<script>

var request = indexedDB.open('testDBDong',1);

// console.log(request);

request.onsuccess = function () {

console.log('创建数据库成功')

}

request.onerror = function () {

console.log('创建数据库失败')

}

request.onupgradeneeded = function () {

var db = request.result;

var list1 = db.createObjectStore('test1',{autoIncrement:true});

list1.createIndex('test1','name',{unique:true});

}

var json = [{

        "id":200,

        "name":"Marcuse",

        "age":"19"

    },{

        "id":201,

        "name":"Busy",

        "age":"22"

    },{

        "id":202,

        "name":"Blue",

        "age":"23"

    }]

setTimeout(function(){

        var db = request.result;

        var transaction = db.transaction('test1','readwrite');

        var store = transaction.objectStore('test1');

var index = store.index('test1');

var cursorNod = index.openCursor(IDBKeyRange.upperBound(200, true));

// var cursorNod = store.openCursor(IDBKeyRange.upperBound(202,true));

// console.log(cursorNod)

        for(var i = 0;i < json.length;i++){

            store.add(json[i])};

var content = store.get(1);

content.onsuccess = function () {

console.log(content.result)

}

index.get('Busy').onsuccess = function (e) {

console.log(e.target.result.name)

}

cursorNod.onsuccess = function () {

var result = cursorNod.result;

if (result) {

console.log(result.value)

result.continue();

}

}

},300)

</script>