Javascript获取统一管理的提示语(message)

<%-- <%@ page import="com.xxx.xxx.xxx.xxx.I18nManager" %> --%>
<%@ page language="java" pageEncoding="UTF-8"%>
function I18nManager() {
this.init;
this.messages;
};
I18nManager.prototype = {
get : function(id, args) {
if (!this.init) {
this.messages = new Array();
// 这里可以使用Java代码的方法读取服务端已经缓存好的消息提示语
<%-- this.messages['charset'] = "<%= I18nManager.get(user, "charset") %>"; --%>
<%-- this.messages[''] = "<%= I18nManager.get(user, "") %>"; --%>
<%-- this.messages['M0001'] = "<%= I18nManager.get(user, "M0001") %>"; --%>
<%-- this.messages['M0002'] = "<%= I18nManager.get(user, "M0002") %>"; --%>
<%-- this.messages['M0003'] = "<%= I18nManager.get(user, "M0003") %>"; --%>
<%-- this.messages['M0004'] = "<%= I18nManager.get(user, "M0004") %>"; --%>
<%-- this.messages['M0005'] = "<%= I18nManager.get(user, "M0005") %>"; --%>
<%-- this.messages['M0006'] = "<%= I18nManager.get(user, "M0006") %>"; --%>
<%-- this.messages['ui.title.user'] = "<%= I18nManager.get(user, "ui.title.user") %>"; --%>
<%-- this.messages['ui.title.xview'] = "<%= I18nManager.get(user, "ui.title.xview") %>"; --%>
<%-- this.messages['ui.title.xview.memo'] = "<%= I18nManager.get(user, "ui.title.xview.memo") %>"; --%>
<%-- this.messages['ui.title.xviewPointList'] = "<%= I18nManager.get(user, "ui.title.xviewPointList") %>"; --%>
<%-- this.messages['ui.title.sherpaOracle'] = "<%= I18nManager.get(user, "ui.title.sherpaOracle") %>"; --%>
// 或者可以静态设置一些提示语
this.messages['M0001'] = "操作成功！"; 
this.messages['M0001'] = "操作失败！"; 
this.init = true;
}
var message = this.messages[id];
if (!message && message !== "") {
return id;
}
if (args) {
if (typeof args == "object" && args.length) {
for (var i = 0; i < args.length; i++) {
var pattern = new RegExp("\\{" + i + "\\}", "g"); 
message = message.replace(pattern, args[i]);
}
} else {
message = message.replace(/\{0\}/g, args);
}
}
return message;
},
alert : function(id, args) {
alert(this.get(id, args));
}
};
var i18n = new I18nManager();

window.onload = function(){
i18n.alert('M0001');
//alert(i18n.get('M0001'));
}