Question

java程序中怎样可以知道从页面提交的是用post还是get

Answer 1

get提交是用显式提交 可以看到传递的参数 post提交时隐式提交 看不到参数 所以你只需要看提交后网页的链接 有没有 xxx=xxx就可以判断了 有xxx=xxx的话 就是get提交 没有的话 就是POST提交

Answer 2

pclient方便，效率又高，下面是post方式提交登录参数的代码：

public class FormLoginDemo
{
static final String LOGON_SITE = "developer.java.sun.com";
static final int LOGON_PORT = 80;

public FormLoginDemo() {
super();
}

public static void main(String[] args) throws Exception {

HttpClient client = new HttpClient();
client.getHostConfiguration().setHost(LOGON_SITE, LOGON_PORT, "http");
PostMethod authpost = new PostMethod("/servlet/SessionServlet");
// 准备登录参数
NameValuePair action = new NameValuePair("action", "login");
NameValuePair url = new NameValuePair("url", "/index.html");
NameValuePair userid = new NameValuePair("UserId", "userid");
NameValuePair password = new NameValuePair("Password", "password");
authpost.setRequestBody(
new NameValuePair[] );
// 执行Post请求
client.executeMethod(authpost);
// 打印状态码
System.out.println("Login form post: " + authpost.getStatusLine().toString());
// 释放连接
authpost.releaseConnection();
}
}