;(function($){
$.fn.jqSearch = function (options) {	
    var defaults = {
        TxtVal: "输入关键词搜索！",
        KeyTxt1: "输入关键词搜索！",
        KeyTxt2: "输入的关键词字数不要过多！",
        KeyTxt3: "您输入的内容存在特殊字符！",
        KeyId: "topkey",
        KeyUrl: "#",
        OtherUrl: "",
        OtherParams: "",
        OtherTxtVal: "请选中筛选或输入关键词搜索！",
        KeyHref: "key",
        Static: false
    };
    var opts = $.extend(defaults, options);

    return this.each(function () {
        _this = $(this);
        if ($("#" + opts.KeyId).val() == "") {
            $("#" + opts.KeyId).val(opts.TxtVal);
        }
        $("#" + opts.KeyId).focus(function () {
        	_this.addClass("focus");
        	$(this).addClass("focus");
            if ($(this).val() == opts.TxtVal) {
                $(this).val("");
            }
        });
        $("#" + opts.KeyId).blur(function () {
        	_this.removeClass("focus");
        	$(this).removeClass("focus");
            if ($(this).val() == "") {
                $(this).val(opts.TxtVal);
            }
        });
        function GoSearchUrl() {
            var searchinput = document.getElementById(opts.KeyId);
            var isNull = true;
            //静态
            var Staticlinks = opts.KeyUrl;
            if (typeof (opts.OtherParams) == "function") {
                var params = opts.OtherParams();
                for (var property in params) {
                    isNull = false;
                    if (opts.Static) {
                        Staticurl += "_" + property + "_" + params[property];
                    } else {
                        if (opts.OtherUrl != "") {
                            opts.OtherUrl = appendUrlParmFun(opts.OtherUrl, property, params[property]);
                        } else {
                            opts.KeyUrl = appendUrlParmFun(opts.KeyUrl, property, params[property]);
                        }
                    }
                }
            }
            if (typeof (opts.OtherParams) == "function" && isNull && (searchinput.value == "" || searchinput.value == opts.TxtVal)) {
                layer.msg(opts.OtherTxtVal);
                return false;
            }
            if (!isNull && opts.OtherUrl != "") {
                window.location = opts.OtherUrl;
                return false;
            }
            if (isNull && (searchinput.value == "" || searchinput.value == opts.TxtVal)) {
                layer.msg(opts.KeyTxt1);
                searchinput.focus();
                return false;
            }
            if (isNull && (searchinput.value == "" || searchinput.value == opts.TxtVal)) {
                layer.msg(opts.KeyTxt1);
                searchinput.focus();
                return false;
            }
            if (searchinput.value.length > 50) {
                layer.msg(opts.KeyTxt2);
                searchinput.focus();
                return false;
            }
            var pattern = new RegExp("[`~!@#$^&*()=|{}':;',\\[\\].<>/?~！@#￥……&*（）—|{}【】‘；：”“'。，、？]");
            if (pattern.test(searchinput.value)) {
                layer.msg(opts.KeyTxt3);
                searchinput.focus();
                return false;
            }
            if (!(searchinput.value == "" || searchinput.value == opts.TxtVal)) {
                if (opts.Static) {
                    //静态
                    Staticlinks = opts.KeyUrl;
                    Staticurl = "_" + opts.KeyHref + "_" + searchinput.value + ".html"
                    Staticlinks = Staticlinks.replace(".html", Staticurl);
                    window.location = Staticlinks;
                } else {
                    //动态
                    if (opts.KeyUrl.indexOf("?") == -1) {
                        window.location = opts.KeyUrl + "?" + opts.KeyHref + "=" + escape(searchinput.value);

                    } else {
                        window.location = opts.KeyUrl + "&" + opts.KeyHref + "=" + escape(searchinput.value);
                    }
                }
            } else {
                if (opts.Static) {
                    window.location = Staticlinks;
                }
                else {
                    window.location = opts.KeyUrl;
                }
            }

            return true;
        }

        function entersearch() {
            var event = window.event || arguments.callee.caller.arguments[0];
            if (event.keyCode == 13) {
                GoSearchUrl();
            }
        }

        function checkComments() {
            var event = window.event || arguments.callee.caller.arguments[0];
            if ((event.keyCode > 32 && event.keyCode < 48) || (event.keyCode > 57 && event.keyCode < 65) || (event.keyCode > 90 && event.keyCode < 97)) {
                event.returnValue = false;
            }
        }

        function stripscript(s) {
            var pattern = new RegExp("[`~!@#$^&*()=|{}':;',\\[\\].<>/?~！@#￥……&*（）——|{}【】‘；：”“'。，、？]");
            var rs = "";
            for (var i = 0; i < s.length; i++) {
                rs = rs + s.substr(i, 1).replace(pattern, '');
            }
            return rs;
        }

        function appendUrlParmFun(url, key, value) {
            var arrayParams = url.split("?");
            var result = arrayParams[0] + "?";
            if (url.indexOf("?") > 0) {
                var parms = arrayParams[1].split("&");
                var exsit = false;
                for (var i = 0; i < parms.length; i++) {
                    var param = parms[i].split("=");
                    if (param[0] == key) {
                        exsit = true;
                        result += param[0] + "=" + value + "&"; //修改参数
                    } else {
                        result += param[0] + "=" + param[1] + "&"; //保持原样
                    }
                }
                if (exsit == false) {
                    result += key + "=" + value + "&"; //不存在时，附加参数
                }

            } else {
                result += key + "=" + value;
            }
            result = result.substring(result.length - 1, result.length) == "&" ? result.substring(0, result.length - 1) : result;
            return result;
        }

        _this.click(function () {
            GoSearchUrl()
        });

        $("#" + opts.KeyId).keydown(function () {
            entersearch()
        });
    })
}
})(jQuery);