版权声明:本文为博主原创文章,未经博主允许不得转载。 https://blog.csdn.net/haoranhaoshi/article/details/84853047
URL url = null;
try {
System.out.println(urlString);
url = new URL(urlString);
} catch (MalformedURLException e) {
e.printStackTrace();
}
HttpURLConnection httpURLConnection = null;
try {
httpURLConnection = (HttpURLConnection) url.openConnection();
} catch (IOException e) {
e.printStackTrace();
}
try {
InputStream inputStream = httpURLConnection.getInputStream();
// 避免请求时因网络质量导致得到的空数据
/** while(inputStream.available() == 0){
inputStream = httpURLConnection.getInputStream();
} */
/** 更新:网络阻塞时inputstream可能获取不全,采用与httpURLConnection.getContentLength()对比的方式,得到完整inputstream */
int length = inputStream.available();
while(length != httpURLConnection.getContentLength()){
inputStream = httpURLConnection.getInputStream();
length = inputStream.available();
}
} catch (IOException e) {
e.printStackTrace();
}