Android 仿照微信发说说,既能实现拍照,选图库,多图案上传 使用Retrofit2.0技术
原文链接:http://blog.csdn.net/u010046908/article/details/50767904
最近项目做完了,有闲暇时间,一直想做一个类似微信中微信发说说,既能实现拍照,选图库,多图案上传的案例,目前好多App都有类似微信朋友圈的功能,能过发表说说等附带图片上传。下面的就是实现该功能的过程:大家还没有看过Android Retrofit 2.0框架上传图片解决方案(一张与多张的处理)这篇文章,在看今天的就很容易,接在本项目中用到了一个library:photopicker,封装了图片的选择功能,是否选相机,还有选中图片后可以查看图片的功能。
(1)、先简单讲解一下PhotoPickerIntent的用法:
![](https://code.csdn.net/assets/CODE_ico.png)
- PhotoPickerIntent intent = new PhotoPickerIntent(MainActivity.this);
- intent.setSelectModel(SelectModel.MULTI); //
- intent.setShowCarema(true); // 是否显示拍照
- intent.setMaxTotal(6); // 最多选择照片数量,默认为6
- intent.setSelectedPaths(imagePaths); // 已选中的照片地址, 用于回显选中状态
- startActivityForResult(intent, REQUEST_CAMERA_CODE);
![](http://static.blog.csdn.net/images/save_snippets.png)
PhotoPickerIntent intent = new PhotoPickerIntent(MainActivity.this); intent.setSelectModel(SelectModel.MULTI); //intent.setShowCarema(true); // 是否显示拍照 intent.setMaxTotal(6); // 最多选择照片数量,默认为6 intent.setSelectedPaths(imagePaths); // 已选中的照片地址, 用于回显选中状态 startActivityForResult(intent, REQUEST_CAMERA_CODE);
(2)、设置好之后,重写onActivityResult方法处理选中图片和预览加载适配器
![](https://code.csdn.net/assets/CODE_ico.png)
- @Override
- protected void onActivityResult(int requestCode, int resultCode, Intent data) {
- super.onActivityResult(requestCode, resultCode, data);
- if(resultCode == RESULT_OK) {
- switch (requestCode) {
- // 选择照片
- case REQUEST_CAMERA_CODE:
- loadAdpater(data.getStringArrayListExtra(PhotoPickerActivity.EXTRA_RESULT));
- break;
- // 预览
- case REQUEST_PREVIEW_CODE:
- loadAdpater(data.getStringArrayListExtra(PhotoPreviewActivity.EXTRA_RESULT));
- break;
- }
- }
- }
![](http://static.blog.csdn.net/images/save_snippets.png)
@Overrideprotected void onActivityResult(int requestCode, int resultCode, Intent data) {super.onActivityResult(requestCode, resultCode, data);if(resultCode == RESULT_OK) {switch (requestCode) {// 选择照片case REQUEST_CAMERA_CODE:loadAdpater(data.getStringArrayListExtra(PhotoPickerActivity.EXTRA_RESULT));break;// 预览case REQUEST_PREVIEW_CODE:loadAdpater(data.getStringArrayListExtra(PhotoPreviewActivity.EXTRA_RESULT));break;}}}
二、重点在GridAdapter
![](https://code.csdn.net/assets/CODE_ico.png)
- imagePaths.add("000000");
![](http://static.blog.csdn.net/images/save_snippets.png)
imagePaths.add("000000");
2.根据路径判断选中的图片。如果超过6张,默认路径从集合中移除。
![](https://code.csdn.net/assets/CODE_ico.png)
- private class GridAdapter extends BaseAdapter{
- private ArrayList<String> listUrls;
- private LayoutInflater inflater;
- public GridAdapter(ArrayList<String> listUrls) {
- this.listUrls = listUrls;
- if(listUrls.size() == 7){
- listUrls.remove(listUrls.size()-1);
- }
- inflater = LayoutInflater.from(MainActivity.this);
- }
- public int getCount(){
- return listUrls.size();
- }
- @Override
- public String getItem(int position) {
- return listUrls.get(position);
- }
- @Override
- public long getItemId(int position) {
- return position;
- }
- @Override
- public View getView(int position, View convertView, ViewGroup parent) {
- ViewHolder holder = null;
- if (convertView == null) {
- holder = new ViewHolder();
- convertView = inflater.inflate(R.layout.item_image, parent,false);
- holder.image = (ImageView) convertView.findViewById(R.id.imageView);
- convertView.setTag(holder);
- } else {
- holder = (ViewHolder)convertView.getTag();
- }
- final String path=listUrls.get(position);
- if (path.equals("000000")){
- holder.image.setImageResource(R.mipmap.ic_launcher);
- }else {
- Glide.with(MainActivity.this)
- .load(path)
- .placeholder(R.mipmap.default_error)
- .error(R.mipmap.default_error)
- .centerCrop()
- .crossFade()
- .into(holder.image);
- }
- return convertView;
- }
- class ViewHolder {
- ImageView image;
- }
- }
- }
![](http://static.blog.csdn.net/images/save_snippets.png)
private class GridAdapter extends BaseAdapter{private ArrayList<String> listUrls;private LayoutInflater inflater;public GridAdapter(ArrayList<String> listUrls) {this.listUrls = listUrls;if(listUrls.size() == 7){listUrls.remove(listUrls.size()-1);}inflater = LayoutInflater.from(MainActivity.this);}public int getCount(){return listUrls.size();}@Overridepublic String getItem(int position) {return listUrls.get(position);}@Overridepublic long getItemId(int position) {return position;}@Overridepublic View getView(int position, View convertView, ViewGroup parent) {ViewHolder holder = null;if (convertView == null) {holder = new ViewHolder();convertView = inflater.inflate(R.layout.item_image, parent,false);holder.image = (ImageView) convertView.findViewById(R.id.imageView);convertView.setTag(holder);} else {holder = (ViewHolder)convertView.getTag();}final String path=listUrls.get(position);if (path.equals("000000")){holder.image.setImageResource(R.mipmap.ic_launcher);}else {Glide.with(MainActivity.this).load(path).placeholder(R.mipmap.default_error).error(R.mipmap.default_error).centerCrop().crossFade().into(holder.image);}return convertView;}class ViewHolder {ImageView image;}}
}
三、上传管理类
![](https://code.csdn.net/assets/CODE_ico.png)
- /**
- * Created by lidong on 2016/1/28.
- */
- public class FileUploadManager {
- private static final String ENDPOINT = "http://192.168.1.21:8080";
- private static String TAG = FileUploadManager.class.getSimpleName();
- public interface FileUploadService {
- /**
- * 上传一张图片
- * @param description
- * @param imgs
- * @return
- */
- @Multipart
- @POST("/upload")
- Call<String> uploadImage(@Part("fileName") String description,
- @Part("file\"; filename=\"image.png\"") RequestBody imgs);
- /**
- * 上传6张图片
- * @param description
- * @param imgs1
- * @param imgs2
- * @param imgs3
- * @param imgs4
- * @param imgs5
- * @param imgs6
- * @return
- */
- @Multipart
- @POST("/upload")
- Call<String> uploadImage(@Part("description") String description,
- @Part("file\"; filename=\"image.png\"") RequestBody imgs1,
- @Part("file\"; filename=\"image.png\"") RequestBody imgs2,
- @Part("file\"; filename=\"image.png\"") RequestBody imgs3,
- @Part("file\"; filename=\"image.png\"") RequestBody imgs4,
- @Part("file\"; filename=\"image.png\"") RequestBody imgs5,
- @Part("file\"; filename=\"image.png\"") RequestBody imgs6);
- /**
- * 简便写法
- * @param description
- * @param imgs1
- * @return
- */
- @Multipart
- @POST("/upload")
- Call<String> uploadImage(@Part("description") String description,@PartMap
- Map<String, RequestBody> imgs1);
- }
- private static final Retrofit sRetrofit = new Retrofit .Builder()
- .baseUrl(ENDPOINT)
- .addConverterFactory(GsonConverterFactory.create())
- .build();
- private static final FileUploadService apiManager = sRetrofit.create(FileUploadService.class);
- /**
- * 发说说
- * @param paths
- * @param desp
- */
- public static void upload(ArrayList<String> paths,String desp){
- RequestBody[] requestBody= new RequestBody[6];
- if (paths.size()>0) {
- for (int i=0;i<paths.size();i++) {
- requestBody[i] =
- RequestBody.create(MediaType.parse("multipart/form-data"), new File(paths.get(i)));
- }
- }
- Call<String> call = apiManager.uploadImage( desp,requestBody[0],requestBody[1],requestBody[2],requestBody[3],requestBody[4],requestBody
- [5]);
- call.enqueue(new Callback<String>() {
- @Override
- public void onResponse(Call<String> call, Response<String> response) {
- Log.d(TAG, "onResponse() called with: " + "call = [" + call + "], response = [" + response + "]");
- }
- @Override
- public void onFailure(Call<String> call, Throwable t) {
- Log.d(TAG, "onFailure() called with: " + "call = [" + call + "], t = [" + t + "]");
- }
- });
- }<pre name="code" class="java"> /**
- *
- * @param paths
- * @param desp
- */
- public static void uploadMany(ArrayList<String> paths,String desp){
- Map<String,RequestBody> photos = new HashMap<>();
- if (paths.size()>0) {
- for (int i=0;i<paths.size();i++) {
- String substring = paths.get(i).substring(paths.get(i).lastIndexOf("/") + 1, paths.get(i).length());
- photos.put("file\"; filename="+substring, RequestBody.create(MediaType.parse("multipart/form-data"), new File(paths.get(i))));
- }
- }
- Call<String> stringCall = apiManager.uploadImage(desp, photos);
- stringCall.enqueue(new Callback<String>() {
- @Override
- public void onResponse(Call<String> call, Response<String> response) {
- Log.d(TAG, "onResponse() called with: " + "call = [" + call + "], response = [" + response + "]");
- }
- @Override
- public void onFailure(Call<String> call, Throwable t) {
- Log.d(TAG, "onFailure() called with: " + "call = [" + call + "], t = [" + t + "]");
- }
- });
- }
![](http://static.blog.csdn.net/images/save_snippets.png)
/*** Created by lidong on 2016/1/28.*/
public class FileUploadManager {private static final String ENDPOINT = "http://192.168.1.21:8080";private static String TAG = FileUploadManager.class.getSimpleName();public interface FileUploadService {/*** 上传一张图片* @param description* @param imgs* @return*/@Multipart@POST("/upload")Call<String> uploadImage(@Part("fileName") String description,@Part("file\"; filename=\"image.png\"") RequestBody imgs);/*** 上传6张图片* @param description* @param imgs1* @param imgs2* @param imgs3* @param imgs4* @param imgs5* @param imgs6* @return*/@Multipart@POST("/upload")Call<String> uploadImage(@Part("description") String description,@Part("file\"; filename=\"image.png\"") RequestBody imgs1,@Part("file\"; filename=\"image.png\"") RequestBody imgs2,@Part("file\"; filename=\"image.png\"") RequestBody imgs3,@Part("file\"; filename=\"image.png\"") RequestBody imgs4,@Part("file\"; filename=\"image.png\"") RequestBody imgs5,@Part("file\"; filename=\"image.png\"") RequestBody imgs6);/*** 简便写法* @param description* @param imgs1* @return*/@Multipart@POST("/upload")Call<String> uploadImage(@Part("description") String description,@PartMapMap<String, RequestBody> imgs1);}private static final Retrofit sRetrofit = new Retrofit .Builder().baseUrl(ENDPOINT).addConverterFactory(GsonConverterFactory.create()).build();private static final FileUploadService apiManager = sRetrofit.create(FileUploadService.class);/*** 发说说* @param paths* @param desp*/public static void upload(ArrayList<String> paths,String desp){RequestBody[] requestBody= new RequestBody[6];if (paths.size()>0) {for (int i=0;i<paths.size();i++) {requestBody[i] =RequestBody.create(MediaType.parse("multipart/form-data"), new File(paths.get(i)));}}Call<String> call = apiManager.uploadImage( desp,requestBody[0],requestBody[1],requestBody[2],requestBody[3],requestBody[4],requestBody[5]);call.enqueue(new Callback<String>() {@Overridepublic void onResponse(Call<String> call, Response<String> response) {Log.d(TAG, "onResponse() called with: " + "call = [" + call + "], response = [" + response + "]");}@Overridepublic void onFailure(Call<String> call, Throwable t) {Log.d(TAG, "onFailure() called with: " + "call = [" + call + "], t = [" + t + "]");}});}<pre name="code" class="java"> /**** @param paths* @param desp*/public static void uploadMany(ArrayList<String> paths,String desp){Map<String,RequestBody> photos = new HashMap<>();if (paths.size()>0) {for (int i=0;i<paths.size();i++) {String substring = paths.get(i).substring(paths.get(i).lastIndexOf("/") + 1, paths.get(i).length());photos.put("file\"; filename="+substring, RequestBody.create(MediaType.parse("multipart/form-data"), new File(paths.get(i))));}}Call<String> stringCall = apiManager.uploadImage(desp, photos);stringCall.enqueue(new Callback<String>() {@Overridepublic void onResponse(Call<String> call, Response<String> response) {Log.d(TAG, "onResponse() called with: " + "call = [" + call + "], response = [" + response + "]");}@Overridepublic void onFailure(Call<String> call, Throwable t) {Log.d(TAG, "onFailure() called with: " + "call = [" + call + "], t = [" + t + "]");}});}
四、项目代码
![](https://code.csdn.net/assets/CODE_ico.png)
- package com.lidong.photopickersample;
- import android.content.Intent;
- import android.os.Bundle;
- import android.support.v7.app.AppCompatActivity;
- import android.util.Log;
- import android.view.LayoutInflater;
- import android.view.View;
- import android.view.ViewGroup;
- import android.widget.AdapterView;
- import android.widget.BaseAdapter;
- import android.widget.Button;
- import android.widget.EditText;
- import android.widget.GridView;
- import android.widget.ImageView;
- import com.bumptech.glide.Glide;
- import com.lidong.photopicker.ImageCaptureManager;
- import com.lidong.photopicker.PhotoPickerActivity;
- import com.lidong.photopicker.PhotoPreviewActivity;
- import com.lidong.photopicker.SelectModel;
- import com.lidong.photopicker.intent.PhotoPickerIntent;
- import com.lidong.photopicker.intent.PhotoPreviewIntent;
- import org.json.JSONArray;
- import java.util.ArrayList;
- /**
- * @
- * @author lidong
- * @date 2016-02-29
- */
- public class MainActivity extends AppCompatActivity {
- private static final int REQUEST_CAMERA_CODE = 10;
- private static final int REQUEST_PREVIEW_CODE = 20;
- private ArrayList<String> imagePaths = new ArrayList<>();
- private ImageCaptureManager captureManager; // 相机拍照处理类
- private GridView gridView;
- private GridAdapter gridAdapter;
- private Button mButton;
- private String depp;
- private EditText textView;
- private String TAG =MainActivity.class.getSimpleName();
- @Override
- protected void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- setContentView(R.layout.activity_main);
- gridView = (GridView) findViewById(R.id.gridView);
- mButton = (Button) findViewById(R.id.button);
- textView= (EditText)findViewById(R.id.et_context);
- int cols = getResources().getDisplayMetrics().widthPixels / getResources().getDisplayMetrics().densityDpi;
- cols = cols < 3 ? 3 : cols;
- gridView.setNumColumns(cols);
- // preview
- gridView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
- @Override
- public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
- String imgs = (String) parent.getItemAtPosition(position);
- if ("000000".equals(imgs) ){
- PhotoPickerIntent intent = new PhotoPickerIntent(MainActivity.this);
- intent.setSelectModel(SelectModel.MULTI);
- intent.setShowCarema(true); // 是否显示拍照
- intent.setMaxTotal(6); // 最多选择照片数量,默认为6
- intent.setSelectedPaths(imagePaths); // 已选中的照片地址, 用于回显选中状态
- startActivityForResult(intent, REQUEST_CAMERA_CODE);
- }else{
- PhotoPreviewIntent intent = new PhotoPreviewIntent(MainActivity.this);
- intent.setCurrentItem(position);
- intent.setPhotoPaths(imagePaths);
- startActivityForResult(intent, REQUEST_PREVIEW_CODE);
- }
- }
- });
- imagePaths.add("000000");
- gridAdapter = new GridAdapter(imagePaths);
- gridView.setAdapter(gridAdapter);
- mButton.setOnClickListener(new View.OnClickListener() {
- @Override
- public void onClick(View v) {
- depp =textView.getText().toString().trim()!=null?textView.getText().toString().trim():"woowoeo";
- new Thread(){
- @Override
- public void run() {
- super.run();
- FileUploadManager.uploadMany(imagePaths, depp);
- // FileUploadManager.upload(imagePaths,depp);
- }
- }.start();
- }
- });
- }
- @Override
- protected void onResume() {
- super.onResume();
- }
- @Override
- protected void onActivityResult(int requestCode, int resultCode, Intent data) {
- super.onActivityResult(requestCode, resultCode, data);
- if(resultCode == RESULT_OK) {
- switch (requestCode) {
- // 选择照片
- case REQUEST_CAMERA_CODE:
- ArrayList<String> list = data.getStringArrayListExtra(PhotoPickerActivity.EXTRA_RESULT);
- Log.d(TAG, "list: " + "list = [" + list.size());
- loadAdpater(list);
- break;
- // 预览
- case REQUEST_PREVIEW_CODE:
- ArrayList<String> ListExtra = data.getStringArrayListExtra(PhotoPreviewActivity.EXTRA_RESULT);
- Log.d(TAG, "ListExtra: " + "ListExtra = [" + ListExtra.size());
- loadAdpater(ListExtra);
- break;
- }
- }
- }
- private void loadAdpater(ArrayList<String> paths){
- if (imagePaths!=null&& imagePaths.size()>0){
- imagePaths.clear();
- }
- if (paths.contains("000000")){
- paths.remove("000000");
- }
- paths.add("000000");
- imagePaths.addAll(paths);
- gridAdapter = new GridAdapter(imagePaths);
- gridView.setAdapter(gridAdapter);
- try{
- JSONArray obj = new JSONArray(imagePaths);
- Log.e("--", obj.toString());
- }catch (Exception e){
- e.printStackTrace();
- }
- }
- private class GridAdapter extends BaseAdapter{
- private ArrayList<String> listUrls;
- private LayoutInflater inflater;
- public GridAdapter(ArrayList<String> listUrls) {
- this.listUrls = listUrls;
- if(listUrls.size() == 7){
- listUrls.remove(listUrls.size()-1);
- }
- inflater = LayoutInflater.from(MainActivity.this);
- }
- public int getCount(){
- return listUrls.size();
- }
- @Override
- public String getItem(int position) {
- return listUrls.get(position);
- }
- @Override
- public long getItemId(int position) {
- return position;
- }
- @Override
- public View getView(int position, View convertView, ViewGroup parent) {
- ViewHolder holder = null;
- if (convertView == null) {
- holder = new ViewHolder();
- convertView = inflater.inflate(R.layout.item_image, parent,false);
- holder.image = (ImageView) convertView.findViewById(R.id.imageView);
- convertView.setTag(holder);
- } else {
- holder = (ViewHolder)convertView.getTag();
- }
- final String path=listUrls.get(position);
- if (path.equals("000000")){
- holder.image.setImageResource(R.mipmap.ic_launcher);
- }else {
- Glide.with(MainActivity.this)
- .load(path)
- .placeholder(R.mipmap.default_error)
- .error(R.mipmap.default_error)
- .centerCrop()
- .crossFade()
- .into(holder.image);
- }
- return convertView;
- }
- class ViewHolder {
- ImageView image;
- }
- }
- }
![](http://static.blog.csdn.net/images/save_snippets.png)
package com.lidong.photopickersample;import android.content.Intent;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.GridView;
import android.widget.ImageView;import com.bumptech.glide.Glide;
import com.lidong.photopicker.ImageCaptureManager;
import com.lidong.photopicker.PhotoPickerActivity;
import com.lidong.photopicker.PhotoPreviewActivity;
import com.lidong.photopicker.SelectModel;
import com.lidong.photopicker.intent.PhotoPickerIntent;
import com.lidong.photopicker.intent.PhotoPreviewIntent;import org.json.JSONArray;import java.util.ArrayList;/*** @* @author lidong* @date 2016-02-29*/
public class MainActivity extends AppCompatActivity {private static final int REQUEST_CAMERA_CODE = 10;private static final int REQUEST_PREVIEW_CODE = 20;private ArrayList<String> imagePaths = new ArrayList<>();private ImageCaptureManager captureManager; // 相机拍照处理类private GridView gridView;private GridAdapter gridAdapter;private Button mButton;private String depp;private EditText textView;private String TAG =MainActivity.class.getSimpleName();@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);gridView = (GridView) findViewById(R.id.gridView);mButton = (Button) findViewById(R.id.button);textView= (EditText)findViewById(R.id.et_context);int cols = getResources().getDisplayMetrics().widthPixels / getResources().getDisplayMetrics().densityDpi;cols = cols < 3 ? 3 : cols;gridView.setNumColumns(cols);// previewgridView.setOnItemClickListener(new AdapterView.OnItemClickListener() {@Overridepublic void onItemClick(AdapterView<?> parent, View view, int position, long id) {String imgs = (String) parent.getItemAtPosition(position);if ("000000".equals(imgs) ){PhotoPickerIntent intent = new PhotoPickerIntent(MainActivity.this);intent.setSelectModel(SelectModel.MULTI);intent.setShowCarema(true); // 是否显示拍照intent.setMaxTotal(6); // 最多选择照片数量,默认为6intent.setSelectedPaths(imagePaths); // 已选中的照片地址, 用于回显选中状态startActivityForResult(intent, REQUEST_CAMERA_CODE);}else{PhotoPreviewIntent intent = new PhotoPreviewIntent(MainActivity.this);intent.setCurrentItem(position);intent.setPhotoPaths(imagePaths);startActivityForResult(intent, REQUEST_PREVIEW_CODE);}}});imagePaths.add("000000");gridAdapter = new GridAdapter(imagePaths);gridView.setAdapter(gridAdapter);mButton.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {depp =textView.getText().toString().trim()!=null?textView.getText().toString().trim():"woowoeo";new Thread(){@Overridepublic void run() {super.run();FileUploadManager.uploadMany(imagePaths, depp);
// FileUploadManager.upload(imagePaths,depp);}}.start();}});}@Overrideprotected void onResume() {super.onResume();}@Overrideprotected void onActivityResult(int requestCode, int resultCode, Intent data) {super.onActivityResult(requestCode, resultCode, data);if(resultCode == RESULT_OK) {switch (requestCode) {// 选择照片case REQUEST_CAMERA_CODE:ArrayList<String> list = data.getStringArrayListExtra(PhotoPickerActivity.EXTRA_RESULT);Log.d(TAG, "list: " + "list = [" + list.size());loadAdpater(list);break;// 预览case REQUEST_PREVIEW_CODE:ArrayList<String> ListExtra = data.getStringArrayListExtra(PhotoPreviewActivity.EXTRA_RESULT);Log.d(TAG, "ListExtra: " + "ListExtra = [" + ListExtra.size());loadAdpater(ListExtra);break;}}}private void loadAdpater(ArrayList<String> paths){if (imagePaths!=null&& imagePaths.size()>0){imagePaths.clear();}if (paths.contains("000000")){paths.remove("000000");}paths.add("000000");imagePaths.addAll(paths);gridAdapter = new GridAdapter(imagePaths);gridView.setAdapter(gridAdapter);try{JSONArray obj = new JSONArray(imagePaths);Log.e("--", obj.toString());}catch (Exception e){e.printStackTrace();}}private class GridAdapter extends BaseAdapter{private ArrayList<String> listUrls;private LayoutInflater inflater;public GridAdapter(ArrayList<String> listUrls) {this.listUrls = listUrls;if(listUrls.size() == 7){listUrls.remove(listUrls.size()-1);}inflater = LayoutInflater.from(MainActivity.this);}public int getCount(){return listUrls.size();}@Overridepublic String getItem(int position) {return listUrls.get(position);}@Overridepublic long getItemId(int position) {return position;}@Overridepublic View getView(int position, View convertView, ViewGroup parent) {ViewHolder holder = null;if (convertView == null) {holder = new ViewHolder();convertView = inflater.inflate(R.layout.item_image, parent,false);holder.image = (ImageView) convertView.findViewById(R.id.imageView);convertView.setTag(holder);} else {holder = (ViewHolder)convertView.getTag();}final String path=listUrls.get(position);if (path.equals("000000")){holder.image.setImageResource(R.mipmap.ic_launcher);}else {Glide.with(MainActivity.this).load(path).placeholder(R.mipmap.default_error).error(R.mipmap.default_error).centerCrop().crossFade().into(holder.image);}return convertView;}class ViewHolder {ImageView image;}}
}
![](https://code.csdn.net/assets/CODE_ico.png)
- <span style="font-size:18px;">@RequestMapping("/upload" )
- public String addUser(@RequestParam("file") CommonsMultipartFile[] files,
- HttpServletRequest request){
- for(int i = 0;i<files.length;i++){
- System.out.println("fileName---------->" + files[i].getOriginalFilename());
- if(!files[i].isEmpty()){
- int pre = (int) System.currentTimeMillis();
- try {
- //拿到输出流,同时重命名上传的文件
- FileOutputStream os = new FileOutputStream("f:/img"+"/" + new Date().getTime()+".jpg");
- //拿到上传文件的输入流
- FileInputStream in = (FileInputStream) files[i].getInputStream();
- //以写字节的方式写文件
- int b = 0;
- while((b=in.read()) != -1){
- os.write(b);
- }
- os.flush();
- os.close();
- in.close();
- int finaltime = (int) System.currentTimeMillis();
- System.out.println(finaltime - pre);
- } catch (Exception e) {
- e.printStackTrace();
- System.out.println("上传出错");
- }
- }
- }
- return "/success";
- } </span>
![](http://static.blog.csdn.net/images/save_snippets.png)
<span style="font-size:18px;">@RequestMapping("/upload" ) public String addUser(@RequestParam("file") CommonsMultipartFile[] files,HttpServletRequest request){ for(int i = 0;i<files.length;i++){ System.out.println("fileName---------->" + files[i].getOriginalFilename()); if(!files[i].isEmpty()){ int pre = (int) System.currentTimeMillis(); try { //拿到输出流,同时重命名上传的文件 FileOutputStream os = new FileOutputStream("f:/img"+"/" + new Date().getTime()+".jpg"); //拿到上传文件的输入流 FileInputStream in = (FileInputStream) files[i].getInputStream(); //以写字节的方式写文件 int b = 0; while((b=in.read()) != -1){ os.write(b); } os.flush(); os.close(); in.close(); int finaltime = (int) System.currentTimeMillis(); System.out.println(finaltime - pre); } catch (Exception e) { e.printStackTrace(); System.out.println("上传出错"); } } } return "/success"; } </span>
![](https://code.csdn.net/assets/CODE_ico.png)
- <span style="font-size:18px;color:#ff6666;">@Controller
- public class UploadFile extends ActionSupport {
- /**
- *
- */
- private static final long serialVersionUID = 1L;
- private File[] file;//文件数组
- private String description;//说说内容
- public File[] getFile() {
- return file;
- }
- public void setFile(File[] file) {
- this.file = file;
- }
- public String getDescription() {
- return description;
- }
- public void setDescription(String description) {
- this.description = description;
- }
- @Action("/upload")
- public void upload() {
- System.out.println("上传的文件="+Arrays.toString(file));
- System.out.println("说说内容="+description);
- }
- }</span>
![](http://static.blog.csdn.net/images/save_snippets.png)
<span style="font-size:18px;color:#ff6666;">@Controller
public class UploadFile extends ActionSupport {/*** */
private static final long serialVersionUID = 1L;private File[] file;//文件数组
private String description;//说说内容
public File[] getFile() {return file;
}
public void setFile(File[] file) {this.file = file;
}public String getDescription() {return description;
}
public void setDescription(String description) {this.description = description;
}
@Action("/upload")
public void upload() {System.out.println("上传的文件="+Arrays.toString(file));System.out.println("说说内容="+description);
}
}</span>
效果展示
![](/assets/blank.gif)
![](/assets/blank.gif)
![](/assets/blank.gif)
Android 仿照微信发说说,既能实现拍照,选图库,多图案上传 使用Retrofit2.0技术相关推荐
- 微信小程序拍照视频上传php,微信小程序-拍照或选择图片并上传文件
微信小程序-拍照或选择图片并上传文件 调用拍照API:https://mp.weixin.qq.com/debug/wxadoc/dev/api/media-picture.html?t=201612 ...
- 微信小程序开发 - 实现pdf、word等格式文件上传到后端的方法
写在前面 我发现,微信的wx.uploadFile接口限制好多,而且会经常性出现bug,所以今天搜了一上午的资料, 看看能不能不要通过这个接口上传multipart/form-data格式的文件. 后 ...
- 微信端图片压缩转base64,然后转file形式上传
<input id="file" type="file" class="upload-file"> <div class= ...
- Android仿微信发图片的样式,做IM的同学的病有救了
一:前言 最近在搞IM,真的特别痛苦.脑袋大,对于我这种菜鸟来说太难了,比现在社会娶个媳妇还难,硬着头皮搞,终于文字,语音,表情搞完了,开始搞图片,看着微信发的图片跟文字,语音有点区别,因为它并没有外 ...
- Android 仿照微信查看大图
效果图如下: 图片 代码如下 import android.annotation.SuppressLint import android.content.Context import android. ...
- Android实现仿微信朋友圈发布动态(拍照、图库选择、照片压缩、显示、保存、缩略图、点击缩略图删除对应文件等)
原址: http://blog.csdn.net/zhang3776813/article/details/52092591 /*** 仿微信朋友圈发布动态* 拍照或图库选择 * 压缩图片并保存**/ ...
- Android实现仿微信朋友圈发布动态(拍照、图库选择、照片压缩、显示、保存、缩略图、点击缩略图删除对应文件等)附源码
原创作品,转载请注明出处:http://blog.csdn.net/zhang3776813/article/details/52092591 最近项目需求中要用到类似微信朋友圈发布 ...
- 微信小程序云开发---vant组件 van-uploader 实现视频文件上传到云存储,发动态功能
pages/upVideo.wxml //获取用户的头像和昵称展示 <view class="headerBox"><image src="{{user ...
- 微信小视频会上传到服务器么,微信新出的视频号功能怎么样发布短视频?能上传一分钟以上吗?...
也许有人会说微信视频号上现在太多专业人士输出的内容,对于一般人来讲机会渺茫,这种说法不符合微信发展视频号的初心,人人都有自己的品牌,就跟公众号一样,视频号还是希望更多普通用户参与创作的,只要内容优质, ...
- 微信支付:小微商户申请入驻第二步:图片上传
回顾 第一步:平台序列号获取 开始图片上传 微信官方图片上传文档 阅读文档可知 请求的url: api.mch.weixin.qq.com/secapi/mch/- 提交方式: multipart/f ...
最新文章
- 暑期大作战 第五天(第四天待补)
- 函数声明末尾的“ const”是什么意思? [重复]
- Java - Get a list of all Classes loaded in the JVM[转]
- InfluxData【环境搭建 02】时序数据库客户端 InfluxCLI 最新版本安装启动验证(在线安装+离线安装及各版本下载地址)
- 如何实现多路海康大华等RTSP数据转RTMP推送
- oracle数据库部署策略,Oracle数据库部署实施流程
- PreparedStatement中in子句的处理
- struts2.xml中使用chain和redirectAction这两个注意事项
- flex blazeds java spring_Flex+Java+Spring+BlazeDS 配置篇说明
- spring 事务传播行为类型
- JustView(Office、CAD)在线预览平台调用说明
- MessageQueue nativePollOnce 一个不一样的 ANR
- 车联网技术 应用场景 各个领域方向(大方向分析)
- 3u VPX主板**
- 连接无线上网服务器能查到吗,网络管理历史-怎样才能不让服务器查到自己上网记录我们单位 – 手机爱问...
- idea自动更新IDE Eval Reset插件安装
- 接口测试的流程和步骤,主要测试哪些方面,测试工具,测试用例,以及测试框架
- 【家庭财务管理系统】
- 技能梳理3@NODEMCU+串口屏+随机抽签+物理按键
- win7开机黑屏,但能看到鼠标
热门文章
- 实时渲染助力教育培训进入元宇宙
- 报错:installer integrity check has failed.
- 51JOB上海地区java招聘职位分析(二)
- 公司自用计算机分录,请教一个会计分录的问题
- ACM经典书籍推荐~~
- 今年双11快递更快了,开了哪些“外挂”?
- 高级搜索设计:如何提升用户体验?
- 6月21日云栖精选夜读丨CCTV5手机客户端新媒体:让赛事集锦堪比电影大片
- apriori算法_原理 + 代码 | Apriori 算法与基于关联规则的购物篮推荐(附源数据)
- mac海岛大亨6模拟经营游戏:Tropico 6 附DLC 19 (907) 激活版