websql使用实例

 <!DOCTYPE html>

 <html lang="en">

 <head>

     <meta charset="UTF-8">

     <title>websql应用</title>

     <script src="http://apps.bdimg.com/libs/jquery/2.1.1/jquery.min.js" type="text/javascript"></script>

 </head>

 <body>

 <input type="text" id="title" />

 <textarea name="context" id="context" cols="20" rows="8"></textarea>

 <input type="button" value="保存" onclick="save()" />

 <input type="button" value="查看" onclick="chakan()" />

 <ol id="chakan">

 123

 </ol>

 </body>

 <script>

 var dbsize=2*1024*1024;

 db=openDatabase("todo","","",dbsize);

 db.transaction(function(tx){

     tx.executeSql("CREATE TABLE IF NOT EXISTS notes (id integer PRIMARY KEY,title char(50),inputMemo text,last_date datetime)");

 }

 );

 function save(){

     var title=$("#title").val();

     var inputMemo=$("#context").val();

     db.transaction(function(tx){

     tx.executeSql("INSERT INTO notes (title,inputMemo,last_date) values(?,?,datetime('now','localtime'))",[title,inputMemo]);

     });

 }

 function chakan(){

     $("ol").empty();

     var note="";

     db.transaction(function(tx){

         tx.executeSql("SELECT id,title,inputMemo,last_date FROM notes",[],function(tx,result){

             if(result.rows.length>0){

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

                     var item=result.rows.item(i);

                     //console.log(item["inputMemo"]);

                     note+="<li>"+"<h3>"+item["title"]+"</h3><p>"+item["inputMemo"]+"</p></li>";

                 }

                 $("#chakan").append(note);

             }}

         );

     });

 }

 </script>

 </html>
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websql使用实例

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