java
复制代码
// 这段代码主要用于发送 HTTP 请求，支持 GET、POST、PUT 和 DELETE 方法，同时支持发送 URL 查询字符串和请求体。下面是加上中文注释后的代码：
package com.wyh.chat.util;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.security.KeyManagementException;
import java.security.NoSuchAlgorithmException;
import java.security.cert.X509Certificate;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;
import org.apache.commons.lang3.StringUtils;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
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.conn.ClientConnectionManager;
import org.apache.http.conn.scheme.Scheme;
import org.apache.http.conn.scheme.SchemeRegistry;
import org.apache.http.conn.ssl.SSLSocketFactory;
import org.apache.http.entity.ByteArrayEntity;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
public class HttpUtils {
/**
* get
*
* @param host
* @param path
* @param method
* @param headers
* @param querys
* @return
* @throws Exception
*/
public static HttpResponse doGet(String host, String path, String method,
Map<String, String> headers, // 请求头
Map<String, String> querys) // URL 查询字符串
throws Exception {
HttpClient httpClient = wrapClient(host);
// 获取 HTTP 客户端
HttpGet request = new HttpGet(buildUrl(host, path, querys));
// 遍历请求头，添加到 HTTP 请求中
for (Map.Entry<String, String> e : headers.entrySet()) {
request.addHeader(e.getKey(), e.getValue());
}
return httpClient.execute(request);
}
/**
* post form
*
* @param host
* @param path
* @param method
* @param headers
* @param querys
* @param bodys
* @return
* @throws Exception
*/
public static HttpResponse doPost(String host, String path, String method, // 请求主机
Map<String, String> headers, // 请求头
Map<String, String> querys, // URL 查询字符串
Map<String, String> bodys) // 请求体
throws Exception {
HttpClient httpClient = wrapClient(host);
// 获取 HTTP 客户端
HttpPost request = new HttpPost(buildUrl(host, path, querys));
// 遍历请求头，添加到 HTTP 请求中
for (Map.Entry<String, String> e : headers.entrySet()) {
request.addHeader(e.getKey(), e.getValue());
}
// 如果请求体不为空，则将其添加到 HTTP 请求中
if (bodys != null) {
List<NameValuePair> nameValuePairList = new ArrayList<NameValuePair>();
// for (String key : bodys.keySet()) {
// nameValuePairList.add(new BasicNameValuePair(key, bodys.get(key)));
// }
// 将键值对列表转换为 UrlEncodedFormEntity 对象
for (String key : bodys.keySet()) {
nameValuePairList.add(new BasicNameValuePair(key, bodys.get(key)));
}
UrlEncodedFormEntity formEntity = new UrlEncodedFormEntity(nameValuePairList, "utf-8");
formEntity.setContentType("application/x-www-form-urlencoded; charset=UTF-8");
request.setEntity(formEntity);
}
return httpClient.execute(request);
}
/**
* Post String
*
* @param host
* @param path
* @param method
* @param headers
* @param querys
* @param body
* @return
* @throws Exception
*/
public static HttpResponse doPost(String host, String path, String method, // 请求主机
Map<String, String> headers, // 请求头
Map<String, String> querys, // URL 查询字符串
String body) // 请求体
throws Exception {
HttpClient httpClient = wrapClient(host);
// 获取 HTTP 客户端
HttpPost request = new HttpPost(buildUrl(host, path, querys));
// 遍历请求头，添加到 HTTP 请求中
for (Map.Entry<String, String> e : headers.entrySet()) {
request.addHeader(e.getKey(), e.getValue());
}
// 如果请求体不为空，则将其添加到 HTTP 请求中
if (StringUtils.isNotBlank(body)) {
request.setEntity(new StringEntity(body, "utf-8"));
}
return httpClient.execute(request);
}
/**
* Post stream
*
* @param host
* @param path
* @param method
* @param headers
* @param querys
* @param body
* @return
* @throws Exception
*/
public static HttpResponse doPost(String host, String path, String method, // 请求主机
Map<String, String> headers, // 请求头
Map<String, String> querys, // URL 查询字符串
byte[] body) // 请求体
throws Exception {
HttpClient httpClient = wrapClient(host);
// 获取 HTTP 客户端
HttpPost request = new HttpPost(buildUrl(host, path, querys));
// 遍历请求头，添加到 HTTP 请求中
for (Map.Entry<String, String> e : headers.entrySet()) {
request.addHeader(e.getKey(), e.getValue());
}
// 如果请求体不为空，则将其添加到 HTTP 请求中
if (body != null) {
request.setEntity(new ByteArrayEntity(body));
}
return httpClient.execute(request);
}
/**
* Put String
* @param host
* @param path
* @param method
* @param headers
* @param querys
* @param body
* @return
* @throws Exception
*/
public static HttpResponse doPut(String host, String path, String method, // 请求主机
Map<String, String> headers, // 请求头
Map<String, String> querys, // URL 查询字符串
String body) // 请求体
throws Exception {
HttpClient httpClient = wrapClient(host);
// 获取 HTTP 客户端
HttpPut request = new HttpPut(buildUrl(host, path, querys));
// 遍历请求头，添加到 HTTP 请求中
for (Map.Entry<String, String> e : headers.entrySet()) {
request.addHeader(e.getKey(), e.getValue());
}
// 如果请求体不为空，则将其添加到 HTTP 请求中
if (StringUtils.isNotBlank(body)) {
request.setEntity(new StringEntity(body, "utf-8"));
}
return httpClient.execute(request);
}
/**
* Put stream
* @param host
* @param path
* @param method
* @param headers
* @param querys
* @param body
* @return
* @throws Exception
*/
public static HttpResponse doPut(String host, String path, String method, // 请求主机
Map<String, String> headers, // 请求头
Map<String, String> querys, // URL 查询字符串
byte[] body) // 请求体
throws Exception {
HttpClient httpClient = wrapClient(host);
// 获取 HTTP 客户端
HttpPut request = new HttpPut(buildUrl(host, path, querys));
// 遍历请求头，添加到 HTTP 请求中
for (Map.Entry<String, String> e : headers.entrySet()) {
request.addHeader(e.getKey(), e.getValue());
}
// 如果请求体不为空，则将其添加到 HTTP 请求中
if (body != null) {
request.setEntity(new ByteArrayEntity(body));
}
return httpClient.execute(request);
}
/**
* Delete
*
* @param host
* @param path
* @param method
* @param headers
* @param querys
* @return
* @throws Exception
*/
public static HttpResponse doDelete(String host, String path, String method,
Map<String, String> headers,
Map<String, String> querys)
throws Exception {
HttpClient httpClient = wrapClient(host);
HttpDelete request = new HttpDelete(buildUrl(host, path, querys));
for (Map.Entry<String, String> e : headers.entrySet()) {
request.addHeader(e.getKey(), e.getValue());
}
return httpClient.execute(request);
}
private static String buildUrl(String host, String path, Map<String, String> querys) throws UnsupportedEncodingException {
StringBuilder sbUrl = new StringBuilder();
sbUrl.append(host);
if (!StringUtils.isBlank(path)) {
sbUrl.append(path);
}
if (null != querys) {
StringBuilder sbQuery = new StringBuilder();
for (Map.Entry<String, String> query : querys.entrySet()) {
if (0 < sbQuery.length()) {
sbQuery.append("&");
}
if (StringUtils.isBlank(query.getKey()) && !StringUtils.isBlank(query.getValue())) {
sbQuery.append(query.getValue());
}
if (!StringUtils.isBlank(query.getKey())) {
sbQuery.append(query.getKey());
if (!StringUtils.isBlank(query.getValue())) {
sbQuery.append("=");
sbQuery.append(URLEncoder.encode(query.getValue(), "utf-8"));
}
}
}
if (0 < sbQuery.length()) {
sbUrl.append("?").append(sbQuery);
}
}
return sbUrl.toString();
}
private static HttpClient wrapClient(String host) {
HttpClient httpClient = new DefaultHttpClient();
if (host.startsWith("https://")) {
sslClient(httpClient);
}
return httpClient;
}
private static void sslClient(HttpClient httpClient) {
try {
SSLContext ctx = SSLContext.getInstance("TLS");
X509TrustManager tm = new X509TrustManager() {
public X509Certificate[] getAcceptedIssuers() {
return null;
}
public void checkClientTrusted(X509Certificate[] xcs, String str) {
}
public void checkServerTrusted(X509Certificate[] xcs, String str) {
}
};
ctx.init(null, new TrustManager[] { tm }, null);
SSLSocketFactory ssf = new SSLSocketFactory(ctx);
ssf.setHostnameVerifier(SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);
ClientConnectionManager ccm = httpClient.getConnectionManager();
SchemeRegistry registry = ccm.getSchemeRegistry();
registry.register(new Scheme("https", 443, ssf));
} catch (KeyManagementException ex) {
throw new RuntimeException(ex);
} catch (NoSuchAlgorithmException ex) {
throw new RuntimeException(ex);
}
}
}