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[Java教程]jmeter java请求

demo下载地址http://yun.baidu.com/share/link?shareid=4277735898&uk=925574576

1、引用jmeter的jar包

到jmeter的保存目录下lib这个文件夹除了自己加的jar包,全部添加到项目中,并build path

2、创建http请求类

http请求引用了这个jar包,javax.servlet-api-3.1.0.jar,项目写完的时候,要把这个jar包一起打包,这个部分可以自己实现

package com.milan.util;import javax.servlet.ServletContext;import javax.servlet.http.Cookie;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import javax.servlet.http.HttpSession;import org.apache.commons.lang.StringUtils;//import org.codehaus.jackson.map.ObjectMapper;import java.lang.reflect.Method;import java.net.HttpURLConnection;import java.net.MalformedURLException;import java.net.URL;import java.net.URLDecoder;import java.io.*;import java.util.*;/** * * HTTP 帮助类 * */public class HttpHelper{  /** URL 地址分隔符 */  public static final String URL_PATH_SEPARATOR  = "/";  /** HTTP URL 标识 */  public static final String HTTP_SCHEMA      = "http";  /** HTTPS URL 标识 */  public static final String HTTPS_SCHEMA      = "https";  /** HTTP 默认端口 */  public static final int HTTP_DEFAULT_PORT    = 80;  /** HTTPS 默认端口 */  public static final int HTTPS_DEFAULT_PORT    = 443;  /** 默认缓冲区大小 */  private static final int DEFAULT_BUFFER_SIZE  = 4096;    private static final String METHOD_GET = "GET";  private static final String METHOD_POST = "POST";  private static ServletContext servletContext;    /** 获取 {@link ServletContext} */  public static ServletContext getServletContext()  {    return servletContext;  }  private static final String defaultContentEncoding = "UTF-8";  /** 向页面输出文本内容 */  public final static void writeString(HttpURLConnection conn, String content, String charsetName) throws IOException  {    writeString(conn.getOutputStream(), content, charsetName);  }  /** 向页面输出文本内容 */  public final static void writeString(HttpServletResponse res, String content, String charsetName) throws IOException  {    writeString(res.getOutputStream(), content, charsetName);  }  /** 向页面输出文本内容 */  public final static void writeString(OutputStream os, String content, String charsetName) throws IOException  {    PrintWriter pw = new PrintWriter(new OutputStreamWriter(os, charsetName));        pw.write(content);    pw.flush();    pw.close();  }  /** 向页面输出字节内容 */  public final static void writeBytes(HttpURLConnection conn, byte[] content) throws IOException  {    writeBytes(conn.getOutputStream(), content);  }  /** 向页面输出字节内容 */  public final static void writeBytes(HttpServletResponse res, byte[] content) throws IOException  {    writeBytes(res.getOutputStream(), content);  }  /** 向页面输出字节内容 */  public final static void writeBytes(OutputStream os, byte[] content) throws IOException  {    BufferedOutputStream bos = new BufferedOutputStream(os);        bos.write(content);    bos.flush();    bos.close();  }  /** 读取页面请求的文本内容 */  public final static String readString(HttpURLConnection conn, boolean escapeReturnChar, String charsetName) throws IOException  {    return readString(conn.getInputStream(), escapeReturnChar, charsetName);  }  /** 读取页面请求的字节内容 */  public final static String readString(HttpServletRequest request, boolean escapeReturnChar, String charsetName) throws IOException  {    return readString(request.getInputStream(), escapeReturnChar, charsetName);  }  /** 读取页面请求的文本内容 */  public final static String readString(InputStream is, boolean escapeReturnChar, String charsetName) throws IOException  {    StringBuilder sb = new StringBuilder();    BufferedReader rd = new BufferedReader(new InputStreamReader(is, charsetName));        try    {      if(escapeReturnChar)      {        for(String line = null; (line = rd.readLine()) != null;)          sb.append(line);       }      else      {        int count    = 0;        char[] array  = new char[DEFAULT_BUFFER_SIZE];                while((count = rd.read(array)) != -1)          sb.append(array, 0, count);      }    }    finally    {      rd.close();    }        return sb.toString();  }    /** 读取页面请求的字节内容 */  public final static byte[] readBytes(HttpURLConnection conn) throws IOException  {    return readBytes(conn.getInputStream(), conn.getContentLength());  }  /** 读取页面请求的字节内容 */  public final static byte[] readBytes(HttpServletRequest request) throws IOException  {    return readBytes(request.getInputStream(), request.getContentLength());  }    /** 读取页面请求的字节内容 */  public final static byte[] readBytes(InputStream is) throws IOException  {    return readBytes(is, 0);  }  /** 读取页面请求的字节内容 */  public final static byte[] readBytes(InputStream is, int length) throws IOException  {    byte[] array = null;        if(length > 0)    {      array = new byte[length];          int read  = 0;      int total  = 0;            while((read = is.read(array, total, array.length - total)) != -1)        total += read;    }    else    {      List<byte[]> list  = new LinkedList<byte[]>();      byte[] buffer    = new byte[DEFAULT_BUFFER_SIZE];      int read  = 0;      int total  = 0;            for(; (read = is.read(buffer)) != -1; total += read)      {        byte[] e = new byte[read];        System.arraycopy(buffer, 0, e, 0, read);        list.add(e);      }            array = new byte[total];            int write = 0;      for(byte[] e : list)      {        System.arraycopy(e, 0, array, write, e.length);        write += e.length;      }    }        return array;  }    /** 置换常见的 */  public final static String regulate= src;    result = result.replaceAll("&", "&amp;");    result = result.replaceAll("\"", "&quot;");    result = result.replaceAll("'", "&apos;");    result = result.replaceAll("<", "&lt;");    result = result.replaceAll(">", "&gt;");        return result;  }  /** 置换常见的 HTML 特殊字符 */  public final static String regulateHtmlStr(String src)  {    String result = src;    result = result.replaceAll("&", "&amp;");    result = result.replaceAll("\"", "&quot;");    result = result.replaceAll("<", "&lt;");    result = result.replaceAll(">", "&gt;");    result = result.replaceAll("\r\n", "<br/>");    result = result.replaceAll(" ", "&nbsp;");        return result;  }    /** 确保 URL 路径的前后存在 URL 路径分隔符 */  public static final String ensurePath(String path, String defPath)  {    if(StringUtils.isEmpty(path))      path = defPath;    if(!path.startsWith(URL_PATH_SEPARATOR))      path = URL_PATH_SEPARATOR + path;    if(!path.endsWith(URL_PATH_SEPARATOR))      path = path + URL_PATH_SEPARATOR;        return path;  }    /** 获取 {@link HttpServletRequest} 的指定属性值 */  @SuppressWarnings("unchecked")  public final static <T> T getRequestAttribute(HttpServletRequest request, String name)  {    return (T)request.getAttribute(name);  }  /** 设置 {@link HttpServletRequest} 的指定属性值 */  public final static <T> void setRequestAttribute(HttpServletRequest request, String name, T value)  {    request.setAttribute(name, value);  }    /** 删除 {@link HttpServletRequest} 的指定属性值 */  public final static void removeRequestAttribute(HttpServletRequest request, String name)  {    request.removeAttribute(name);  }  /** 获取 {@link HttpSession} 的指定属性值 */  @SuppressWarnings("unchecked")  public final static <T> T getSessionAttribute(HttpSession session, String name)  {    return (T)session.getAttribute(name);  }  /** 设置 {@link HttpSession} 的指定属性值 */  public final static <T> void setSessionAttribute(HttpSession session, String name, T value)  {    session.setAttribute(name, value);  }    /** 删除 {@link HttpSession} 的指定属性值 */  public final static void removeSessionAttribute(HttpSession session, String name)  {    session.removeAttribute(name);  }    /** 销毁 {@link HttpSession} */  public final static void invalidateSession(HttpSession session)  {    session.invalidate();  }  /** 获取 {@link ServletContext} 的指定属性值 */  @SuppressWarnings("unchecked")  public final static <T> T getApplicationAttribute(String name)  {    return (T)getApplicationAttribute(servletContext, name);  }  /** 获取 {@link ServletContext} 的指定属性值 */  @SuppressWarnings("unchecked")  public final static <T> T getApplicationAttribute(ServletContext servletContext, String name)  {    return (T)servletContext.getAttribute(name);  }  /** 设置 {@link ServletContext} 的指定属性值 */  public final static <T> void setApplicationAttribute(String name, T value)  {    setApplicationAttribute(servletContext, name, value);  }  /** 设置 {@link ServletContext} 的指定属性值 */  public final static <T> void setApplicationAttribute(ServletContext servletContext, String name, T value)  {    servletContext.setAttribute(name, value);  }    /** 删除 {@link ServletContext} 的指定属性值 */  public final static void removeApplicationAttribute(String name)  {    removeApplicationAttribute(servletContext, name);  }    /** 删除 {@link ServletContext} 的指定属性值 */  public final static void removeApplicationAttribute(ServletContext servletContext, String name)  {    servletContext.removeAttribute(name);  }  /** 获取 {@link HttpServletRequest} 的指定请求参数值,并去除前后空格 */  public final static String getParam(HttpServletRequest request, String name)  {    String param = getParamNoTrim(request, name);    if(param != null) return param = param.trim();        return param;  }  /** 获取 {@link HttpServletRequest} 的指定请求参数值 */  public final static String getParamNoTrim(HttpServletRequest request, String name)  {    return request.getParameter(name);  }  /** 获取 {@link HttpServletRequest} 的参数名称集合 */  public final static List<String> getParamNames(HttpServletRequest request)  {    List<String> names    = new ArrayList<String>();    Enumeration<String> en  = request.getParameterNames();        while(en.hasMoreElements())      names.add(en.nextElement());        return names;  }  /** 获取 {@link HttpServletRequest} 的指定请求参数值集合 */  public final static List<String> getParamValues(HttpServletRequest request, String name)  {    String[] values = request.getParameterValues(name);    return values != null ? Arrays.asList(values) : null;  }    /** 获取 {@link HttpServletRequest} 的所有参数名称和值 */  public final static Map<String, String[]> getParamMap(HttpServletRequest request)  {    return request.getParameterMap();  }    /** 获取 {@link HttpSession} 对象,如果没有则进行创建。 */  public final static HttpSession getSession(HttpServletRequest request)  {    return getSession(request, true);  }  /** 获取 {@link HttpSession} 对象,如果没有则根据参数决定是否创建。 */  public final static HttpSession getSession(HttpServletRequest request, boolean create)  {    return request.getSession(create);  }  /** 创建 {@link HttpSession} 对象,如果已存在则返回原对象。 */  public final static HttpSession createSession(HttpServletRequest request)  {    return getSession(request);  }  /** 获取所有 {@link Cookie} */  public final static Cookie[] getCookies(HttpServletRequest request)  {    return request.getCookies();  }    /** 获取指定名称的 {@link Cookie} */  public final static Cookie getCookie(HttpServletRequest request, String name)  {    Cookie cookie = null;    Cookie[] cookies = request.getCookies();        if(cookies != null)    {      for(Cookie c : cookies)      {        if(c.getName().equals(name))        {          cookie = c;          break;        }      }    }        return cookie;  }  /** 获取指定名称的 {@link Cookie} 值,失败返回 null */  public final static String getCookieValue(HttpServletRequest request, String name)  {    String value = null;    Cookie cookie = getCookie(request, name);        if(cookie != null)      value = cookie.getValue();      if (value != null) {        try {          value = URLDecoder.decode(value, "UTF-8");        } catch (UnsupportedEncodingException e) {          e.printStackTrace();        }      }    return value;  }  /** 添加 {@link Cookie} */  public final static void addCookie(HttpServletResponse response, Cookie cookie)  {    response.addCookie(cookie);  }  /** 添加 {@link Cookie} */  public final static void addCookie(HttpServletResponse response, String name, String value)  {    addCookie(response, new Cookie(name, value));  }    /** 获取 URL 的 BASE 路径 */  public final static String getRequestBasePath(HttpServletRequest request)  {    String scheme    = request.getScheme();    int serverPort    = request.getServerPort();    StringBuilder sb  = new StringBuilder(scheme).append("://").append(request.getServerName());        if  (!(        (scheme.equals(HTTP_SCHEMA) && serverPort == HTTP_DEFAULT_PORT) ||        (scheme.equals(HTTPS_SCHEMA) && serverPort == HTTPS_DEFAULT_PORT)       ))        sb.append(":").append(request.getServerPort());          sb.append(request.getContextPath()).append("/");    return sb.toString();  }    /** 获取 URL 地址在文件系统的绝对路径,   *   * Servlet 2.4 以上通过 request.getServletContext().getRealPath() 获取,   * Servlet 2.4 以下通过 request.getRealPath() 获取。   *    */  @SuppressWarnings("deprecation")  public final static String getRequestRealPath(HttpServletRequest request, String path)  {    if(servletContext != null)      return servletContext.getRealPath(path);    else    {      try      {        Method m = request.getClass().getMethod("getServletContext");        ServletContext sc = (ServletContext)m.invoke(request);        return sc.getRealPath(path);      }      catch(Exception e)      {        return request.getRealPath(path);      }    }  }    /** 获取发送请求的客户端浏览器所在的操作系统平台 */  public final static String getRequestUserAgentPlatform(HttpServletRequest request)  {    int index    = 1;    String platform  = null;    String agent  = request.getHeader("user-agent");        if(StringUtils.isNotEmpty(agent))    {      int i        = 0;      StringTokenizer st  = new StringTokenizer(agent, ";");            while(st.hasMoreTokens())      {        String token = st.nextToken();                if(i == 0)        {          if(token.toLowerCase().indexOf("compatible") != -1)            index = 2;        }        else if(i == index)        {          int sep = token.indexOf(")");                    if(sep != -1)            token = token.substring(0, sep);                    platform = StringUtils.trimToEmpty(token);                    break;        }                ++i;      }    }    return platform;  }    /** 设置 HTTP 的 'Content-Type' 响应头 */  public final static void setContentType(HttpServletResponse response, String contentType, String encoding)  {    StringBuilder sb = new StringBuilder(contentType);            if(encoding != null)      sb.append(";charset=").append(encoding);        response.setContentType(sb.toString());  }    /** 禁止浏览器缓存当前页面 */  public final static void setNoCacheHeader(HttpServletResponse response)  {    response.setHeader("Pragma", "No-cache");    response.setHeader("Cache-Control", "no-cache");    response.setDateHeader("Expires", 0);  }    /** 检查请求是否来自非 Windows 系统的浏览器 */  public final static boolean isRequestNotComeFromWidnows(HttpServletRequest request)  {    String agent = request.getHeader("user-agent");        if(StringUtils.isNotEmpty(agent))      return agent.toLowerCase().indexOf("windows") == -1;        return false;  }  /**   * 发送GET请求   * @param url   * @return   * @throws IOException   */  public final static HttpRespons sendGet(String url) throws IOException{    return send(url,METHOD_GET,new HashMap(),null);  }  public final static HttpRespons sendGet(String url, Map<String,String> params) throws IOException{    return send(url,METHOD_GET,params,null);  }  public final static HttpRespons sendGet(String url, Map<String,String> params,Map<String,String> properties) throws IOException{    return send(url,METHOD_GET,params,properties);  }  public final static HttpRespons sendPost(String url) throws IOException{    return send(url,METHOD_POST,new HashMap(),null);  }  public final static HttpRespons sendPost(String url,Map<String,String> params) throws IOException{    return send(url,METHOD_POST,params,null);  }  public final static HttpRespons sendPost(String url, Map<String,String> params,Map<String,String> properties) throws IOException{    return send(url,METHOD_POST,params,properties);  }  /**   * 发送POST请求   * @param urlStr 请求地址   * @param send  发送数据包   * @return   * @throws IOException   */  public final static HttpRespons sendPost(String urlStr,String send,Map<String,String> headers) throws IOException{    return send(urlStr,METHOD_POST,send,headers);  }  public final static HttpRespons send(String urlStr,String method,String send,Map<String, String> headers) throws IOException{    HttpURLConnection conn = null;    URL url = new URL(urlStr);    conn = (HttpURLConnection) url.openConnection();    conn.setRequestMethod(method);    conn.setDoOutput(true);     conn.setDoInput(true);     conn.setUseCaches(false);    if(headers != null){      for (String key : headers.keySet()) {        conn.addRequestProperty(key, headers.get(key));      }    }    conn.getOutputStream().write(send.getBytes());    conn.getOutputStream().flush();    conn.getOutputStream().close();    return makeRespons(urlStr,conn);  }  private final static HttpRespons send(String urlStr,String method,Map<String, String> params, Map<String, String> propertys)       throws IOException{    HttpURLConnection conn = null;    if(METHOD_GET.equals(method) && params !=null && !params.isEmpty()){      StringBuffer param = new StringBuffer();       int i = 0;       for (String key : params.keySet()) {         if (i == 0)           param.append("?");         else           param.append("&");         param.append(key).append("=").append(params.get(key));        i++;       }       urlStr += param;     }    URL url = new URL(urlStr);    conn = (HttpURLConnection) url.openConnection();    conn.setRequestMethod(method);    conn.setDoOutput(true);     conn.setDoInput(true);     conn.setUseCaches(false);    if(propertys != null && !propertys.isEmpty()){      for (String key : propertys.keySet()) {        conn.addRequestProperty(key, propertys.get(key));      }    }    if(METHOD_POST.equals(method) && params != null){      StringBuffer param = new StringBuffer();      for (String key : params.keySet()) {         param.append("&");         param.append(key).append("=").append(params.get(key));      }       conn.getOutputStream().write(param.toString().getBytes());      conn.getOutputStream().flush();      conn.getOutputStream().close();    }    return makeRespons(urlStr,conn);  }  private final static HttpRespons makeRespons(String urlString,HttpURLConnection urlConnection)throws IOException{    HttpRespons httpResponser = new HttpRespons();     try {       InputStream in = urlConnection.getInputStream();       BufferedReader bufferedReader = new BufferedReader(           new InputStreamReader(in,"utf-8"));       httpResponser.contentCollection = new Vector<String>();       StringBuffer temp = new StringBuffer();       String line = bufferedReader.readLine();      while (line != null) {         httpResponser.contentCollection.add(line);         temp.append(line).append("\r\n");         line = bufferedReader.readLine();       }       bufferedReader.close();         String ecod = urlConnection.getContentEncoding();             if (ecod == null){         ecod = defaultContentEncoding;       }            httpResponser.urlString = urlString;         httpResponser.defaultPort = urlConnection.getURL().getDefaultPort();       httpResponser.file = urlConnection.getURL().getFile();       httpResponser.host = urlConnection.getURL().getHost();       httpResponser.path = urlConnection.getURL().getPath();       httpResponser.port = urlConnection.getURL().getPort();       httpResponser.protocol = urlConnection.getURL().getProtocol();       httpResponser.query = urlConnection.getURL().getQuery();       httpResponser.ref = urlConnection.getURL().getRef();       httpResponser.userInfo = urlConnection.getURL().getUserInfo();         httpResponser.content = new String(temp.toString().getBytes(), "utf-8");       httpResponser.contentEncoding = ecod;       httpResponser.code = urlConnection.getResponseCode();       httpResponser.message = urlConnection.getResponseMessage();       httpResponser.contentType = urlConnection.getContentType();       httpResponser.method = urlConnection.getRequestMethod();       httpResponser.connectTimeout = urlConnection.getConnectTimeout();       httpResponser.readTimeout = urlConnection.getReadTimeout();            return httpResponser;     } catch (IOException e) {       throw e;     } finally {       if (urlConnection != null)         urlConnection.disconnect();     }   }  /**   * 将请求中的json内容转为Map   * @param request   * @return   * @throws IOException   *///  public static Map parseRequestJson(HttpServletRequest request) throws IOException{//    //    String str = readString(request, true, request.getCharacterEncoding());//    ObjectMapper mapper = new ObjectMapper();//    return mapper.readValue(str,HashMap.class);//  }}

View Code
package com.milan.util;import java.util.Vector;/** * 响应对象 * */public class HttpRespons {  String urlString;      int defaultPort;    String file;     String host;     String path;     int port;     String protocol;     String query;     String ref;     String userInfo;     String contentEncoding;     String content;     String contentType;     int code;     String message;     String method;     int connectTimeout;     int readTimeout;     Vector<String> contentCollection;  public String getUrlString() {    return urlString;  }  public void setUrlString(String urlString) {    this.urlString = urlString;  }  public int getDefaultPort() {    return defaultPort;  }  public void setDefaultPort(int defaultPort) {    this.defaultPort = defaultPort;  }  public String getFile() {    return file;  }  public void setFile(String file) {    this.file = file;  }  public String getHost() {    return host;  }  public void setHost(String host) {    this.host = host;  }  public String getPath() {    return path;  }  public void setPath(String path) {    this.path = path;  }  public int getPort() {    return port;  }  public void setPort(int port) {    this.port = port;  }  public String getProtocol() {    return protocol;  }  public void setProtocol(String protocol) {    this.protocol = protocol;  }  public String getQuery() {    return query;  }  public void setQuery(String query) {    this.query = query;  }  public String getRef() {    return ref;  }  public void setRef(String ref) {    this.ref = ref;  }  public String getUserInfo() {    return userInfo;  }  public void setUserInfo(String userInfo) {    this.userInfo = userInfo;  }  public String getContentEncoding() {    return contentEncoding;  }  public void setContentEncoding(String contentEncoding) {    this.contentEncoding = contentEncoding;  }  public String getContent() {    return content;  }  public void setContent(String content) {    this.content = content;  }  public String getContentType() {    return contentType;  }  public void setContentType(String contentType) {    this.contentType = contentType;  }  public int getCode() {    return code;  }  public void setCode(int code) {    this.code = code;  }  public String getMessage() {    return message;  }  public void setMessage(String message) {    this.message = message;  }  public String getMethod() {    return method;  }  public void setMethod(String method) {    this.method = method;  }  public int getConnectTimeout() {    return connectTimeout;  }  public void setConnectTimeout(int connectTimeout) {    this.connectTimeout = connectTimeout;  }  public int getReadTimeout() {    return readTimeout;  }  public void setReadTimeout(int readTimeout) {    this.readTimeout = readTimeout;  }  public Vector<String> getContentCollection() {    return contentCollection;  }  public void setContentCollection(Vector<String> contentCollection) {    this.contentCollection = contentCollection;  }   }

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3、创建 java请求类

java请求类需要继承AbstractJavaSamplerClient类和实现Serializable接口。

package com.milan.test;import java.io.IOException;import java.io.Serializable;import java.util.HashMap;import java.util.Map;import org.apache.jmeter.config.Arguments;import org.apache.jmeter.protocol.java.sampler.AbstractJavaSamplerClient;import org.apache.jmeter.protocol.java.sampler.JavaSamplerContext;import org.apache.jmeter.samplers.SampleResult;import com.milan.util.HttpHelper;public class JavaRequestTest extends AbstractJavaSamplerClient implements    Serializable {  // 设置默认值  public Arguments getDefaultParameters() {    Arguments params = new Arguments();    params.addArgument("url", "http://www.baidu.com");    params.addArgument("kw", "你好");    return params;  }  public SampleResult runTest(JavaSamplerContext arg0) {    SampleResult sr = new SampleResult();    sr.setSampleLabel("java请求测试-MiLan");    sr.sampleStart();//    // http请求    String strReturn = "";    try {      strReturn = Send(arg0);    } catch (IOException e) {      // TODO Auto-generated catch block      e.printStackTrace();    }    // 设置返回值    sr.setResponseData(strReturn, null);    sr.setDataType(SampleResult.TEXT);    System.out.println(strReturn);    sr.setSuccessful(true);    sr.sampleEnd();    return sr;  }  // http请求  private String Send(JavaSamplerContext arg0) throws IOException {    String url = arg0.getParameter("url", "http://www.baidu.com");    String kw = arg0.getParameter("kw", "MiLan");    Map<String, String> map = new HashMap<String, String>();    map.put("kw", kw);    return HttpHelper.sendGet(url, map).getContent();  }}

4、生成jar包

生成jar包的时候,不能选择jmeter的jar包。只能选择自己有用到的jar包。刚才用到了javax.servlet-api-3.1.0.jar,所以要把这个jar包一起打包。

需要用fatjar打包,不然可能找不到引用jar包的类。不知道怎么用fatjar打包的,可以参考http://www.cnblogs.com/milanmi/p/4651904.html

生成jar包后,把jar包拷贝到jmeter的lib/ext目录

5、运行jmeter

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