//申请队列
RequestQueue requestQueue = Volley.newRequestQueue(LandActivity.this);
//这只是模拟器测试本机的Ip
String url = "http://10.0.2.2:8080/myHomeDemoSevice/LoginServlet";
//创建stringRequest对象
StringRequest stringRequest = new StringRequest(Request.Method.POST,
url, new Response.Listener<String>() {
// 正确返回数据时
public void onResponse(String s) {
//执行成功访问后你需要执行的代码
if (s.equals("success")) {
//将用户名、密码保存到本地文件中
mysp.setUserNameToSp(User);
if(isRememberPassword) {
mysp.setUserPasswordToSp(Password);
}
Intent intent = new Intent(LandActivity.this,
MainActivity.class);
startActivity(intent);
} else if (s.equals("fail")) {
MyDialog m = new MyDialog(LandActivity.this);
m.showDialog("密码错误");
}
else if(s.equals("null")) {
MyDialog m = new MyDialog(LandActivity.this);
m.showDialog("用户不存在");
}
TX.setText("");
}
}, new Response.ErrorListener() {
//访问出错时执行的代码。这里打印了一系列的出错提醒
@Override
public void onErrorResponse(VolleyError error) {
Class<? extends VolleyError> klass = error.getClass();
if (klass == com.android.volley.AuthFailureError.class) {
Log.d(TAG, "AuthFailureError");
Toast.makeText(LandActivity.this, "未授权,请重新登录",
Toast.LENGTH_LONG).show();
} else if (klass == com.android.volley.NetworkError.class) {
Log.d(TAG, "NetworkError");
Toast.makeText(LandActivity.this, "网络连接错误,请重新登录",
Toast.LENGTH_LONG).show();
} else if (klass == com.android.volley.NoConnectionError.class) {
Log.d(TAG, "NoConnectionError");
} else if (klass == com.android.volley.ServerError.class) {
Log.d(TAG, "ServerError");
Toast.makeText(LandActivity.this, "服务器未知错误,请重新登录",
Toast.LENGTH_LONG).show();
} else if (klass == com.android.volley.TimeoutError.class) {
Log.d(TAG, "TimeoutError");
Toast.makeText(LandActivity.this, "连接超时,请重新登录",
Toast.LENGTH_LONG).show();
} else if (klass == com.android.volley.ParseError.class) {
Log.d(TAG, "ParseError");
} else if (klass == com.android.volley.VolleyError.class) {
Log.d(TAG, "General error");
}
/*Toast.makeText(LandActivity.this, "登录失败",
Toast.LENGTH_LONG).show();*/
TX.setText("");
}
}) {
@Override
//map对象是你将要发送到服务器的内容。这里传2个参数,用户名和密码
Map<String, String> map = new HashMap<String, String>();
//“username”是服务器接收的键。相当于变量名
map.put("password", Password);
return map;
}
};
stringRequest.setTag("stringRequest");
//将string添加到队列即完成
requestQueue.add(stringRequest);
// 设置超时重新请求
}
没有volley框架的点击下载https://download.csdn.net/my/uploads