Javacript: My Pac File (some code from @ayanamist 's Pac File)

proxy.pac

var METHODS = {
    PROXY_METHOD:"PROXY 127.0.0.1:8123",
    NO_PROXY_METHOD:"DIRECT"
},
rules = [
    ".akamai.net",
    ".akamaihd.net",
    ".appspot.com",
    ".bitsnoop.com",
    ".blogspot.com",
    ".chinagfw.org",
    ".dotcloud.com",
    ".dropbox.com",
    ".facebook.com",
    ".fbcdn.net",
    ".fc2.com",
    ".flickr.com",
    ".getfoxyproxy.com",
    ".gist.github.com",
    ".google.com",
    ".google.co.jp",
    ".googleapis.com",
    ".googleusercontent.com",
    ".gstatic.com",
    ".isohunt.com",
    ".mediafire.com",
    ".mobypicture.com",
    ".pastebin.com",
    ".pixnet.net",
    ".simplecd.me",
    "t.co",
    ".twitpic.com",
    ".twitter.com",
    ".twimg.com",
    ".wordpress.com",
    ".waigaobu.com",
    ".yfrog.com",
    ".youtube.com",
    ".ytimg.com"
],
global = (function(){return this || (1,eval)('this');})();

function FindProxyForURL(url, host) {

    var METHODS=global.METHODS;

    function dnsDomainIs(domain) {
        var host_length, domain_length;
        return ((domain[0] === '.') ? (host === domain.slice(1) || ((host_length = host.length) >= (domain_length = domain.length) && host.slice(host_length - domain_length) === domain)) : (host === domain));
    }

    function rule_filter(callback) {
        var rules=global.rules, i=rules.length;
        do {
           if (callback(rules[--i]) === true) {
               return true;
           }
        } while(i !== 0);
        return false;
    }

    if (isPlainHostName(host) === true) {
        return METHODS.NO_PROXY_METHOD;

    } else {
        if (rule_filter(dnsDomainIs) === true) {
            return METHODS.PROXY_METHOD;

        } else {
            return METHODS.NO_PROXY_METHOD;

        }

    }

}

基于 @ayanamist 的自用 PAC 文件 ( https://gist.github.com/1390732 )，仅使用了一个代理配置，重写了部分函数……仅支持域名匹配……咱暂时不需要用正则匹配，所以就没加上、