[英]Change border color on Material-UI TextField
下面是如何覆蓋輪廓顏色 label 並在TextField
的輪廓變體上輸入文本的 v4 示例(下方的 v5 示例)。 這顯示了使用三種不同的 colors:一種用於默認(綠色),一種用於 hover(紅色),以及當輸入具有焦點時(紫色)另一種。
import React from "react";
import ReactDOM from "react-dom";
import TextField from "@material-ui/core/TextField";
import { makeStyles } from "@material-ui/core/styles";
const useStyles = makeStyles({
root: {
"& .MuiOutlinedInput-root .MuiOutlinedInput-notchedOutline": {
borderColor: "green"
},
"&:hover .MuiOutlinedInput-root .MuiOutlinedInput-notchedOutline": {
borderColor: "red"
},
"& .MuiOutlinedInput-root.Mui-focused .MuiOutlinedInput-notchedOutline": {
borderColor: "purple"
},
"& .MuiOutlinedInput-input": {
color: "green"
},
"&:hover .MuiOutlinedInput-input": {
color: "red"
},
"& .MuiOutlinedInput-root.Mui-focused .MuiOutlinedInput-input": {
color: "purple"
},
"& .MuiInputLabel-outlined": {
color: "green"
},
"&:hover .MuiInputLabel-outlined": {
color: "red"
},
"& .MuiInputLabel-outlined.Mui-focused": {
color: "purple"
}
}
});
function App() {
const classes = useStyles();
return (
<div className="App">
<TextField
className={classes.root}
defaultValue="My Default Value"
variant="outlined"
label="My Label"
/>
</div>
);
}
const rootElement = document.getElementById("root");
ReactDOM.render(<App />, rootElement);
下面是使用 Material-UI v5 的類似示例。 這使用styled
而不是makeStyles
並利用更類型安全的方式(在 v5 中添加)來引用全局 class 名稱(例如.${outlinedInputClasses.root}
),但繼續硬編碼全局 class 名稱(例如.MuiOutlinedInput-root
)仍然可以正常工作(硬編碼時語法更簡單,但對拼寫錯誤的保護較少且沒有自動完成幫助)。
import React from "react";
import ReactDOM from "react-dom";
import TextField from "@material-ui/core/TextField";
import { outlinedInputClasses } from "@material-ui/core/OutlinedInput";
import { inputLabelClasses } from "@material-ui/core/InputLabel";
import { styled } from "@material-ui/core/styles";
const StyledTextField = styled(TextField)({
[`& .${outlinedInputClasses.root} .${outlinedInputClasses.notchedOutline}`]: {
borderColor: "green"
},
[`&:hover .${outlinedInputClasses.root} .${outlinedInputClasses.notchedOutline}`]: {
borderColor: "red"
},
[`& .${outlinedInputClasses.root}.${outlinedInputClasses.focused} .${outlinedInputClasses.notchedOutline}`]: {
borderColor: "purple"
},
[`& .${outlinedInputClasses.input}`]: {
color: "green"
},
[`&:hover .${outlinedInputClasses.input}`]: {
color: "red"
},
[`& .${outlinedInputClasses.root}.${outlinedInputClasses.focused} .${outlinedInputClasses.input}`]: {
color: "purple"
},
[`& .${inputLabelClasses.outlined}`]: {
color: "green"
},
[`&:hover .${inputLabelClasses.outlined}`]: {
color: "red"
},
[`& .${inputLabelClasses.outlined}.${inputLabelClasses.focused}`]: {
color: "purple"
}
});
function App() {
return (
<div className="App">
<StyledTextField
defaultValue="My Default Value"
variant="outlined"
label="My Label"
/>
</div>
);
}
const rootElement = document.getElementById("root");
ReactDOM.render(<App />, rootElement);
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