Document链接数据库添加数据 window.msIndexedDB; window.msIDBTransaction; window.IDBKeyRange window.msIDBKeyRange connectDB(name,version,success,update,error){ let dbConnect = indexedDB.open(name,version); dbConnect.onsuccess = function(e){ console.log(); success(e.target.result); } dbConnect.onerror = function(e){ console.log(); error(e); } dbConnect.onupgradeneeded = function(e){ update(e.target.result); let oldVersion = e.oldVersion; let newVersion = e.newVersion; console.log(newVersion); } } function createTable(idb,storeName,key,idxs){ idb){ console.log(idb); return ; } idxs){ console.log(); return ; } storeName){ console.log(); return ; } try{ idb.createObjectStore(storeName,key); console.log(); ){ idxs[i]; store.createIndex(idx.indexName,idx.keyPath,idx.optionalParameters); console.log(); } }catch(e){ console.log(); console.log(JSON.stringify(e)) } } function add(storeName,values){ connectDB((idb){ ); ts.objectStore(storeName); ){ (function(i){ values[i]; store.put(value); req.onsuccess = function(){ console.log(); } req.onerror = function(e){ console.log(); console.log(JSON.stringify(e)); } })(i) } ts.oncomplete = function(){ console.log(); } },(){}); } window.onload=function(){ let btn ); btn.onclick = function(){ connectDB(, function(idb){ console.log(); },function(idb){ createTable(idb,},[ { indexName:, keyPath:, optionalParameters:{ unique:true, multiEntry:false }}]); },function(){ console.log() }); } let add1 ); add1.onclick = function(){ add(}]) } }

　　比较神奇的是你在建表的时候不需要指定你的字段，再添加数据时可以随便加。添加数据用到的是表对象的put方法，之前需要一个事务，从事务调个方法拿到存储对象（可以理解为表），具体看看例子就明白了。

Document链接数据库添加数据查询 window.msIndexedDB; window.msIDBTransaction; window.IDBKeyRange window.msIDBKeyRange connectDB(name,version,success,update,error){ let dbConnect = indexedDB.open(name,version); dbConnect.onsuccess = function(e){ console.log(); success(e.target.result); } dbConnect.onerror = function(e){ console.log(); error(e); } dbConnect.onupgradeneeded = function(e){ update(e.target.result); let oldVersion = e.oldVersion; let newVersion = e.newVersion; console.log(newVersion); } } function createTable(idb,storeName,key,idxs){ idb){ console.log(idb); return ; } idxs){ console.log(); return ; } storeName){ console.log(); return ; } try{ idb.createObjectStore(storeName,key); console.log(); ){ idxs[i]; store.createIndex(idx.indexName,idx.keyPath,idx.optionalParameters); console.log(); } }catch(e){ console.log(); console.log(JSON.stringify(e)) } } function add(storeName,values){ connectDB((idb){ ); ts.objectStore(storeName); ){ (function(i){ values[i]; store.put(value); req.onsuccess = function(){ console.log(); } req.onerror = function(e){ console.log(); console.log(JSON.stringify(e)); } })(i) } ts.oncomplete = function(){ console.log(); } },(){}); } function select(storeName,count,callback){ connectDB((idb){ ; []; ); ts.objectStore(storeName); store.count(); ; req.onsuccess = function(){ total = this.result; count:total; ,Number.MAX_VALUE); req2 ); ; req2.onsuccess = function(){ .result; if(cursor){ cc++; data.push(cursor.value); realCount){ callback(data); return; } cursor.continue(); } } req2.onerror = function(){ console.log() } } },(){}); } window.onload=function(){ let btn ); btn.onclick = function(){ connectDB(, function(idb){ console.log(); },function(idb){ createTable(idb,},[ { indexName:, keyPath:, optionalParameters:{ unique:true, multiEntry:false }}]); },function(){ console.log() }); } let add1 ); add1.onclick = function(){ add(}]) } let selectBtn ); selectBtn.onclick = function(){ select((data){ console.log(data); }) } }

 　　查询操作主要用到了游标，这个说起来还比较多，没时间说了，自行google。还有很多的操作这里不讲了。给一个我封装的不是很好的简易库，仅供参考。

　　　一个简易库。