我试图使用formik与material-ui Textfield组件与select attr,每次我改变选项它给我这个警告
Material-UI:您为select (name="subIndicatorId")组件提供了一个超出范围的值
null
。考虑提供一个与可用选项或"匹配的值。可用值1
,2
、3
4
,5
,55
,161
,162
,163
,164
,193
,233
,234
,235
,236
,237
,238
,239
,240
,241
,242
,243
,244
,245
,246
,262
,263
,264
,265
,266
,267
,268
,271
,286
,288
,289
,295
,300
,303
,304
,306
,307
,311
,341
我也得到这个警告当页面第一次渲染
警告:
input
上的value
prop不应该为空。考虑使用空字符串来清除组件或undefined
(非受控组件)。
下面是
的代码
import React, { useState, useEffect } from "react";
import Button from "@material-ui/core/Button";
import TextField from "@material-ui/core/TextField";
import { Col, Container, Row } from "react-bootstrap";
import { useFormik } from "formik";
import * as yup from "yup";
import { axios } from "../Axios/Axios";
import icommodityGroup from "../../assets/images/png/product.png";
import wheatBag from "../../assets/images/png/Wheat Bag.png";
import flag from "../../assets/images/png/flag.png";
import { MenuItem } from "@material-ui/core";
const RetailPrices = () => {
const [genralIndicators, setGenralIndicators] = useState([]);
const [governorates, setGovernorate] = useState([]);
const [subIndicator, setSubIndicator] = useState([]);
const [classification, setClassification] = useState();
const getPopulate = async () => {
const response = await axios
.get("/home/PopulateDropDowns")
.catch((err) => console.log("Error", err)); //handle errors
if (response && response.data) {
console.log(response);
setGenralIndicators(response.data.genralIndicators);
setGovernorate(response.data.governorates);
setClassification(response.data.classification);
}
};
const getSubindicator = async (id) => {
console.log(id);
const response = await axios
.get(`/home/SubIndicator/${id}`)
.catch((err) => console.log("Error", err)); //handle errors
if (response && response.data) {
setSubIndicator(response.data);
}
};
useEffect(() => {
getPopulate();
}, []);
const handleGenralIndicatorsChange = (e) => {
getSubindicator(e.target.value);
};
// Schema for yup
const validationSchema = yup.object({
commodityGroup: yup
.string("أختر المجموعة السلعية")
.required("أختر المجموعة السلعية "),
// commodity: yup.string("أختر السلعة").required("أختر السلعة"),
// city: yup.string("أختر المدينة").required("أختر المدينة"),
});
const formik = useFormik({
initialValues: {
ClassificationId: 1,
GeneralIndicatorId: null,
GovernorateId: null,
subIndicatorId: null,
},
// validationSchema: validationSchema,
onSubmit: async (values) => {
alert(JSON.stringify(values, null, 2));
const response = await axios
.post("/home/PriceSearch", JSON.stringify(values, null, 2))
.catch((err) => console.log("Error", err)); //handle errors;
if (response) {
alert("sucess!");
console.log(response);
}
},
});
return (
<div>
<form onSubmit={formik.handleSubmit}>
<Row>
<Col className="px-0">
<img
className="p-1"
src={icommodityGroup}
alt="icon_1"
style={{
borderRadius: "6px",
boxShadow: "10px 10px 5px 0px rgba(179, 179, 179, 0.36)",
}}
/>
<TextField
style={{ width: "200px" }}
className="px-2 my-2"
variant="outlined"
name="GeneralIndicatorId"
id="المجموعة السلعية"
select
label="المجموعة السلعية"
value={formik.values.GeneralIndicatorId}
onChange={(e) => {
formik.handleChange(e);
handleGenralIndicatorsChange(e);
}}
error={
formik.touched.genralIndicators &&
Boolean(formik.errors.genralIndicators)
}
helperText={
formik.touched.genralIndicators &&
formik.errors.genralIndicators
}
>
{genralIndicators.map((option) => (
<MenuItem key={option.id} value={option.id}>
{option.name}
</MenuItem>
))}
</TextField>
</Col>
<Col className="px-0">
<img
className="p-1"
src={wheatBag}
alt="icon_1"
style={{
borderRadius: "6px",
boxShadow: "10px 10px 5px 0px rgba(179, 179, 179, 0.36)",
}}
/>
<TextField
style={{ width: "200px" }}
className="px-2 my-2"
variant="outlined"
name="subIndicatorId"
id="السلعة"
select
label="السلعة"
value={formik.values.subIndicatorId}
onChange={formik.handleChange}
error={
formik.touched.subIndicator &&
Boolean(formik.errors.subIndicator)
}
helperText={
formik.touched.subIndicator && formik.errors.subIndicator
}
>
{subIndicator.map((option) => (
<MenuItem key={option.id} value={option.id}>
{option.name}
</MenuItem>
))}
</TextField>
</Col>
<Col className="px-0">
<img
className="p-1"
src={flag}
alt="icon_1"
style={{
borderRadius: "6px",
boxShadow: "10px 10px 5px 0px rgba(179, 179, 179, 0.36)",
}}
/>
<TextField
style={{ width: "200px" }}
className="px-2 my-2"
variant="outlined"
name="GovernorateId"
id="المحافظة"
select
label="المحافظة"
value={formik.values.GovernorateId}
onChange={formik.handleChange}
error={
formik.touched.governorates &&
Boolean(formik.errors.governorates)
}
helperText={
formik.touched.governorates && formik.errors.governorates
}
>
{governorates.map((option) => (
<MenuItem key={option.id} value={option.id}>
{option.name}
</MenuItem>
))}
</TextField>
</Col>
<Col>
<Button
className="p-3 my-2 "
size="large"
variant="contained"
type="submit"
style={{
color: "#fff",
backgroundColor: "var(--main-green)",
width: "200px",
}}
>
إرسال
</Button>
</Col>
</Row>
</form>
</div>
);
};
export default RetailPrices;
<script src="https://cdnjs.cloudflare.com/ajax/libs/react/16.6.3/umd/react.production.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/react-dom/16.6.3/umd/react-dom.production.min.js"></script>
可以正常工作并返回响应,但是我想处理这两个警告
警告:输入的值prop不应该为空。考虑使用空字符串用于清除组件或未定义的未控制组件组件。由于您使用的是受控组件,因此需要在render:
中定义所有值。
GeneralIndicatorId: null,
GovernorateId: null,
subIndicatorId: null,
但是这些是未定义的/null,所以将它们设置为""
将解决这个问题。
Material-UI:您提供了一个超出范围的值nullselect (name="subIndicatorId") component。考虑提供一个值匹配一个可用选项或"。
For选择所有可能需要作为选项的值,但由于这些值是null
并且您没有null选项,因此会抛出此错误。只需添加一个新的空选项:
<TextField
style={{ width: "200px" }}
className="px-2 my-2"
variant="outlined"
name="GovernorateId"
id="المحافظة"
select
label="المحافظة"
value={formik.values.GovernorateId}
onChange={formik.handleChange}
error={
formik.touched.governorates &&
Boolean(formik.errors.governorates)
}
helperText={
formik.touched.governorates && formik.errors.governorates
}
>
<MenuItem key={""} value={""}>
No Selected // Or Empty
</MenuItem>
{governorates.map((option) => (
<MenuItem key={option.id} value={option.id}>
{option.name}
</MenuItem>
))}
</TextField>