package net.joystart.common.util;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.io.UnsupportedEncodingException;
import java.net.SocketTimeoutException;
import java.net.URL;
import java.net.URLConnection;
import java.util.List;
import java.util.Map;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.ResponseHandler;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.utils.URLEncodedUtils;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.protocol.HTTP;
import org.apache.http.util.EntityUtils;
import com.google.gson.Gson;
public class HttpRequestUtil {
/**
* 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 url, String param) {
String result = "";
StringBuilder jsonStr = new StringBuilder();
BufferedReader in = null;
String urlNameString = "";
try {
urlNameString = url + param;
URL realUrl = new URL(urlNameString);
// 打开和URL之间的连接
URLConnection connection = realUrl.openConnection();
// 设置通用的请求属性
connection.setRequestProperty("accept", "*/*");
connection.setRequestProperty("connection", "Keep-Alive");
connection.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
// 建立实际的连接
connection.connect();
// 获取所有响应头字段
Map<String, List<String>> map = connection.getHeaderFields();
// 遍历所有的响应头字段
// for (String key : map.keySet()) {
// System.out.println(key + "--->" + map.get(key));
// }
InputStreamReader reader = new InputStreamReader(connection.getInputStream(), ConstantUtil.UTF_CODE);
char[] buff = new char[1024];
int length = 0;
while ((length = reader.read(buff)) != -1) {
result = new String(buff, 0, length);
jsonStr.append(result);
}
Gson gson = new Gson();
Map temp = gson.fromJson("", Map.class);
} catch (Exception e) {
System.out.println("请求地址:url:" + urlNameString);
System.out.println("发送GET请求出现异常！" + e);
e.printStackTrace();
}
// 使用finally块来关闭输入流
finally {
try {
if (in != null) {
in.close();
}
} catch (Exception e2) {
e2.printStackTrace();
}
}
return jsonStr.toString();
}
/**
* 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 url, String param) {
PrintWriter out = null;
BufferedReader in = null;
URLConnection conn = null;
StringBuilder jsonStr = new StringBuilder();
try {
URL realUrl = new URL(url);
// 打开和URL之间的连接
conn = realUrl.openConnection();
conn.setConnectTimeout(20000);
// 设置通用的请求属性
conn.setRequestProperty("accept", "*/*");
conn.setRequestProperty("connection", "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);
// 获取URLConnection对象对应的输出流
out = new PrintWriter(conn.getOutputStream());
// 发送请求参数
out.print(param);
// flush输出流的缓冲
out.flush();
// 定义BufferedReader输入流来读取URL的响应
InputStreamReader reader = new InputStreamReader(conn.getInputStream(), ConstantUtil.UTF_CODE);
char[] buff = new char[1024];
int length = 0;
while ((length = reader.read(buff)) != -1) {
String result = new String(buff, 0, length);
jsonStr.append(result);
}
} catch (Exception e) {
System.out.println("发送 POST 请求出现异常！" + e);
e.printStackTrace();
}
// 使用finally块来关闭输出流、输入流
finally {
try {
if (out != null) {
out.close();
}
if (in != null) {
in.close();
}
} catch (IOException ex) {
ex.printStackTrace();
}
}
return jsonStr.toString();
}
/**
* 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 url, String param, Map<String, String> header) {
PrintWriter out = null;
BufferedReader in = null;
URLConnection conn = null;
StringBuilder jsonStr = new StringBuilder();
try {
URL realUrl = new URL(url);
// 打开和URL之间的连接
conn = realUrl.openConnection();
conn.setConnectTimeout(20000);
// 设置通用的请求属性
conn.setRequestProperty("accept", "*/*");
conn.setRequestProperty("connection", "Keep-Alive");
conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
// 添加header信息
for (Map.Entry<String, String> entry : header.entrySet()) {
conn.setRequestProperty(entry.getKey(), entry.getValue());
}
// 发送POST请求必须设置如下两行
conn.setDoOutput(true);
conn.setDoInput(true);
// 获取URLConnection对象对应的输出流
out = new PrintWriter(conn.getOutputStream());
// 发送请求参数
out.print(param);
// flush输出流的缓冲
out.flush();
// 定义BufferedReader输入流来读取URL的响应
InputStreamReader reader = new InputStreamReader(conn.getInputStream(), ConstantUtil.UTF_CODE);
char[] buff = new char[1024];
int length = 0;
while ((length = reader.read(buff)) != -1) {
String result = new String(buff, 0, length);
jsonStr.append(result);
}
} catch (Exception e) {
System.out.println("发送 POST 请求出现异常！" + e);
e.printStackTrace();
}
// 使用finally块来关闭输出流、输入流
finally {
try {
if (out != null) {
out.close();
}
if (in != null) {
in.close();
}
} catch (IOException ex) {
ex.printStackTrace();
}
}
return jsonStr.toString();
}
/*
* 包的方式
* psot传参方式
* E代驾专用接口
* add cjl
*/
public static String doPostJson(String url, String param) {
String responseBody = "";
HttpPost httppost = new HttpPost(url);
StringEntity entities = new StringEntity(param, "UTF-8");
entities.setContentEncoding("UTF-8");
entities.setContentType("application/x-www-form-urlencoded");
httppost.setEntity(entities);
ResponseHandler<String> responseHandler = new ResponseHandler<String>() {
public String handleResponse(final HttpResponse response) throws ClientProtocolException, IOException {
int status = response.getStatusLine().getStatusCode();
if (status >= 200 && status < 300) {
HttpEntity entity = response.getEntity();
return entity != null ? EntityUtils.toString(entity) : null;
} else {
throw new ClientProtocolException("Unexpected response status: " + status);
}
}
};
try {
responseBody = new DefaultHttpClient().execute(httppost, responseHandler);
} catch (SocketTimeoutException e) {
e.printStackTrace();
responseBody = "timeout";
return responseBody;
} catch (ClientProtocolException e) {
e.printStackTrace();
return responseBody;
} catch (IOException e) {
e.printStackTrace();
return responseBody;
}
return responseBody;
}
/*
* get传参方式
* E代驾专用接口
* add cjl
*/
public static String doGetJson(String url, String param) {
String result = "";
BufferedReader in = null;
try {
String urlNameString = url + "?" + param;
URL realUrl = new URL(urlNameString);
URLConnection connection = realUrl.openConnection();
// 设置通用的请求属性
connection.setRequestProperty("accept", "*/*");
connection.setRequestProperty("connection", "Keep-Alive");
connection.setRequestProperty("user-agent",
"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
// 建立实际的连接
connection.connect();
// 获取所有响应头字段
Map<String, List<String>> map = connection.getHeaderFields();
// 遍历所有的响应头字段
for (String key : map.keySet()) {
System.out.println(key + "--->" + map.get(key));
}
// 定义 BufferedReader输入流来读取URL的响应
in = new BufferedReader(new InputStreamReader(
connection.getInputStream(),ConstantUtil.UTF_CODE));
String line;
while ((line = in.readLine()) != null) {
result += line;
}
} catch (Exception e) {
System.out.println("发送GET请求出现异常！" + e);
e.printStackTrace();
}
// 使用finally块来关闭输入流
finally {
try {
if (in != null) {
in.close();
}
} catch (Exception e2) {
e2.printStackTrace();
}
}
return result;
}
}
