HTML两个查询条件,javascript – 如何在IndexedDB中查询多个条件？

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this answer同样的问题。这比我在这里给出的答案更详细。 keypath参数store.createIndex和IDBKeyRange方法

can be an array.所以，粗略的例子：

// In onupgradeneeded

var store = db.createObjectStore('mystore');

store.createIndex('myindex', ['prop1','prop2'], {unique:false});

// In your query section

var transaction = db.transaction('mystore','readonly');

var store = transaction.objectStore('mystore');

var index = store.index('myindex');

// Select only those records where prop1=value1 and prop2=value2

var request = index.openCursor(IDBKeyRange.only([value1, value2]));

// Select the first matching record

var request = index.get(IDBKeyRange.only([value1, value2]));