今天上课学到了jsonp，看了理解，还需要多敲，代码贴出来看看
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<meta name="author" content="智能社 - zhinengshe.com" />
<meta name="copyright" content="智能社 - zhinengshe.com" />
<title>智能社 - www.zhinengshe.com</title> <script> function jsonp(url,data,cbName,fn,timeout,fnFaild){ var fnName = "jsonp_" + Math.random();
fnName = fnName.replace(".","");
//data.callback = fnName; //callback cb xx bbb
data[cbName] = fnName;
var arr = [];
for(var name in data){
arr.push(name + "="+ data[name]);
} var str = arr.join("&"); window[fnName] = function (json){
fn && fn(json);
oHead.removeChild(oS);
clearTimeout(timer);
} var oS = document.createElement("script");
oS.src = url + "?" + str;
var oHead = document.getElementsByTagName("head")[];
oHead.appendChild(oS); if(timeout){
var timer = setTimeout(function(){
fnFaild();
window[fnName] = function(){};
oHead.removeChild(oS);
},timeout);
}
} window.onload = function(){
var oText = document.getElementById("txt1");
//http://sug.so.360.cn/suggest?callback=xxx&word=aa
var url = "http://sug.so.360.cn/suggest";
//var url = "https://sp0.baidu.com/5a1Fazu8AA54nxGko9WTAnF6hhy/su";
oText.onkeyup = function(){
jsonp(
url,
{word:this.value,wd:this.value},
"callback",
//"cb",
function (json){ var oUl = document.getElementById("ul1");
oUl.innerHTML = "";
for(var i = ; i < json.s.length; i++){
var oLi = document.createElement("li");
oLi.innerHTML = json.s[i];
oUl.appendChild(oLi);
}
},
,
function(){
alert("超时失败");
}
);
}; }; </script> </head> <body> <input id="txt1" type="text" value=""/>
<ul id="ul1"> </ul> </body>
</html>