Java 接收并上传前端传来的 form 表单提交的图片文件到另一个接口 - V2EX
Rookbyte
V2EX    Java

Java 接收并上传前端传来的 form 表单提交的图片文件到另一个接口

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  •   Rookbyte Oct 13, 2018 5232 views
    This topic created in 2774 days ago, the information mentioned may be changed or developed.

    postman 可以跑通 http://cms.pactera.com:9097/upload/public/32/Other/1013100210-575550.png ,但是代码不会写肿么办,postman 生成的代码是这样的

    OkHttpClient client = new OkHttpClient();

    MediaType mediaType = MediaType.parse("multipart/form-data; boundary=----WebKitFormBoundary7MA4YWxkTrZu0gW"); RequestBody body = RequestBody.create(mdiaType, "------WebKitFormBoundary7MA4YWxkTrZu0gW\r\nContent-Disposition: form-data; name="Domain"\r\n\r\nxsh\r\n------WebKitFormBoundary7MA4YWxkTrZu0gW\r\nContent-Disposition: form-data; name="IsPublic"\r\n\r\ntrue\r\n------WebKitFormBoundary7MA4YWxkTrZu0gW\r\nContent-Disposition: form-data; name="FileType"\r\n\r\nImage\r\n------WebKitFormBoundary7MA4YWxkTrZu0gW\r\nContent-Disposition: form-data; name="FileCategory"\r\n\r\nOther\r\n------WebKitFormBoundary7MA4YWxkTrZu0gW\r\nContent-Disposition: form-data; name="files"; filename="C:\Users\z1557\Pictures\aa.png"\r\nContent-Type: image/png\r\n\r\n\r\n------WebKitFormBoundary7MA4YWxkTrZu0gW--"); Request request = new Request.Builder() .url("http://cms.pactera.com:9097/api/services/app/Public/UploadFiles") .post(body) .addHeader("content-type", "multipart/form-data; boundary=----WebKitFormBoundary7MA4YWxkTrZu0gW") .addHeader("Content-Type", "application/x-www-form-urlencoded") .addHeader("Authorization", "Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.FFbs7JH0Fad1yY5On-ivZCDb8UO-yZ0SE-HMqYFgRjk") .addHeader("Cache-Control", "no-cache") .addHeader("Postman-Token", "c3d0193f-0e32-4c4e-9154-bec83f7d6a62") .build();

    Response respOnse= client.newCall(request).execute();

    postman 的参数在这 Domain:xsh IsPublic:true FileType:Image FileCategory:Other

    BearerToken:eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.FFbs7JH0Fad1yY5On-ivZCDb8UO-yZ0SE-HMqYFgRjk

    14 replies    2018-10-15 17:59:30 +08:00
    Rookbyte
        1
    Rookbyte  
    OP
       Oct 13, 2018
    大佬们能帮帮我不,好几天了,写不出来,难受
    secaas
        2
    secaas  
       Oct 13, 2018
    这是个盗版头像= =
    Rookbyte
        3
    Rookbyte  
    OP
       Oct 13, 2018
    @secaas 盗版,快换了吧,颜色都不正
    aLazarus
        5
    aLazarus  
       Oct 13, 2018 via Android
    十一节前写了个使用 formdata 传图片和参数给接口的方法,不知道是不是你这意思?
    dbolo123
        6
    dbolo123  
       Oct 13, 2018
    postman 好像可以生成 okhttp 的代码吧?参考下?
    lifespy
        7
    lifespy  
       Oct 14, 2018
    这个很简单啊,就行楼上说的,你可以用 okhttp,也可以用自带的
    mmdsun
        8
    mmdsun  
       Oct 14, 2018 via Android
    搜索 okhttp 上传文件就 OK 了。
    Rookbyte
        9
    Rookbyte  
    OP
       Oct 14, 2018
    @aLazar 嗯嗯,能发我参考下么
    Rookbyte
        10
    Rookbyte  
    OP
       Oct 14, 2018
    @dbolo123 我在上面贴的就是 postman 生成的,但是没有文件上传的具体写法
    Rookbyte
        11
    Rookbyte  
    OP
       Oct 14, 2018
    @ghos 感谢,我试试
    Rookbyte
        12
    Rookbyte  
    OP
       Oct 15, 2018
    还是不行有大佬能在线指导下我么,好崩溃呀
    Alexliu
        13
    Alexliu  
       Oct 15, 2018
    不能直接前端直传么,还到后端倒手一次
    Rookbyte
        14
    Rookbyte  
    OP
       Oct 15, 2018
    @Alexliu 别人写好的代码我接手的,客户要求换文件上传地址,我写到前端得全改一遍,所以想写一个名字参数列表和返回参数一样的方法算了
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