问题
On the knockout.js site's documentation they say that when you get data back from the server you can do this:
// Every time data is received from the server:
ko.mapping.fromJS(data, viewModel);
I'd like to partially map the data back into my object model. Is that possible?
I have a viewModel.jobs[i].JobType child object, so I'd like to do something like this:
ko.mapping.fromJS(data.jobType, viewModel.jobs[i].JobType);
... meaning I'd like to just map in the jobType from the result from the server into this specific job's JobType field.
... Also keeping in mind:
// does not work because viewModel.jobs[i].JobType() is not a function.
viewModel.jobs[i].JobType(data.JobType);
回答1:
This worked:
ko.mapping.fromJS(data.job, viewModel.jobs[i]);
来源：https://stackoverflow.com/questions/11370052/knockout-js-partial-mapping-from-json