设置内联 backgroundImage 在 React 中不起作用

Question

I am using a function which will return the full path of the image.

  const imagePath = (imagePath) => {
    const domainPath = "http://localhost:9005/gallery/original/";
    const fullImagePath = domainPath + imagePath;
    return fullImagePath;
  };

Now If I use below code, it will work and show image on browser:

<img
 src={imagePath(item.mediaPath)}
 alt="cow images"
/>

But If I use below code, it will NOT work:

<div
  className="bg-image-blur"
  style={{
    backgroundImage:
      "url(" +
      imagePath(item.mediaPath) +
      ")",
  }}
></div>

Please see given below image from my inspect element. Style is added to the element:

and It will also not work if I don't use imagePath function:

<div
  className="bg-image-blur"
  style={{
    backgroundImage:
      "url(" +
      "http://localhost:9005/gallery/original/" +
      id.mediaPath +
      ")",
  }}
></div>

What is the issue?

Answer 1

It does not work because you haven't put '' for url . And I'd suggest you use template literals for your string concat instead for easier look

<div
  className="bg-image-blur"
  style={{
    backgroundImage: `url('${imagePath(item.mediaPath)}')`,
  }}
></div>

You can check this document to understand how background-image looks like with url