|
|
@ -14,6 +14,18 @@ import org.apache.http.util.EntityUtils; |
|
|
|
import java.io.IOException; |
|
|
|
import java.util.Map; |
|
|
|
|
|
|
|
import org.apache.logging.log4j.LogManager; |
|
|
|
import org.apache.logging.log4j.Logger; |
|
|
|
|
|
|
|
import java.io.BufferedReader; |
|
|
|
import java.io.IOException; |
|
|
|
import java.io.InputStreamReader; |
|
|
|
import java.io.PrintWriter; |
|
|
|
import java.net.URL; |
|
|
|
import java.net.URLConnection; |
|
|
|
import java.util.Iterator; |
|
|
|
import java.util.Map; |
|
|
|
|
|
|
|
/** |
|
|
|
* @author dimengzhe |
|
|
|
* @date 2021/7/1 14:23 |
|
|
@ -22,6 +34,72 @@ import java.util.Map; |
|
|
|
|
|
|
|
public class HttpUtils { |
|
|
|
|
|
|
|
private final Logger LOG = LogManager.getLogger(this.getClass()); |
|
|
|
|
|
|
|
/** |
|
|
|
* 向指定 URL 发送POST方法的请求 |
|
|
|
* |
|
|
|
* @param url 发送请求的 URL |
|
|
|
* @param paramMap 请求参数 |
|
|
|
* @return 所代表远程资源的响应结果 |
|
|
|
*/ |
|
|
|
public static String doPost(String url, Map<String, ?> paramMap) { |
|
|
|
PrintWriter out = null; |
|
|
|
BufferedReader in = null; |
|
|
|
String result = ""; |
|
|
|
|
|
|
|
String param = ""; |
|
|
|
Iterator<String> it = paramMap.keySet().iterator(); |
|
|
|
|
|
|
|
while (it.hasNext()) { |
|
|
|
String key = it.next(); |
|
|
|
param += key + "=" + paramMap.get(key) + "&"; |
|
|
|
} |
|
|
|
|
|
|
|
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("Accept-Charset", "utf-8"); |
|
|
|
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(), "UTF-8")); |
|
|
|
String line; |
|
|
|
while ((line = in.readLine()) != null) { |
|
|
|
result += line; |
|
|
|
} |
|
|
|
} catch (Exception 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 result; |
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
/** |
|
|
|
* 向指定 URL 发送POST方法的请求(数据格式为json) |
|
|
|
* |
|
|
|