loginUser(email,password){
   console.log("loginuser");
   let formData:FormData = new FormData();
   formData.append("format","json");
   formData.append("email",email);
   formData.append("password",password);
   let headers = new HttpHeaders();
   headers.append('command', 'ProcessLoginPos');
   headers.append('Access-Control-Allow-Origin', '*');
   const req = new HttpRequest('POST', 'http://localhost:8080/ProjectOne/', formData, {         'headers':headers,      reportProgress: true,       responseType: 'text'      });
return this.http.request(req,{},{"command": "ProcessLoginPos"});
}