请参考下面的代码：[code]import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.net.URL;
import java.net.URLConnection;
public class HttpUtil {
/**
- java.net实现 HTTP POST方法提交
- @param url
- @param paramContent
- @return
*/
public static StringBuffer submitPost(String url, String paramContent) {
StringBuffer responseMessage = null;
java.net.URLConnection connection = null;
java.net.URL reqUrl = null;
OutputStreamWriter reqOut = null;
InputStream in = null;
BufferedReader br = null;
String param = paramContent;
try {
System.out.println(“url=” + url + “?” + paramContent + “\n”);
System.out.println(“===========post method start=========”);
responseMessage = new StringBuffer();
reqUrl = new java.net.URL(url);
connection = reqUrl.openConnection();
connection.setDoOutput(true);
reqOut = new OutputStreamWriter(connection.getOutputStream());
reqOut.write(param);
reqOut.flush();
int charCount = -1;
in = connection.getInputStream();
br = new BufferedReader(new InputStreamReader(in, “GBK”));
while ((charCount = br.read()) != -1) {
responseMessage.append((char) charCount);
}
System.out.println(responseMessage);
System.out.println(“===========post method end=========”);
} catch (Exception ex) {
System.out
.println(“url=” + url + “?” + paramContent + “\n e=” + ex);
} finally {
try {
in.close();
reqOut.close();
} catch (Exception e) {
System.out
.println(“paramContent=” + paramContent + “|err=” + e);
}
}
return responseMessage;
}
/**
- java.net实现 HTTP或HTTPs GET方法提交
- @param strUrl
-
提交的地址及参数 - @return 返回的response信息
*/
public static String submitGet(String strUrl) {
URLConnection connection = null;
BufferedReader reader = null;
String str = null;
try {
System.out.println(“send getmethod=” + strUrl);
URL url = new URL(strUrl);
connection = url.openConnection();
connection.setDoInput(true);
connection.setDoOutput(false);
// 取得输入流，并使用Reader读取
reader = new BufferedReader(new InputStreamReader(connection
.getInputStream()));
System.out
.println(“============Contents of get request===============”);
String lines;
StringBuffer linebuff = new StringBuffer(“”);
while ((lines = reader.readLine()) != null) {
linebuff.append(lines);
}
System.out.println(linebuff);
System.out
.println(“============Contents of get request ends==========”);
str = linebuff.toString();
} catch (Exception e) {
System.out.println(“getmethod is err=” + e);
e.printStackTrace();
} finally {
try {
reader.close();
} catch (Exception e) {
e.printStackTrace();
}
}
return str;
}
}
[/code]