是网络故障 还是终端问题 到底哪个东西不对了 我改还不...

深圳网站备案

/**
* @param httpUrl 网络路径
* @param path        本地路径
*/
public void writefile(String httpUrl, String path) {
// //////////////////////////////读
try {
URL url=new URL(httpUrl);
URLConnection conn = url.openConnection();
conn.setConnectTimeout(5000);//延迟5秒
InputStream datain = conn.getInputStream();
List list = new ArrayList();
int mark = 1;
while (mark != -1) {
byte[] b = new byte[1024];
mark = datain.read(b);
list.add(b);
}
datain.close();
/////////////////////////////////写
File wr_file = new File(path);
FileOutputStream out = new FileOutputStream(wr_file);
BufferedOutputStream buffer = new BufferedOutputStream(out);
DataOutputStream dataout = new DataOutputStream(buffer);
for (int i = 0; i < list.size()-1; i++) {
byte[] out_b = (byte[]) list.get(i);
dataout.write(out_b);
}
dataout.close();
buffer.close();
out.close();
list=null;
} catch (Exception e) {
e.printStackTrace();
}
}

欧阳芬玲

。。。