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okhttp的用法有哪些

小亿
151
2023-08-01 15:56:43
栏目: 编程语言

OkHttp是一个开源的HTTP客户端库,用于发送网络请求和处理响应。它提供了简单、高效、灵活和安全的API,可以用于Android和Java应用程序。

以下是OkHttp的一些常用用法:

  1. 发送GET请求:
OkHttpClient client = new OkHttpClient(); Request request = new Request.Builder() .url("https://example.com/api") .build(); Response response = client.newCall(request).execute(); String responseData = response.body().string(); 
  1. 发送POST请求:
OkHttpClient client = new OkHttpClient(); RequestBody requestBody = new FormBody.Builder() .add("username", "username") .add("password", "password") .build(); Request request = new Request.Builder() .url("https://example.com/api") .post(requestBody) .build(); Response response = client.newCall(request).execute(); String responseData = response.body().string(); 
  1. 设置请求头:
Request request = new Request.Builder() .url("https://example.com/api") .header("Authorization", "Bearer token") .build(); 
  1. 异步请求:
OkHttpClient client = new OkHttpClient(); Request request = new Request.Builder() .url("https://example.com/api") .build(); client.newCall(request).enqueue(new Callback() { @Override public void onResponse(Call call, Response response) throws IOException { String responseData = response.body().string(); // 处理响应 } @Override public void onFailure(Call call, IOException e) { // 处理错误 } }); 
  1. 设置超时时间:
OkHttpClient client = new OkHttpClient.Builder() .connectTimeout(10, TimeUnit.SECONDS) .readTimeout(10, TimeUnit.SECONDS) .writeTimeout(10, TimeUnit.SECONDS) .build(); 

以上只是OkHttp的一些基本用法,还有更多的功能和选项可以根据具体需求进行使用。

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