OkHttp 获取文本、文件、Post请求_okhttp获取页面文字

/**
	 * 读取文本内容
	 */
	private static void accessTxt() {
		// TODO Auto-generated method stub
		OkHttpClient okClient = new OkHttpClient();
		Request request = new Request.Builder().url("http://localhost:8081/LoginTest/data.txt").build();
		try {
			Response response = okClient.newCall(request).execute();
			if (response.isSuccessful()) {
				String msg = response.body().string();
				System.out.println(msg);
			} else {
				System.out.println("连接服务器失败返回错误代码" + response.code());
			}
 
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}

请求文件

	/**
	 * 下载文件
	 */
	private static void accessImageAndFile() {
		// TODO Auto-generated method stub
		OkHttpClient okClient = new OkHttpClient();
		Request request = new Request.Builder().url("http://localhost:8081/LoginTest/image.jpg").build();
		try {
			okClient.newCall(request).enqueue(new Callback() {
 
				@Override
				public void onResponse(Call arg0, Response arg1) throws IOException {
					// TODO Auto-generated method stub
					byte[] buffer = arg1.body().bytes();
					OutputStream oStream = new FileOutputStream("newImage.jpg");
					oStream.write(buffer);
					oStream.close();
				}
 
				@Override
				public void onFailure(Call arg0, IOException arg1) {
					// TODO Auto-generated method stub
					System.out.println("获取服务器数据失败");
				}
			});
		} catch (Exception e) {
			// TODO: handle exception
			System.out.println(e);
		}
	}

Post请求

	/**
	 * post请求
	 */
	private static void postAccess() {
		// TODO Auto-generated method stub
		OkHttpClient cHttpClient = new OkHttpClient();
		// 创建表单构建器
		FormBody.Builder builder = new FormBody.Builder();
		builder.add("userName", "hejingzhou");
		builder.add("userPassword", "1230");
		// 创建请求体，通过构建器请求体
		RequestBody body = builder.build();
		Request request = new Request.Builder().url("http://localhost:8081/LoginTest/hello").post(body).build();
		try {
			Response response = cHttpClient.newCall(request).execute();
			if (response.isSuccessful()) {
				System.out.println("服务器返回代码：  " + response.code());
				System.out.println(response.body().string());
			} else {
				int backCode = response.code();
				System.out.println(backCode);
			}
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}

			 response.body().toString();
			 response.body().bytes();
			 response.body().byteStream();
			 response.body().charStream();
			 response.body().contentLength();
			 response.body().contentType();
			 response.body().source();