HttpURLConnection 模拟登录方法 (带cookie 的Post/Get)外挂
2017-12-08 15:34
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package com.http;
import java.io.BufferedReader;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
public class HttpPostMain {
public static String cookieVal="";
/**
* 模拟浏览器get请求
* @param url_get 请求url连接 www.baidu.com
* @param str_param_url 请求参数 a=20171101&b=02&c=20171101
* @param charset 请求字符集 如 utf-8,gbk等
* @param cookie 浏览器端可以复制cookies
* @throws IOException
*/
public static void Get(String url_get,String str_param_url,String charset,String cookie) throws IOException {
// 拼凑get请求的URL字串,使用URLEncoder.encode对特殊和不可见字符进行编码
// String getURL = GET_URL + "?username=" + URLEncoder.encode("fat man", "utf-8");
String getURL = url_get + "?" + str_param_url;
URL getUrl = new URL(getURL);
// 根据拼凑的URL,打开连接,URL.openConnection函数会根据URL的类型,
// 返回不同的URLConnection子类的对象,这里URL是一个http,因此实际返回的是HttpURLConnection
HttpURLConnection connection = (HttpURLConnection) getUrl
.openConnection();
if (cookie != null) {
//发送cookie信息上去,以表明自己的身份,否则会被认为没有权限
System.out.println("set cookieVal = [" + cookie + "]");
connection.setRequestProperty("Cookie", cookie);
}
// 进行连接,但是实际上get request要在下一句的connection.getInputStream()函数中才会真正发到
// 服务器
connection.connect();
// 取得输入流,并使用Reader读取
BufferedReader reader = new BufferedReader(new InputStreamReader(
connection.getInputStream(),charset));
System.out.println("Contents of get request:");
String lines;
while ((lines = reader.readLine()) != null) {
System.out.println(lines);
}
System.out.println(" ");
reader.close();
// 断开连接
connection.disconnect();
}
/**
* 模拟浏览器post请求
* @param url_get 请求url连接 www.baidu.com
* @param str_param_url 请求参数 a=20171101&b=02&c=20171101
* @param charset 请求字符集 如 utf-8,gbk等
* @param cookie 浏览器端可以复制cookies
* @throws IOException
*/
public static String Post(String url_post,String str_param_body,String charset,boolean b_flag,String cookies) throws IOException {
// Post请求的url,与get不同的是不需要带参数
URL postUrl = new URL(url_post);
// 打开连接
HttpURLConnection connection = (HttpURLConnection) postUrl
.openConnection();
// Output to the connection. Default is
// false, set to true becau
4000
se post
// method must write something to the
// connection
// 设置是否向connection输出,因为这个是post请求,参数要放在
// http正文内,因此需要设为true
if("" != cookies){
connection.setRequestProperty("Cookie", cookies);
}
connection.setDoOutput(true);
// Read from the connection. Default is true.
connection.setDoInput(true);
// Set the post method. Default is GET
connection.setRequestMethod("POST");
// Post cannot use caches
// Post 请求不能使用缓存
connection.setUseCaches(false);
// This method takes effects to
// every instances of this class.
// URLConnection.setFollowRedirects是static函数,作用于所有的URLConnection对象。
// connection.setFollowRedirects(true);
// This methods only
// takes effacts to this
// instance.
// URLConnection.setInstanceFollowRedirects是成员函数,仅作用于当前函数
connection.setInstanceFollowRedirects(b_flag);
// Set the content type to urlencoded,
// because we will write
// some URL-encoded content to the
// connection. Settings above must be set before connect!
// 配置本次连接的Content-type,配置为application/x-www-form-urlencoded的
// 意思是正文是urlencoded编码过的form参数,下面我们可以看到我们对正文内容使用URLEncoder.encode
// 进行编码
connection.setRequestProperty("Content-Type",
"application/x-www-form-urlencoded");
// 连接,从postUrl.openConnection()至此的配置必须要在connect之前完成,
// 要注意的是connection.getOutputStream会隐含的进行connect。
connection.connect();
DataOutputStream out = new DataOutputStream(connection.getOutputStream());
// The URL-encoded contend
// 正文,正文内容其实跟get的URL中'?'后的参数字符串一致
// String content = "userName=" + URLEncoder.encode("console", "utf-8");
// content = content + "&password=" + URLEncoder.encode("12345678", "utf-8");
System.out.println("http param body = [" + str_param_body + "]");
// DataOutputStream.writeBytes将字符串中的16位的unicode字符以8位的字符形式写道流里面
out.writeBytes(str_param_body);
out.flush();
// 取得cookie,相当于记录了身份,供下次访问时使用
// cookieVal = connection.getHeaderField("Set-Cookie").split(";")[0]
cookieVal = connection.getHeaderField("Set-Cookie");
System.out.println("get cookieVal = [" + cookieVal + "]");
out.close(); // flush and close
BufferedReader reader = new BufferedReader(new InputStreamReader(
connection.getInputStream(),charset));
String line;
System.out.println("Contents of post request:");
while ((line = reader.readLine()) != null) {
System.out.println(line);
}
System.out.println(" ");
reader.close();
connection.disconnect();
return cookieVal;
}
public static void main(String[] args) throws IOException {
String url = "http://member.gzzbpizza.com/WxFood/WxService.asmx/QuickSeckill";
String cs = "drawNo=20171101&periodNo=02&ticketNo=20171101";
String cookie_login = "Phone=13265174687; GroupId=54; LGK=AE6AD02826B5AFF4AF23CD749FECAD7E; ASP.NET_SessionId=gggnznval5tqu2pupyz2y0no";
for(int i=0;i<10;i++){
Post(url,cs,"utf-8",false,cookie_login);
}
}
}
请求结果显示
import java.io.BufferedReader;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
public class HttpPostMain {
public static String cookieVal="";
/**
* 模拟浏览器get请求
* @param url_get 请求url连接 www.baidu.com
* @param str_param_url 请求参数 a=20171101&b=02&c=20171101
* @param charset 请求字符集 如 utf-8,gbk等
* @param cookie 浏览器端可以复制cookies
* @throws IOException
*/
public static void Get(String url_get,String str_param_url,String charset,String cookie) throws IOException {
// 拼凑get请求的URL字串,使用URLEncoder.encode对特殊和不可见字符进行编码
// String getURL = GET_URL + "?username=" + URLEncoder.encode("fat man", "utf-8");
String getURL = url_get + "?" + str_param_url;
URL getUrl = new URL(getURL);
// 根据拼凑的URL,打开连接,URL.openConnection函数会根据URL的类型,
// 返回不同的URLConnection子类的对象,这里URL是一个http,因此实际返回的是HttpURLConnection
HttpURLConnection connection = (HttpURLConnection) getUrl
.openConnection();
if (cookie != null) {
//发送cookie信息上去,以表明自己的身份,否则会被认为没有权限
System.out.println("set cookieVal = [" + cookie + "]");
connection.setRequestProperty("Cookie", cookie);
}
// 进行连接,但是实际上get request要在下一句的connection.getInputStream()函数中才会真正发到
// 服务器
connection.connect();
// 取得输入流,并使用Reader读取
BufferedReader reader = new BufferedReader(new InputStreamReader(
connection.getInputStream(),charset));
System.out.println("Contents of get request:");
String lines;
while ((lines = reader.readLine()) != null) {
System.out.println(lines);
}
System.out.println(" ");
reader.close();
// 断开连接
connection.disconnect();
}
/**
* 模拟浏览器post请求
* @param url_get 请求url连接 www.baidu.com
* @param str_param_url 请求参数 a=20171101&b=02&c=20171101
* @param charset 请求字符集 如 utf-8,gbk等
* @param cookie 浏览器端可以复制cookies
* @throws IOException
*/
public static String Post(String url_post,String str_param_body,String charset,boolean b_flag,String cookies) throws IOException {
// Post请求的url,与get不同的是不需要带参数
URL postUrl = new URL(url_post);
// 打开连接
HttpURLConnection connection = (HttpURLConnection) postUrl
.openConnection();
// Output to the connection. Default is
// false, set to true becau
4000
se post
// method must write something to the
// connection
// 设置是否向connection输出,因为这个是post请求,参数要放在
// http正文内,因此需要设为true
if("" != cookies){
connection.setRequestProperty("Cookie", cookies);
}
connection.setDoOutput(true);
// Read from the connection. Default is true.
connection.setDoInput(true);
// Set the post method. Default is GET
connection.setRequestMethod("POST");
// Post cannot use caches
// Post 请求不能使用缓存
connection.setUseCaches(false);
// This method takes effects to
// every instances of this class.
// URLConnection.setFollowRedirects是static函数,作用于所有的URLConnection对象。
// connection.setFollowRedirects(true);
// This methods only
// takes effacts to this
// instance.
// URLConnection.setInstanceFollowRedirects是成员函数,仅作用于当前函数
connection.setInstanceFollowRedirects(b_flag);
// Set the content type to urlencoded,
// because we will write
// some URL-encoded content to the
// connection. Settings above must be set before connect!
// 配置本次连接的Content-type,配置为application/x-www-form-urlencoded的
// 意思是正文是urlencoded编码过的form参数,下面我们可以看到我们对正文内容使用URLEncoder.encode
// 进行编码
connection.setRequestProperty("Content-Type",
"application/x-www-form-urlencoded");
// 连接,从postUrl.openConnection()至此的配置必须要在connect之前完成,
// 要注意的是connection.getOutputStream会隐含的进行connect。
connection.connect();
DataOutputStream out = new DataOutputStream(connection.getOutputStream());
// The URL-encoded contend
// 正文,正文内容其实跟get的URL中'?'后的参数字符串一致
// String content = "userName=" + URLEncoder.encode("console", "utf-8");
// content = content + "&password=" + URLEncoder.encode("12345678", "utf-8");
System.out.println("http param body = [" + str_param_body + "]");
// DataOutputStream.writeBytes将字符串中的16位的unicode字符以8位的字符形式写道流里面
out.writeBytes(str_param_body);
out.flush();
// 取得cookie,相当于记录了身份,供下次访问时使用
// cookieVal = connection.getHeaderField("Set-Cookie").split(";")[0]
cookieVal = connection.getHeaderField("Set-Cookie");
System.out.println("get cookieVal = [" + cookieVal + "]");
out.close(); // flush and close
BufferedReader reader = new BufferedReader(new InputStreamReader(
connection.getInputStream(),charset));
String line;
System.out.println("Contents of post request:");
while ((line = reader.readLine()) != null) {
System.out.println(line);
}
System.out.println(" ");
reader.close();
connection.disconnect();
return cookieVal;
}
public static void main(String[] args) throws IOException {
String url = "http://member.gzzbpizza.com/WxFood/WxService.asmx/QuickSeckill";
String cs = "drawNo=20171101&periodNo=02&ticketNo=20171101";
String cookie_login = "Phone=13265174687; GroupId=54; LGK=AE6AD02826B5AFF4AF23CD749FECAD7E; ASP.NET_SessionId=gggnznval5tqu2pupyz2y0no";
for(int i=0;i<10;i++){
Post(url,cs,"utf-8",false,cookie_login);
}
}
}
请求结果显示
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