okhttp3 RequestBody在Kotlin [英] okhttp3 RequestBody in Kotlin

问题描述

我要发送这样的请求正文:

I want to send a request body like this :

"email":{
    "emailto":"[e-mail]",
    "emailfrom":"[e-mail]",
    "emailcc":"[e-mail]",
    "emailbcc":"[e-mail]",
    "emailsubject":"Subject",
    "emailtag":"Information",
    "emailtextbody":"---",
    "attachments":[]
}

---

val formBody = FormBody.Builder()
    .add("email", "Your message")
    .build()

val request = Request.Builder()
    .url(url)
    .post(formBody)
    .addHeader("_Token","")
    .addHeader("Content-Type","application/json")
    .build()

推荐答案

我强烈建议使用改装对于这种情况，但是如果您确实需要处理原始的Request/Response，那么您的解决方案将如下所示:

I highly suggest to use Retofit for such case, but if you really need to deal with raw Request/Response then your solution looks like:

val json = """
"email":{
    "emailto":"${emailto}",
    "emailfrom":"${emailfrom}",
    "emailcc":"${emailcc}",
    "emailbcc":"${emailbcc}",
    "emailsubject":"${emailsubject}",
    "emailtag":"${emailtag}",
    "emailtextbody":"${emailtextbody}",
    "attachments":[]
}
""".trimIndent()

val body = RequestBody.create(MediaType.parse("application/json; charset=utf-8"), json)
val request = Request.Builder()
        .url(url)
        .post(body)
        .build()

只需将方括号(例如${emailto})中的参数传递给您的函数即可.

Just pass parameters in brackets (e.g. ${emailto}) to your function.

万一，如果您不想手动构建json，则可以使用 Gson 库

In case, if you don't want to build json manually, you can use Gson library.

data class EmailInfo(
        val emailto: String,
        val emailfrom: String,
        val emailcc: String,
        val emailbcc: String,
        val emailsubject: String,
        val emailtag: String,
        val emailtextbody: String,
        val attachments: List<Attachment>
)

data class EmailRequest(
        val email: EmailInfo
)

...

val emailRequest = EmailRequest(
        email = EmailInfo(
                emailto = "...",
                emailfrom = "...",
                emailcc = "...",
                emailbcc = "...",
                emailsubject = "...",
                emailtag = "...",
                emailtextbody = "...",
                attachments = ...
        )
)

val json = Gson().toJson(emailRequest)

val body = RequestBody.create(MediaType.parse("application/json; charset=utf-8"), json)
val request = Request.Builder()
        .url(url)
        .post(body)
        .build()
}

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