如何使用javascript访问对象数组



console.log(dict(将为您提供

{"单击此处:":{"消息":"点击这里"},"应用":{"消息":"应用翻译测试!":{"message":"js翻译示例!"},"tabLanding":"欢迎","tabSetup":{"message":"安装"}}

我希望选项卡设置显示为安装在html中这是html代码:

<li class="tab_setup"><a href="#" i18n="tabSetup"></a></li>

我看到的是它没有正确显示,只是显示为[object object]它应该显示为安装

这是我的java脚本。感谢

var dict = {};
var systemLang = navigator.language.toLowerCase().slice(0,2);
$(function () {
registerWords();
switch(getCookieVal("lang")) {
case "en" :
setLanguage("en");
break
case "zh" :
setLanguage("zh");
break
default:
setLanguage(systemLang);
}
console.log (dict);
console.log(JSON.stringify(dict));

// 切换语言事件
$("#enBtn").bind("click", function () {
setLanguage("en");
});
$("#zhBtn").bind("click", function () {
setLanguage("zh");
});
// $("#applyBtn").bind("click", function () {
//   alert(__tr("a translation test!"));
// });
});
function setLanguage(lang) {
setCookie("lang=" + lang + "; path=/;");
translate(lang);
}
function getCookieVal(name) {
var items = document.cookie.split(";");
for (var i in items) {
var cookie = $.trim(items[i]);
var eqIdx = cookie.indexOf("=");
var key = cookie.substring(0, eqIdx);
if (name == $.trim(key)) {
return $.trim(cookie.substring(eqIdx + 1));
}
}
return null;
}
function setCookie(cookie) {
var Days = 30; //此 cookie 将被保存 30 天
var exp = new Date(); //new Date("December 31, 9998");
exp.setTime(exp.getTime() + Days * 24 * 60 * 60 * 1000);
document.cookie = cookie+ ";expires=" + exp.toGMTString();
}
function translate(lang) {
if(sessionStorage.getItem(lang + "Data") != null){
dict = JSON.parse(sessionStorage.getItem(lang + "Data"));
}else{
loadDict();
}
$("[i18n]").each(function () {
switch (this.tagName.toLowerCase()) {
case "input":
$(this).val(__tr($(this).attr("i18n")));
break;
default:
$(this).text(__tr($(this).attr("i18n")));
}
});
}
function __tr(src) {
return (dict[src] || src);
}
function loadDict() {
var lang = (getCookieVal("lang") || "en");
$.ajax({
async: false,
type: "GET",
url: "/lang/"+lang + ".json",
success: function (msg) {
dict = msg;
sessionStorage.setItem(lang + 'Data', JSON.stringify(dict));
}
});
}
// 遍历所有lang属性的标签赋值
function registerWords() {
$('[i18n]:not(.i18n-replaced').each(function() {
var element = $(this);
element.html(translate(element.attr('i18n')));
element.addClass('i18n-replaced');
});
}

如果json文件类似于"tabSetup":"Set up",它就会工作。如果json文件像"tabSetup":{"message":"Set up"}

函数__tr有错误,像这样修复

function __tr(src) {
return (dict[src].message || src);
}

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