛顿州 WV WI WY 像 直流 调频 顾 MH 议员 嗯 公共关系 不及物动词 更新1 因此,根据评论中的建议和我在表单控制部分下注意到的类似方法,我在我的类中添加了一个formRef=React.createRef 然后在我的表单标记中添加了一个ref={this.formRef}标记。然后通过添加onBlur标记修改了我的选择,该标记触发setFieldsValue以设置输入的大写版本 这可以很好地编译和运行。它甚至输出console.log语句。但由于某种原因,它没有设置字段值,我也不知道为什么 回来 { {fields,{add,remove}=>{ 回来 {fields.mapfield,索引=> { **console.logonblur:,事件; **this.formRef.current.setFieldsValue{state:event.target.value.toUpperCase}; ** }} > 更新2 调用onFinish时值的屏幕截图。注意,这是一个动态表单,用户可以通过单击“添加申请者”按钮添加其他申请者。每个申请者都有显示的字段,包括他们居住的州Javascript Antd选择表单项键盘行为问题,javascript,reactjs,antd,Javascript,Reactjs,Antd,我有一个表格,在大多数情况下都很好用。但有一件事让我感到不安,那就是用于输入一个人状态的选择项(见下面的屏幕截图)。它可以很好地使用鼠标,但是如果您在表单中使用tab键,并将tab键指向State字段,然后键入一个类似加州的州,然后将tab键指向下一个字段zipcode,State字段将重置为空白。如果它与选择器的一个选项匹配,我希望它继续填充CA 如果我键入CA并按enter键前进到下一个字段,它确实可以工作,但这似乎并不能直观地了解表单的正常工作方式。如果我只使用鼠标选择字段,它也可以工作。
const onFinish = (values) => {
console.log("onFinish: ", values);
this.props.onSubmit({
applicants: values.applicants,
});
};
更新3
试图模仿这种方法,但是由于某些原因,在由值返回的对象中,状态不存在,最终我得到一个未捕获的typeerror,并且状态不填充
更新4
因此,可以肯定的是,移除表单标记中的name属性解决了上述问题,并且按照预期工作,没有出现错误
为了收尾
这个问题希望它能帮助其他人,我想捕获解决方案。最终,解决方案相当于这样做,当用户从有问题的字段中签出时,字段的值设置为用户键入的值。这是通过将onBlur标记添加到我的antd Select标记来完成的。onBlur在用户将选项卡移出字段时激发。然后将字段设置为输入的字符。由于使用了动态表单和嵌套对象数组,结果比我想象的要复杂
注意,状态现在显示在value下,namepath与代码期望的匹配
到目前为止,我的最终代码如下所示
import React from "react";
import { Form, Input, Col, Row, Select, Button } from "antd";
import { PlusOutlined, MinusCircleTwoTone } from "@ant-design/icons";
const InputGroup = Input.Group;
const Option = Select.Option;
const { TextArea } = Input;
const maxApplicants = 4;
const rules = [{ required: true }];
const STATES = [
"AL",
"AK",
"AZ",
"AR",
"CA",
"CO",
"CT",
"DE",
"DC",
"FM",
"FL",
"GA",
"GU",
"HI",
"ID",
"IL",
"IN",
"IA",
"KS",
"KY",
"LA",
"ME",
"MH",
"MD",
"MA",
"MI",
"MN",
"MS",
"MO",
"MT",
"NE",
"NV",
"NH",
"NJ",
"NM",
"NY",
"NC",
"ND",
"MP",
"OH",
"OK",
"OR",
"PW",
"PA",
"PR",
"RI",
"SC",
"SD",
"TN",
"TX",
"UT",
"VT",
"VI",
"VA",
"WA",
"WV",
"WI",
"WY",
];
const validateMessages = {
required: "Required!",
types: {
email: "Invalid E-mail!",
number: "Invalid Number!",
},
number: {
range: "Must be between ${min} and ${max}",
},
};
const formItemLayout = {
labelCol: {
xs: { span: 24 },
sm: { span: 6 },
},
wrapperCol: {
xs: { span: 36 },
sm: { span: 16 },
},
};
const formItemLayoutWithOutLabel = {
wrapperCol: {
xs: { span: 36, offset: 0 },
sm: { span: 16, offset: 6 },
},
};
export default class TenantForm extends React.Component {
constructor(props) {
super(props);
this.state = {
applicants: [
{
firstName: props.tenant ? props.tenant.first : "",
middleName: props.tenant ? props.tenant.middle : "",
lastName: props.tenant ? props.tenant.last : "",
street: props.tenant ? props.tenant.street : "",
city: props.tenant ? props.tenant.city : "",
state: props.tenant ? props.tenant.state : "",
zipcode: props.tenant ? props.tenant.zipcode : "",
},
],
error: "",
};
}
formRef = React.createRef();
render() {
const onFinish = (values) => {
console.log("onFinish: ", values);
this.props.onSubmit({
applicants: values.applicants,
});
};
return (
<Form
ref={this.formRef}
{...formItemLayoutWithOutLabel}
onFinish={onFinish}
id="myForm"
validateMessages={validateMessages}
initialValues={{ applicants: [{ firstName: "" }] }}
>
{
<Form.List name="applicants">
{(fields, { add, remove }) => {
return (
<div>
{fields.map((field, index) => (
<Form.Item {...formItemLayout} label={`Applicant #${index + 1}`} key={field.key}>
<Row key={field.key} gutter={[0, 8]} justify="start">
<Col>
<Row gutter={[4, 4]}>
<Col span={7}>
<Form.Item name={[field.name, "firstName"]} fieldKey={[field.fieldKey, "firstName"]} rules={rules}>
<Input placeholder="First Name" />
</Form.Item>
</Col>
<Col span={7}>
<Form.Item name={[field.name, "middleName"]} fieldKey={[field.fieldKey, "middleName"]} initialValue="">
<Input placeholder="Middle Name" />
</Form.Item>
</Col>
<Col span={9}>
<Form.Item name={[field.name, "lastName"]} fieldKey={[field.fieldKey, "lastName"]} rules={rules}>
<Input placeholder="Last Name" />
</Form.Item>
</Col>
<Col flex="none">
{index > 0 ? (
<MinusCircleTwoTone
className="dynamic-delete-button"
onClick={() => {
remove(field.name);
}}
/>
) : null}
</Col>
</Row>
<Row gutter={[4, 4]}>
<Col span={23}>
<Form.Item name={[field.name, "address"]} fieldKey={[field.fieldKey, "address"]} rules={rules}>
<Input placeholder="Address" />
</Form.Item>
</Col>
</Row>
<Row gutter={[4, 4]}>
<Col span={12}>
<Form.Item name={[field.name, "city"]} fieldKey={[field.fieldKey, "city"]} rules={rules}>
<Input placeholder="City" />
</Form.Item>
</Col>
<Col span={5}>
<Form.Item name={[field.name, "state"]} fieldKey={[field.fieldKey, "state"]} rules={rules}>
<Select
showSearch
placeholder="State"
defaultActiveFirstOption={true}
onBlur={(event) => {
console.log("values", this.formRef.current.getFieldsValue());
console.log("target:", event.target);
console.log("id", event.target.id);
const stateIndex = event.target.getAttribute("aria-activedescendant").split("_").slice(-1);
const values = this.formRef.current.getFieldsValue();
const namePath = event.target.id.split("_");
console.log("namePath", namePath);
values[namePath[0]][namePath[1]][namePath[2]] = event.target.value.toUpperCase() || STATES[stateIndex];
this.formRef.current.setFieldsValue(values);
}}
>
{STATES.map((state) => (
<Option value={state} key={state}>
{state}
</Option>
))}
</Select>
</Form.Item>
</Col>
<Col span={6}>
<Form.Item name={[field.name, "zipcode"]} fieldKey={[field.fieldKey, "zipcode"]} rules={rules}>
<Input placeholder="Zip Code" />
</Form.Item>
</Col>
</Row>
</Col>
</Row>
</Form.Item>
))}
<Form.Item>
{console.log("count:", fields.length)}
{fields.length < maxApplicants ? (
<Button
type="dashed"
onClick={() => {
add();
}}
style={{ width: "100%" }}
>
<PlusOutlined /> Add Applicant
</Button>
) : null}
</Form.Item>
</div>
);
}}
</Form.List>
}
</Form>
);
}
}
诀窍是结合form.setFieldsValue在Select组件上使用onBlur
请参见下面的codesandbox:
它在类组件中的工作方式相同,但您可以通过ref:formRef=React.createRef;请参阅第24行和第49行:如果我的答案对您有所帮助,请您将我的答案标记为有用,我将不胜感激。干杯在onFinish处理程序中,您可以控制台.log值并发布结果。我认为state字段设置不正确,因为state不是values对象内部的顶级属性。此名称={[field.name,state]}似乎表示状态嵌套在计算结果为field.name.Updated的动态表单解决方案的属性中:是否可以包含包含表单和表单.List组件的代码块?看起来您可能在这两个组件中都定义了name prop,而且由于name值带有下划线,因此我的split方法无法工作。是 啊这会变得非常复杂,但幸运的是,一旦你保护了你想要的行为,你就可以将组件包装在一个HOC中,使行为在未来的组件中可重用。顺便说一句,如果你删除表单组件上的name prop,我想你当前实现我的方法的尝试会奏效。我很确定,如果您打算通过应用程序中其他地方的Form.Provider访问表单实例,您只需要为表单提供一个名称。
import React from "react";
import { Form, Input, Col, Row, Select, Button } from "antd";
import { PlusOutlined, MinusCircleTwoTone } from "@ant-design/icons";
const InputGroup = Input.Group;
const Option = Select.Option;
const { TextArea } = Input;
const maxApplicants = 4;
const rules = [{ required: true }];
const STATES = [
"AL",
"AK",
"AZ",
"AR",
"CA",
"CO",
"CT",
"DE",
"DC",
"FM",
"FL",
"GA",
"GU",
"HI",
"ID",
"IL",
"IN",
"IA",
"KS",
"KY",
"LA",
"ME",
"MH",
"MD",
"MA",
"MI",
"MN",
"MS",
"MO",
"MT",
"NE",
"NV",
"NH",
"NJ",
"NM",
"NY",
"NC",
"ND",
"MP",
"OH",
"OK",
"OR",
"PW",
"PA",
"PR",
"RI",
"SC",
"SD",
"TN",
"TX",
"UT",
"VT",
"VI",
"VA",
"WA",
"WV",
"WI",
"WY",
];
const validateMessages = {
required: "Required!",
types: {
email: "Invalid E-mail!",
number: "Invalid Number!",
},
number: {
range: "Must be between ${min} and ${max}",
},
};
const formItemLayout = {
labelCol: {
xs: { span: 24 },
sm: { span: 6 },
},
wrapperCol: {
xs: { span: 36 },
sm: { span: 16 },
},
};
const formItemLayoutWithOutLabel = {
wrapperCol: {
xs: { span: 36, offset: 0 },
sm: { span: 16, offset: 6 },
},
};
export default class TenantForm extends React.Component {
constructor(props) {
super(props);
this.state = {
applicants: [
{
firstName: props.tenant ? props.tenant.first : "",
middleName: props.tenant ? props.tenant.middle : "",
lastName: props.tenant ? props.tenant.last : "",
street: props.tenant ? props.tenant.street : "",
city: props.tenant ? props.tenant.city : "",
state: props.tenant ? props.tenant.state : "",
zipcode: props.tenant ? props.tenant.zipcode : "",
},
],
error: "",
};
}
formRef = React.createRef();
render() {
const onFinish = (values) => {
console.log("onFinish: ", values);
this.props.onSubmit({
applicants: values.applicants,
});
};
return (
<Form
ref={this.formRef}
{...formItemLayoutWithOutLabel}
onFinish={onFinish}
id="myForm"
validateMessages={validateMessages}
initialValues={{ applicants: [{ firstName: "" }] }}
>
{
<Form.List name="applicants">
{(fields, { add, remove }) => {
return (
<div>
{fields.map((field, index) => (
<Form.Item {...formItemLayout} label={`Applicant #${index + 1}`} key={field.key}>
<Row key={field.key} gutter={[0, 8]} justify="start">
<Col>
<Row gutter={[4, 4]}>
<Col span={7}>
<Form.Item name={[field.name, "firstName"]} fieldKey={[field.fieldKey, "firstName"]} rules={rules}>
<Input placeholder="First Name" />
</Form.Item>
</Col>
<Col span={7}>
<Form.Item name={[field.name, "middleName"]} fieldKey={[field.fieldKey, "middleName"]} initialValue="">
<Input placeholder="Middle Name" />
</Form.Item>
</Col>
<Col span={9}>
<Form.Item name={[field.name, "lastName"]} fieldKey={[field.fieldKey, "lastName"]} rules={rules}>
<Input placeholder="Last Name" />
</Form.Item>
</Col>
<Col flex="none">
{index > 0 ? (
<MinusCircleTwoTone
className="dynamic-delete-button"
onClick={() => {
remove(field.name);
}}
/>
) : null}
</Col>
</Row>
<Row gutter={[4, 4]}>
<Col span={23}>
<Form.Item name={[field.name, "address"]} fieldKey={[field.fieldKey, "address"]} rules={rules}>
<Input placeholder="Address" />
</Form.Item>
</Col>
</Row>
<Row gutter={[4, 4]}>
<Col span={12}>
<Form.Item name={[field.name, "city"]} fieldKey={[field.fieldKey, "city"]} rules={rules}>
<Input placeholder="City" />
</Form.Item>
</Col>
<Col span={5}>
<Form.Item name={[field.name, "state"]} fieldKey={[field.fieldKey, "state"]} rules={rules}>
<Select
showSearch
placeholder="State"
defaultActiveFirstOption={true}
onBlur={(event) => {
console.log("values", this.formRef.current.getFieldsValue());
console.log("target:", event.target);
console.log("id", event.target.id);
const stateIndex = event.target.getAttribute("aria-activedescendant").split("_").slice(-1);
const values = this.formRef.current.getFieldsValue();
const namePath = event.target.id.split("_");
console.log("namePath", namePath);
values[namePath[0]][namePath[1]][namePath[2]] = event.target.value.toUpperCase() || STATES[stateIndex];
this.formRef.current.setFieldsValue(values);
}}
>
{STATES.map((state) => (
<Option value={state} key={state}>
{state}
</Option>
))}
</Select>
</Form.Item>
</Col>
<Col span={6}>
<Form.Item name={[field.name, "zipcode"]} fieldKey={[field.fieldKey, "zipcode"]} rules={rules}>
<Input placeholder="Zip Code" />
</Form.Item>
</Col>
</Row>
</Col>
</Row>
</Form.Item>
))}
<Form.Item>
{console.log("count:", fields.length)}
{fields.length < maxApplicants ? (
<Button
type="dashed"
onClick={() => {
add();
}}
style={{ width: "100%" }}
>
<PlusOutlined /> Add Applicant
</Button>
) : null}
</Form.Item>
</div>
);
}}
</Form.List>
}
</Form>
);
}
}