ajxa post访问网站,获取数据
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<script src="jquery-3.4.0.js"></script>
</head>
<body>
<input type="button" onclick=getData() value="获取数据">
<script>
function getData() {
console.log("获取数据");
$.ajax({
url: url //此处是访问的网址,
type: "post",
data:{"lat_left_top":"40","lng_left_top":"10","lat_right_bottom":"39","lng_right_bottom":"11","height_start":"0","height_end":"400","geo_level":"5"},
dataType:"json",
success: function (data) {
for(var key in data){
alert(key+" :" + data[key]);
}
},
});
}
</script>
</body>
</html>
ps:有些时候可能会遇到跨域请求的问题
pps:有些时候还得设置content-type