219 lines
6.8 KiB
Plaintext
219 lines
6.8 KiB
Plaintext
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package com.securityControl.task.util.video;
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import org.apache.poi.util.IOUtils;
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import java.io.*;
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import java.net.URL;
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import java.net.URLConnection;
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import java.util.List;
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import java.util.Map;
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public class HttpHelp {
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/**
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* 向指定URL发送GET方法的请求
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*
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* @param url 发送请求的URL
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* @param param 请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
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* @return URL 所代表远程资源的响应结果
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*/
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public static String sendGet(String url, String param) {
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String result = "";
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BufferedReader in = null;
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try {
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String urlNameString = url + "?" + param;
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URL realUrl = new URL(urlNameString);
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// 打开和URL之间的连接
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URLConnection connection = realUrl.openConnection();
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// 设置通用的请求属性
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connection.setRequestProperty("accept", "*/*");
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connection.setRequestProperty("connection", "Keep-Alive");
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connection.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
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// 建立实际的连接
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connection.connect();
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// 获取所有响应头字段
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Map<String, List<String>> map = connection.getHeaderFields();
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// 遍历所有的响应头字段
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for (String key : map.keySet()) {
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System.out.println(key + "--->" + map.get(key));
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}
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// 定义 BufferedReader输入流来读取URL的响应
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in = new BufferedReader(new InputStreamReader(connection.getInputStream(), "utf-8"));
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String line;
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while ((line = in.readLine()) != null) {
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result += line;
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}
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} catch (Exception e) {
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System.out.println("发送GET请求出现异常！" + e);
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e.printStackTrace();
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}
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// 使用finally块来关闭输入流
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finally {
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try {
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if (in != null) {
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in.close();
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}
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} catch (Exception e2) {
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e2.printStackTrace();
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}
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}
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return result;
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}
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/**
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* 向指定 URL 发送POST方法的请求
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*
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* @param url 发送请求的 URL
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* @param param 请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
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* @return 所代表远程资源的响应结果
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*/
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public static String sendPost(String url, String param) {
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PrintWriter out = null;
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BufferedReader in = null;
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String result = "";
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try {
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URL realUrl = new URL(url);
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// 打开和URL之间的连接
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URLConnection conn = realUrl.openConnection();
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// 设置通用的请求属性
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conn.setRequestProperty("Charsert", "UTF-8");
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conn.setRequestProperty("Content-Type", "application/json; charset=UTF-8");//设置参数类型是json格式
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conn.setRequestProperty("accept", "*/*");
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conn.setRequestProperty("connection", "Keep-Alive");
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conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
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conn.setRequestProperty("key", "SonBianDian");
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conn.setRequestProperty("secret", "38fb95ccc3483d8f8226150e011a65eb067e856a");
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// 发送POST请求必须设置如下两行
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conn.setDoOutput(true);
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conn.setDoInput(true);
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// 获取URLConnection对象对应的输出流
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out = new PrintWriter(conn.getOutputStream());
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// 发送请求参数
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out.print(param);
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// flush输出流的缓冲
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out.flush();
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// 定义BufferedReader输入流来读取URL的响应
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in = new BufferedReader(new InputStreamReader(conn.getInputStream(), "utf-8"));
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String line;
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while ((line = in.readLine()) != null) {
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result += line;
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}
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} catch (Exception e) {
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System.out.println("发送 POST 请求出现异常！" + e);
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e.printStackTrace();
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}
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// 使用finally块来关闭输出流、输入流
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finally {
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try {
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if (out != null) {
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out.close();
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}
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if (in != null) {
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in.close();
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}
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} catch (IOException ex) {
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ex.printStackTrace();
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}
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}
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return result;
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}
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/**
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* 2 * 发送Http post请求 3 * 4 * @param xmlInfo 5 * json转化成的字符串 6 * @param URL 7 *
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* 请求url 8 * @return 返回信息 9
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*/
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public static String doHttpPost(String xmlInfo, String URL) {
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InputStream instr = null;
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ByteArrayOutputStream out = null;
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try {
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System.out.println("发起的数据:" + xmlInfo);
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byte[] xmlData = xmlInfo.getBytes("UTF-8");
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// String hexStr = ByteHelper.bytesToHexString(xmlData);
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// System.out.println(hexStr);
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URL url = new URL(URL);
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URLConnection urlCon = url.openConnection();
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urlCon.setDoOutput(true);
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urlCon.setDoInput(true);
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urlCon.setUseCaches(false);
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urlCon.setRequestProperty("accept", "application/json");
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urlCon.setRequestProperty("Content-Type", "application/json");
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urlCon.setRequestProperty("Content-length", String.valueOf(xmlData.length));
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urlCon.setRequestProperty("key", "SonBianDian");
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urlCon.setRequestProperty("secret", "38fb95ccc3483d8f8226150e011a65eb067e856a");
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System.out.println(String.valueOf(xmlData.length));
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DataOutputStream printout = new DataOutputStream(urlCon.getOutputStream());
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printout.write(xmlData);
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printout.flush();
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printout.close();
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instr = urlCon.getInputStream();
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byte[] bis = IOUtils.toByteArray(instr);
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String ResponseString = new String(bis, "UTF-8");
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if ((ResponseString == null) || ("".equals(ResponseString.trim()))) {
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System.out.println("返回空");
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}
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System.out.println("返回数据为:" + ResponseString);
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return ResponseString;
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} catch (Exception e) {
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System.out.println("发送 POST 请求出现异常！" + e);
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e.printStackTrace();
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return "0";
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} finally {
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try {
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if(out!= null){
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out.close();
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}
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if(instr!=null){
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instr.close();
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}
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} catch (Exception ex) {
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}
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}
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}
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/**
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* 2 * 发送Http post请求 3 * 4 * @param xmlInfo 5 * json转化成的字符串 6 * @param URL 7 *
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* 请求url 8 * @return 返回信息 9
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*/
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public static String doHttpPosts( String URL,String xmlInfo) {
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System.out.println("发起的数据:" + xmlInfo);
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byte[] xmlData = xmlInfo.getBytes();
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InputStream instr = null;
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ByteArrayOutputStream out = null;
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try {
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URL url = new URL(URL);
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URLConnection urlCon = url.openConnection();
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urlCon.setDoOutput(true);
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urlCon.setDoInput(true);
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urlCon.setUseCaches(false);
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urlCon.setRequestProperty("content-Type", "application/json");
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urlCon.setRequestProperty("charset", "utf-8");
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urlCon.setRequestProperty("Content-length", String.valueOf(xmlData.length));
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//System.out.println(String.valueOf(xmlData.length));
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DataOutputStream printout = new DataOutputStream(urlCon.getOutputStream());
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printout.write(xmlData);
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printout.flush();
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printout.close();
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instr = urlCon.getInputStream();
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byte[] bis = IOUtils.toByteArray(instr);
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String ResponseString = new String(bis, "UTF-8");
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if ((ResponseString == null) || ("".equals(ResponseString.trim()))) {
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System.out.println("返回空");
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}
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System.out.println("返回数据为:" + ResponseString);
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return ResponseString;
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} catch (Exception e) {
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e.printStackTrace();
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return null;
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} finally {
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try {
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if(instr!=null){
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instr.close();
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}
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} catch (Exception ex) {
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}
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}
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}
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}
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