如何在不使用主题的情况下自定义Material-UI的下划线样式? [英] How do I custom style the underline of Material-UI without using theme?

问题描述

当variant="outlined"且我在InputProps中使用notchedOutline时，我在大纲自定义样式方面取得了成功.

I have success with outline custom styling when variant="outlined" and I use notchedOutline in InputProps.

否则-variant=[anything else]仅存在底部边框-即使将underline作为InputProps中的键/类，也无法使用.

Otherwise - variant=[anything else] where only a bottom border exists - it doesn't work, even with underline as the key/class in InputProps.

我什至尝试过root.

export default ({ boxType, classes, value, onChange, style }) => (
  <TextField
    variant={boxType || "standard"}
    value={value}
    onChange={onChange}
    InputProps={{
      classes: {
        notchedOutline: classes.notchedOutline,
        underline: classes.underline,
        root: classes.TextInputField
      },
      style
    }}
  />
)

推荐答案

为了确定如何执行此操作，请查看如何在

In order to determine how to do this, it is helpful to look at how the default styling is done within Input.

:before用于默认样式和悬停样式，:after用于集中样式.

:before is used for the default and hover styling and :after is used for the focused styling.

以下是如何设置样式的有效示例:

Here is a working example of how to style it:

import React from "react";
import ReactDOM from "react-dom";
import TextField from "@material-ui/core/TextField";
import { withStyles } from "@material-ui/core/styles";
const styles = {
  underline: {
    "&:before": {
      borderBottom: "2px solid green"
    },
    "&:hover:not($disabled):not($focused):not($error):before": {
      borderBottom: "2px solid blue"
    },
    "&:after": {
      borderBottom: "3px solid purple"
    }
  },
  disabled: {},
  focused: {},
  error: {}
};
function App({ classes }) {
  return (
    <div className="App">
      <TextField InputProps={{ classes }} />
    </div>
  );
}
const StyledApp = withStyles(styles)(App);
const rootElement = document.getElementById("root");
ReactDOM.render(<StyledApp />, rootElement);

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