本文实例为大家分享了java http token的具体代码，供大家参考，具体内容如下
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package com.monitoring.common.util; import java.io.bufferedinputstream;import java.io.bufferedreader;import java.io.bytearrayoutputstream;import java.io.ioexception;import java.io.inputstream;import java.io.inputstreamreader;import java.io.outputstream;import java.net.httpurlconnection;import java.net.url;import java.net.urlencoder;import java.util.hashmap;import java.util.iterator;import java.util.list;import java.util.map;import java.util.set;import java.util.regex.matcher;import java.util.regex.pattern; import org.apache.commons.httpclient.httpclient;import org.apache.commons.httpclient.multithreadedhttpconnectionmanager;import org.apache.commons.httpclient.namevaluepair;import org.apache.commons.httpclient.methods.getmethod;import org.apache.commons.httpclient.methods.postmethod;import org.apache.commons.lang.stringutils;import org.apache.log4j.logger;import org.codehaus.jackson.jsonparseexception;import org.codehaus.jackson.map.jsonmappingexception; /** * 和http相关的操作 * * @author * */public class httputils { private static final logger logger = logger.getlogger(httputils.class); private final static multithreadedhttpconnectionmanager manager = new multithreadedhttpconnectionmanager(); // 支持重复连接 private static httpclient client = new httpclient(manager); /** * * @title: dopost * @description: post请求 * @param requrl * @param parameters * @return string */ public static string dopost(string requrl, map<string, string> parameters, string token) { httpurlconnection urlconn = null; try { urlconn = _sendpost(requrl, parameters, token); string responsecontent = _getcontent(urlconn); return responsecontent.trim(); } finally { if (urlconn != null) { urlconn.disconnect(); } } } /** * * @title: douploadfile * @description: 从网络上下载文件 * @param requrl * @param parameters * @param fileparamname * @param filename * @param contenttype * @param data * @return string */ public static string douploadfile(string requrl, map<string, string> parameters, string fileparamname, string filename, string contenttype, byte[] data) { httpurlconnection urlconn = null; try { urlconn = _sendformdata(requrl, parameters, fileparamname, filename, contenttype, data); string responsecontent = new string(_getbytes(urlconn)); return responsecontent.trim(); } catch (exception e) { throw new runtimeexception(e.getmessage(), e); } finally { if (urlconn != null) { urlconn.disconnect(); } } } private static httpurlconnection _sendformdata(string requrl, map<string, string> parameters, string fileparamname, string filename, string contenttype, byte[] data) { httpurlconnection urlconn = null; try { url url = new url(requrl); urlconn = (httpurlconnection) url.openconnection(); urlconn.setrequestmethod("post"); urlconn.setconnecttimeout(5000);// （单位：毫秒）jdk urlconn.setreadtimeout(5000);// （单位：毫秒）jdk 1.5换成这个,读操作超时 urlconn.setdooutput(true); urlconn.setrequestproperty("connection", "keep-alive"); string boundary = "-----------------------------114975832116442893661388290519"; // 分隔符 urlconn.setrequestproperty("content-type", "multipart/form-data; boundary=" + boundary); boundary = "--" + boundary; stringbuffer params = new stringbuffer(); if (parameters != null) { for (iterator<string> iter = parameters.keyset().iterator(); iter.hasnext();) { string name = iter.next(); string value = parameters.get(name); params.append(boundary + "\r\n"); params.append("content-disposition: form-data; name=\"" + name + "\"\r\n\r\n"); // params.append(urlencoder.encode(value, "utf-8")); params.append(value); params.append("\r\n"); } } stringbuilder sb = new stringbuilder(); // sb.append("\r\n"); sb.append(boundary); sb.append("\r\n"); sb.append("content-disposition: form-data; name=\"" + fileparamname + "\"; filename=\"" + filename + "\"\r\n"); sb.append("content-type: " + contenttype + "\r\n\r\n"); byte[] filediv = sb.tostring().getbytes(); byte[] enddata = ("\r\n" + boundary + "--\r\n").getbytes(); byte[] ps = params.tostring().getbytes(); outputstream os = urlconn.getoutputstream(); os.write(ps); os.write(filediv); os.write(data); os.write(enddata); os.flush(); os.close(); } catch (exception e) { throw new runtimeexception(e.getmessage(), e); } return urlconn; } private static string _getcontent(httpurlconnection urlconn) { try { string responsecontent = null; inputstream in = urlconn.getinputstream(); bufferedreader rd = new bufferedreader(new inputstreamreader(in, "utf-8")); string templine = rd.readline(); stringbuffer tempstr = new stringbuffer(); string crlf = system.getproperty("line.separator"); while (templine != null) { tempstr.append(templine); tempstr.append(crlf); templine = rd.readline(); } responsecontent = tempstr.tostring(); rd.close(); in.close(); return responsecontent; } catch (exception e) { throw new runtimeexception(e.getmessage(), e); } } private static byte[] _getbytes(httpurlconnection urlconn) { try { inputstream in = urlconn.getinputstream(); bytearrayoutputstream os = new bytearrayoutputstream(); byte[] buf = new byte[1024]; for (int i = 0; (i = in.read(buf)) > 0;) os.write(buf, 0, i); in.close(); return os.tobytearray(); } catch (exception e) { throw new runtimeexception(e.getmessage(), e); } } private static httpurlconnection _sendpost(string requrl, map<string, string> parameters, string token) { httpurlconnection urlconn = null; try { stringbuffer params = new stringbuffer(); if (parameters != null) { for (iterator<string> iter = parameters.keyset().iterator(); iter.hasnext();) { string name = iter.next(); string value = parameters.get(name); params.append(name + "="); params.append(urlencoder.encode(value, "utf-8")); if (iter.hasnext()) params.append("&"); } } url url = new url(requrl); urlconn = (httpurlconnection) url.openconnection(); if(stringutils.isnotblank(token)) { urlconn.addrequestproperty("token", token); } urlconn.setrequestmethod("post"); urlconn.setconnecttimeout(5000);// （单位：毫秒）jdk urlconn.setreadtimeout(5000);// （单位：毫秒）jdk 1.5换成这个,读操作超时 urlconn.setdooutput(true); byte[] b = params.tostring().getbytes(); urlconn.getoutputstream().write(b, 0, b.length); urlconn.getoutputstream().flush(); urlconn.getoutputstream().close(); } catch (exception e) { throw new runtimeexception(e.getmessage(), e); } return urlconn; } /** * 发送get请求 * * @param link * @param charset * @return */ public static string doget(string link, string charset, string token) { httpurlconnection conn = null; try { url url = new url(link); conn = (httpurlconnection) url.openconnection(); conn.setrequestmethod("get"); conn.setrequestproperty("user-agent", "mozilla/5.0"); if(stringutils.isnotempty(token)) { conn.addrequestproperty("token", token); } bufferedinputstream in = new bufferedinputstream(conn.getinputstream()); bytearrayoutputstream out = new bytearrayoutputstream(); byte[] buf = new byte[1024]; for (int i = 0; (i = in.read(buf)) > 0;) { out.write(buf, 0, i); } out.flush(); out.close(); string s = new string(out.tobytearray(), charset); return s; } catch (exception e) { throw new runtimeexception(e.getmessage(), e); } finally { if (conn != null) { conn.disconnect(); } } } /** * utf-8编码 * * @param link * @return */ public static string doget(string link, string token) { return doget(link, "utf-8", token); } /** * * @title: getintresponse * @description: 发送get请求 * @param link * @return int */ public static int getintresponse(string link, string token) { string str = doget(link, token); return integer.parseint(str.trim()); } public static long ip2long(string strip) { long[] ip = new long[4]; // 先找到ip地址字符串中.的位置 int position1 = strip.indexof("."); int position2 = strip.indexof(".", position1 + 1); int position3 = strip.indexof(".", position2 + 1); // 将每个.之间的字符串转换成整型 ip[0] = long.parselong(strip.substring(0, position1)); ip[1] = long.parselong(strip.substring(position1 + 1, position2)); ip[2] = long.parselong(strip.substring(position2 + 1, position3)); ip[3] = long.parselong(strip.substring(position3 + 1)); return (ip[0] << 24) + (ip[1] << 16) + (ip[2] << 8) + ip[3]; } // 将10进制整数形式转换成127.0.0.1形式的ip地址 public static string long2ip(long longip) { stringbuffer sb = new stringbuffer(""); // 直接右移24位 sb.append(string.valueof(longip >>> 24)); sb.append("."); // 将高8位置0，然后右移16位 sb.append(string.valueof((longip & 0x00ffffff) >>> 16)); sb.append("."); sb.append(string.valueof((longip & 0x0000ffff) >>> 8)); sb.append("."); sb.append(string.valueof(longip & 0x000000ff)); return sb.tostring(); } /** * * urlparse:url解析. <br/> * * @author majun * @param arrlist * @param url * @return * @since jdk 1.6 */ public static map<string, string> urlparse(list<string> arrlist, string url) { map<string, string> vaulesmap = new hashmap<string, string>(); for (string s : arrlist) { pattern pattern = pattern.compile(s + "=([^&]*)(&|$)"); matcher matcher = pattern.matcher(url); if (matcher.find()) { string[] arr = matcher.group(1).split("'"); vaulesmap.put(s, arr[1]); } } return vaulesmap; } /*** * * http_dopost: httpclient发送post 请求. <br/> * * @author majun * @version 创建时间：2016年6月22日 下午6:15:59 * @since jdk 1.6 */ public static string http_dopost(string requrl, map<string, string> parameters, string usertoken) { try { // multithreadedhttpconnectionmanager manager = new multithreadedhttpconnectionmanager(); // 支持重复连接 // httpclient client = new httpclient(manager); postmethod post = new postmethod(requrl); post.setrequestheader("connection", "keep-alive"); post.setrequestheader("content-type", "application/x-www-form-urlencoded"); namevaluepair[] params = new namevaluepair[parameters.size()]; set<string> keys = parameters.keyset(); int index = 0; for (string key : keys) { params[index] = new namevaluepair(key, parameters.get(key)); index++; } post.setquerystring(params); if (stringutils.isnotblank(usertoken)) { post.setrequestheader("usertoken", usertoken); } integer status = client.executemethod(post); logger.info("loginstatus:" + status); string body = post.getresponsebodyasstring(); return body; } catch (jsonparseexception e) { e.printstacktrace(); } catch (jsonmappingexception e) { e.printstacktrace(); } catch (ioexception e) { e.printstacktrace(); } return null; } /*** * * http_doget: httpclient发送get请求. <br/> * * @author majun * @version 创建时间：2016年6月22日 下午6:25:10 * @since jdk 1.6 */ public static string http_doget(string requrl, map<string, string> parameters, string usertoken) { try { // multithreadedhttpconnectionmanager manager = new multithreadedhttpconnectionmanager(); // 支持重复连接 // httpclient client = new httpclient(manager); getmethod get = new getmethod(requrl); namevaluepair[] params = new namevaluepair[parameters.size()]; set<string> keys = parameters.keyset(); int index = 0; for (string key : keys) { params[index] = new namevaluepair(key, parameters.get(key)); index++; } get.setquerystring(params); if (stringutils.isnotblank(usertoken)) { get.setrequestheader("usertoken", usertoken); } integer status = client.executemethod(get); logger.info("http_doget==>status:" + status); string body = get.getresponsebodyasstring(); return body; } catch (exception e) { e.printstacktrace(); } return null; }} |
以上所述是小编给大家介绍的java http token请求详解整合，希望对大家有所帮助，如果大家有任何疑问请给我留言，小编会及时回复大家的。在此也非常感谢大家对服务器之家网站的支持！
原文链接：https://blog.csdn.net/qq_33212500/article/details/79229897
