永中文档DCS在线转换文件（代码示例）

package test;

import java.io.BufferedReader;

import java.io.File;

import java.io.IOException;

import java.io.InputStreamReader;

import java.io.PrintWriter;

import java.net.URL;

import java.net.URLConnection;

import java.nio.charset.Charset;

import org.apache.http.HttpEntity;

import org.apache.http.HttpResponse;

import org.apache.http.HttpStatus;

import org.apache.http.ParseException;

import org.apache.http.client.HttpClient;

import org.apache.http.client.methods.HttpPost;

import org.apache.http.entity.mime.HttpMultipartMode;

import org.apache.http.entity.mime.MultipartEntity;

import org.apache.http.entity.mime.content.FileBody;

import org.apache.http.entity.mime.content.StringBody;

import org.apache.http.impl.client.DefaultHttpClient;

import org.apache.http.util.EntityUtils;

public class Test {

public static void main(String[] args) {

File file=new File("");

String convertByFile = SubmitPost("http://dcs.zwtd.cn/dcs.web/upload",

"E:/新建.pptx", "1");

//  String convertByUrl =

//  sendPost("http://dcs.zwtd.cn/dcs.web/onlinefile" ,

//  "downloadUrl=");

System.out.println(convertByFile);

//  System.out.println(convertByUrl);

}

public static String sendPost(String url, String param) {

PrintWriter out = null;

BufferedReader in = null;

String result = "";

try {

URL realUrl = new URL(url);

URLConnection conn = realUrl.openConnection();

conn.setRequestProperty("Accept-Charset", "UTF-8");

conn.setRequestProperty("accept", "*/*");

conn.setRequestProperty("connection", "Keep-Alive");

conn.setRequestProperty("user-agent",

"Mozilla/4.0(compatible; MSIE 6.0; Windows NT 5.1;SV1)");

conn.setDoInput(true);

conn.setDoOutput(true);

out = new PrintWriter(conn.getOutputStream());

out.print(param);

out.flush();

in = new BufferedReader(

new InputStreamReader(conn.getInputStream()));

String line;

while ((line = in.readLine()) != null) {

result += line;

}

} catch (Exception e) {

System.out.println("发送 POST 请求出现异常！" + e);

e.printStackTrace();

}

finally {

try {

if (out != null) {

out.close();

}

if (in != null) {

in.close();

}

} catch (Exception ex) {

ex.printStackTrace();

}

}

return result;

}

public static String SubmitPost(String url, String filepath, String type) {

String requestJson = "";

HttpClient httpclient = new DefaultHttpClient();

try {

HttpPost httppost = new HttpPost(url);

FileBody file = new FileBody(new File(filepath));

MultipartEntity reqEntity = new MultipartEntity(

HttpMultipartMode.BROWSER_COMPATIBLE, null, Charset

.forName("UTF-8"));

reqEntity.addPart("file", file); 

reqEntity.addPart("convertType", new StringBody(type, Charset

.forName("UTF-8"))); 

httppost.setEntity(reqEntity);

HttpResponse response = httpclient.execute(httppost);

int statusCode = response.getStatusLine().getStatusCode(); 

if (statusCode == HttpStatus.SC_OK) {

HttpEntity resEntity = response.getEntity();

requestJson = EntityUtils.toString(resEntity);

EntityUtils.consume(resEntity);

}

} catch (ParseException e) {

// TODO Auto-generated catch block

e.printStackTrace();

} catch (IOException e) {

// TODO Auto-generated catch block

e.printStackTrace();

// requestJson = e.toString();

} finally {

try {

httpclient.getConnectionManager().shutdown();

} catch (Exception ignore) {

}

}

// requestJson =(requestJson.substring(requestJson.indexOf("[\"")+1,requestJson.indexOf("\"]"))).substring(1,requestJson.substring(requestJson.indexOf("[\"")+1,requestJson.indexOf("\"]")).length());

return requestJson;

}

}