Cordova相机例子

 document.addEventListener('deviceready', function(){

        var cameraBtn = document.getElementById('camera');
        cameraBtn.addEventListener('click',function(){

          navigator.camera.getPicture(function(data){
            console.log(data)
          }, function(err){
            console.log(err)
          });

        })

 }, false);





 //getPicture源码
 cameraExport.getPicture = function(successCallback, errorCallback, options) {
    argscheck.checkArgs('fFO', 'Camera.getPicture', arguments);
    options = options || {};
    var getValue = argscheck.getValue;

    var quality = getValue(options.quality, 50);
    var destinationType = getValue(options.destinationType, Camera.DestinationType.FILE_URI);
    var sourceType = getValue(options.sourceType, Camera.PictureSourceType.CAMERA);
    var targetWidth = getValue(options.targetWidth, -1);
    var targetHeight = getValue(options.targetHeight, -1);
    var encodingType = getValue(options.encodingType, Camera.EncodingType.JPEG);
    var mediaType = getValue(options.mediaType, Camera.MediaType.PICTURE);
    var allowEdit = !!options.allowEdit;
    var correctOrientation = !!options.correctOrientation;
    var saveToPhotoAlbum = !!options.saveToPhotoAlbum;
    var popoverOptions = getValue(options.popoverOptions, null);
    var cameraDirection = getValue(options.cameraDirection, Camera.Direction.BACK);

    var args = [quality, destinationType, sourceType, targetWidth, targetHeight, encodingType,
                mediaType, allowEdit, correctOrientation, saveToPhotoAlbum, popoverOptions, cameraDirection];

    exec(successCallback, errorCallback, "Camera", "takePicture", args);
    // XXX: commented out
    //return new CameraPopoverHandle();
};