WebService方法进行接口连接
发布时间:2020-12-16 21:37:47 所属栏目:安全 来源:网络整理
导读:package com.transsion.util; 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 com.alibaba.druid.util.Base64;
package com.transsion.util; 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 com.alibaba.druid.util.Base64; import com.transsion.common.BaseData; public class HttpRequest { /** * 向指定URL发送GET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 URL 所代表远程资源的响应结果 */ public static String sendGet(String url,String param) { String result = ""; BufferedReader in = null; try { String urlNameString = url + (url.indexOf("?")>-1?"&":"?") + (param == null?"":param); URL realUrl = new URL(urlNameString); URLConnection connection = setAttr(realUrl,null); // 建立实际的连接 connection.connect(); // 定义 BufferedReader输入流来读取URL的响应 in = new BufferedReader(new InputStreamReader( connection.getInputStream())); 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(); } } return result; } /** * 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 sendPost(String url,String param) { return sendPostWithAuth(url,param,null); } /** * @param count 发送请求次数,如为2,则当第一次发送失败后,会再次发送一次请求 */ public static String sendPostWithAuth(String url,String param,String userPass,int count){ String data = null; while(count > 0){ count--; data = sendPostWithAuth(url,userPass); if (StringUtil.isNotBlank(data)) { break; } } return data; } /** * userPass格式为: 账号:密码,无需加密 */ public static String sendPostWithAuth(String url,String userPass){ 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 = setAttr(realUrl,userPass); // 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())); 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; } private static URLConnection setAttr(URL realUrl,String userPass) throws IOException { 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)"); if (userPass != null) { conn.setRequestProperty("Authorization","Basic " + Base64.byteArrayToBase64(userPass.getBytes())); } return conn; } public static void main(String[] args) { String userpass = "ZPID_OA:Trans123"; System.out.println(sendPostWithAuth("http://sappid01.transsion.com:50000/RESTAdapter/OA/GetDepartment","{"IV_OBJID":"","IV_KEYDAY":"","IV_FLAG":"A","TT_DEPT":""}",userpass)); } } (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |