一、准备
准备好三个jar包：1
2
3httpclient-4.3.6.jar
httpcore-4.3.2.jar
httpmime-4.3.6.jar
二、服务端接收代码
使用的是strtus2框架
UploadAction:1
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62public class UploadAction extends BaseAction {
private static final long serialVersionUID = -7303046935729691708L;
private String fileName;
private File file;
private final String DEFAULT_SAVE_PATH = "D:\\data";//默认路径
private String savePath;
public String upload(){
if(fileName != null && file != null){
try {
if(savePath == null || savePath.equals("")){
savePath = DEFAULT_SAVE_PATH;
}
File temp = new File(savePath + File.separator +fileName);
if(!temp.exists()){
file.createNewFile();
}
FileOutputStream fos = new FileOutputStream(temp);
FileInputStream fis = new FileInputStream(file);
int len = -1;
byte[] buf = new byte[1024];
while((len = fis.read(buf)) != -1){
fos.write(buf, 0, len);
}
fos.flush();
fis.close();
fos.close();
} catch (Exception e) {
e.printStackTrace();
}
responseJson.put("msg", "上传文件成功");
}else{
responseJson.put("msg", "上传文件为空的！！！");
}
return SUCCESS;
}
public String getFileName() {
return fileName;
}
public void setFileName(String fileName) {
this.fileName = fileName;
}
public File getFile() {
return file;
}
public void setFile(File file) {
this.file = file;
}
public String getSavePath() {
return savePath;
}
public void setSavePath(String savePath) {
this.savePath = savePath;
}
}
BaseAction:1
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19public class BaseAction extends ActionSupport {
public final boolean DEBUG = true;
private static final long serialVersionUID = 5716179789177779317L;
public static final String CODE = "code";
public static final String STATUS = "status";
public static final String MESSAGE = "message";
public Map<String, Object> responseJson = new HashMap<String, Object>();
public Map<String, Object> getResponseJson() {
return responseJson;
}
public void setResponseJson(Map<String, Object> responseJson) {
this.responseJson = responseJson;
}
}
struts.xml:1
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5<action name="upload" class="com.alisa.schoolapp.action.UploadAction" method="upload">
<result name="success" type="json">
<param name="root">responseJson</param>
</result>
</action>
三、Android上传代码
MainActivity:1
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105public class MainActivity extends Activity implements OnClickListener {
private static final String TAG = "MainActivity";
private EditText et_fileName;
private TextView tv_filePath;
private EditText et_url;
private Button btn_selectFile;
private Button btn_upload;
private File file;
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
initView();
initEvent();
}
private void initEvent() {
btn_selectFile.setOnClickListener(this);
btn_upload.setOnClickListener(this);
}
private void initView() {
btn_selectFile = (Button) findViewById(R.id.btn_selectFile);
btn_upload = (Button) findViewById(R.id.btn_upload);
et_fileName = (EditText) findViewById(R.id.et_fileName);
et_url = (EditText) findViewById(R.id.et_url);
tv_filePath = (TextView) findViewById(R.id.tv_filePath);
}
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
public void onClick(View v) {
switch (v.getId()) {
case R.id.btn_selectFile:
Intent intent = new Intent();
intent.setType("*/*");
intent.setAction(Intent.ACTION_GET_CONTENT);
startActivityForResult(intent, 1);
break;
case R.id.btn_upload:
new Thread(){
public void run() {
String fixname = getSuffixName(file.getName());
uploadFile("http://10.0.2.2:8080/SchoolApp/api/upload",file,System.currentTimeMillis()+"."+fixname,"");
};
}.start();
break;
default:
break;
}
}
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
if(resultCode == RESULT_OK){
Uri uridata = data.getData();
String dataString = data.getDataString();
Log.i(TAG, "uridata="+uridata);
String filePath = dataString.replace("file://", "");
Log.i(TAG, "dataString="+filePath);
tv_filePath.setText(filePath);
file = new File(filePath);
Log.i(TAG, "file="+file.exists()+"#"+file.getName());
}
super.onActivityResult(requestCode, resultCode, data);
}
private void uploadFile(String url,File file,String fileName,String savePath){
try {
HttpClient httpclient = new DefaultHttpClient();
HttpPost httppost = new HttpPost(url);
FileBody fileBody = new FileBody(file);
StringBody fileNameBody = new StringBody(fileName,ContentType.DEFAULT_TEXT);
MultipartEntityBuilder entityBuilder = MultipartEntityBuilder.create();
entityBuilder.addPart("file", fileBody);
entityBuilder.addPart("fileName", fileNameBody);
httppost.setEntity(entityBuilder.build());
HttpResponse response = httpclient.execute(httppost);
if(response.getStatusLine().getStatusCode() == 200){
HttpEntity entity = response.getEntity();
Log.i(TAG, EntityUtils.toString(entity));
}
} catch (Exception e) {
e.printStackTrace();
}
}
private String getSuffixName(String name){
String[] strings = name.split("\\.");
return strings[strings.length - 1];
}
}
四、总结
经测试上传成功，日后可以封装成一个工具类来使用。