我想在一个网站上用java发送一个帖子表单。我想出了这个,但我不知道下一步该怎么做,也不知道这是不是正确的方法。
URL url = new URL("http://127.0.0.1");
URLConnection conn=url.openConnection();
conn.setDoOutput(true);
OutputStreamWriter wr = new OutputStreamWriter(conn.getOutputStream());
wr.write(data);
post表单如下所示。
<form action="prikaz4.php" method="post">
<select name="igralec"/>
<option value="Kobe Bryant">Kobe Bryant</option>
<option value="Dwayne Wade">Dwayne Wade</option>
<input type="submit" />
</form>
发布于 2011-09-28 18:50:03
您可以编写类似以下内容的代码:
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpException;
import org.apache.commons.httpclient.HttpStatus;
import org.apache.commons.httpclient.methods.PostMethod;
import org.apache.http.impl.client.HttpClients;
public class PostReqEx {
public void sendReq(String url,String email,String fname){
HttpClient httpClient = HttpClients.createDefault();
PostMethod postMethod = new PostMethod(url);
postMethod.addParameter("Email", email);
postMethod.addParameter("fname", fname);
try {
httpClient.executeMethod(postMethod);
} catch (HttpException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
if (postMethod.getStatusCode() == HttpStatus.SC_OK) {
String resp = postMethod.getResponseBodyAsString();
} else {
//...postMethod.getStatusLine();
}
}
}
发布于 2011-09-28 18:15:26
阿帕奇的HttpClient项目将为您更好地处理此问题。
或者你可以试试下面的代码:
// Using java.net.URL and
//java.net.URLConnection
URL url = new URL("http://jobsearch.dice.com/jobsearch/jobsearch.cgi");
URLConnection connection = url.openConnection();
connection.setDoOutput(true);
OutputStreamWriter out = newOutputStreamWriter(uc.getOutputStream(), "8859_1");
out.write("username=bob&password="+password+"");
// remember to clean up
out.flush();
out.close();
发布于 2011-09-28 18:12:12
您可能需要考虑使用HttpClient library from Apache。它有HttpPost
类,非常容易使用。
https://stackoverflow.com/questions/7581550
复制相似问题