//Post请求数据

private void postInfo() { RequestQueue requestQueue = Volley.newRequestQueue(MainActivity.this); StringRequest stringRequest = new StringRequest(Request.Method.POST, mPostUrl, new Response.Listener() { @Override

public void onResponse(String response) {

mText.setText(response); } }, new Response.ErrorListener() {

@Override

public void onErrorResponse(

VolleyError error) { } }) { //因为是POST请求，构造方法里面没有参数 他们给封装到了构造方法后边

@Override

protected MapgetParams() throws AuthFailureError { Mapmap = new HashMap();

map.put("userName", "lxx");

map.put("passWord", "123");

return map;

}

};

requestQueue.add(stringRequest);

}