Mock.mock('http://123.com',{
'name|3':'fei',
'age|20-30':25,
})
$.ajax({
url:'http://123.com',
dataType:'json',
success:function(e){
$('<pre>').text(JSON.stringify(e, null, 4))
.appendTo('body')
}
})
<script src="http://mockjs.com/dist/mock.js"></script>