Write and read system temporary files: createtempfile and tempfilecontent[easy to understand]

Hello everyone , I meet you again , I'm your friend, Quan Jun .

Write java When , Sometimes the data found is temporarily unavailable , We can write it to a temporary file .

I found this good method when writing the project today .

take context Write the contents of to the temporary file

@PostMapping("/temp")
    @ResponseBody
    String temp(@RequestParam String content) throws IOException {
        File tempFile = Files.createTempFile(null, null).toFile();
        FileCopyUtils.copy(content.getBytes(StandardCharsets.UTF_8), tempFile);
        return tempFile.getName();
    }

Copy

The file is stored in this path ：C:\Users\my\AppData\Local\Temp

Take it out when you need it

json = Utils.tempFileContent(fileName);

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