Android文件上传和下载 iframe
上传：
@CMPlugin
public class HDFSUpload extends CMPluginImpl {
private String localFilePath = "0";
public void setLocalFilePath(String path)
{
this.localFilePath = path;
}
public String getLocalFilePath()
{
return this.localFilePath;
}
public void postFileMultiPart(String url,Map reqParam,String callback) throws ClientProtocolException, IOException {
CloseableHttpClient httpclient = HttpClients.createDefault();
try {
// 创建httpget.
HttpPost httppost = new HttpPost(url);
//setConnectTimeout：设置连接超时时间，单位毫秒。setConnectionRequestTimeout：设置从connect Manager获取Connection 超时时间，单位毫秒。这个属性是新加的属性，因为目前版本是可以共享连接池的。setSocketTimeout：请求获取数据的超时时间，单位毫秒。 如果访问一个接口，多少时间内无法返回数据，就直接放弃此次调用。
RequestConfig defaultRequestConfig = RequestConfig.custom().setConnectTimeout(5000).setConnectionRequestTimeout(5000).setSocketTimeout(15000).build();
httppost.setConfig(defaultRequestConfig);
MultipartEntityBuilder multipartEntityBuilder = MultipartEntityBuilder.create();
for(Map.Entry param : reqParam.entrySet()){
multipartEntityBuilder.addPart(param.getKey(), param.getValue());
}
HttpEntity reqEntity = multipartEntityBuilder.build();
httppost.setEntity(reqEntity);
// 执行post请求.
CloseableHttpResponse response = httpclient.execute(httppost);
try {
// 获取响应实体
HttpEntity entity = response.getEntity();
String ret = getLocalFilePath();
if (entity != null) {
webviewpost(ret,callback);
}else{
webviewpost("error",callback);
}
} finally {
response.close();
}
} finally {
// 关闭连接,释放资源
try {
httpclient.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
@CMPluginMethod
public void upload(JSONObject jsonObj) {
// TODO Auto-generated method stub
String url = "";
try {
String localFileName = jsonObj.getString("filepaths");
String callback = jsonObj.getString("callback");
Map reqParam = new HashMap();
if (localFileName.indexOf("data:image/png;base64") > -1) {
String[] fileNameArr = localFileName.split("&");
String fileName = fileNameArr[0];
String file = fileNameArr[1];
String filenameTemp = fileNameArr[0];
String dir = fileNameArr[3];
// url="http://106.3.145.71:49870/DataCenter/service/hadoop/hdfs/uploadFile?path=hxywxt/mobile/"+dir+"&user=hxywxt-tenant";
// url="http://10.72.95.175:8080/DataCenter/service/hadoop/hdfs/uploadFile?path=hxywxt/mobile/"+dir+"&user=hxywxt-tenant";
url="http://10.24.19.86:8099/API/uploadFile?path=hxywxt/mobile/"+dir+"&user=hxywxt-tenant";
reqParam.put("Filename", new StringBody(fileName, ContentType.MULTIPART_FORM_DATA));
reqParam.put("pictitle", new StringBody(fileName, ContentType.MULTIPART_FORM_DATA));
reqParam.put("fileName", new StringBody(fileName, ContentType.MULTIPART_FORM_DATA));
String cacheDir = context.getExternalCacheDir().getPath();
filenameTemp = cacheDir+"/"+filenameTemp;
base64ToFile(file,filenameTemp);
File fileTemp = new File(filenameTemp);
reqParam.put("upfile", new FileBody(fileTemp));
} else {
String[] fileNameArr = localFileName.split("&");
String fileName = fileNameArr[0];
String dir = fileNameArr[1];
// url="http://106.3.145.71:49870/DataCenter/service/hadoop/hdfs/uploadFile?path=hxywxt/mobile/"+dir+"&user=hxywxt-tenant";
//url="http://10.200.64.94:8099/API/uploadFile?path=hxywxt/mobile/"+dir+"&user=hxywxt-tenant";
url="http://10.24.19.86:8099/API/uploadFile?path=hxywxt/mobile/"+dir+"&user=hxywxt-tenant";
reqParam.put("Filename", new StringBody(fileName, ContentType.MULTIPART_FORM_DATA));
reqParam.put("pictitle", new StringBody(fileName, ContentType.MULTIPART_FORM_DATA));
reqParam.put("fileName", new StringBody(fileName, ContentType.MULTIPART_FORM_DATA));
reqParam.put("upfile", new FileBody(new File(fileName)));
}
reqParam.put("dir", new StringBody("upload1", ContentType.MULTIPART_FORM_DATA));
reqParam.put("fileNameFormat", new StringBody("{time}{rand:6}", ContentType.MULTIPART_FORM_DATA));
reqParam.put("Upload", new StringBody("Submit Query", ContentType.MULTIPART_FORM_DATA));
try {
postFileMultiPart(url, reqParam, callback);
} catch (ClientProtocolException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}catch(Exception e)
{
e.printStackTrace();
}
}
private void webviewpost(final String ret,final String callback) {
if (webView == null || StringUtil.isEmpty(callback)) {
return;
}
webView.post(new Runnable() {
String ret1 = ret.replaceAll("\\\\r\\\\n", "\n");
@Override
public void run() {
webView.loadUrl(String.format("javascript:"+callback+"('"+ret1+"')"));
}
});
}
public void base64ToFile(String base64,String filenameTemp)throws Exception{
BASE64Decoder decoder = new BASE64Decoder();
int m=base64.indexOf("base64");
base64=base64.substring(m+7);
byte[] bytes = decoder.decodeBuffer(base64);
OutputStream out=new FileOutputStream(filenameTemp);
out.write(bytes);
out.flush();
out.close();
setLocalFilePath(filenameTemp);
}
}
/*
class MutliThread extends Thread{
String url="";
String reqParam="";
String callback="";
MutliThread(String url,String reqParam,String callback){
postFileMultiPart(url, reqParam, callback);
};
public void run(){
postFileMultiPart(url, reqParam, callback);
}
}*/
下载：
@CMPlugin
public class HDFSdownLoad extends CMPluginImpl {
//wwl 重写delete方法
@CMPluginMethod
public void delete(JSONObject jsonObj) throws JSONException {
String localFileName = jsonObj.getString("filepaths");
String[] fileNameArr = localFileName.split("&");
String fileName = fileNameArr[0];
String dir = fileNameArr[1];
// String urlPath="http://106.3.145.71:49870/DataCenter/service/hadoop/hdfs/deleteFile?filePath=hxywxt/mobile/"+dir+"/"+fileName+"&recursion=true&user=hxywxt-tenant";
String urlPath="http://10.24.19.86:8099/API/deleteFile?filePath=hxywxt/mobile/"+dir+"/"+fileName+"&recursion=true&user=hxywxt-tenant";
String callback = jsonObj.getString("callback");
//请求的url
URL url = null;
//建立的http链接
HttpURLConnection httpConn = null;
//请求的输入流
BufferedReader in = null;
//输入流的缓冲
StringBuffer sb = new StringBuffer();
try{
url = new URL(urlPath);
in = new BufferedReader(new InputStreamReader(url.openStream(),"UTF-8") );
String str = null;
//一行一行进行读入
while((str = in.readLine()) != null) {
sb.append( str );
}
String result =sb.toString();
webviewpost(result,callback,"");
} catch (Exception ex) {
} finally{
try{
if(in!=null) {
in.close(); //关闭流
}
}catch(IOException ex) {
}
}
}
@CMPluginMethod
public void downLoad(JSONObject jsonObj) throws JSONException {
String localFileName = jsonObj.getString("filepaths");
String target = jsonObj.getString("target");
String wjlj = jsonObj.getString("wjlj");
// String urlPath="http://106.3.145.71:49870/DataCenter/service/hadoop/hdfs/download?src=hxywxt/mobile/"+wjlj+"/"+localFileName+"&user=hxywxt-tenant";
String urlPath="http://10.24.19.86:8099/API/download?src=hxywxt/mobile/"+wjlj+"/"+localFileName+"&user=hxywxt-tenant";
String httpRes = null;
String callback = jsonObj.getString("callback");
String media = jsonObj.getString("media");
try {
URL url = new URL(urlPath);
try {
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
conn.setRequestProperty("accept", "*/*");
conn.setRequestProperty("connection", "Keep-Alive");
conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)");
conn.setDoOutput(true);
conn.setDoInput(true);
InputStream is = conn.getInputStream();
String headFileName = conn.getHeaderField("Content-disposition");
String cacheDir = context.getExternalCacheDir().getPath();
String full = "";
if (media != null && !"".equals(media)){
full = target;
} else {
full = cacheDir+"/"+target;
}
//构造一个字符流缓存
String folderPath = full.substring(0,full.lastIndexOf("/"));
File folder = new File(folderPath);
folder.mkdirs();
File file = new File(full);
if (!file.exists()){
file.createNewFile();
}
FileOutputStream fos = new FileOutputStream(file);
byte[] buffer = new byte[1024];
String str = "";
int len = 0;
while ((len = is.read(buffer)) != -1) {
fos.write(buffer,0,len);
}
FileInputStream fis = new FileInputStream(full);
while( fis.read(buffer) > 0){
String strBuff = new String(buffer).substring(0,5);
if (strBuff.startsWith("true")||strBuff.startsWith("false"))
{
file.delete();
webviewpost("0",callback,media);
return;
}
// System.out.println(buffer);
}
//关闭流
is.close();
//断开连接，最好写上，disconnect是在底层tcp socket链接空闲时才切断。如果正在被其他线程使用就不切断。
//固定多线程的话，如果不disconnect，链接会增多，直到收发不出信息。写上disconnect后正常一些。
conn.disconnect();
webviewpost(full,callback,media);
// System.out.println("完整结束");
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
} catch (MalformedURLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
/**
* 下载头像
* @param jsonObj
* @throws JSONException
*/
@CMPluginMethod
public void downLoadTx(JSONObject jsonObj) throws JSONException {
String wjlj = jsonObj.getString("wjlj");
// String urlPath="http://106.3.145.71:49870/DataCenter/service/hadoop/hdfs/download?src=hxywxt/mobile/"+wjlj+"/"+localFileName+"&user=hxywxt-tenant";
// String urlPath="http://10.200.64.94:8099/API/downloadTx?src=hxywxt/mobile/"+wjlj+""+"&user=hxywxt-tenant";
String urlPath="http://10.24.19.86:8099/API/downloadTx?src=hxywxt/mobile/"+wjlj+""+"&user=hxywxt-tenant";
String httpRes = null;
String callback = jsonObj.getString("callback");
// String media = jsonObj.getString("media");
try {
URL url = new URL(urlPath);
try {
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
conn.setRequestProperty("accept", "*/*");
conn.setRequestProperty("connection", "Keep-Alive");
conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)");
conn.setDoOutput(true);
conn.setDoInput(true);
InputStream is = conn.getInputStream();
String headAllFileName = conn.getHeaderField("Content-disposition");
String headFileName = headAllFileName.substring("attachementfilename=".length()+2,headAllFileName.length()-1);
String cacheDir = context.getExternalCacheDir().getPath();
String full = "";
full = cacheDir+"/tx/"+headFileName;
//构造一个字符流缓存
String folderPath = full.substring(0,full.lastIndexOf("/"));
File folder = new File(folderPath);
folder.mkdirs();
File file = new File(full);
if (!file.exists()){
file.createNewFile();
}
FileOutputStream fos = new FileOutputStream(file);
byte[] buffer = new byte[1024];
String str = "";
int len = 0;
while ((len = is.read(buffer)) != -1) {
fos.write(buffer,0,len);
}
FileInputStream fis = new FileInputStream(full);
while( fis.read(buffer) > 0){
String strBuff = new String(buffer).substring(0,5);
if (strBuff.startsWith("true")||strBuff.startsWith("false"))
{
file.delete();
webviewpost("0",callback,"0");
return;
}
// System.out.println(buffer);
}
//关闭流
is.close();
//断开连接，最好写上，disconnect是在底层tcp socket链接空闲时才切断。如果正在被其他线程使用就不切断。
//固定多线程的话，如果不disconnect，链接会增多，直到收发不出信息。写上disconnect后正常一些。
conn.disconnect();
webviewpost(full,callback,"0");
// System.out.println("完整结束");
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
} catch (MalformedURLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
private void webviewpost(final String ret,final String callback,final String media) {
if (webView == null || StringUtil.isEmpty(callback)) {
return;
}
webView.post(new Runnable() {
String ret1 = ret.replaceAll("\\\\r\\\\n", "\n");
@Override
public void run() {
webView.loadUrl(String.format("javascript:"+callback+"('"+ret1+"','"+media+"')"));
}
});
}
}
获取iframe中的元素
//iiframe加载完成之后执行，修改iframe元素的属性，屏蔽点击事件，如果不屏蔽的话，跳转到相应的网页，不能返回到app中
function finishLoad(){
var test = document.getElementById('tianqiiframe').contentWindow.document.getElementsByTagName("a");
console.log(test);
for (var i = 0;i < test.length;i++){
if (test[i].innerHTML == "更换城市" || test[i].innerHTML == "返回" ){
;
}
else{
test[i].setAttribute("href","javascript:void(0)");
test[i].setAttribute("target","");
}
}
}