okhttp例子

 

<!-- https://mvnrepository.com/artifact/com.squareup.okhttp3/okhttp -->
<dependency>
    <groupId>com.squareup.okhttp3</groupId>
    <artifactId>okhttp</artifactId>
    <version>4.2.2</version>
</dependency>

 

// get  
OkHttpClient client = new OkHttpClient();
Request request = new Request.Builder()
        .url("http://hello.com/api/sendMail?date=20191007&offset=7")
        .get()
        .addHeader("authToken", "3434dfsaflfladdlsajr32k432432=")
        .addHeader("Content-Type", "application/json")
        .addHeader("cache-control", "no-cache")
        .build();

Response response = client.newCall(request).execute();
if (200 == response.code()) {
    System.out.println("success!");
} else {
    System.err.println(String.format("failure! code:", response.code()));
}

 

 

// post
OkHttpClient client = new OkHttpClient();
MediaType mediaType = MediaType.parse("application/json");
RequestBody body = RequestBody.create(mediaType, "{\"date\": 20191007,\"max\": 1000,\"expr\": 4000}");
Request request = new Request.Builder()
  .url("http://hello.com/api/indicator")
  .post(body)
  .addHeader("authToken", "3434dfsaflfladdlsajr32k432432=")
  .addHeader("Content-Type", "application/json")
  .addHeader("cache-control", "no-cache")
  .build();

Response response = client.newCall(request).execute();
if (200 == response.code()) {
    System.out.println("success!");
} else {
    System.err.println(String.format("failure! code:", response.code()));
}