Android 拍照上传的代码实现

最近试验android拍照上传的功能，基本顺利。

试验条件，

客户端，android2.2

服务器端，linux, nginx php 5.2

android 代码如下：

 

PHP代码如下：

<?php
///如果有上传文件则接收
if($_FILES){

 

$target_path = $target_path . basename( $_FILES['file1']['name']);

try{	if(move_uploaded_file($_FILES['file1']['tmp_name'], $target_path)) {

echo "The file ".  basename( $_FILES['file1']['name']). 		" has been uploaded";

}

}	catch( Exception $e )	 {

echo $e->getMessage();					  		 }

}

else  ///如果不是上传文件则列出图片
{

file_list(".");
}

function file_list($path){
$im_type=array('bmp','jpg','jpeg','png','gif');

if ($handle = opendir($path)) {
while (false !== ($file = readdir($handle)))
{
if ($file != "." && $file != "..") {

if (is_dir($path."/".$file))
{

file_list($path."/".$file);
}
else
{
if(strpos($file,'.png',1)||strpos($file,'.jpg',1)||strpos($file,'.ico',1)||strpos($file,'.gif',1))
{
echo ' <img height=\'100\' src="'.$path.'/'.$file.'" />';
}
}
}
}
}
}

?>

 

Android 代码：

package com.app.model;

import java.io.DataOutputStream;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.widget.Toast;

public class SubmitPhoto extends Activity
{
/* 变量声明
* newName：上传后在服务器上的文件名称
* uploadFile：要上传的文件路径
* actionUrl：服务器对应的程序路径 */
private String newName="";
private String uploadFile="";
private String actionUrl="http://dev.feiren.com/uploads/android/upload.php";

@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);

Intent intent = this.getIntent();
Bundle  bundle = intent.getExtras();
newName = bundle.getString("fileName");
uploadFile=newName;

try {
String ok=post(actionUrl,newName);
Toast.makeText(this, "OK!",Toast.LENGTH_LONG).show();
finish();

} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}

}

/* 上传文件到Server的方法*/
/**

* @param actionUrl
* @param params
* @param files
* @return
* @throws IOException
*/
public static String post(String actionUrl,String FileName) throws IOException {

String BOUNDARY = java.util.UUID.randomUUID().toString();
String PREFIX = "--" , LINEND = "\r\n";
String MULTIPART_FROM_DATA = "multipart/form-data";
String CHARSET = "UTF-8";

URL uri = new URL(actionUrl);
HttpURLConnection conn = (HttpURLConnection) uri.openConnection();
conn.setReadTimeout(5 * 1000); // 缓存的最长时间
conn.setDoInput(true);// 允许输入
conn.setDoOutput(true);// 允许输出
conn.setUseCaches(false); // 不允许使用缓存
conn.setRequestMethod("POST");
conn.setRequestProperty("connection", "keep-alive");
conn.setRequestProperty("Charsert", "UTF-8");
conn.setRequestProperty("Content-Type", MULTIPART_FROM_DATA + ";boundary=" + BOUNDARY);

DataOutputStream outStream = new DataOutputStream(conn.getOutputStream());

// 发送文件数据
if(FileName!=""){

StringBuilder sb1 = new StringBuilder();
sb1.append(PREFIX);
sb1.append(BOUNDARY);
sb1.append(LINEND);
sb1.append("Content-Disposition: form-data; name=\"file1\"; filename=\""+FileName+"\""+LINEND);
sb1.append("Content-Type: application/octet-stream; charset="+CHARSET+LINEND);
sb1.append(LINEND);
outStream.write(sb1.toString().getBytes());

InputStream is = new FileInputStream(FileName);
byte[] buffer = new byte[1024];
int len = 0;
while ((len = is.read(buffer)) != -1) {
outStream.write(buffer, 0, len);
}

is.close();
outStream.write(LINEND.getBytes());

}

//请求结束标志
byte[] end_data = (PREFIX + BOUNDARY + PREFIX + LINEND).getBytes();
outStream.write(end_data);
outStream.flush();

//得到响应码
int res = conn.getResponseCode();
InputStream in = null;
if (res == 200) {
in = conn.getInputStream();
int ch;
StringBuilder sb2 = new StringBuilder();
while ((ch = in.read()) != -1) {
sb2.append((char) ch);
}
}
return in == null ? null : in.toString();
}

}

 

以上代码已经试验成功。这个代码可以实现很多有意思的应用，比如你在户外拍照，刚拍下来，你所有的朋友马上都可以在你的微薄或者空间里看到。