<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> </head> <script src="https://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"></script> <body> <script> $.ajax({ url:"https://api.map.baidu.com/ag/coord/convert?x=116.29563780333334&y=39.821811143333335&from=0&to=4&mode=1", type:"GET", success:function (data) { console.log(data) //[{"error": 0,"x": "MTE2LjMwODEzMzcwMzE1","y": "MzkuODI5MjA2MTM4MjUz"}] console.log(decode64(data[0].x))//116.30813370315 console.log(decode64(data[0].y))//39.829206138253 }, dataType : "jsonp" }); var keyStr = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789 /="; function decode64(input) { var output = ""; var chr1, chr2, chr3 = ""; var enc1, enc2, enc3, enc4 = ""; var i = 0; if (input.length % 4 != 0) { return ""; } var base64test = /[^A-Za-z0-9\ \/\=]/g; if (base64test.exec(input)) { return ""; } do { enc1 = keyStr.indexOf(input.charAt(i )); enc2 = keyStr.indexOf(input.charAt(i )); enc3 = keyStr.indexOf(input.charAt(i )); enc4 = keyStr.indexOf(input.charAt(i )); chr1 = (enc1 << 2) | (enc2 >> 4); chr2 = ((enc2 & 15) << 4) | (enc3 >> 2); chr3 = ((enc3 & 3) << 6) | enc4; output = output String.fromCharCode(chr1); if (enc3 != 64) { output = String.fromCharCode(chr2); } if (enc4 != 64) { output = String.fromCharCode(chr3); } chr1 = chr2 = chr3 = ""; enc1 = enc2 = enc3 = enc4 = ""; } while (i < input.length); return output; } </script> </body> </html>
这里的x和y如果是多个经纬度，可以用，隔开，例如：http://api.map.baidu.com/ag/coord/convert?x=116.397428,116.397428&y=39.75923,39.75923&from=0&to=4&mode=1