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<script>
        
$(
function
(){
            
$(
"#dianjiwo"
).click(
function
(){
               
window.parent.postMessage(1,
'*'
);
            
});
            
$(
"#idform"
).submit(
function
(e){
                
alert($(
'#zlxg'
).val());
                
if
($(
'#zlxg'
).val()==
""
)
                
{
                    
alert(
'1'
);
                    
return 
false
;
                
}
                
else
                
{
                    
alert(
'2'
);
                    
$.ajax({
                        
url:
"{:url('add')}"
,
//这里指向的就不再是页面了，而是一个方法。
                        
data:$(
"#idform"
).serialize(),
                        
type:
"POST"
,
                        
dataType:
"JSON"
,
                        
success: 
function
(msg)
                        
{
                            
if 
(msg.status==1)
                            
{
                                
alert(msg.txt);
                            
}
else
                            
{
                                
alert(msg.txt+msg.status);
                            
}
 
                        
},
                        
error:
function 
(msg)
                        
{
                            
alert(msg);
                        
}
                    
})
                
}
            
});
        
})
        
</script>
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<
form 
id
=
"idform" 
method
=
"post" 
action
=
"url"
></
form
>
 
第一种刷新页面：<
input 
type
=
"submit" 
>提交投票</
input
>
第二种无刷新页面：$("#idform").submit 改成 $(".submit").click
<
form 
id
=
"idform" 
method
=
"post" 
action
=
"url"
> 改成 <
form 
id
=
"idform"
>
1
<br>

本文转自 gutaotao1989 51CTO博客，原文链接:http://blog.51cto.com/taoyouth/1933036