$scope.vm = {
  str: "我是一个好人，这是一个cordova百度语音插件"
}
$scope.bdvoice = function () {
  if (window.plugins.BdVoice) {
    window.plugins.BdVoice.speakout($scope.vm.str, function (success) {

    }, function (fail) {

    });
  }
}