摘要: 拍照和選擇本地圖片上傳的代碼網上很多,但也有的代碼在自己程序上跑不起來,所以整的有點尷尬,今天自己的拍照上傳和本地圖片選擇上傳代碼都已完成。
先來客戶端代碼【這裏只寫了主要代碼】
先來張效果圖,
iv_photo.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
new ActionSheetDialog(SendGoodsDetailsActivity.this).builder().setTitle("上傳車輛照片")
.setCancelable(false).setCanceledOnTouchOutside(false)
.addSheetItem("拍照上傳", SheetItemColor.Blue, new OnSheetItemClickListener() {
@Override
public void onClick(int which) {
// 拍照
//設置圖片的保存路徑,作爲全局變量
imageFilePath = Environment.getExternalStorageDirectory().getAbsolutePath()+"/filename.jpg";
File temp = new File(imageFilePath);
Uri imageFileUri = Uri.fromFile(temp);//獲取文件的Uri
Intent it = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);//跳轉到相機Activity
it.putExtra(android.provider.MediaStore.EXTRA_OUTPUT, imageFileUri);//告訴相機拍攝完畢輸出圖片到指定的Uri
startActivityForResult(it, 102);
}
}).addSheetItem("相冊選擇", SheetItemColor.Blue, new OnSheetItemClickListener() {
@Override
public void onClick(int which) {
// 相冊選取
Intent intent1 = new Intent(Intent.ACTION_GET_CONTENT);
intent1.setDataAndType(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, "image/*");
startActivityForResult(intent1, 103);
}
}).show();
}
});
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
switch(requestCode){
case 102:
if (resultCode == Activity.RESULT_OK) {
Bitmap bmp = BitmapFactory.decodeFile(imageFilePath);
iv_photo.setImageBitmap(bmp);
}
break;
case 103:
Bitmap bm = null;
// 外界的程序訪問ContentProvider所提供數據 可以通過ContentResolver接口
ContentResolver resolver = getContentResolver();
try {
Uri originalUri = data.getData(); // 獲得圖片的uri
bm = MediaStore.Images.Media.getBitmap(resolver, originalUri); // 顯得到bitmap圖片
// 這裏開始的第二部分,獲取圖片的路徑:
String[] proj = { MediaStore.Images.Media.DATA };
// 好像是android多媒體數據庫的封裝接口,具體的看Android文檔
@SuppressWarnings("deprecation")
Cursor cursor = managedQuery(originalUri, proj, null, null, null);
// 按我個人理解 這個是獲得用戶選擇的圖片的索引值
int column_index = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
// 將光標移至開頭 ,這個很重要,不小心很容易引起越界
cursor.moveToFirst();
// 最後根據索引值獲取圖片路徑
String path = cursor.getString(column_index);
iv_photo.setImageURI(originalUri);
} catch (IOException e) {
e.printStackTrace();
}
break;
}
super.onActivityResult(requestCode,resultCode,data);
}
下面是上傳的一個工具類,嘻嘻,從網上找的一個大神的,可以用
/**
*
* 上傳工具類
* @author spring sky
* Email:[email protected]
* QQ:840950105
* MyName:石明政
*/
public class UploadUtil {
private static final String TAG = "uploadFile";
private static final int TIME_OUT = 10*1000; //超時時間
private static final String CHARSET = "utf-8"; //設置編碼
/**
* android上傳文件到服務器
* @param file 需要上傳的文件
* @param RequestURL 請求的rul
* @return 返回響應的內容
*/
public static String uploadFile(File file,String RequestURL){
String result = null;
String BOUNDARY = UUID.randomUUID().toString(); //邊界標識 隨機生成
String PREFIX = "--" , LINE_END = "\r\n";
String CONTENT_TYPE = "multipart/form-data"; //內容類型
try {
URL url = new URL(RequestURL);
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
conn.setReadTimeout(TIME_OUT);
conn.setConnectTimeout(TIME_OUT);
conn.setDoInput(true); //允許輸入流
conn.setDoOutput(true); //允許輸出流
conn.setUseCaches(false); //不允許使用緩存
conn.setRequestMethod("POST"); //請求方式
conn.setRequestProperty("Charset", CHARSET); //設置編碼
conn.setRequestProperty("connection", "keep-alive");
conn.setRequestProperty("Content-Type", CONTENT_TYPE + ";boundary=" + BOUNDARY);
conn.connect();
if(file!=null){
/**
* 當文件不爲空,把文件包裝並且上傳
*/
DataOutputStream dos = new DataOutputStream( conn.getOutputStream());
StringBuffer sb = new StringBuffer();
sb.append(PREFIX);
sb.append(BOUNDARY);
sb.append(LINE_END);
/**
* 這裏重點注意:
* name裏面的值爲服務器端需要key 只有這個key 纔可以得到對應的文件
* filename是文件的名字,包含後綴名的 比如:abc.png
*/
sb.append("Content-Disposition: form-data; name=\"img\"; filename=\""+file.getName()+"\""+LINE_END);
sb.append("Content-Type: application/octet-stream; charset="+CHARSET+LINE_END);
sb.append(LINE_END);
dos.write(sb.toString().getBytes());
InputStream is = new FileInputStream(file);
byte[] bytes = new byte[1024];
int len = 0;
while((len=is.read(bytes))!=-1){
dos.write(bytes, 0, len);
}
is.close();
dos.write(LINE_END.getBytes());
byte[] end_data = (PREFIX+BOUNDARY+PREFIX+LINE_END).getBytes();
dos.write(end_data);
dos.flush();
/**
* 獲取響應碼 200=成功
* 當響應成功,獲取響應的流
*/
int res = conn.getResponseCode();
if(res==200){
InputStream input = conn.getInputStream();
StringBuffer sb1= new StringBuffer();
int ss ;
while((ss=input.read())!=-1){
sb1.append((char)ss);
}
result = sb1.toString();
System.out.println(result);
}
}
} catch (MalformedURLException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return result;
}
}
在下就是調用上傳的方法了,這裏我給摘出來了
File file = new File(path); //這裏的path就是那個地址的全局變量
String result = UploadUtil.uploadFile(file, RequestURL);
這裏客戶端就完成了,下面就是服務端代碼,這裏我用的是servlet
public class UploadShipServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
private String path;
public UploadShipServlet() {
super();
}
public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
this.doPost(request, response);
}
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html;charset=utf-8");
request.setCharacterEncoding("utf-8");
response.setCharacterEncoding("utf-8");
PrintWriter out = response.getWriter();
// 創建文件項目工廠對象
DiskFileItemFactory factory = new DiskFileItemFactory();
// 設置文件上傳路徑
String upload = this.getServletContext().getRealPath("/");
// 獲取系統默認的臨時文件保存路徑,該路徑爲Tomcat根目錄下的temp文件夾
String temp = System.getProperty("java.io.tmpdir");
// 設置緩衝區大小爲 5M
factory.setSizeThreshold(1024 * 1024 * 5);
// 設置臨時文件夾爲temp
factory.setRepository(new File(temp));
// 用工廠實例化上傳組件,ServletFileUpload 用來解析文件上傳請求
ServletFileUpload servletFileUpload = new ServletFileUpload(factory);
// 解析結果放在List中
try {
List<FileItem> list = servletFileUpload.parseRequest(request);
for (FileItem item : list) {
String name = item.getFieldName();
InputStream is = item.getInputStream();
if (name.contains("content")) {
System.out.println(inputStream2String(is));
} else if (name.contains("img")) {
try {
path = upload+"\\"+item.getName();
inputStream2File(is, path);
break;
} catch (Exception e) {
e.printStackTrace();
}
}
}
out.write(path); //這裏我把服務端成功後,返回給客戶端的是上傳成功後路徑
} catch (FileUploadException e) {
e.printStackTrace();
System.out.println("failure");
out.write("failure");
}
out.flush();
out.close();
}
// 流轉化成字符串
public static String inputStream2String(InputStream is) throws IOException {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
int i = -1;
while ((i = is.read()) != -1) {
baos.write(i);
}
return baos.toString();
}
// 流轉化成文件
public static void inputStream2File(InputStream is, String savePath) throws Exception {
System.out.println("文件保存路徑爲:" + savePath);
File file = new File(savePath);
InputStream inputSteam = is;
BufferedInputStream fis = new BufferedInputStream(inputSteam);
FileOutputStream fos = new FileOutputStream(file);
int f;
while ((f = fis.read()) != -1) {
fos.write(f);
}
fos.flush();
fos.close();
fis.close();
inputSteam.close();
}
}
ok了,這樣就大功告成了,多整理以後好用得着。
注意: 本文由 微信媽媽(公衆號買賣ontaobao.cn) 編輯整理, 轉載地址 https://my.oschina.net/u/2008084/blog/524937
先來客戶端代碼【這裏只寫了主要代碼】
先來張效果圖,
iv_photo.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
new ActionSheetDialog(SendGoodsDetailsActivity.this).builder().setTitle("上傳車輛照片")
.setCancelable(false).setCanceledOnTouchOutside(false)
.addSheetItem("拍照上傳", SheetItemColor.Blue, new OnSheetItemClickListener() {
@Override
public void onClick(int which) {
// 拍照
//設置圖片的保存路徑,作爲全局變量
imageFilePath = Environment.getExternalStorageDirectory().getAbsolutePath()+"/filename.jpg";
File temp = new File(imageFilePath);
Uri imageFileUri = Uri.fromFile(temp);//獲取文件的Uri
Intent it = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);//跳轉到相機Activity
it.putExtra(android.provider.MediaStore.EXTRA_OUTPUT, imageFileUri);//告訴相機拍攝完畢輸出圖片到指定的Uri
startActivityForResult(it, 102);
}
}).addSheetItem("相冊選擇", SheetItemColor.Blue, new OnSheetItemClickListener() {
@Override
public void onClick(int which) {
// 相冊選取
Intent intent1 = new Intent(Intent.ACTION_GET_CONTENT);
intent1.setDataAndType(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, "image/*");
startActivityForResult(intent1, 103);
}
}).show();
}
});
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
switch(requestCode){
case 102:
if (resultCode == Activity.RESULT_OK) {
Bitmap bmp = BitmapFactory.decodeFile(imageFilePath);
iv_photo.setImageBitmap(bmp);
}
break;
case 103:
Bitmap bm = null;
// 外界的程序訪問ContentProvider所提供數據 可以通過ContentResolver接口
ContentResolver resolver = getContentResolver();
try {
Uri originalUri = data.getData(); // 獲得圖片的uri
bm = MediaStore.Images.Media.getBitmap(resolver, originalUri); // 顯得到bitmap圖片
// 這裏開始的第二部分,獲取圖片的路徑:
String[] proj = { MediaStore.Images.Media.DATA };
// 好像是android多媒體數據庫的封裝接口,具體的看Android文檔
@SuppressWarnings("deprecation")
Cursor cursor = managedQuery(originalUri, proj, null, null, null);
// 按我個人理解 這個是獲得用戶選擇的圖片的索引值
int column_index = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
// 將光標移至開頭 ,這個很重要,不小心很容易引起越界
cursor.moveToFirst();
// 最後根據索引值獲取圖片路徑
String path = cursor.getString(column_index);
iv_photo.setImageURI(originalUri);
} catch (IOException e) {
e.printStackTrace();
}
break;
}
super.onActivityResult(requestCode,resultCode,data);
}
下面是上傳的一個工具類,嘻嘻,從網上找的一個大神的,可以用
/**
*
* 上傳工具類
* @author spring sky
* Email:[email protected]
* QQ:840950105
* MyName:石明政
*/
public class UploadUtil {
private static final String TAG = "uploadFile";
private static final int TIME_OUT = 10*1000; //超時時間
private static final String CHARSET = "utf-8"; //設置編碼
/**
* android上傳文件到服務器
* @param file 需要上傳的文件
* @param RequestURL 請求的rul
* @return 返回響應的內容
*/
public static String uploadFile(File file,String RequestURL){
String result = null;
String BOUNDARY = UUID.randomUUID().toString(); //邊界標識 隨機生成
String PREFIX = "--" , LINE_END = "\r\n";
String CONTENT_TYPE = "multipart/form-data"; //內容類型
try {
URL url = new URL(RequestURL);
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
conn.setReadTimeout(TIME_OUT);
conn.setConnectTimeout(TIME_OUT);
conn.setDoInput(true); //允許輸入流
conn.setDoOutput(true); //允許輸出流
conn.setUseCaches(false); //不允許使用緩存
conn.setRequestMethod("POST"); //請求方式
conn.setRequestProperty("Charset", CHARSET); //設置編碼
conn.setRequestProperty("connection", "keep-alive");
conn.setRequestProperty("Content-Type", CONTENT_TYPE + ";boundary=" + BOUNDARY);
conn.connect();
if(file!=null){
/**
* 當文件不爲空,把文件包裝並且上傳
*/
DataOutputStream dos = new DataOutputStream( conn.getOutputStream());
StringBuffer sb = new StringBuffer();
sb.append(PREFIX);
sb.append(BOUNDARY);
sb.append(LINE_END);
/**
* 這裏重點注意:
* name裏面的值爲服務器端需要key 只有這個key 纔可以得到對應的文件
* filename是文件的名字,包含後綴名的 比如:abc.png
*/
sb.append("Content-Disposition: form-data; name=\"img\"; filename=\""+file.getName()+"\""+LINE_END);
sb.append("Content-Type: application/octet-stream; charset="+CHARSET+LINE_END);
sb.append(LINE_END);
dos.write(sb.toString().getBytes());
InputStream is = new FileInputStream(file);
byte[] bytes = new byte[1024];
int len = 0;
while((len=is.read(bytes))!=-1){
dos.write(bytes, 0, len);
}
is.close();
dos.write(LINE_END.getBytes());
byte[] end_data = (PREFIX+BOUNDARY+PREFIX+LINE_END).getBytes();
dos.write(end_data);
dos.flush();
/**
* 獲取響應碼 200=成功
* 當響應成功,獲取響應的流
*/
int res = conn.getResponseCode();
if(res==200){
InputStream input = conn.getInputStream();
StringBuffer sb1= new StringBuffer();
int ss ;
while((ss=input.read())!=-1){
sb1.append((char)ss);
}
result = sb1.toString();
System.out.println(result);
}
}
} catch (MalformedURLException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return result;
}
}
在下就是調用上傳的方法了,這裏我給摘出來了
File file = new File(path); //這裏的path就是那個地址的全局變量
String result = UploadUtil.uploadFile(file, RequestURL);
這裏客戶端就完成了,下面就是服務端代碼,這裏我用的是servlet
public class UploadShipServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
private String path;
public UploadShipServlet() {
super();
}
public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
this.doPost(request, response);
}
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html;charset=utf-8");
request.setCharacterEncoding("utf-8");
response.setCharacterEncoding("utf-8");
PrintWriter out = response.getWriter();
// 創建文件項目工廠對象
DiskFileItemFactory factory = new DiskFileItemFactory();
// 設置文件上傳路徑
String upload = this.getServletContext().getRealPath("/");
// 獲取系統默認的臨時文件保存路徑,該路徑爲Tomcat根目錄下的temp文件夾
String temp = System.getProperty("java.io.tmpdir");
// 設置緩衝區大小爲 5M
factory.setSizeThreshold(1024 * 1024 * 5);
// 設置臨時文件夾爲temp
factory.setRepository(new File(temp));
// 用工廠實例化上傳組件,ServletFileUpload 用來解析文件上傳請求
ServletFileUpload servletFileUpload = new ServletFileUpload(factory);
// 解析結果放在List中
try {
List<FileItem> list = servletFileUpload.parseRequest(request);
for (FileItem item : list) {
String name = item.getFieldName();
InputStream is = item.getInputStream();
if (name.contains("content")) {
System.out.println(inputStream2String(is));
} else if (name.contains("img")) {
try {
path = upload+"\\"+item.getName();
inputStream2File(is, path);
break;
} catch (Exception e) {
e.printStackTrace();
}
}
}
out.write(path); //這裏我把服務端成功後,返回給客戶端的是上傳成功後路徑
} catch (FileUploadException e) {
e.printStackTrace();
System.out.println("failure");
out.write("failure");
}
out.flush();
out.close();
}
// 流轉化成字符串
public static String inputStream2String(InputStream is) throws IOException {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
int i = -1;
while ((i = is.read()) != -1) {
baos.write(i);
}
return baos.toString();
}
// 流轉化成文件
public static void inputStream2File(InputStream is, String savePath) throws Exception {
System.out.println("文件保存路徑爲:" + savePath);
File file = new File(savePath);
InputStream inputSteam = is;
BufferedInputStream fis = new BufferedInputStream(inputSteam);
FileOutputStream fos = new FileOutputStream(file);
int f;
while ((f = fis.read()) != -1) {
fos.write(f);
}
fos.flush();
fos.close();
fis.close();
inputSteam.close();
}
}
ok了,這樣就大功告成了,多整理以後好用得着。
注意: 本文由 微信媽媽(公衆號買賣ontaobao.cn) 編輯整理, 轉載地址 https://my.oschina.net/u/2008084/blog/524937