Question

java的HttpClient请求，返回的数据部分乱码，请大侠指点呀！

HttpClient httpClient = new HttpClient();
StringBuilder result = new StringBuilder();
InputStream ins = null;

GetMethod method = new GetMethod(url);
method.getParams().setParameter(HttpMethodParams.RETRY_HANDLER, new DefaultHttpMethodRetryHandler(3, false));

try
{
int statusCode = httpClient.executeMethod(method);
if (statusCode == HttpStatus.SC_OK)
{
ins = method.getResponseBodyAsStream();
byte[] b = new byte[1024];
int r_len = 0;
while ((r_len = ins.read(b)) > 0)
{
result.append(new String(b, 0, r_len, method.getResponseCharSet()));
}
} else
{
System.err.println("Response Code: " + statusCode);
}
} catch (HttpException e)
{
System.err.println("Fatal protocol violation: " + e.getMessage());
}

Answer 1

可以把你的这段代码简化一下

 ins = method.getResponseBodyAsStream();
 byte[] b = new byte[1024];
 int r_len = 0;
 while ((r_len = ins.read(b)) > 0)
  {
       result.append(new String(b, 0, r_len, method.getResponseCharSet()));
  }

替换为：

byte[] ba = method.getResponseBody();
String str= new String(ba,"UTF-8");	//得到指定编码格式的字符串

这里的str就是你的返回值。这段代码我使用过，可以解决乱码问题

Answer 2

编码转换一下