将File转化为MultipartFile
时间: 2023-11-24 17:52:44 浏览: 141
以下是将File转化为MultipartFile的两种方法:
1. 使用MockMultipartFile实现:
```python
from org.springframework.mock.web import MockMultipartFile
import java.io.File
import java.io.FileInputStream
file = File("example.txt")
fileInputStream = FileInputStream(file)
multipartFile = MockMultipartFile("file", file.getName(), "text/plain", fileInputStream)
```
2. 使用html5的file api里的readAsDataURL函数实现转换:
```javascript
function fileToMultipartFile(file) {
var reader = new FileReader();
reader.readAsDataURL(file);
reader.onload = function () {
var arrayBuffer = this.result;
var bytes = new Uint8Array(arrayBuffer);
var blob = new Blob([bytes], {type: "application/octet-stream"});
var multipartFile = new File([blob], file.name, {type: file.type});
return multipartFile;
};
}
```
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