<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>promise</title>
</head>
<body>
<script src="js/jquery.js"></script>
<script>
function aaa(){
var pro = new Promise(function (res,red){
$.get('http://182.254.146.100:3000/api/getindexmenu',function(data){
console.log(111);
if(true){
res();
}else{
red();
}
})
})
return pro;
}
function bbb(){
var pro = new Promise(function (res,red){
$.get('http://127.0.0.1:3000/api/getindexmenu',function(data){
console.log(222);
})
})
return pro;
}
aaa().then(
function(){
bbb();
}
).catch(function(){
alert('red');
})
/* ajax1().then(
function(){
ajax2();
}
).catch(function (){
console.log('有毛病了');
})
var len = 0;
function ajax1(){
var pro = new Promise(function(res,red){
$.get('http://182.254.146.100:3000/api/getindexmenu',function(data){
len = 1;
//表示执行then里面的function
if(true){
res();
}else{
red();
}
})
})
return pro;
}
function ajax2(){
$.get('http://127.0.0.1:3000/api/getindexmenu',function(data){
console.log(len);
})
}*/
</script>
</body>
</html>
