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Javascript 反应-通过道具控制SVG填充颜色的能力_Javascript_Reactjs_Svg_Jsx_Mobx - Fatal编程技术网

Javascript 反应-通过道具控制SVG填充颜色的能力

Javascript 反应-通过道具控制SVG填充颜色的能力,javascript,reactjs,svg,jsx,mobx,Javascript,Reactjs,Svg,Jsx,Mobx,我有一个SVG,这里称为“example.SVG”,它作为一个组件被调用和创建,如下所示: import { ReactComponent as Example } from './example.svg'; import styles from './index.module.css'; const ExampleImg = ({ ...otherProps }) => ( <Example className={styles.image} {...otherProps} /

我有一个SVG,这里称为“example.SVG”,它作为一个组件被调用和创建,如下所示:

import { ReactComponent as Example } from './example.svg';
import styles from './index.module.css';

const ExampleImg = ({ ...otherProps }) => (
  <Example className={styles.image} {...otherProps} />
);

export default ExampleImg;
我的问题是:

我需要能够通过插入一个可以从SVG外部控制的道具来控制SVG的填充颜色。所讨论的SVG:

<?xml version="1.0" encoding="utf-8"?>
<!-- Generator: Adobe Illustrator 23.0.1, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
     viewBox="0 0 216 216" style="enable-background:new 0 0 216 216;" xml:space="preserve">
<style type="text/css">
    .st0{fill:#FFFFFF;}
    .st1{fill:#0969A6;}
    .st2{fill:#36BC0A;}
    .st3{fill:#C41C1C;}
    .st4{fill:#CECECE;}
    .st5{fill:#FEFEFE;}
    .st6{fill:#FFFFFF;stroke:#FFFFFF;stroke-width:2;stroke-miterlimit:10;}
    .st7{fill:#FFFFFF;stroke:#FFFFFF;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:10;}
</style>
<circle class="st4" cx="107.25" cy="109.75" r="68.75"/>
<path class="st5" d="M149.79,104.21c2.58,4.89,1.33,9.67-3.32,12.55c-1.33,0.83-2.86,0.97-4.37,0.97c-15.97,0.01-31.94,0-47.91,0
    c-0.76,0-1.51,0-2.42,0c0.46,1.13,1.38,1.71,2.08,2.41c5.01,5.04,10.04,10.07,15.13,15.03c3.96,3.85,3.48,8.88,1.63,11.57
    c-3.39,4.92-9.95,5.24-14.26,0.87c-7.76-7.86-15.61-15.63-23.42-23.44c-2.92-2.92-5.78-5.92-8.77-8.77
    c-2.94-2.8-3.79-8.71-0.42-12.31c0.62-0.66,1.21-1.34,1.82-2.02c0.19,0.02,0.32-0.05,0.35-0.25c0.06-0.05,0.11-0.11,0.14-0.18
    c0.51-0.28,0.93-0.65,1.13-1.22c0,0,0.05-0.04,0.05-0.04c0.53-0.14,0.89-0.47,1.06-1c0,0,0.02-0.02,0.02-0.02
    c2.81-2.51,5.36-5.27,8.02-7.93c6.86-6.87,13.71-13.74,20.56-20.61c4.31-4.33,10.5-3.39,13.84,1.71c2.23,3.41,1.51,7.98-1.81,11.27
    c-3.55,3.52-7.13,7-10.64,10.56c-0.86,0.88-2.02,1.53-2.47,2.79c0,0-0.03,0.02-0.03,0.02c-1.05,0.54-1.81,1.37-2.42,2.36
    c0,0-0.05,0.05-0.05,0.05c-0.22,0.12-0.48,0.19-0.64,0.36c-0.28,0.32-0.85,0.58-0.6,1.09c0.19,0.4,0.73,0.19,1.11,0.25
    c0.15,0.02,0.3-0.01,0.45-0.01c14.09,0,28.18-0.02,42.27,0.02c3.56,0.01,7.16-0.4,10.63,0.84c0.07,0.05,0.14,0.08,0.22,0.1
    c0.2,0.33,0.49,0.55,0.88,0.6c0.03,0.07,0.08,0.13,0.14,0.17c0.03,0.28,0.21,0.4,0.47,0.42c0,0,0.03,0.03,0.03,0.03
    c0.07,0.31,0.28,0.49,0.59,0.56c0,0,0.02,0.02,0.02,0.02c0.02,0.26,0.15,0.43,0.41,0.48c0.02,0.07,0.06,0.13,0.12,0.18
    C149.45,103.91,149.56,104.1,149.79,104.21z"/>
</svg>

.st0{fill:#FFFFFF;}
.st1{fill:#0969A6;}
.st2{fill:#36BC0A;}
.st3{fill:#C41C1C;}
.st4{fill:#CECECE;}
.st5{fill:#FEFEFE;}
.st6{填充:#FFFFFF;笔划:#FFFFFF;笔划宽度:2;笔划斜接限制:10;}
.st7{填充:#ffffffff;笔划:#FFFFFF;笔划宽度:2;笔划线帽:圆形;笔划线连接:圆形;笔划斜接限制:10;}
具体来说,
.st4
是需要插入道具的类,类似于
{fill:{currentColor}}

然后,当调用
ExampleImg
时,您可以通过
myPage
道具传入
currentColor
,以根据条件控制填充


老实说,我不知道如何处理这个问题,所以任何指导都将不胜感激

我建议实际将SVG放入代码中,并将其作为道具传入:

import { ReactComponent as Example } from './example.svg';
import styles from './index.module.css';

const ExampleImg = ({ ...otherProps }) => (
  <Example className={styles.image} {...otherProps}>
    <svg {...}>
      <style>{`
      .st1{${props.fill}} 
      `}
      </style>
    </svg>
  </Example>
);

export default ExampleImg;
从“/Example.svg”导入{ReactComponent as Example};
从“./index.module.css”导入样式;
const ExampleImg=({…otherProps})=>(
{`
.st1{${props.fill}
`}
);
导出默认示例img;

那么我是否正确理解了这个SVG将被重写为React组件?(除非有重要原因,否则我可能会这么做)。CSS实际上具有
颜色
属性的键值,因此您可以从外部控制颜色,即:

.svg容器{
颜色:黑色;//或者其他颜色
}
.st4{
填充:当前颜色;
}

能否显示实际的
svg
元素?我想您可以将内联样式应用到上面为SVG添加的完整源代码中,这里是图像形式:注意,只有当.SVG中的路径具有类名
st4
时,这才有效。
import { ReactComponent as Example } from './example.svg';
import styles from './index.module.css';

const ExampleImg = ({ ...otherProps }) => (
  <Example className={styles.image} {...otherProps}>
    <svg {...}>
      <style>{`
      .st1{${props.fill}} 
      `}
      </style>
    </svg>
  </Example>
);

export default ExampleImg;