src/main/java/com/sulei/util/httpClient/HttpUtil.java

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package com.sulei.util.httpClient;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.NameValuePair;
import org.apache.commons.httpclient.methods.GetMethod;
import org.apache.commons.httpclient.methods.PostMethod;
import org.apache.commons.httpclient.methods.RequestEntity;
import org.apache.commons.httpclient.methods.StringRequestEntity;
import org.apache.commons.httpclient.methods.multipart.FilePart;
import org.apache.commons.httpclient.methods.multipart.MultipartRequestEntity;
import org.apache.commons.httpclient.methods.multipart.Part;
import org.apache.commons.httpclient.params.HttpMethodParams;

import java.io.BufferedReader;
import java.io.File;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;

public class HttpUtil {

	public static void requestHttp(String url, Map<String, String> params) {

		try {
			HttpClient httpclient =  new HttpClient();
			httpclient.getParams().setParameter(HttpMethodParams.HTTP_CONTENT_CHARSET, "utf-8");
			PostMethod method = new PostMethod(url);
			NameValuePair[] paramArr = new NameValuePair[params.size()];
			int index = 0;
			for (String key : params.keySet()) {
				NameValuePair param = new NameValuePair(key, params.get(key));
				paramArr[index] = param;
				index++;
			}
			method.setRequestBody(paramArr);
			httpclient.executeMethod(method);

		} catch (Exception e) {
			e.printStackTrace();
		}

	}

	public static Map<String, Object> postRequestReturn(String url, Map<String, String> params) {

		Map<String, Object> resultMap = new HashMap<String, Object>();
		try {
			HttpClient httpclient =  new HttpClient();
			httpclient.getParams().setParameter(HttpMethodParams.HTTP_CONTENT_CHARSET, "utf-8");
			PostMethod method = new PostMethod(url);

			NameValuePair[] paramArr = new NameValuePair[params.size()];
			int index = 0;
			for (String key : params.keySet()) {
				NameValuePair param = new NameValuePair(key, params.get(key));
				paramArr[index] = param;