本文实例为大家分享了Java模拟HTTP Get Post请求，校园BBS自动回帖功能，供大家参考，具体内容如下
设计思路
找到帖子链接的集合，最后面数字变化, 就可以得到不同的帖子
防止帖子发表会又被删了的情况, 进行判断帖子是否存在
遍历这个集合, 对每个链接做回帖的POST请求
重难点
Note:
- 回帖需要用户登录信息
- 一种是利用Cookie
- 另一种是进行模拟登录
- 本文采用前者
代码
代码比较简单，注意事项是找到自己的Cookie，赋给String yourCookeie就可以直接运行
主要就是判断帖子存不存在，这是一个get请求，然后用post发送一个回帖，回帖信息在mapData.put(“message”, “友情帮顶了”)中 硬编码为”友情帮顶了”，你可以修改
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import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.UnsupportedEncodingException;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLEncoder;
import java.util.LinkedHashMap;
import java.util.Map;
public class Inter {
private static final String baseRefer = "http://rs.xidian.edu.cn/forum.php?mod=viewthread&tid=";
private static final String yourCookeie = "Q8qA_2132_saltkey=g1NJjJ3O; Q8qA_2132_lastvisit=1438243699; Q8qA_2132_lastcheckfeed=256730%7C1438252008; Q8qA_2132_auth=e11aEhhXpLgTYpfDK72YJZEgJHL1v70cUXXDtJ71VbU2dyuH%2BQHw3pGOJhsFxfjbVgNsvyfG1v%2BQlD0lt8kg6J%2B40W0; Q8qA_2132_st_t=256730%7C1438571068%7C51f8a322985e44f65ff1143329e6779a; Q8qA_2132_forum_lastvisit=D_106_1438571068; Q8qA_2132_myrepeat_rr=R0; Q8qA_2132_ulastactivity=d7degfMAwG5AGHshmT%2BwCq1L91znQpEa57p%2F0Vt7VHdC8DrOuGTT; Q8qA_2132_home_diymode=1; tjpctrl=1438781938176; Q8qA_2132_visitedfid=72D551D215D110D13D142D22D91D217D548; Q8qA_2132_st_p=256730%7C1438781224%7C7a73ef608dc3caf733308d63639b3bd0; Q8qA_2132_viewid=tid_773850; Q8qA_2132_smile=10D1; Q8qA_2132_sid=ZnfqQN; Q8qA_2132_lastact=1438781403%09forum.php%09ajax";
public static void main(String[] args) {
int startId = 774210; // you need change
for (int i = 0; i < 100; i++) {
postMessage(startId);
startId++;
}
}
public static boolean isExist(int id) {
String tmpPath = baseRefer + id;
URL url;
try {
url = new URL(tmpPath);
HttpURLConnection con = (HttpURLConnection) url.openConnection();
con.addRequestProperty("Content-Type", "text/html; charset=UTF-8");
con.addRequestProperty(
"User-Agent",
"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/38.0.2125.104 Safari/537.36");
con.addRequestProperty("Referer", "http://t.dianping.com/register");
con.setRequestMethod("GET");
if (con.getResponseCode() == 200) {
InputStream inputStr = con.getInputStream();
String info = new String(StreamTool.read(inputStr), "UTF-8");
if (info.contains("抱歉，指定的主题不存在或已被删除或正在被审核")) {
System.out.println("id=" + id + "帖子存在或已被删除！");
return false;
}
}
} catch (MalformedURLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return true;
}
public static void postMessage(int id) {
if (!isExist(id)) {
return;
}
String tmpPath = baseRefer + id;
StringBuilder path = new StringBuilder(tmpPath);
Map<String, String> mapData = new LinkedHashMap<String, String>();
mapData.put("mod", "post");
mapData.put("action", "reply");
mapData.put("replysubmit", "yes");
mapData.put("infloat", "yes");
mapData.put("handlekey", "fastpost");
mapData.put("inajax", "1");
mapData.put("message", "友情帮顶了");
mapData.put("formhash", "86ec5d81");
try {
for (Map.Entry<String, String> mapEnt : mapData.entrySet()) {
path.append("&");
path.append(mapEnt.getKey() + "=");
path.append(URLEncoder.encode(mapEnt.getValue(), "UTF-8"));
}
URL url = new URL(path.toString());
HttpURLConnection con = (HttpURLConnection) url.openConnection();
con.setRequestMethod("POST");
con.setRequestProperty("Content-Type",
"application/x-www-form-urlencoded");
con.setRequestProperty("Content-Length",
String.valueOf(path.length()));
con.setRequestProperty(
"User-Agent",
"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/38.0.2125.104 Safari/537.36");
con.setRequestProperty("Cookie", yourCookeie);
con.setDoOutput(true);
OutputStream outStr = con.getOutputStream();
outStr.write(path.toString().getBytes());
if (con.getResponseCode() == 200) {
InputStream inputStr = con.getInputStream();
String info = new String(StreamTool.read(inputStr), "UTF-8");
System.out.println("在id=" + id + "成功发帖！");
try {
Thread.sleep(20 * 1000);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
} catch (UnsupportedEncodingException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (MalformedURLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
class StreamTool {
public static byte[] read(InputStream inputStr) throws Exception {
ByteArrayOutputStream outStr = new ByteArrayOutputStream();
// TODO Auto-generated method stub
byte[] buffer = new byte[1024];
int len = 0;
while ((len = inputStr.read(buffer)) != -1) {
outStr.write(buffer, 0, len);
}
inputStr.close();
return outStr.toByteArray();
}
}
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效果图
以上就是本文的全部内容，希望对大家的学习有所帮助，实现帖子自动回复。