如何添加/组合我的ajax调用输出到mysql插入查询？

Question

我想从一个数据库检索数据使用ajax调用，然后将数据放入插入查询，以便它可以添加到新的数据库。 （PHP的MySQL到phonegap本地数据库）。这是我需要结合的两个代码。 ajax代码当前只是输出到一个表中，我只是为了看到它正在工作。 javascript函数可以工作并添加到数据库中。

jQuery(document).ready(function(){ 


jQuery.ajax({ 
    url : "http://cmlsys/toby/fetchdata.php", 
    type : "POST", 
    dataType : "json", 
    data : "param=no", 
    success : function (html){ 


     jQuery.each(html, function(key, value){ 

     $("table#DOM").append('<tr><td>'+value.CurrencyCode+'</td></tr>'); 

     }); 


    }, error : function (e){ 

     alert(e); 

    } 


}); 

}）;

---

function getEmployees(tx) { 
var sql = "select id, CurrencyCode " + "from employee"; 
tx.executeSql(sql, [], getEmployees_success); 

}

function populateDB(tx) { 
$('#busy').show(); 
tx.executeSql('DROP TABLE IF EXISTS employee'); 
var sql = 
    "CREATE TABLE IF NOT EXISTS employee ("+ 
    "id INTEGER PRIMARY KEY AUTOINCREMENT, " + 
    "CurrencyCode VARCHAR(50))"; 

tx.executeSql(sql); 


tx.executeSql("INSERT INTO employee (id,CurrencyCode) VALUES (1,'**THE AJAX RETURN**')"); 

}

---

这里是我的所有代码 -

var db; 
 
var dbCreated = false; 
 

 
var scroll = new iScroll('wrapper', { vScrollbar: false, hScrollbar:false, hScroll: false }); 
 

 
document.addEventListener("deviceready", onDeviceReady, false); 
 

 
function onDeviceReady() { 
 
    db = window.openDatabase("EmployeeDirectoryDB", "1.0", "PhoneGap Demo", 200000); 
 
    if (dbCreated) 
 
    \t db.transaction(getEmployees, transaction_error); 
 
    else 
 
    \t db.transaction(populateDB, transaction_error, populateDB_success); 
 
} 
 

 
function transaction_error(tx, error) { 
 
\t $('#busy').hide(); 
 
    alert("Database Error: " + error); 
 
} 
 

 
function populateDB_success() { 
 
\t dbCreated = true; 
 
    db.transaction(getEmployees, transaction_error); 
 
} 
 

 

 
function getEmployees(tx) { 
 
\t var sql = "select id, CurrencyCode " + "from employee"; 
 
\t tx.executeSql(sql, [], getEmployees_success); 
 
} 
 

 

 
function getEmployees_success(tx, results) { 
 
\t 
 
\t $('#busy').hide(); 
 
    var len = results.rows.length; 
 
    for (var i=0; i<len; i++) { 
 
    \t var employee = results.rows.item(i); 
 

 
\t \t $('#employeeList').append('<p class="line2">' + employee.CurrencyCode + '</p>'); 
 
    } 
 
\t 
 
\t setTimeout(function(){ 
 
\t \t scroll.refresh(); 
 
\t },100); 
 
\t db = null; 
 
} 
 

 

 

 
jQuery(document).ready(function() { 
 
     jQuery.ajax({ 
 
      url: "http://cmlsys/toby/fetchdata.php", 
 
      type: "POST", 
 
      dataType: "json", 
 
      data: "param=no", 
 
      success: function (html) {      
 
       populateDB(tx, html); 
 
       getEmployees(tx); 
 

 
      }, 
 
      error: function (e) { 
 
       alert(e); 
 
      } 
 
     }); 
 
    }); 
 

 
    function populateDB(tx, html) { 
 
     $('#busy').show(); 
 
     tx.executeSql('DROP TABLE IF EXISTS employee'); 
 
     var sql = 
 
      "CREATE TABLE IF NOT EXISTS employee (" + 
 
      "id INTEGER PRIMARY KEY AUTOINCREMENT, " + 
 
      "CurrencyCode VARCHAR(50))"; 
 

 
     tx.executeSql(sql); 
 
     var values = jQuery.map(html, function (val, i) { 
 
      return "('" + val.CurrencyCode + "')"; 
 
     }).join(','); 
 

 
     tx.executeSql("INSERT INTO employee (id,CurrencyCode) VALUES " + values); 
 
    } 
 

 
\t 
 
\t

Answer 1

您可以在成功关闭时将您的ajax成功数据传递给populateDB函数。请检查下面的代码。我猜你的tx是一个全局变量。

var db; 
var dbCreated = false; 

var scroll = new iScroll('wrapper', { 
    vScrollbar: false, 
    hScrollbar: false, 
    hScroll: false 
}); 

document.addEventListener("deviceready", onDeviceReady, false); 

function onDeviceReady() { 
    db = window.openDatabase("EmployeeDirectoryDB", "1.0", "PhoneGap Demo", 200000); 
    if (dbCreated) db.transaction(getEmployees, transaction_error); 
    else CallAjax(); 
} 

function transaction_error(tx, error) { 
    $('#busy').hide(); 
    alert("Database Error: " + error); 
} 

function populateDB_success() { 
    dbCreated = true; 
    db.transaction(getEmployees, transaction_error); 
} 


function getEmployees(tx) { 
    var sql = "select id, CurrencyCode from employee"; 
    tx.executeSql(sql, [], getEmployees_success); 
} 


function getEmployees_success(tx, results) { 

    $('#busy').hide(); 
    var len = results.rows.length; 
    for (var i = 0; i < len; i++) { 
     var employee = results.rows.item(i); 

     $('#employeeList').append('<p class="line2">' + employee.CurrencyCode + '</p>'); 
    } 

    setTimeout(function() { 
     scroll.refresh(); 
    }, 100); 
    db = null; 
} 


function CallAjax() { 
    jQuery.ajax({ 
     url: "http://cmlsys/toby/fetchdata.php", 
     type: "POST", 
     dataType: "json", 
     data: "param=no", 
     success: function (html) { 
      $('#busy').show(); 
      db.transaction(function (tx) { 
       tx.executeSql('DROP TABLE IF EXISTS employee'); 
       var sql = 
        "CREATE TABLE IF NOT EXISTS employee (" + 
        "id INTEGER PRIMARY KEY AUTOINCREMENT, " + 
        "CurrencyCode VARCHAR(50))"; 

       tx.executeSql(sql); 
       var values = jQuery.map(html, function (val, i) { 
        return "('" + val.CurrencyCode + "')"; 
       }).join(','); 

       tx.executeSql("INSERT INTO employee (id,CurrencyCode) VALUES " + values); 
      }, transaction_error, populateDB_success); 

     }, 
     error: function (e) { 
      alert(e); 
     } 
    }); 
}