如何在FireBase中写入非规范化数据
let addIndexPromise = new Promise( (resolve, reject) => {
let newRef = ref.child('list-index').push(newItem);
resolve( newRef.key()); // ignore reject() for brevity});addIndexPromise.then( key => {
ref.child('list').child(key).set(newItem);
});慕容森
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