baseurl = 'http://tongda.lingtinghz.com/';

//url   请求方式，  参数  ，是否异步
function httpurl(url,method,params,async) {

    var result = {'code':'0','msg':'请求错误'};
    $.ajax({
        type:method,
        async: async,
        data:params,
        url:baseurl + url,
        datatype:"json",
        success:function(res){
                result = res;
        },
        error:function(){

        }
    });

    return result;
}

// 时间转换
function dat(time){
    var time = new date(time*1000);
    var y = time.getfullyear();
    var m = time.getmonth()+1;
    var m = ("0"+m).slice(-2);
    var d = ("0"+time.getdate()).slice(-2);

    return y+"-"+m+"-"+d;
}

//上传文件
function uploadfile(formdata) {
    var result = {'code':'0','msg':'请求错误'};

    $.ajax({
        url: baseurl + 'api/other/uploadphoto' ,  /*这是处理文件上传的servlet*/
        type: 'post',
        data: formdata,
        async: false,
        cache: false,
        contenttype: false,
        processdata: false,
        success: function (res) {
            console.log(res);
            result = res;
        },
        error: function () {
            alert('网络错误');
        }
    });

    return result;
}

//获取网页参数
function geturlparam(name) {
    var reg = new regexp("(^|&)" + name + "=([^&]*)(&|$)"); //构造一个含有目标参数的正则表达式对象
    var r = window.location.search.substr(1).match(reg);  //匹配目标参数
    if (r != null) return unescape(r[2]); return null; //返回参数值
}

// function lodding_show() {
//     //显示小菊花
//     var $loadingtoast = $('#loadingtoast');
//     if ($loadingtoast.css('display') != 'none') return true;
//     $loadingtoast.fadein(100);
//     return false;
// }
// function lodding_hidden() {
//     //隐藏小菊花
//     var $loadingtoast = $('#loadingtoast');
//     $loadingtoast.fadeout(100);
// }


//判断元素是否在屏幕上
var on_screen_height = 50;
var on_screen_width = 50;
function isonscreen(element) {

    var rect = element.getboundingclientrect();
    var windowheight = window.innerheight || document.documentelement.clientheight;
    var windowwidth = window.innerwidth || document.documentelement.clientwidth;

    var elementheight = element.offsetheight;
    var elementwidth = element.offsetwidth;

    var onscreenheight = on_screen_height > elementheight ? elementheight : on_screen_height;
    var onscreenwidth = on_screen_width > elementwidth ? elementwidth : on_screen_width;

    // 元素在屏幕上方
    var elementbottomtowindowtop = rect.top + elementheight;
    var bottomboundingonscreen = elementbottomtowindowtop >= onscreenheight;

    // 元素在屏幕下方
    var elementtoptowindowbottom = windowheight - (rect.bottom - elementheight);
    var topboundingonscreen = elementtoptowindowbottom >= onscreenheight;

    // 元素在屏幕左侧
    var elementrighttowindowleft = rect.left + elementwidth;
    var rightboundingonscreen = elementrighttowindowleft >= onscreenwidth;

    // 元素在屏幕右侧
    var elementlefttowindowright = windowwidth - (rect.right - elementwidth);
    var leftboundingonscreen = elementlefttowindowright >= onscreenwidth;

    return bottomboundingonscreen && topboundingonscreen && rightboundingonscreen && leftboundingonscreen;
};

//原生js请求
function ajax(options) {
    options = options || {};
    options.type = (options.type || "get").touppercase();
    options.datatype = options.datatype || "json";
    var params = formatparams(options.data);

    //创建 - 非ie6 - 第一步
    if (window.xmlhttprequest) {
        var xhr = new xmlhttprequest();
    } else { //ie6及其以下版本浏览器
        var xhr = new activexobject('microsoft.xmlhttp');
    }

    //接收 - 第三步
    xhr.onreadystatechange = function () {
        if (xhr.readystate == 4) {
            var status = xhr.status;
            if (status >= 200 && status < 300) {
                options.success && options.success(xhr.responsetext, xhr.responsexml);
            } else {
                options.fail && options.fail(status);
            }
        }
    }

    //连接 和 发送 - 第二步
    if (options.type == "get") {
        xhr.open("get", options.url + "?" + params, false);
        xhr.send(null);
    } else if (options.type == "post") {
        xhr.open("post", options.url, false);
        //设置表单提交时的内容类型
        xhr.setrequestheader("content-type", "application/x-www-form-urlencoded");
        xhr.send(params);
    }
}
//格式化参数
function formatparams(data) {
    var arr = [];
    for (var name in data) {
        arr.push(encodeuricomponent(name) + "=" + encodeuricomponent(data[name]));
    }
    arr.push(("v=" + math.random()).replace(".",""));
    return arr.join("&");
}

//获取网站基本信息
if(!sessionstorage.site || eval(sessionstorage.site).time+3600 < date.parse(new date())/1000){
   siteinfo();
}

function siteinfo() {
    ajax({
        url: baseurl + "/api/cms/siteinfo.html",  //请求地址
        type: "get",   //请求方式
        data: {},        //请求参数
        datatype: "json",
        success: function (response, xml) {
            //eval('(' + response + ')');
            sessionstorage.site = '(' + response + ')';
        },
        fail: function (status) {
        }
    });
}

function getsite() {
    return eval(sessionstorage.site).data;
}