|
|
package utils;
|
|
|
|
|
|
import com.alibaba.fastjson.JSON;
|
|
|
import com.alibaba.fastjson.JSONArray;
|
|
|
import com.alibaba.fastjson.JSONObject;
|
|
|
import com.sunyo.energy.location.model.WaterMeter;
|
|
|
import jdk.nashorn.internal.parser.JSONParser;
|
|
|
|
|
|
import java.io.*;
|
|
|
import java.net.HttpURLConnection;
|
|
|
import java.net.URL;
|
|
|
import java.net.URLConnection;
|
|
|
import java.net.URLEncoder;
|
|
|
import java.util.ArrayList;
|
|
|
import java.util.HashMap;
|
|
|
import java.util.List;
|
|
|
import java.util.Map;
|
|
|
|
|
|
public class HttpsUtils {
|
|
|
|
|
|
/**
|
|
|
* java调用运程api公共方法
|
|
|
*
|
|
|
* @param requestUrl
|
|
|
* @param params
|
|
|
* @return
|
|
|
*/
|
|
|
@SuppressWarnings({"unchecked", "rawtypes"})
|
|
|
public static String httpRequest(String requestUrl, Map params) throws Exception {
|
|
|
// buffer用于接受返回的字符
|
|
|
StringBuffer buffer = new StringBuffer();
|
|
|
|
|
|
// 建立URL,把请求地址给补全,其中urlencode()方法用于把params里的参数给取出来
|
|
|
URL url = new URL(requestUrl + "?" + urlencode(params));
|
|
|
// 打开http连接
|
|
|
HttpURLConnection httpUrlConn = (HttpURLConnection) url
|
|
|
.openConnection();
|
|
|
httpUrlConn.setDoInput(true);
|
|
|
httpUrlConn.setRequestMethod("GET");
|
|
|
httpUrlConn.connect();
|
|
|
|
|
|
// 获得输入
|
|
|
InputStream inputStream = httpUrlConn.getInputStream();
|
|
|
InputStreamReader inputStreamReader = new InputStreamReader(
|
|
|
inputStream, "utf-8");
|
|
|
BufferedReader bufferedReader = new BufferedReader(inputStreamReader);
|
|
|
|
|
|
// 将bufferReader的值给放到buffer里
|
|
|
String str = null;
|
|
|
while ((str = bufferedReader.readLine()) != null) {
|
|
|
buffer.append(str);
|
|
|
}
|
|
|
// 关闭bufferReader和输入流
|
|
|
bufferedReader.close();
|
|
|
inputStreamReader.close();
|
|
|
inputStream.close();
|
|
|
inputStream = null;
|
|
|
// 断开连接
|
|
|
httpUrlConn.disconnect();
|
|
|
|
|
|
// 返回字符串
|
|
|
return buffer.toString();
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* 请求参数拼接(组装)
|
|
|
*
|
|
|
* @param data
|
|
|
* @return
|
|
|
*/
|
|
|
@SuppressWarnings("rawtypes")
|
|
|
public static String urlencode(Map<String, Object> data) {
|
|
|
// 将map里的参数变成像 showapi_appid=###&showapi_sign=###&的样子
|
|
|
StringBuilder sb = new StringBuilder();
|
|
|
for (Map.Entry i : data.entrySet()) {
|
|
|
try {
|
|
|
sb.append(i.getKey()).append("=")
|
|
|
.append(URLEncoder.encode(i.getValue() + "", "UTF-8"))
|
|
|
.append("&");
|
|
|
} catch (UnsupportedEncodingException e) {
|
|
|
e.printStackTrace();
|
|
|
}
|
|
|
}
|
|
|
return sb.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 sendPostHttpRequest(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);
|
|
|
// 1.获取URLConnection对象对应的输出流
|
|
|
out = new PrintWriter(conn.getOutputStream());
|
|
|
// 2.中文有乱码的需要将PrintWriter改为如下
|
|
|
// out=new OutputStreamWriter(conn.getOutputStream(),"UTF-8")
|
|
|
// 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();
|
|
|
}
|
|
|
// 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;
|
|
|
}
|
|
|
|
|
|
// 测试是否有效
|
|
|
// public static void main(String[] args) {
|
|
|
// // 接口地址
|
|
|
// String requestUrl = "http://123.56.159.203:8023/mtfmset/allWMadd";
|
|
|
// try {
|
|
|
//
|
|
|
// String url = "http://123.56.159.203:8023/nowwmrd/getSelectNowwmrdbyProjectID";
|
|
|
// Map<String, Object> datas = new HashMap<>();
|
|
|
// datas.put("ProjectID", "33-99-00-00-00-00-01");
|
|
|
// List list = new ArrayList<>();
|
|
|
//
|
|
|
// } catch (Exception e) {
|
|
|
// e.printStackTrace();
|
|
|
// }
|
|
|
// }
|
|
|
} |
...
|
...
|
|