Java使用x-www-form-urlencoded发请求

2023-11-22 08:12
文章标签 java 使用 请求 form www urlencoded

本文主要是介绍Java使用x-www-form-urlencoded发请求，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！

平常在开发过程中用的最多的就是JSON格式，请求编码就是 application/json，但偏偏有些接口是 x-www-form-urlencoded，怎么办呢，重新封装喽
在POSTMan工具是叫 x-www-form-urlencoded
在 APIpost工具中是叫 urlencoded
在这里插入图片描述

Map<String, String> request = new HashMap<>();request.put("username", "xxx");request.put("password", "xxx");String result = HttpRequestUtil.post(request, "http://xxxx", new HashMap<String, String>(), "application/x-www-form-urlencoded");System.out.println(result);

package utils;import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.nio.charset.Charset;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;import org.apache.commons.lang3.StringUtils;
import org.apache.http.HttpStatus;
import org.apache.http.NameValuePair;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpDelete;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.methods.HttpPut;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.message.BasicNameValuePair;import com.alibaba.fastjson.JSONObject;/***    * @ClassName：HttpRequestUtil   * @Description： Http请求  */
public class HttpRequestUtil {private String defaultContentEncoding;public HttpRequestUtil() {this.defaultContentEncoding = Charset.defaultCharset().name();}/*** 默认的响应字符集*/public String getDefaultContentEncoding() {return this.defaultContentEncoding;}/*** 设置默认的响应字符集*/public void setDefaultContentEncoding(String defaultContentEncoding) {this.defaultContentEncoding = defaultContentEncoding;}public static String post(JSONObject json, String url) throws Exception{CloseableHttpClient httpclient = HttpClientBuilder.create().build();HttpPost post = new HttpPost(url);CloseableHttpResponse  response = null;InputStream in = null;BufferedReader br = null;String result = "";try {StringEntity s = new StringEntity(json.toString(),"utf-8");s.setContentEncoding("UTF-8");/*发送json数据需要设置contentType*/s.setContentType("application/json");post.setEntity(s);post.setHeader("Content-Type","application/json;charset=utf-8");response = httpclient.execute(post);in = response.getEntity().getContent();br = new BufferedReader(new InputStreamReader(in, "utf-8"));StringBuilder strber= new StringBuilder();String line = null;while((line = br.readLine())!=null){strber.append(line+'\n');}result = strber.toString();if(response.getStatusLine().getStatusCode()!=HttpStatus.SC_OK){if(StringUtils.isBlank(result)) result = "服务器异常";throw new Exception(result);}// System.out.println("返回数据="+result);} catch (Exception e) {//System.err.println("调用接口出错：：：：：：：：：：：："+e.getMessage());throw new Exception(e.getMessage());} finally {if(null != br) br.close();if(null != br) in.close();if(null != response) response.close();if(null != httpclient) httpclient.close();}return result;}public static String post(JSONObject json, String url, Map<String, String> headerMap) throws Exception{CloseableHttpClient httpclient = HttpClientBuilder.create().build();HttpPost post = new HttpPost(url);CloseableHttpResponse  response = null;InputStream in = null;BufferedReader br = null;String result = "";try {StringEntity s = new StringEntity(json.toString(),"utf-8");s.setContentEncoding("UTF-8");/*发送json数据需要设置contentType*/s.setContentType("application/json");post.setEntity(s);post.setHeader("Content-Type","application/json;charset=utf-8");Set<Entry<String, String>> headerEntries = headerMap.entrySet();for (Entry<String, String> headerEntry:headerEntries){post.setHeader(headerEntry.getKey(), headerEntry.getValue());}response = httpclient.execute(post);in = response.getEntity().getContent();br = new BufferedReader(new InputStreamReader(in, "utf-8"));StringBuilder strber= new StringBuilder();String line = null;while((line = br.readLine())!=null){strber.append(line+'\n');}result = strber.toString();if(response.getStatusLine().getStatusCode()!=HttpStatus.SC_OK){if(StringUtils.isBlank(result)) result = "服务器异常";throw new Exception(result);}//System.out.println("返回数据="+result);} catch (Exception e) {//System.err.println("调用接口出错：：：：：：：：：：：："+e.getMessage());throw new Exception(e.getMessage());} finally {br.close();in.close();response.close();httpclient.close();}return result;}/*** ContentType.URLENCODED.getHeader()* @param map* @param url* @param headerMap* @param contentType* @return* @throws Exception*/public static String post(Map<String, String> map, String url, Map<String, String> headerMap, String contentType) throws Exception{CloseableHttpClient httpclient = HttpClientBuilder.create().build();HttpPost post = new HttpPost(url);CloseableHttpResponse  response = null;InputStream in = null;BufferedReader br = null;String result = "";try {List<NameValuePair> nameValuePairs = getNameValuePairList(map);UrlEncodedFormEntity urlEncodedFormEntity = new UrlEncodedFormEntity(nameValuePairs, "UTF-8");/*发送json数据需要设置contentType*/urlEncodedFormEntity.setContentType(contentType);post.setEntity(urlEncodedFormEntity);post.setHeader("Content-Type", contentType);Set<Entry<String, String>> headerEntries = headerMap.entrySet();for (Entry<String, String> headerEntry:headerEntries){post.setHeader(headerEntry.getKey(), headerEntry.getValue());}response = httpclient.execute(post);in = response.getEntity().getContent();br = new BufferedReader(new InputStreamReader(in, "utf-8"));StringBuilder strber= new StringBuilder();String line = null;while((line = br.readLine())!=null){strber.append(line+'\n');}result = strber.toString();if(response.getStatusLine().getStatusCode()!=HttpStatus.SC_OK){if(StringUtils.isBlank(result)) result = "服务器异常";throw new Exception(result);}//System.out.println("返回数据="+result);} catch (Exception e) {//System.err.println("调用接口出错：：：：：：：：：：：："+e.getMessage());throw new Exception(e.getMessage());} finally {br.close();in.close();response.close();httpclient.close();}return result;}private static List<NameValuePair> getNameValuePairList(Map<String, String> map) {List<NameValuePair> list = new ArrayList<>();for(String key : map.keySet()) {list.add(new BasicNameValuePair(key,map.get(key)));}return list;}public static String post(String params, String url, Map<String, String> headerMap) throws Exception{CloseableHttpClient httpclient = HttpClientBuilder.create().build();HttpPost post = new HttpPost(url);CloseableHttpResponse  response = null;InputStream in = null;BufferedReader br = null;String result = "";try {StringEntity s = new StringEntity(params.toString(),"utf-8");s.setContentEncoding("UTF-8");/*发送json数据需要设置contentType*/s.setContentType("application/json");post.setEntity(s);post.setHeader("Content-Type","application/json;charset=utf-8");Set<Entry<String, String>> headerEntries = headerMap.entrySet();for (Entry<String, String> headerEntry:headerEntries){post.setHeader(headerEntry.getKey(), headerEntry.getValue());}response = httpclient.execute(post);in = response.getEntity().getContent();br = new BufferedReader(new InputStreamReader(in, "utf-8"));StringBuilder strber= new StringBuilder();String line = null;while((line = br.readLine())!=null){strber.append(line+'\n');}result = strber.toString();if(response.getStatusLine().getStatusCode()!=HttpStatus.SC_OK){if(StringUtils.isBlank(result)) result = "服务器异常";throw new Exception(result);}//System.out.println("返回数据="+result);} catch (Exception e) {//System.err.println("调用接口出错：：：：：：：：：：：："+e.getMessage());throw new Exception(e.getMessage());} finally {br.close();in.close();response.close();httpclient.close();}return result;}public static String put(JSONObject json, String url, Map<String, String> headerMap) throws Exception {CloseableHttpClient httpclient = HttpClientBuilder.create().build();HttpPut post = new HttpPut(url);CloseableHttpResponse  response = null;InputStream in = null;BufferedReader br = null;String result = "";try {StringEntity s = new StringEntity(json.toString(),"utf-8");s.setContentEncoding("UTF-8");/*发送json数据需要设置contentType*/s.setContentType("application/json");post.setEntity(s);post.setHeader("Content-Type","application/json;charset=utf-8");Set<Entry<String, String>> headerEntries = headerMap.entrySet();for (Entry<String, String> headerEntry:headerEntries){post.setHeader(headerEntry.getKey(), headerEntry.getValue());}response = httpclient.execute(post);in = response.getEntity().getContent();br = new BufferedReader(new InputStreamReader(in, "utf-8"));StringBuilder strber= new StringBuilder();String line = null;while((line = br.readLine())!=null){strber.append(line+'\n');}result = strber.toString();if(response.getStatusLine().getStatusCode()!=HttpStatus.SC_OK){if(StringUtils.isBlank(result)) result = "服务器异常";throw new Exception(result);}//System.out.println("返回数据="+result);} catch (Exception e) {//System.err.println("调用接口出错：：：：：：：：：：：："+e.getMessage());throw new Exception(e.getMessage());} finally {br.close();in.close();response.close();httpclient.close();}return result;}public static String delete(String url, Map<String, String> headerMap) throws Exception {CloseableHttpClient httpclient = HttpClientBuilder.create().build();HttpDelete post = new HttpDelete(url);CloseableHttpResponse  response = null;InputStream in = null;BufferedReader br = null;String result = "";try {post.setHeader("Content-Type","application/json;charset=utf-8");Set<Entry<String, String>> headerEntries = headerMap.entrySet();for (Entry<String, String> headerEntry:headerEntries){post.setHeader(headerEntry.getKey(), headerEntry.getValue());}response = httpclient.execute(post);in = response.getEntity().getContent();br = new BufferedReader(new InputStreamReader(in, "utf-8"));StringBuilder strber= new StringBuilder();String line = null;while((line = br.readLine())!=null){strber.append(line+'\n');}result = strber.toString();if(response.getStatusLine().getStatusCode()!=HttpStatus.SC_OK){if(StringUtils.isBlank(result)) result = "服务器异常";throw new Exception(result);}//System.out.println("返回数据="+result);} catch (Exception e) {//System.err.println("调用接口出错：：：：：：：：：：：："+e.getMessage());throw new Exception(e.getMessage());} finally {br.close();in.close();response.close();httpclient.close();}return result;}public static String get(JSONObject paramsObj, String url, Map<String, String> headerMap) throws Exception {CloseableHttpClient httpclient = HttpClientBuilder.create().build();CloseableHttpResponse  response = null;InputStream in = null;BufferedReader br = null;String result = "";try {StringBuffer param = new StringBuffer();int i = 0;Set<Entry<String, Object>> entries = paramsObj.entrySet();for (Entry<String, Object> entry:entries){if (i == 0)param.append("?");elseparam.append("&");param.append(entry.getKey()).append("=").append(entry.getValue());i++;}url += param;HttpGet post = new HttpGet(url);
//            post.setHeader("Content-Type","application/json;charset=utf-8");Set<Entry<String, String>> headerEntries = headerMap.entrySet();for (Entry<String, String> headerEntry:headerEntries){post.setHeader(headerEntry.getKey(), headerEntry.getValue());}response = httpclient.execute(post);in = response.getEntity().getContent();br = new BufferedReader(new InputStreamReader(in, "utf-8"));StringBuilder strber= new StringBuilder();String line = null;while((line = br.readLine())!=null){strber.append(line+'\n');}result = strber.toString();if(response.getStatusLine().getStatusCode()!=HttpStatus.SC_OK){if(StringUtils.isBlank(result)) result = "服务器异常";throw new Exception(result);}//System.out.println("返回数据="+result);} catch (Exception e) {// System.err.println("调用接口出错：：：：：：：：：：：："+e.getMessage());throw new Exception(e.getMessage());} finally {br.close();in.close();response.close();httpclient.close();}return result;}
}

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