/**
* 使用：$.query.get("paramName")
*
**/ new function (settings) { // Various Settings var $separator = settings.separator || '&'; var $spaces = settings.spaces === false ? false : true; var $suffix = settings.suffix === false ? '' : '[]'; var $prefix = settings.prefix === false ? false : true; var $hash = $prefix ? settings.hash === true ? "#" : "?" : ""; var $numbers = settings.numbers === false ? false : true;
jQuery.query = new function () { var is = function (o, t) { return o != undefined && o !== null && (!!t ? o.constructor == t : true);
}; var parse = function (path) { var m, rx = /\[([^[]*)\]/g, match = /^([^[]+)(\[.*\])?$/.exec(path), base = match[1], tokens = []; while (m = rx.exec(match[2])) tokens.push(m[1]); return [base, tokens];
}; var set = function (target, tokens, value) { var o, token = tokens.shift(); if (typeof target != 'object') target = null; if (token === "") { if (!target) target = []; if (is(target, Array)) {
target.push(tokens.length == 0 ? value : set(null, tokens.slice(0), value));
} else if (is(target, Object)) { var i = 0; while (target[i++] != null);
target[--i] = tokens.length == 0 ? value : set(target[i], tokens.slice(0), value);
} else {
target = [];
target.push(tokens.length == 0 ? value : set(null, tokens.slice(0), value));
}
} else if (token && token.match(/^\s*[0-9]+\s*$/)) { var index = parseInt(token, 10); if (!target) target = [];
target[index] = tokens.length == 0 ? value : set(target[index], tokens.slice(0), value);
} else if (token) { var index = token.replace(/^\s*|\s*$/g, ""); if (!target) target = {}; if (is(target, Array)) { var temp = {}; for (var i = 0; i < target.length; ++i) {
temp[i] = target[i];
}
target = temp;
}
target[index] = tokens.length == 0 ? value : set(target[index], tokens.slice(0), value);
} else { return value;
} return target;
}; var queryObject = function (a) { var self = this;
self.keys = {}; if (a.queryObject) {
jQuery.each(a.get(), function (key, val) {
self.SET(key, val);
});
} else {
jQuery.each(arguments, function () { var q = "" + this;
q = q.replace(/^[?#]/, ''); // remove any leading ? || # q = q.replace(/[;&]$/, ''); // remove any trailing & || ; if ($spaces) q = q.replace(/[+]/g, ' '); // replace +'s with spaces jQuery.each(q.split(/[&;]/), function () { var key = decodeURIComponent(this.split('=')[0] || ""); var val = decodeURIComponent(this.split('=')[1] || ""); if (!key) return; if ($numbers) { if (/^[+-]?[0-9]+\.[0-9]*$/.test(val)) // simple float regex val = parseFloat(val); else if (/^[+-]?[0-9]+$/.test(val)) // simple int regex val = parseInt(val, 10);
}
val = (!val && val !== 0) ? true : val; if (val !== false && val !== true && typeof val != 'number')
val = val;
self.SET(key, val);
});
});
} return self;
};
queryObject.prototype = {
queryObject: true,
has: function (key, type) { var value = this.get(key); return is(value, type);
},
GET: function (key) { if (!is(key)) return this.keys; var parsed = parse(key), base = parsed[0], tokens = parsed[1]; var target = this.keys[base]; while (target != null && tokens.length != 0) {
target = target[tokens.shift()];
} return typeof target == 'number' ? target : target || "";
},
get: function (key) { var target = this.GET(key); if (is(target, Object)) return jQuery.extend(true, {}, target); else if (is(target, Array)) return target.slice(0); return target;
},
SET: function (key, val) { var value = !is(val) ? null : val; var parsed = parse(key), base = parsed[0], tokens = parsed[1]; var target = this.keys[base]; this.keys[base] = set(target, tokens.slice(0), value); return this;
},
set: function (key, val) { return this.copy().SET(key, val);
},
REMOVE: function (key) { return this.SET(key, null).COMPACT();
},
remove: function (key) { return this.copy().REMOVE(key);
},
EMPTY: function () { var self = this;
jQuery.each(self.keys, function (key, value) { delete self.keys[key];
}); return self;
},
load: function (url) { var hash = url.replace(/^.*?[#](.+?)(?:\?.+)?$/, "$1"); var search = url.replace(/^.*?[?](.+?)(?:#.+)?$/, "$1"); return new queryObject(url.length == search.length ? '' : search, url.length == hash.length ? '' : hash);
},
empty: function () { return this.copy().EMPTY();
},
copy: function () { return new queryObject(this);
},
COMPACT: function () { function build(orig) { var obj = typeof orig == "object" ? is(orig, Array) ? [] : {} : orig; if (typeof orig == 'object') { function add(o, key, value) { if (is(o, Array))
o.push(value); else o[key] = value;
}
jQuery.each(orig, function (key, value) { if (!is(value)) return true;
add(obj, key, build(value));
});
} return obj;
} this.keys = build(this.keys); return this;
},
compact: function () { return this.copy().COMPACT();
},
toString: function () { var i = 0, queryString = [], chunks = [], self = this; var encode = function (str) {
str = str + ""; if ($spaces) str = str.replace(/ /g, "+"); return encodeURIComponent(str);
}; var addFields = function (arr, key, value) { if (!is(value) || value === false) return; var o = [encode(key)]; if (value !== true) {
o.push("=");
o.push(encode(value));
}
arr.push(o.join(""));
}; var build = function (obj, base) { var newKey = function (key) { return !base || base == "" ? [key].join("") : [base, "[", key, "]"].join("");
};
jQuery.each(obj, function (key, value) { if (typeof value == 'object')
build(value, newKey(key)); else addFields(chunks, newKey(key), value);
});
};
build(this.keys); if (chunks.length > 0) queryString.push($hash);
queryString.push(chunks.join($separator)); return queryString.join("");
}
}; return new queryObject(location.search, location.hash);
};
} (jQuery.query || {}); // Pass in jQuery.query as settings object
使用方法：
var plan_type = $.query.get("plan_type") || "";
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关键字：
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