Java之请求发送工具类（HttpRequestUtils，百度站长）-yellowcong

http://data.zz.baidu.com/urls

请求工具

package com.yellowcong.utils;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.URL;
import java.net.URLConnection;
/**
* 通过这个工具类，来发送数据请求信息
* @author 狂飙のyellowcong
* 2015年8月15日
*
*/
public class HttpRequestUtils {

private HttpRequestUtils(){}

/**
* 给定义URL 然后就访问数据了
* @param urlPath
* @return
*/
public static String sendGet(String urlPath){
return HttpRequestUtils.sendGet(urlPath,null);
}

/**
* 向指定URL发送GET方法的请求
*
* @param url
*            发送请求的URL
* @param param
*            请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
* @return URL 所代表远程资源的响应结果
*/
public static String sendGet(String urlPath, String param){
String result = "";
BufferedReader buff = null;

try {
String urlPathStr = null;
if(param  == null  || "".equals(param.trim())){
urlPathStr = urlPath;
}else{
urlPathStr = urlPath + "?" + param;
}
//获取URL
URL url = new URL(urlPathStr);
//获取连接
URLConnection conn  = url.openConnection();
//设定连接的属性
conn.setRequestProperty("accept", "*/*");
conn.setRequestProperty("conn", "Keep-Alive");
conn.setRequestProperty("user-agent",
"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");

//设定 ip 设定成百度的爬虫Ip
conn.setRequestProperty("X-Forwarded-For", "117.28.255.37");
conn.setRequestProperty("Client-Ip", "117.28.255.37");
//打开连接
conn.connect();
//获取结果
buff  = new BufferedReader(new InputStreamReader(conn.getInputStream()));
//设定结果
String line  = null;
while((line = buff.readLine())!= null){
result +=line;
}
return result;
} catch (Exception e) {
throw new RuntimeException(e.getMessage());
}finally{
try {
//关闭连接
if(buff != null){
buff.close();
}
} catch (IOException e) {
e.printStackTrace();
}
}
}

/**
* 向指定 URL 发送POST方法的请求
*
* @param url
*            发送请求的 URL
* @param param
*            请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
* @return 所代表远程资源的响应结果
*/
public static String sendPost(String urlPath, String param){
String result = "";
BufferedReader buff = null;
//向别的服务器些数据
PrintWriter writer = null;
try {
URL url = new URL(urlPath);

URLConnection conn =url.openConnection();
//设定连接的属性
conn.setRequestProperty("accept", "*/*");
conn.setRequestProperty("conn", "Keep-Alive");
conn.setRequestProperty("user-agent",
"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");

// 发送POST请求必须设置如下两行
conn.setDoOutput(true);
conn.setDoInput(true);

//通过 PrintWriter写数据到 服务器中
writer = new PrintWriter( conn.getOutputStream());
//添加参数
writer.print(param);
writer.flush();

//获取结果
//获取结果
buff  = new BufferedReader(new InputStreamReader(conn.getInputStream()));
//设定结果
String line  = null;
while((line = buff.readLine())!= null){
result +=line;
}
return result;
} catch (Exception e) {
throw new RuntimeException(e.getMessage());
}finally{
try {
if(writer != null){
writer.close();
}

if(buff != null){
buff.close();
}
} catch (Exception e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
}
}
/**
* 给定一个URL 进行post访问
* @param urlPath
* @return
*/
public static String sendPost(String urlPath){
return HttpRequestUtils.sendPost(urlPath,null);
}

/**
* 需要通过post方法 推送数据到服务器中
* urlPath 百度的推送路径 http://data.zz.baidu.com/urls?site=hkjhjgc.duapp.com&token=vLebVefzx38Zin5D * urls 推送的路径地址
* @return
*/
public static String post2Bae(String urlPath,String[] urls){
String result = "";
BufferedReader buff = null;
//向别的服务器些数据
PrintWriter writer = null;
try {
URL url = new URL(urlPath);
URLConnection conn =url.openConnection();
//设定连接的属性
conn.setRequestProperty("Host","data.zz.baidu.com");
conn.setRequestProperty("User-Agent", "curl/7.12.1");
conn.setRequestProperty("Content-Length", "83");
conn.setRequestProperty("Content-Type", "text/plain");
// 发送POST请求必须设置如下两行
conn.setDoOutput(true);
conn.setDoInput(true);

//通过 PrintWriter写数据到 服务器中
writer = new PrintWriter( conn.getOutputStream());
String param = "";
for(String s : urls){
param += s+"\n";
}
writer.print(param.trim());
writer.flush();

//打印标签头的数据
/*Map<String, List<String>>   fields =  conn.getHeaderFields();
for(Map.Entry<String, List<String>> entry:fields.entrySet()){
System.out.println(entry.getKey()+":"+entry.getValue());
}*/
//获取结果
//获取结果
buff  = new BufferedReader(new InputStreamReader(conn.getInputStream()));
//设定结果
String line  = null;
while((line = buff.readLine())!= null){
result +=line;
}
return result;
} catch (Exception e) {
throw new RuntimeException(e.getMessage());
}finally{
try {
if(writer != null){
writer.close();
}

if(buff != null){
buff.close();
}
} catch (Exception e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
}
}

//http://hkjhjgc.duapp.com/passage/show/58
/**
* 推送数据到百度中,我们需要 文章id 来添加数据 ， 自动生成文章的url访问
* @param pid
* @return
*/
public static String postPassage2Bae(int pid){
String purl ="http://hkjhjgc.duapp.com/passage/show/"+pid;
String [] urls = new String [] {purl};
//其中访问的url地址要弄清楚了，不要在搞飞机的搞错了
return HttpRequestUtils.post2Bae("http://data.zz.baidu.com/urls?site=hkjhjgc.duapp.com&token=vLebVefzx38Zin5D",urls);
}
}