phonegap操作sqlite資料庫的範例(jQuery Mobile)

<!DOCTYPE html>

<html>
    <head>
        <meta charset="utf-8" />
        <meta name="format-detection" content="telephone=no" />
        <meta name="msapplication-tap-highlight" content="no" />
        <!-- WARNING: for iOS 7, remove the width=device-width and height=device-height attributes. See https://issues.apache.org/jira/browse/CB-4323 -->
        <meta name="viewport" content="initial-scale=1, width=device-width" />
        <title>測試</title>
    </head>
    <body>
         <div data-role="page" id="myPage">
          
              <div  data-role="header" id="header_top">
                   <p class="text_center">資料庫測試</p>
               </div>
          
              <div data-role="content">                
                    <div>
                        <button id="Btn01" ><h4>測試新增資料</h4></button>
                    <button id="Btn02" ><h4>資料顯示</h4></button>
                    <button id="Btn03" ><h4>刪除全部資料</h4></button>
                    </div>
                <br />
                <br />
                <div>
                    <ul id="list01" data-role="listview">
                    </ul>
                </div>
                    
              </div>
               
               <div data-role="footer" id="footer_down">
                   <p class="text_center">0.1 alpha</p>
               </div>
               
          </div>
     </body>
</html>

<!-- 引入必要的函式庫 -->
<script type="text/javascript" src="cordova.js"></script>
<script type="text/javascript">
    app.initialize();
</script>
<link rel="stylesheet" type="text/css" href="css/jquery.mobile-1.4.3.min.css" />
<link rel="stylesheet" type="text/css" href="css/customer.css" />
<script src="js/jquery.js"></script> 
<script src="js/jquery.mobile-1.4.3.min.js"></script>

<script type="text/javascript">

    //產生新的Sqlite DB或連線到Sqlite DB,返回database object
    function getDb(){  
         return window.openDatabase("testdb","1.0","This is Test DB" ,10000);  
     }  
     
     function fun_DB(e){
          //下列被註解的語法在第二次執行時會錯誤,因為表格已被建立,所以要加上if not exists
          //e.executeSql('create table  demo01 (id unique,name,access)');     
          e.executeSql('create table if not exists demo01 (id,name,access)');     
     }
     
     function error_DB(err) {
         alert("錯誤了啦!" + err + "-- Code: " + err.code);
     }
          
     function success_DB() {
          alert("成功了");     
     }
     
     //查詢成功的話會回傳資料,如下以陣列變數results來接收
     function querySuccess(tx,results){
          var len = results.rows.length;
          var i = 0 ;
          alert(len);
          //先清除網頁上的資料,.html會覆蓋原有的HTML語法
          $("#list01").html("");
          for (i=0; i<len; i++) {
               //.append會將HTML語法附加到原有語法的後面
               //results.rows.item(i).name的name是表格的欄位名稱
               $("#list01").append("<li>" + results.rows.item(i).name + "</li>");

          }
     }


    $(document).ready(function(){
          
          //取得Sqlite DB object
          var objdb= getDb();
          
          //執行DB的transactiion
          //第一個參數是執行的function,第二個參數是執行失敗的function,第三個參數是執行成功的function
          objdb.transaction(fun_DB,error_DB,success_DB);
                         
                    
          $("#Btn01").click(function(){
              var db1 = getDb(); 
               var v_id=1;
               var v_name="John";
               
               //[]內是要代入SQL中變數的值,SQL中的變數用「?」表示,
               //所以最後的SQL是insert into demo01 values(1,John,"b")
              db1.transaction(function(tx){
                                tx.executeSql('insert into demo01 values(?,?,"b")',[v_id,v_name]);               
                               },error_DB,success_DB
               
               );
          });
          
         $("#Btn02").click(function(){
               var db1=getDb();
               db1.transaction(
                   function(tx){
                         //[]是指要代入SQL的變數,例如:
                         //'select * from demo01 where id=? and name =? ',[myid,myname]
                         //querySuccess是執行Select成功後的function 
                       tx.executeSql('select * from demo01',[],querySuccess,error_DB);
                    }
               );
          });
          
          
          $("#Btn03").click(function(){
               var db1=getDb();
               db1.transaction(
                   function(tx) {
                         tx.executeSql('delete from demo01') ;
                    },error_DB,success_DB
               );
          });
          
     });
     
     
     
</script>