public static String ScreamToString(InputStream in) throws Exception{
//定义一个内存输出流
ByteArrayOutputStream out = new ByteArrayOutputStream();
int len=0;
byte[] bt=new byte[1024];
while((len=in.read(bt))!=-1){
out.write(bt,0,len);
}
String content=new String(out.toByteArray());
// String content=new String(out.toByteArray(),"gbk");//使用构造函数,不指定编码，默认是utf-8
return content; }
