介绍/* *
*支持复杂表单,比如文件上传
* @param formParam
* @return
* @throws例外
*/公共静态字符串postWithForm (FormParam FormParam)抛出异常{
字符串url=formParam.getUrl ();
字符串charset=癠TF-8";
字符串边界=Long.toHexString (System.currentTimeMillis ());//生成一些独特的随机值。
字符串CRLF=癨 r \ n";//行分隔符所需的多部分/格式。
URLConnection连接=新网址(URL) .openConnection ();
connection.setDoOutput(真正的);
connection.setRequestProperty (“Content-Type",“多部分/格式;边界=?+边界);
试(
OutputStream输出=connection.getOutputStream ();
PrintWriter作家=new PrintWriter(新OutputStreamWriter(输出字符集),真的);
) {//使身体参数
String> Map<字符串;bodyParam=formParam.getBodyParam ();
如果(零!=bodyParam) {
(字符串p: bodyParam.keySet ()) {
writer.append (“-”;+边界).append (CRLF);
writer.append(“附加项:格式;name=\““+ p +“\““) .append (CRLF);
writer.append(“内容类型:文本/平原;charset=?+字符集).append (CRLF);
writer.append (CRLF) .append (bodyParam.get (p)) .append (CRLF) .flush ();
}
}//发送文件。
File> Map<字符串;fileParam=formParam.getFileParam ();
如果(零!=fileParam) {
(字符串文件名:fileParam.keySet ()) {
writer.append (“-”;+边界).append (CRLF);
writer.append(“附加项:格式;name=\““+文件名+“\”;文件名=\”;“
+ fileParam.get(文件名). getname () +“\““) .append (CRLF);
writer.append(“内容类型:“+ URLConnection.guessContentTypeFromName(文件名).append (CRLF);
writer.append (“Content-Transfer-Encoding: binary") .append (CRLF);
writer.append (CRLF) .flush ();
Files.copy (fileParam.get(文件名).toPath(),输出);
output.flush ();//重要的继续之前的作家!
writer.append (CRLF) .flush ();//CRLF很重要!它表明边界的结束。
}
}//多部分/格式。
writer.append (“-”;+边界+“——“).append (CRLF) .flush ();
}
HttpURLConnection康涅狄格州=(HttpURLConnection)连接;
布特ByteArrayOutputStream=new ByteArrayOutputStream ();
int len;
byte[]新字节缓冲区=[1024];
在((len=conn.getInputStream () .read(缓冲))!=1){
布特。写(缓冲区,0,len);
}
字符串的结果=新的字符串(bout.toByteArray (),“utf-8");
返回结果;
}
这篇文章主要讲解了java如何模拟发送格式的请求,内容清晰明了,对此有兴趣的小伙伴可以学习一下,相信大家阅读完之后会有帮助。
我就废话不多说了,大家还是直接看代码吧!
包com.silot.test;
进口org.apache.http.HttpResponse;
进口org.apache.http.client.methods.HttpPost;
进口org.apache.http.entity.mime.HttpMultipartMode;
进口org.apache.http.entity.mime.MultipartEntity;
进口org.apache.http.entity.mime.content.StringBody;
进口org.apache.http.impl.client.DefaultHttpClient;
进口java.io.BufferedReader;
进口java.io.InputStream;
进口java.io.InputStreamReader;
进口charset;
公开课TestCli
{
公共静态void main (String参数[])抛出异常
{
MultipartEntity MultipartEntity=new MultipartEntity (HttpMultipartMode。BROWSER_COMPATIBLE,“- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 0 ea3fcae38ff", Charset.defaultCharset ());
multipartEntity.addPart (“skey"新StringBody(“哈哈哈哈哈,,Charset.forName (“UTF-8")));
multipartEntity.addPart (“operator"新StringBody(“啦啦啦啦“,Charset.forName (“UTF-8")));
multipartEntity.addPart (“VrfKey"新StringBody(“渣渣渣“,Charset.forName (“UTF-8")));
multipartEntity.addPart (“StatCode"新StringBody (“00”, Charset.forName (“UTF-8")));
multipartEntity.addPart (“mass_id"新StringBody (“1234“, Charset.forName (“UTF-8")));
multipartEntity.addPart (“reference_id"新StringBody (“21231544“, Charset.forName (“UTF-8")));
HttpPost请求=new HttpPost (“http://xiefei.s1.natapp.cc/v1/withdrawCallback");
request.setEntity (multipartEntity);
request.addHeader (“Content-Type"“附加项:格式;边界=- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 0 ea3fcae38ff");
DefaultHttpClient httpClient=new DefaultHttpClient ();
HttpResponse响应=httpClient.execute(请求);
.getContent InputStream是=response.getEntity () ();
BufferedReader=新BufferedReader(新InputStreamReader(是));
StringBuffer缓冲=new StringBuffer ();
字符串行=?“;
在((=in.readLine行())!=null)
{
buffer.append(线);
}
System.out.println(“发送消息收到的返回:“+ buffer.toString ());
}
} <强> java模拟复杂表单后请求
java模拟复杂表单后请求
能支持文件上传
