phonegap操作数据库详解-无忧网

这次给大家带来phonegap操作数据库详解，phonegap操作数据库的注意事项有哪些，下面就是实战案例，一起来看一下。

实例如下：

<!DOCTYPE html> 
<html> 
  
    <head> 
        <meta charset="UTF-8"> 
        <title>Database Example</title> 
  
        <script type="text/javascript" charset="UTF-8" src="cordova.js"></script> 
        <script type="text/javascript" charset="UTF-8"> 
            document.addEventListener("deviceready", onDeviceReady, false); 
  
            function onDeviceReady() { 
                var db=window.openDatabase("Test","1.0","Test",200000); 
                db.transaction(populateDB,errorDB,successDB); 
            } 
              
            //初始化数据库数据 
            function populateDB(tx){ 
                tx.executeSql('DROP TABLE IF EXISTS test1'); 
                tx.executeSql('CREATE TABLE IF NOT EXISTS test1 (id unique,name)'); 
                tx.executeSql('INSERT INTO test1(id,name) VALUES(1,"Tony")'); 
                tx.executeSql('INSERT INTO test1(id,name) VALUES(2,"Bill")'); 
                tx.executeSql('INSERT INTO test1(id,name) VALUES(3,"Tony")'); 
            } 
              
            //查询方法 
            function queryDB(tx){ 
                tx.executeSql('SELECT * FROM test1',[],querySuccess,errorDB); 
            } 
              
            //查询成功回调 
            function querySuccess(tx,results){ 
                var len=results.rows.length; 
                var status=document.getElementById("status"); 
                var string ="Rows:"+len+"<br />"; 
                for(var i=0;i登录后复制

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phonegap操作数据库详解

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