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具体代码如下所示：
package lper;
import eredReader;
import InputStream;
import OutputStream;
import ;
import InputStream;
import ception;
import tStreamReader;
import utStream;
import URLConnection;
import ;
import onnection;
import ;
import ;
import y;
public class HttpRequestUtil {
/**
* 发送get请求
*
* @param requestUrl
* 请求url
* @param requestHeader
* 请求头
* @param responseEncoding
* 响应编码
* @return 页面响应html
*/
public static String sendGet(String requestUrl, Map<String, String> requestHeader, String responseEncoding) {
String result = "";
BufferedReader reader = null;
try {
if (requestUrl == null || pty()) {
return result;
}
URL realUrl = new URL(requestUrl);
URLConnection connection = Connection();
equestProperty("accept", "text/html, application/xhtml+xml, image/jxr, */*");
equestProperty("user-agent", "Mozilla/5.0 (Windows NT 10.0; WOW64; rv:53.0) Gecko/20100101 Firefox/53.0");
if (requestHeader != null && () > 0) {
for (Entry<String, String> entry : ySet()) {
equestProperty(ey(), alue());
}
}
ect();
if (responseEncoding == null || pty()) {
responseEncoding = "UTF-8";
}
reader = new BufferedReader(new InputStreamReader(nputStream(), responseEncoding));
String line;
while ((line = Line()) != null) {
result += line;
}
} catch (Exception e) {
tln("发送GET请求出现异常！");
tStackTrace();
} finally {
try {
if (reader != null) {
e();
}
} catch (Exception e) {
tStackTrace();
}
}
return result;
}
/**
* 发送post请求
*
* @param requestUrl
* 请求url
* @param requestHeader
* 请求头
* @param formTexts
* 表单数据
* @param files
* 上传文件
* @param requestEncoding
* 请求编码
* @param responseEncoding
* 响应编码
* @return 页面响应html
*/
public static String sendPost(String requestUrl, Map<String, String> requestHeader, Map<String, String> formTexts, Map<String, String> files, String requestEncoding, String responseEncoding) {
OutputStream out = null;
BufferedReader reader = null;
String result = "";
try {
if (requestUrl == null || pty()) {
return result;
}
URL realUrl = new URL(requestUrl);
HttpURLConnection connection = (HttpURLConnection) Connection();
equestProperty("accept", "text/html, application/xhtml+xml, image/jxr, */*");
equestProperty("user-agent", "Mozilla/5.0 (Windows NT 10.0; WOW64; rv:53.0) Gecko/20100101 Firefox/53.0");
if (requestHeader != null && () > 0) {
for (Entry<String, String> entry : ySet()) {
equestProperty(ey(), alue());
}
}
oOutput(true);
oInput(true);
equestMethod("POST");
if (requestEncoding == null || pty()) {
requestEncoding = "UTF-8";
}
if (responseEncoding == null || pty()) {
responseEncoding = "UTF-8";
}
if (requestHeader != null && () > 0) {
for (Entry<String, String> entry : ySet()) {
equestProperty(ey(), alue());
}
}
if (files == null || () == 0) {
equestProperty("content-type", "application/x-www-form-urlencoded");
out = new DataOutputStream(utputStream());
if (formTexts != null && () > 0) {
String formData = "";
for (Entry<String, String> entry : ySet()) {
formData += ey() + "=" + alue() + "&";
}
formData = tring(0, th() - 1);
e(ring()ytes(requestEncoding));
}
} else {
String boundary = "-----------------------------" + eOf(new Date()ime());
equestProperty("content-type", "multipart/form-data; boundary=" + boundary);
out = new DataOutputStream(utputStream());
if (formTexts != null && () > 0) {
StringBuilder sbFormData = new StringBuilder();
for (Entry<String, String> entry : ySet()) {
nd("--" + boundary + "rn");
nd("Content-Disposition: form-data; name="" + ey() + ""rnrn");
nd(alue() + "rn");
}
e(ring()ytes(requestEncoding));
}
for (Entry<String, String> entry : ySet()) {
String fileName = ey();
String filePath = alue();
if (fileName == null || pty() || filePath == null || pty()) {
continue;
}
File file = new File(filePath);
if (!ts()) {
continue;
}
e(("--" + boundary + "rn")ytes(requestEncoding));
e(("Content-Disposition: form-data; name="" + fileName + ""; filename="" + ame() + ""rn")ytes(requestEncoding));
e(("Content-Type: application/x-msdownloadrnrn")ytes(requestEncoding));
DataInputStream in = new DataInputStream(new FileInputStream(file));
int bytes = 0;
byte[] bufferOut = new byte[1024];
while ((bytes = (bufferOut)) != -1) {
e(bufferOut, 0, bytes);
}
e();
e(("rn")ytes(requestEncoding));
}
e(("--" + boundary + "--")ytes(requestEncoding));
}
h();
e();
out = null;
reader = new BufferedReader(new InputStreamReader(nputStream(), responseEncoding));
String line;
while ((line = Line()) != null) {
result += line;
}
} catch (Exception e) {
tln("发送POST请求出现异常！");
tStackTrace();
} finally {
try {
if (out != null) {
e();
}
if (reader != null) {
e();
}
} catch (IOException ex) {
tStackTrace();
}
}
return result;
}
}
