package com.matrix.component.tools;
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import org.apache.commons.httpclient.HttpClient;
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import org.apache.commons.httpclient.HttpException;
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import org.apache.commons.httpclient.methods.GetMethod;
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import org.apache.commons.httpclient.methods.PostMethod;
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import org.apache.commons.httpclient.methods.RequestEntity;
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import org.apache.commons.httpclient.methods.StringRequestEntity;
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import java.io.BufferedReader;
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import java.io.IOException;
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import java.io.InputStreamReader;
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import java.io.OutputStreamWriter;
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import java.net.HttpURLConnection;
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import java.net.URL;
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import java.util.Map;
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public class HttpCurlUtil {
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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 data 请求参数，请求参数应该是json格式。
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*/
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public static String sendPostHttp(String url, String data) throws HttpException, IOException {
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HttpClient httpClient = new HttpClient();
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PostMethod post = new PostMethod(url);
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post.setRequestHeader("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8");
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post.setRequestHeader("User-Agent", "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.106 Safari/537.36");
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post.setRequestHeader("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8");
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post.setRequestHeader("Connection", "keep-alive");
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RequestEntity entity = new StringRequestEntity(data, "text/html", "utf-8");
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post.setRequestEntity(entity);
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httpClient.executeMethod(post);
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return post.getResponseBodyAsString();
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}
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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 data 请求参数，请求参数应该是json格式。
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*/
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public static String sendGetHttp(String url, Map<String, String> params) throws HttpException, IOException {
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if (params != null) {
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StringBuffer param = new StringBuffer();
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int i = 0;
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for (String key : params.keySet()) {
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if (i == 0)
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param.append("?");
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else
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param.append("&");
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param.append(key).append("=").append((String) params.get(key));
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i++;
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}
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url = url + param;
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}
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HttpClient httpClient = new HttpClient();
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GetMethod method = new GetMethod(url);
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method.setRequestHeader("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8");
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method.setRequestHeader("User-Agent", "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.106 Safari/537.36");
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method.setRequestHeader("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8");
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method.setRequestHeader("Connection", "keep-alive");
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httpClient.executeMethod(method);
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return method.getResponseBodyAsString();
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}
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/**
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* 向指定URL发送POST请求
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* @param url 请求路径
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* @param params 请求参数
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* @return
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*/
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public static String sendPost(String url, Map<String, String> params) {
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OutputStreamWriter out = null;
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BufferedReader in = null;
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StringBuilder result = new StringBuilder();
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try {
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URL realUrl = new URL(url);
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HttpURLConnection conn = (HttpURLConnection) realUrl.openConnection();
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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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// POST方法
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conn.setRequestMethod("POST");
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// 设置通用的请求属性
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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("Content-Type", "application/x-www-form-urlencoded");
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conn.connect();
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// 获取URLConnection对象对应的输出流
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out = new OutputStreamWriter(conn.getOutputStream(), "UTF-8");
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// 发送请求参数
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if (params != null) {
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StringBuilder param = new StringBuilder();
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for (Map.Entry<String, String> entry : params.entrySet()) {
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if (param.length() > 0) {
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param.append("&");
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}
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param.append(entry.getKey());
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param.append("=");
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param.append(entry.getValue());
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}
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out.write(param.toString());
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}
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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.append(line);
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}
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} catch (Exception 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.toString();
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}
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}
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