-
Can an array in react state be bound to a dom state using an element in the array?
setting in state: this.state = {checkList: []};
checkList initializes it with an array of the same length as JsonPage: this.setState ({checkList:checkSaveCount}); checkSavaCount is the same length as the following JsonPage.
the following creates...
-
How to cancel the page change or refresh of react Antd Design table checkbox
use the Table component of Antd Design, first check out the data, and then select a CheckBox, but when you change pages, that CheckBox will not disappear. For example, when I select the first line on the first page, and then skip to the second page, the ...
-
Antd iconfont localization failed, do you have any success? Ask for guidance [premise: use parceljs]
tried all three methods: ...
-
How to get the name of input by embedding input in ant design table
...
-
Similar to Zhihu, how is the matching architecture designed?
each person starts the game with a different Rank (a total of 14 Rank) and selects two people to answer the question pk,. How to design this algorithm?
suppose that after I click to start the game, I send my request to enter a game to the server, and ...
-
React Daily questions the use of, antd select components
official example of full copy: this is the official sample code:
import { Select } from antd ;
const Option = Select.Option;
function handleChange(value) {
console.log(`selected ${value}`);
}
ReactDOM.render(
<div>
<Select defaul...
-
The option of select cannot be rendered by callback.
use list as the option data source for Select, but use callback, which cannot be rendered. Just call it directly, as shown in the figure below. The first method is fine, and the second is not. Because there are many Select, on a page, you need to use th...
-
Antd uses complex dynamic forms. Times error.
The structure of the data is like this, and you need to use this to generate a form like this
{
name: ,
groups: [
{
groupName: ,
state: 1, 1 0
isOpen: 1, 1 0
...
-
The problem with express API
suppose I have the following HTTP methods
router.post( ,(req,res,next)=>{})
router.get( ,(req,res,next)=>{}) order
router.get( :orderId ,(req,res,next)=>{}) order
router.patch( :orderId ,(req,res,next)=>{}) order
router.d...
-
How to use queues in JS or react?
axios.post ( api php user findPsw.json ,params). Then ((res) = > {)
var jsonObj = JSON.stringify(res.data)
var jsonTemp="[{"
var checkPsw = jsonObj.substring(jsonObj.indexOf("password")+11,jsonObj.indexOf(...
-
When I changed the antd version, I mistakenly reported 'Divider' is not defined.
Test antd document Form in the demo code const {getFieldDecorator} = this.props.form; reported an error, found that their antd version is too low, so npm install antd@beta-save installed the latest version of antd, but my project Divider reported that th...
-
About the problem of Select selector antd
thousands of pieces of data returned by the background interface are put in the Select. Users select a certain piece of data and find it very stuttered. Is there any way to solve it ?
this is the official demo of antd
const { Select } = antd;
const Op...
-
How to cross-verify dates before and after ant-design Form
The form has a start and end date, which requires context. How can it be cross-validated? the problem I encountered is: step1: first set the start date to 3br 23 step2: sets the end as scheduled to 3x21, the end date component verification prompt "c...
-
The novice asks whether the settings in state in react can be added in a non-manual way.
:this.state={key1:value1,key2:value2},
:this.state={key1:value1,key2:value2,key3:value3}
statekey3:value3,
this.statepush(),this.state.push(key3,value3)
this.state={key1:value1,key2:value2,key3:value3}
this.statepush()
this.state
...
-
Multiple selection of ant design drop-down box has no effect
use the drop-down box of React s ant design, and ask for help on how to solve the problem according to the fact that there is no multiple selection in the doc, on the official website.
<Select
multiple
showSearch
onSelect={(val,e) =&g...
-
With regard to the problem of ant design Pro, the search list on table will have the problem of misplacement and incomplete display.
there is no problem with the local configuration of ant design pro,. The search items in tablelist are often misplaced, and the drop-down items are not fully displayed. It will be fine after refreshing. If you enter the page for the first time, there wil...
-
Now you need to do a front-end page for ipad pro2. Ui gave me the blueprint, would you like to set my page to be the same size?
now you need to make a front-end page for ipad pro2. Ui gave the design drawing 2732 to 2048. Should my page be set to the same size ?...
-
There is a class that has a lot of properties. Now I have a lot of other roles. Different roles use different fields. What design pattern do you use?
there is a class that has a lot of properties. Now I have a lot of other roles. Different roles use different fields. What design pattern do you use? ...
-
How does ant design customize form validation?
how does react ant use custom form validation?
1. Code
const Login = (
{
loading,
dispatch,
form: {
getFieldDecorator,
validateFieldsAndScroll
},
}
) => {
function handleOk() {
validateFieldsAndScroll((error...
-
The open and closed principle (OCP) and the single responsibility (SRP) do not understand the difference.
Many people on use calculator examples to illustrate these two principles, but it seems that the difference is that OCP has an abstract class, while SRP does not inherit abstraction
compared with SRP, OCP, the examples of 1.OCP are all independent of...
