package com.hx.util;
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import org.apache.commons.io.IOUtils;
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import java.io.OutputStream;
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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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/**
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* http 工具类
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*/
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public class HttpMethodUtil {
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/** 请求http协议 获取信息工具
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* @param url 请求链接
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* @param data 请求数据(body)
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* @param keyValues form表单数据 key参数名称，value参数值
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* @param header 请求头
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* @param requestMethod 请求头方法，默认POST
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* @return
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*/
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public static String HttpURLUtilJson(String url, String data,Map<String,Object> keyValues,Map<String,String> header,String requestMethod) {
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HttpURLConnection con = null;
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URL u = null;
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String wxMsgXml = null;
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try {
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StringBuilder dataP = new StringBuilder();
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if (keyValues != null && !keyValues.isEmpty()) {
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for (Map.Entry<String, Object> entry : keyValues.entrySet()) {
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dataP.append((String)entry.getKey()).append("=");
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dataP.append(entry.getValue());
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dataP.append("&");
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}
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System.out.println("dataP:"+dataP.toString());
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dataP.deleteCharAt(dataP.length() - 1);
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url = url+"?"+dataP;
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}
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if(StringUtils.isEmpty(requestMethod)){
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requestMethod = "POST";
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}
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u = new URL(url);
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con = (HttpURLConnection) u.openConnection();
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con.setRequestMethod(requestMethod);
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con.setDoOutput(true);
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con.setDoInput(true);
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con.setUseCaches(false);
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con.setReadTimeout(300000);
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con.setRequestProperty("Charset", "UTF-8");
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con.setRequestProperty("Content-Type", "application/json");
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if(header != null){
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for (Map.Entry<String, String> entry : header.entrySet()) {
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con.setRequestProperty(entry.getKey(),entry.getValue());
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}
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}
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if (data != null) {
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OutputStream os = con.getOutputStream();
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os.write(data.getBytes("utf-8"));
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}
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if(HttpURLConnection.HTTP_OK != con.getResponseCode() && HttpURLConnection.HTTP_CREATED != con.getResponseCode()){
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throw new RuntimeException("请求url失败:"+con.getResponseCode());
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}
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// 读取返回内容
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wxMsgXml = IOUtils.toString(con.getInputStream(), "utf-8");
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// //System.out.println("HttpURLUtil:"+wxMsgXml);
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} catch (Exception e) {
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e.printStackTrace();
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} finally {
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if (con != null) {
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con.disconnect();
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}
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}
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return wxMsgXml;
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}
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}
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