Java使用x-www-form-urlencoded發(fā)請求方式
更新時間:2024年09月29日 08:58:21 作者:hogenlaw
在開發(fā)中經(jīng)常使用JSON格式,但遇到x-www-form-urlencoded格式時,可以通過重新封裝處理,POSTMan和APIpost工具中對此編碼的稱呼不同,分別是x-www-form-urlencoded和urlencoded,分享這些經(jīng)驗希望對他人有所幫助
Java使用x-www-form-urlencoded發(fā)請求
平常在開發(fā)過程中用的最多的就是JSON格式,請求編碼就是 application/json
但偏偏有些接口是 x-www-form-urlencoded
怎么辦呢
重新封裝嘍?。。?!
- 在POSTMan工具是叫 x-www-form-urlencoded
- 在 APIpost工具中是叫 urlencoded
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請求 */ public class HttpRequestUtil { private String defaultContentEncoding; public HttpRequestUtil() { this.defaultContentEncoding = Charset.defaultCharset().name(); } /** * 默認(rèn)的響應(yīng)字符集 */ public String getDefaultContentEncoding() { return this.defaultContentEncoding; } /** * 設(shè)置默認(rèn)的響應(yīng)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"); /*發(fā)送json數(shù)據(jù)需要設(shè)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 = "服務(wù)器異常"; throw new Exception(result); } // System.out.println("返回數(shù)據(jù)="+result); } catch (Exception e) { //System.err.println("調(diào)用接口出錯::::::::::::"+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"); /*發(fā)送json數(shù)據(jù)需要設(shè)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 = "服務(wù)器異常"; throw new Exception(result); } //System.out.println("返回數(shù)據(jù)="+result); } catch (Exception e) { //System.err.println("調(diào)用接口出錯::::::::::::"+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"); /*發(fā)送json數(shù)據(jù)需要設(shè)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 = "服務(wù)器異常"; throw new Exception(result); } //System.out.println("返回數(shù)據(jù)="+result); } catch (Exception e) { //System.err.println("調(diào)用接口出錯::::::::::::"+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"); /*發(fā)送json數(shù)據(jù)需要設(shè)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 = "服務(wù)器異常"; throw new Exception(result); } //System.out.println("返回數(shù)據(jù)="+result); } catch (Exception e) { //System.err.println("調(diào)用接口出錯::::::::::::"+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"); /*發(fā)送json數(shù)據(jù)需要設(shè)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 = "服務(wù)器異常"; throw new Exception(result); } //System.out.println("返回數(shù)據(jù)="+result); } catch (Exception e) { //System.err.println("調(diào)用接口出錯::::::::::::"+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 = "服務(wù)器異常"; throw new Exception(result); } //System.out.println("返回數(shù)據(jù)="+result); } catch (Exception e) { //System.err.println("調(diào)用接口出錯::::::::::::"+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("?"); else param.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 = "服務(wù)器異常"; throw new Exception(result); } //System.out.println("返回數(shù)據(jù)="+result); } catch (Exception e) { // System.err.println("調(diào)用接口出錯::::::::::::"+e.getMessage()); throw new Exception(e.getMessage()); } finally { br.close(); in.close(); response.close(); httpclient.close(); } return result; } }
總結(jié)
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