Code optimization

web/static/js/langchange.js

@@ -0,0 +1,68 @@
+(function ($) {
+    $.fn.cloudLang = function (params) {
+
+        var defaults = {
+            file: '/static/page/lang-example.xml',
+            lang: 'zh'
+        }
+
+        var aTexts = new Array();
+
+        if (params) $.extend(defaults, params);
+
+        $.ajax({
+            type: "GET",
+            url: defaults.file,
+            dataType: "xml",
+            success: function (xml) {
+                $(xml).find('text').each(function () {
+                    var textId = $(this).attr("id");
+                    var text = $(this).find(defaults.lang).text();
+
+                    aTexts[textId] = text;
+                });
+
+                $.each($("*"), function (i, item) {
+                    //alert($(item).attr("langtag"));
+                    if ($(item).attr("langtag") != null)
+                        $(item).fadeOut(150).fadeIn(150).text(aTexts[$(item).attr("langtag")]);
+                });
+            }
+        });
+    };
+
+})(jQuery);
+$(document).ready(function () {
+    function setCookie(c_name, value, expiredays) {
+        var exdate = new Date()
+        exdate.setDate(exdate.getDate() + expiredays)
+        document.cookie = c_name + "=" + escape(value) +
+            ((expiredays == null) ? "" : ";expires=" + exdate.toGMTString())
+    }
+
+    function getCookie(c_name) {
+        if (document.cookie.length > 0) {
+            c_start = document.cookie.indexOf(c_name + "=")
+            if (c_start != -1) {
+                c_start = c_start + c_name.length + 1
+                c_end = document.cookie.indexOf(";", c_start)
+                if (c_end == -1) c_end = document.cookie.length
+                return unescape(document.cookie.substring(c_start, c_end))
+            }
+        }
+        return ""
+    }
+
+    if (getCookie("lang") == "en") {
+        $("body").cloudLang({lang: "en", file: "/static/page/lang-example.xml"});
+    }
+    $("#lang-en").click(function () {
+        setCookie("lang", "en")
+        $("body").cloudLang({lang: "en", file: "/static/page/lang-example.xml"});
+    });
+
+    $("#langzh").click(function () {
+        setCookie("lang", "zh")
+        $("body").cloudLang({lang: "zh", file: "/static/page/lang-example.xml"});
+    });
+});