java网络请求第三方接口代码实现与获取requset请求过来的参数
知识点：java后台网络请求第三方接口代码实现（SSM）-- 获取requset请求过来的所有参数
package com.controller;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.Map;
import java.util.Map.Entry;
import javax.servlet.http.HttpServletRequest;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.RequestMapping;
/** 联通大数据接口*/
@Controller
public class UnicomBigDataAction {
private static Logger log = LoggerFactory.getLogger(UnicomBigDataAction.class);
@RequestMapping("/unicomBigData/v_getUnicom")
public String getUnicomData(HttpServletRequest request,ModelMap model,String url) {
try {
Map<String, String[]> parameterMap = request.getParameterMap();
String str = "";
for (Entry<String, String[]> entry : parameterMap.entrySet()) {
//System.out.println(entry.getKey()+":"+entry.getValue()[0]);
//str += entry.getKey()+":"+"\""+ entry.getValue()[0]+"\""+",";
str += entry.getKey()+"="+ entry.getValue()[0]+"&";
}
String subStr = str.substring(0, str.length()-1);
URL urlHttp = new URL(url);
HttpURLConnection httpConn = (HttpURLConnection) urlHttp.openConnection();
httpConn.setDoOutput(true); // 使用 URL 连接进行输出
httpConn.setDoInput(true); // 使用 URL 连接进行输入
httpConn.setUseCaches(false); // 忽略缓存
httpConn.setRequestMethod("POST"); // 设置URL请求方法
OutputStream outputStream = httpConn.getOutputStream();
outputStream.write(subStr.getBytes());
outputStream.close();
BufferedReader responseReader = new BufferedReader(
new InputStreamReader(httpConn.getInputStream(), "UTF-8"));
String readLine;
StringBuffer responseSb = new StringBuffer();
while ((readLine = responseReader.readLine()) != null) {
responseSb.append(readLine);
}
String resp = responseSb.toString();
log.info(resp);
//model.addAttribute("abc", request);
} catch (Exception e) {
e.printStackTrace();
//return "customer/exportError";
}
return "";
}
}
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