刚刚毕业，所以很多不懂。这是我做的一个例子。但是一直报500错误public static String addfriend(String ownerName,String friendName) throws IOException{
String url = https://a1.easemob.com/gzw-dem ... s2%3B
String body = ClientContext.sendPost(url, null);
return body;
}
public static String sendPost(String urlStr, String reqBody) throws IOException {
String token = ClientContext.getToken();
PrintWriter out = null;
BufferedReader in = null;
String result = "";
try {
URL realUrl = new URL(urlStr);
// 打开和URL之间的连接
URLConnection conn = realUrl.openConnection();
// 设置通用的请求属性
conn.setRequestProperty("accept", "*/*");
conn.setRequestProperty("connection", "Keep-Alive");
conn.setRequestProperty("Authorization", "Bearer " + token);
conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
// 发送POST请求必须设置如下两行
conn.setDoOutput(true);
conn.setDoInput(true);
// 获取URLConnection对象对应的输出流
out = new PrintWriter(conn.getOutputStream());
// 发送请求参数
if (reqBody != null) {
out.print(reqBody);
}
// flush输出流的缓冲
out.flush();
// 定义BufferedReader输入流来读取URL的响应
in = new BufferedReader(new InputStreamReader(conn.getInputStream()));
String line;
while ((line = in.readLine()) != null) {
result += line;
}
} catch (Exception e) {
System.out.println("发送 POST 请求出现异常！" + e);
e.printStackTrace();
}
// 使用finally块来关闭输出流、输入流
finally {
try {
if (out != null) {
out.close();
}
if (in != null) {
in.close();
}
} catch (IOException ex) {
ex.printStackTrace();
}
}
return result;
}
报错为：
java.io.IOException: Server returned HTTP response code: 500 for URL: https://a1.easemob.com/gzw-dem ... s/zs2
at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1840)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1441)
at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:254)
at com.longcom.commmon.ClientContext.sendPost(ClientContext.java:141)
at com.longcom.service.UsersOperation.addfriend(UsersOperation.java:106)
at com.longcom.test.Test.main(Test.java:47)
转播
