String url = "https://api.jisuapi.com/exchange/history2?code=USDCNY&startdate=2026-06-01&enddate=2026-06-10&appkey=yourappkey";
URL obj = new URL(url);
HttpURLConnection con = (HttpURLConnection) obj.openConnection();
con.setRequestMethod("GET");
BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));
String inputLine;
StringBuffer response = new StringBuffer();
while ((inputLine = in.readLine()) != null) {
response.append(inputLine);
}
in.close();
System.out.println(response.toString()); Java HTTP请求通用函数
Java Android请求通用函数


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