$(function(){
var my_data="前台变量";
my_data=escape(my_data)+"";//编码，防止汉字乱码
$.ajax({
url: "ajax_php.php",
type: "POST",
data:{trans_data:my_data},
//dataType: "json",
error: function(){
alert('Error loading XML document');
},
success: function(data,status){//如果调用php成功
alert(unescape(data));//解码，显示汉字
}
});
});

header('Content-Type:text/html; charset=gb2312');//使用gb2312编码，使中文不会变成乱码
$backValue=$_POST['trans_data'];
echo $backValue."+后台返回";

$(function(){
var my_data=new Array();
var my_data1=new Array();
my_data[0]=0;
my_data[1]=1;
my_data[2]=2;
my_data1[0]=10;
my_data1[1]=11;
my_data1[2]=12;
$.ajax({
url: "ajax_php.php",
type: "POST",
data:{trans_data:my_data,trans_data1:my_data1},
//dataType: "json",
error: function(){
alert('Error loading XML document');
},
success: function(data,status){//如果调用php成功
alert(data);
}
});
});

//读取第一个数组
$backValue="trans_data:";
$trans=$_POST['trans_data'];
foreach($trans as $value)
{
$backValue=$backValue." ".$value;
}
//读取第二个数组
$backValue=$backValue." , trans_data1:";
$trans=$_POST['trans_data1'];
foreach($trans as $value)
{
$backValue=$backValue." ".$value;
}
echo $backValue;

$(function(){
var my_data=new Array();
var my_data1=new Array();
my_data[0]=0;
my_data[1]=1;
my_data[2]=2;
my_data1[0]=10;
my_data1[1]=11;
my_data1[2]=12;
$.ajax({
url: "ajax_php.php",
type: "POST",
data:{trans_data:my_data,trans_data1:my_data1},
dataType: "json",
error: function(){
alert('Error loading XML document');
},
success: function(data){//如果调用php成功
}
alert(back);
}
});
});

header('Content-Type:text/html; charset=gb2312');//使用gb2312编码，使中文不会变成乱码
$backValue=array();
$backValue[0]=$_POST['trans_data'];
$backValue[1]=$_POST['trans_data1'];
echo json_encode($backValue);

$(function(){
var my_data=new Array();
var my_data1=new Array();
var my_data2=new Array();
my_data[0]=0;
my_data[1]=1;
my_data[2]=2;
my_data1[0]=10;
my_data1[1]=11;
my_data1[2]=12;
my_data2[0]=my_data;
my_data2[1]=my_data1;
$.ajax({
url: "ajax_php.php",
type: "POST",
data:{trans_data:my_data,trans_data1:my_data1,trans_data2:my_data2},
dataType: "json",
error: function(){
alert('Error loading XML document');
},
success: function(data){//如果调用php成功
}
alert(back);
}
});
});

header('Content-Type:text/html; charset=gb2312');//使用gb2312编码，使中文不会变成乱码
$backValue=array();
$backValue=$_POST['trans_data2'];
$backValue[2]=$_POST['trans_data'];
$backValue[3]=$_POST['trans_data1'];
echo json_encode($backValue);