在各自的脚本中 设置 document.domain = “58.com”
两个网页就可以互相访问资源了.
简单百度联想词案例
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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewprot" content="width=device-width, initial-scale=1.0"/>
<meta http-equiv="X-UA-Compatible" content="ie=edge"/>
<title>dddd</title>
<style type="text/css">
</style>
</head>
<body>
<input type="text" name="aaa" id="aaa" value="" />
<ul id="ul"></ul>
<script type="text/javascript">
function jsonp (value,cb) {
var scr = document.createElement("script");
scr.src = "https://sp0.baidu.com/5a1Fazu8AA54nxGko9WTAnF6hhy/su?wd=" + value +"&cb=" + cb.name;
document.body.appendChild(scr);
document.body.removeChild(scr);// 创建完删除 script
}
function show (data) {
console.log(data);
var str = "";
var list = data.s;
list.forEach((item,index) => {
str += "<li><a href='https://www.baidu.com/s?wd=" + item + "' target='_blink'>" + item + "</a></li>";
})
ul.innerHTML = str;
}
aaa.oninput = function (e) {
jsonp(this.value,show);
}
</script>
</body>
</html>
加上一个搜狗 搜狗应该也是jsonp技术, 不过不必传cb字符串, 他直接锁定了字符串 window.sougou.sug 所以我们只需要把回调函数定义在这个路径上就可以.
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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewprot" content="width=device-width, initial-scale=1.0"/>
<meta http-equiv="X-UA-Compatible" content="ie=edge"/>
<title>dddd</title>
<style type="text/css">
body{
margin: 0;
padding: 0;
}
iframe {
width: 80vw;
height: 100vh;
position: absolute;
left : 20vw;
z-index: -1;
}
ul, li{
width: 200px;
}
</style>
</head>
<body>
<iframe id="ifram" src="https://www.baidu.com" ></iframe>
<span>百度</span><br />
<input type="text" name="aaa" id="aaa" value="" />
<ul id="ul"></ul>
<span>搜狗</span><br />
<input type="text" name="bbb" id="bbb" value="" />
<ul id="ull"></ul>
<script type="text/javascript">
function jsonp (value,cb) {
var scr = document.createElement("script");
scr.src = "https://sp0.baidu.com/5a1Fazu8AA54nxGko9WTAnF6hhy/su?wd=" + value +"&cb=" + cb.name;
document.body.appendChild(scr);
document.body.removeChild(scr);// 创建完删除 script
}
function jsonpp (value) {
console.log(value);
var scr = document.createElement("script");
scr.src = "https://www.sogou.com/suggnew/ajajjson?key=" + value + "&type=web&";
document.body.appendChild(scr);
// document.body.removeChild(scr);// 创建完删除 script
}
function show (data) {
console.log(data);
var str = "";
var list = data.s;
list.forEach((item,index) => {
str += "<li>" + item + "</li>";
})
ul.innerHTML = str;
}
aaa.oninput = function (e) {
jsonp(this.value,show);
}
ul.onclick = function (e) {
if(e.target.tagName == "LI") {
ifram.src = "https://www.baidu.com/s?wd=" + e.target.innerText;
}
}
var sogou = {}
sogou.sug = function (data) {
console.log(data[1]);
var list = data[1];
var str = "";
list.forEach((item,index) => {
str += "<li>" + item + "</li>"
});
ull.innerHTML = str;
}
bbb.oninput = function (e) {
jsonpp(this.value);
}
ull.onclick = function (e) {
if(e.target.tagName == "LI") {
ifram.src = "https://www.sogou.com/web?query=" + e.target.innerText;
}
}
</script>
</body>
</html>
