PAC file to different proxy for HTTP and HTTPS connection.

proxy.pac

// MyFleetGirls: "PROXY 127.0.0.1:8080"
// Shimakaze Go: "PROXY 127.0.0.1:8099"
// Shadowsocks: "SOCKS5 127.0.0.1:1080"

var http_proxy = "PROXY 127.0.0.1:8080";    // Proxy for HTTP connection
var https_proxy = "PROXY 127.0.0.1:8099";   // Proxy for HTTPS connection

function FindProxyForURL(url, host) {
    if (url.startsWith('https:')) {
        return https_proxy;
    } else {
        return http_proxy;
    }
}