public class HttpClient {
//get请求方法
public String sendGet(String url, String data) {
Date date = new Date();
long time1 = new Date().getTime();
String result = "";
BufferedReader in = null;
try {
String urlNameString = url + "?" + data;
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));
}
// 定义 BufferedReader输入流来读取URL的响应
in = new BufferedReader(new InputStreamReader(connection.getInputStream(),"UTF-8"));//防止乱码
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();
}
}
long time2 = new Date().getTime();
long time3 = time2-time1;
return result+"\n耗时:"+String.valueOf(time3)+"ms";
}
//post请求方法
public String sendPost(String url, String param[]) {
//参数准备，具体需要参数自己魔改--------------------------------
String data = "";
for (int i = 0; i < param.length; i++) {
if(i==0){
data=data+param[i];//把数组转为字符串
}else{
data=data+","+param[i];
}
}
String send = "{'data':{"+data+"}}";
System.out.println("请求参数："+send);
//参数准备，具体需要参数自己魔改--------------------------------
Date date = new Date();
long time1 = new Date().getTime();
String result = null;
try {
CloseableHttpClient httpclient = null;
CloseableHttpResponse httpresponse = null;
try {
httpclient = HttpClients.createDefault();//创建默认的httpClient实例
HttpPost httppost = new HttpPost(url);//创建httppost
StringEntity stringentity = new StringEntity(send,ContentType.create("text/json", "UTF-8"));//防止乱码指定编码格式
httppost.setEntity(stringentity);//设置请求参数
httpresponse = httpclient.execute(httppost);//发送请求
result = EntityUtils.toString(httpresponse.getEntity());//获取返回值，逻辑值转换为字符串返回数据，遍历返回值
} finally {
if (httpclient != null) {
httpclient.close();//启用过则关闭
}
if (httpresponse != null) {
httpresponse.close();//启用过则关闭
}
}
} catch (Exception e) {
e.printStackTrace();
}
long time2 = new Date().getTime();
long time3 = time2-time1;
return result+"-"+"耗时:"+String.valueOf(time3)+"ms";
}
}
