I'm not sure I agree with poster number two. There is no resort that is close to tall four parks. but there are several that are clsoe to several parks.
What you should do is loook at Google maps to get an idea of the size of WDW.
There are three DIsney resorts that are centrally located: Beach Club, Boardwalk, and Yacht CLub. The Beach and Yacht Club resorts are connected. Also inthe same area are two non-Dieny owned resorts: teh Swan and the Dolphin. Even though they are not owned by Disney - they are right in the heart of WDW. All are popular for weddings. All of hte above resorts are walking distance (under 15min for most folks ) to Epcot and Holywood STudios; two of the parks.
However, probably the most popular park at WDW is the Magic Kingdom. It was Disney World's first park, and for many years the only park. Often it also has the longest hours each day (not always) and as such, many folks like to go there most, or go there at night. There are four deluxe resorts very close to MK. The Grand Floridian, the Polynesian, and The Contemporary are connected to MK by a monorail. The fourth deluxe is a little further: Wilderness Lodge. The rooms at WL are also slightly smaller, but the price may be more to your liking.
There is one resort that is close to AK, but you can't walk the distance. That resort is Animal Kingdom Lodge. AKL is similar in many ways to Wilderness Lodge. It is very nice, and it is close to AK , but it's is not all that close to the other three parks - since AK is located in the southwestern part of Disney property.
All of the above resorts are deluxe resorts, and as such they are the most expensive. DIsney also has a moderate level resort, and a value level resort. All Disney resorts are nice, but clearly the more you pay, the more amenties the resort has.
Of all the resorts, the Grand Floridian is probably most themed towards weddings, but it is also the most expensive.
I have done a wedding at WDW, but in addition to this site, try looking at Mousesavers.com. I thought that site ha a page just for weddings, but maybe they discontinued it. Also try allearsnet.com in addition to the parent of this website for LOTS of WDW information. Also, DO look at images of each resort on Disney's website (I Think they also have a weddings section). Teh official website is slow, but it has some of the best images, etc.
And if all that doesn't give you enough information, continue to ask here.
Don't worry, no matter where you stay at Disney World you will be doing all the walking you can endure! Also know that it is often impossible to walk from your resor toteh parks. Almost the only exception are the Epcot area resorts I mentioned (ytou can only walk to epcot and HS), and the Contemporary (to MK only ). Otherwise, you have to take some form of Disney transportation to get to the parks, like a bus or in some cases a boat, or teh monorail mentioned above. (You can also drive, but often taking WDW transporation is easiest.)
I should also probably mention that some of the deluxe resorts listed above have sister resorts. The sister resorts are Disney Vacation Club resorts. (The vacation club is kind of like a timeshare) All the rooms at the
DVC resorts can be booked as hotel rooms (you don't have to belong to the vacation club.). However, they are probably not what you want on your honeymoon. They are mostly bigger, more pricey rooms, and have kitchens or mini kitchens.