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package com.changcheng.web.client.service;
import java.io.DataOutputStream;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.protocol.HTTP;
import org.apache.http.util.EntityUtils;
import android.util.Log;
/**
* http请求发送器
*/
public class HttpRequester {
/**
* 直接通过HTTP协议提交数据到服务器,实现如下面表单提交功能:
* <FORM METHOD=POST ACTION="http://192.168.0.200:8080/ssi/fileload/test.do" enctype="multipart/form-data">
<INPUT TYPE="text" NAME="name">
<INPUT TYPE="text" NAME="id">
<input type="file" name="imagefile"/>
<input type="file" name="zip"/>
</FORM>
* @param actionUrl 上传路径(注：避免使用localhost或127.0.0.1这样的路径测试，因为它会指向手机模拟器，你可以使用http://www.itcast.cn或http://192.168.1.10:8080这样的路径测试)
* @param params 请求参数 key为参数名,value为参数值
* @param file 上传文件
*/
public static String post(String actionUrl, Map<String, String> params, FormFile[] files) {
try {
String BOUNDARY = "---------7d 4a6d158c9"; //数据分隔线
String MULTIPART_FORM_DATA = "multipart/form-data";
URL url = new URL(actionUrl);
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
conn.setConnectTimeout(6* 1000);
conn.setDoInput(true);//允许输入
conn.setDoOutput(true);//允许输出
conn.setUseCaches(false);//不使用Cache
conn.setRequestMethod("POST");
conn.setRequestProperty("Connection", "Keep-Alive");
conn.setRequestProperty("Charset", "UTF-8");
conn.setRequestProperty("Content-Type", MULTIPART_FORM_DATA + "; boundary=" + BOUNDARY);
StringBuilder sb = new StringBuilder();
for (Map.Entry<String, String> entry : params.entrySet()) {//构建表单字段内容
sb.append("--");
sb.append(BOUNDARY);
sb.append("\r\n");
sb.append("Content-Disposition: form-data; name=\""+ entry.getKey() + "\"\r\n\r\n");
sb.append(entry.getValue());
sb.append("\r\n");
}
DataOutputStream outStream = new DataOutputStream(conn.getOutputStream());
outStream.write(sb.toString().getBytes());//发送表单字段数据
for(FormFile file : files){//发送文件数据
StringBuilder split = new StringBuilder();
split.append("--");
split.append(BOUNDARY);
split.append("\r\n");
split.append("Content-Disposition: form-data;name=\""+ file.getFormname()+"\";filename=\""+ file.getFilname() + "\"\r\n");
split.append("Content-Type: "+ file.getContentType()+"\r\n\r\n");
outStream.write(split.toString().getBytes());
if(file.getInStream()!=null){
byte[] buffer = new byte[1024];
int len = 0;
while((len = file.getInStream().read(buffer))!=-1){
outStream.write(buffer, 0, len);
}
file.getInStream().close();
}else{
outStream.write(file.getData(), 0, file.getData().length);
}
outStream.write("\r\n".getBytes());
}
byte[] end_data = ("--" + BOUNDARY + "--\r\n").getBytes();//数据结束标志
outStream.write(end_data);
outStream.flush();
int cah = conn.getResponseCode();
if (cah != 200) throw new RuntimeException("请求url失败");
InputStream is = conn.getInputStream();
int ch;
StringBuilder b = new StringBuilder();
while( (ch = is.read()) != -1 ){
b.append((char)ch);
}
Log.i("ItcastHttpPost", b.toString());
outStream.close();
conn.disconnect();
return b.toString();
} catch (Exception e) {
throw new RuntimeException(e);
}
}
/**
* 提交数据到服务器
* @param actionUrl 上传路径(注：避免使用localhost或127.0.0.1这样的路径测试，因为它会指向手机模拟器，你可以使用http://www.itcast.cn或http://192.168.1.10:8080这样的路径测试)
* @param params 请求参数 key为参数名,value为参数值
* @param file 上传文件
*/
public static String post(String actionUrl, Map<String, String> params, FormFile file) {
return post(actionUrl, params, new FormFile[]{file});
}
/**
* 提交数据到服务器
* @param actionUrl 上传路径(注：避免使用localhost或127.0.0.1这样的路径测试，因为它会指向手机模拟器，你可以使用http://www.itcast.cn或http://192.168.1.10:8080这样的路径测试)
* @param params 请求参数 key为参数名,value为参数值
*/
public static String post(String actionUrl, Map<String, String> params) {
HttpPost httpPost = new HttpPost(actionUrl);
List<NameValuePair> list = new ArrayList<NameValuePair>();
for (Map.Entry<String, String> entry : params.entrySet()) {//构建表单字段内容
list.add(new BasicNameValuePair(entry.getKey(), entry.getValue()));
}
try {
httpPost.setEntity(new UrlEncodedFormEntity(list, HTTP.UTF_8));
HttpResponse httpResponse = new DefaultHttpClient().execute(httpPost);
if(httpResponse.getStatusLine().getStatusCode() == 200){
return EntityUtils.toString(httpResponse.getEntity());
}
} catch (Exception e) {
throw new RuntimeException(e);
}
return null;
}
}
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