网站什么时候备案,指数运算法则,微商城怎么弄,php商务网站开发客服端以post请求输入xml的输入流#xff0c;来到服务器端#xff0c;服务器端接到输入流#xff0c;进行处理#xff0c;处理完毕后#xff0c;返回xml信息的返回输出流#xff0c;来告诉对方成功与否。 htppClient的使用至少需要commons-httpclient-3.1.jar#xff0c… 客服端以post请求输入xml的输入流来到服务器端服务器端接到输入流进行处理处理完毕后返回xml信息的返回输出流来告诉对方成功与否。 htppClient的使用至少需要commons-httpclient-3.1.jarcommons-logging-1.0.4.jarcommons-codec-1.3.jar三个Apache开源项目jar包的支持。jar的版本可以不同我用的是如上三个。 模拟客户端代码 package httpClientDemo;import java.io.File; import org.apache.commons.httpclient.HttpClient;import org.apache.commons.httpclient.NameValuePair;import org.apache.commons.httpclient.methods.FileRequestEntity;import org.apache.commons.httpclient.methods.PostMethod;import org.apache.commons.httpclient.methods.RequestEntity; public class HttpClientTest { private static final String LOGON_SITE localhost ; private static final int LOGON_PORT 8080; SuppressWarnings(deprecation) public static void main(String[] args) throws Exception { File input new File(d:\\test.xml); PostMethod post new PostMethod(/Mytest/servlet/abc.do); NameValuePair name new NameValuePair( name , zhangjinping ); NameValuePair pass new NameValuePair( password , 123456 ); post.setRequestBody( new NameValuePair[]{name,pass}); HttpClient client new HttpClient(); client.getHostConfiguration().setHost(LOGON_SITE, LOGON_PORT); RequestEntity entity new FileRequestEntity(input, text/xml; charsetutf-8); // post.setRequestHeader( Content-type , text/xml; charsetutf-8 ); post.setRequestEntity(entity); try { int result client.executeMethod(post); System.out.println(Response status code: result); System.out.println(Response body: ); System.out.println(post.getResponseBodyAsString()); } finally { post.releaseConnection(); } /* // 设置请求的内容直接从文件中读取 post.setRequestBody( new FileInputStream(input)); if (input.length() Integer.MAX_VALUE) post.setRequestContentLength(input.length()); else post.setRequestContentLength(EntityEnclosingMethod.CONTENT_LENGTH_CHUNKED); // 指定请求内容的类型 int result client.executeMethod(post); System.out.println( Response status code: result); System.out.println( Response body: ); System.out.println(post.getRequestCharSet()); System.out.println(post.getResponseBodyAsString()); post.releaseConnection(); } */ } } 服务器端代码 package web; import java.io.BufferedReader;import java.io.FileReader;import java.io.IOException;import java.io.InputStream;import java.io.InputStreamReader;import java.io.PrintWriter;import java.util.List; import javax.servlet.ServletException;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse; import pojo.Student;import bo.CreateBD; import common.CreateXMLUtil; public class AjaxTestServlet extends HttpServlet { /** * Constructor of the object. */ public AjaxTestServlet() { super(); } /** * Destruction of the servlet. br */ public void destroy() { super.destroy(); // Just puts destroy string in log // Put your code here } /** * The doGet method of the servlet. br * * This method is called when a form has its tag value method equals to get. * * param request the request send by the client to the server * param response the response send by the server to the client * throws ServletException if an error occurred * throws IOException if an error occurred */ public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doPost(request, response); } /** * The doPost method of the servlet. br * * This method is called when a form has its tag value method equals to post. * * param request the request send by the client to the server * param response the response send by the server to the client * throws ServletException if an error occurred * throws IOException if an error occurred */ public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { System.out.println(.); String str request.getParameter(testPost); String name request.getParameter(name); String password request.getParameter(password); System.out.println(name password); SuppressWarnings(unused) StringBuffer sb new StringBuffer(); InputStream is request.getInputStream(); InputStreamReader isr new InputStreamReader(is); BufferedReader br new BufferedReader(isr); while(true){ str br.readLine(); if(str!null) sb.append(str); if(strnull) break; } System.out.println(sb.toString()); response.setContentType(application/xml); //application/xml代表的是XML形式返回 response.setHeader(Cache-Control, no-cache); //设置不缓存 ListStudent students CreateBD.getData(); //组织返回数据 String xmlCreateXMLUtil.getClassXML(students, students); PrintWriter pwnull; try { //获取页面写入器 pwresponse.getWriter(); } catch (IOException e) { e.printStackTrace(); } pw.write(xml); pw.flush(); pw.close(); } /** * Initialization of the servlet. br * * throws ServletException if an error occurs */ public void init() throws ServletException { // Put your code here } } Apache官方httpClient 详解 http://hc.apache.org/httpclient-3.x/ Apache官方httpClient使用xmlPOST的举例代码http://svn.apache.org/viewvc/httpcomponents/oac.hc3x/trunk/src/examples/转载于:https://www.cnblogs.com/alaricblog/p/3278275.html
