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import java.io.BufferedReader;
import java.io.Closeable;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.URL;
import java.net.URLConnection;
import java.net.URLDecoder;
import net.sf.json.JSONObject;
import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.util.EntityUtils;
/**
* @author 作者 macx:
* @version 创建时间:2018年7月12日 下午2:20:47 类说明
*/
@SuppressWarnings({"deprecation"})
public class Test_1 {
public static void main(String[] args) {
sendPost("","params");
}
/**
* 向指定 URL 发送POST方法的请求
*/
private static String sendPost(String url, String param) {
PrintWriter out = null;
BufferedReader in = null;
String result = "";
try {
URL realUrl = new URL(url);
// 打开和URL之间的连接
URLConnection conn = realUrl.openConnection();
// 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
in = new BufferedReader(new InputStreamReader(conn.getInputStream()));
String line;
while ((line = in.readLine()) != null) {
result += line;
}
} catch (Exception e) {
System.out.println("发送 POST 请求出现异常!" + e);
e.printStackTrace();
} finally {// 使用finally块来关闭输出流、输入流
try {
if (out != null) {
out.close();
}
if (in != null) {
in.close();
}
} catch (IOException ex) {
ex.printStackTrace();
}
}
return result;
}
/**
* 向指定 URL 发送GET方法的请求
*/
JSONObject jsonResult = null;
try {
DefaultHttpClient client = new DefaultHttpClient();
// 发get请求
HttpGet request = new HttpGet(url);
HttpResponse response = client.execute(request);
/** 请求发求成功,并得到响应 **/
if (response.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {
/** 读取服务器返回过来的json字符串数 **/
String strResult = EntityUtils.toString(response.getEntity());
System.out.println(strResult);
/** 把json字符串转换成json对象 **/
try {
jsonResult = JSONObject.fromObject(strResult);
url = URLDecoder.decode(url, "UTF-8");
} catch (Exception e) {
jsonResult = new JSONObject();
jsonResult.put("id", strResult);
}
} else {
System.out.println("get请求提交失败:" + url);
}
((Closeable) client).close();
} catch (IOException e) {
System.out.println("get请求提交失败:" + url);
}
return jsonResult;
}
}
import java.io.Closeable;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.URL;
import java.net.URLConnection;
import java.net.URLDecoder;
import net.sf.json.JSONObject;
import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.util.EntityUtils;
/**
* @author 作者 macx:
* @version 创建时间:2018年7月12日 下午2:20:47 类说明
*/
@SuppressWarnings({"deprecation"})
public class Test_1 {
public static void main(String[] args) {
sendPost("","params");
}
/**
* 向指定 URL 发送POST方法的请求
*/
private static String sendPost(String url, String param) {
PrintWriter out = null;
BufferedReader in = null;
String result = "";
try {
URL realUrl = new URL(url);
// 打开和URL之间的连接
URLConnection conn = realUrl.openConnection();
// 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
in = new BufferedReader(new InputStreamReader(conn.getInputStream()));
String line;
while ((line = in.readLine()) != null) {
result += line;
}
} catch (Exception e) {
System.out.println("发送 POST 请求出现异常!" + e);
e.printStackTrace();
} finally {// 使用finally块来关闭输出流、输入流
try {
if (out != null) {
out.close();
}
if (in != null) {
in.close();
}
} catch (IOException ex) {
ex.printStackTrace();
}
}
return result;
}
* 向指定 URL 发送GET方法的请求
*/
public static JSONObject httpGet(String url) {
JSONObject jsonResult = null;
try {
DefaultHttpClient client = new DefaultHttpClient();
// 发get请求
HttpGet request = new HttpGet(url);
HttpResponse response = client.execute(request);
/** 请求发求成功,并得到响应 **/
if (response.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {
/** 读取服务器返回过来的json字符串数 **/
String strResult = EntityUtils.toString(response.getEntity());
System.out.println(strResult);
/** 把json字符串转换成json对象 **/
try {
jsonResult = JSONObject.fromObject(strResult);
url = URLDecoder.decode(url, "UTF-8");
} catch (Exception e) {
jsonResult = new JSONObject();
jsonResult.put("id", strResult);
}
} else {
System.out.println("get请求提交失败:" + url);
}
((Closeable) client).close();
} catch (IOException e) {
System.out.println("get请求提交失败:" + url);
}
return jsonResult;
}
}