/**
*@param pathurl
*@param paramsStr
*@return
*/
private static String postUrlBackStr(String pathurl, String paramsStr) {
String backStr = "";
InputStream inputStream = null;
ByteArrayOutputStream baos = null;
try {
URL url = new URL(pathurl);
HttpURLConnection connection = (HttpURLConnection) ();
// 设定请求的方法为"POST"，默认是GET
("POST");
(50000);
(50000);
// User-Agent IE11 的标识
("User-Agent", "Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.3; Trident/7.0;rv:11.0)like Gecko");
("Accept-Language", "zh-CN");
("Connection", "Keep-Alive");
("Charset", "UTF-8");
/**
* 当我们要获取我们请求的http地址访问的数据时就是使用().read()方式时我们就需要setDoInput(true)，
根据api文档我们可知doInput默认就是为true。我们可以不用手动设置了，如果不需要读取输入流的话那就setDoInput(false)。
当我们要采用非get请求给一个http网络地址传参 就是使用().write() 方法时我们就需要setDoOutput(true), 默认是false
*/
// 设置是否从httpUrlConnection读入，默认情况下是true;
(true);
// 设置是否向httpUrlConnection输出，如果是post请求，参数要放在http正文内，因此需要设为true, 默认是false;
(true);
(false);
/**
* the first way to set params
* OutputStream
*/
/* byte[] bytesParams = ();
// 发送请求params参数
OutputStream outStream=();
(bytesParams);
();
*/
/**
* the second way to set params
* PrintWriter
*/
/* PrintWriter printWriter = new PrintWriter(());
//PrintWriter printWriter = new PrintWriter(new OutputStreamWriter((),"UTF-8"));
// 发送请求params参数
(paramsStr);
();*/
/**
* the third way to set params
* OutputStreamWriter
*/
OutputStreamWriter out = new OutputStreamWriter(
(), "UTF-8");
// 发送请求params参数
(paramsStr);
();
();//
int contentLength = ();
if (() == 200) {
inputStream = ();//会隐式调用connect()
baos = new ByteArrayOutputStream();
int readLen;
byte[] bytes = new byte[1024];
while ((readLen = (bytes)) != -1) {
(bytes, 0, readLen);
}
backStr = ();
(TAG, "backStr:" + backStr);
} else {
(TAG, "请求失败 code:" + ());
}
} catch (MalformedURLException e) {
();
} catch (IOException e) {
();
} finally {
try {
if (baos != null) {
();
}
if (inputStream != null) {
();
}
} catch (IOException e) {
();
}
}
return backStr;
}