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wk1563396689
V2EX  ›  问与答

后台如何通过 ResponseEntity 将一串字节转化为文件供前端下载呢?

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  •   wk1563396689 · Aug 8, 2019 · 1410 views
    This topic created in 2458 days ago, the information mentioned may be changed or developed.

    主要应该是 body 里面数据的设置

    6 replies    2019-08-08 15:55:12 +08:00
    kkkkkrua
        1
    kkkkkrua  
       Aug 8, 2019
    编程语言?
    misaka19000
        2
    misaka19000  
       Aug 8, 2019 via Android
    修改 contentType
    wk1563396689
        3
    wk1563396689  
    OP
       Aug 8, 2019
    @misaka19000 contentType = "application/octet-stream";这个原来现在是这样设置的,我方法的返回值现在是 ResponseEntity<byte[]> ,测试的时候就返回 byte[],现在是将 byte[]变为前端需要的文件下载下来
    wk1563396689
        4
    wk1563396689  
    OP
       Aug 8, 2019
    @kkkkkrua spring-boot
    kkkkkrua
        5
    kkkkkrua  
       Aug 8, 2019
    设置 contentType 为对应文件的,然后把 data 写到 HttpServletResponse 里
    momocraft
        6
    momocraft  
       Aug 8, 2019
    Content-Disposition ?
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