javascript 常用方法

///生成GUID方法
function newGuid() {
    var guid = "";
    for (var i = 1; i <= 32; i++) {
        var n = Math.floor(Math.random() * 16.0).toString(16);
        guid += n;
        if ((i == 8) || (i == 12) || (i == 16) || (i == 20))
            guid += "-";
    }
    return guid;
}
//生成GUID
function S4() {
    return (((1 + Math.random()) * 0x10000) | 0).toString(16).substring(1);
}
function NewGuid() {
    return (S4() + S4() + "-" + S4() + "-" + S4() + "-" + S4() + "-" + S4() + S4() + S4());
}

 
function lrtrim(value) {
    return value.replace(/(^s*)|(s*$)/g, '');
}

//获取当前页面的Action
function getCurrentAction() {
    var thisHREF = document.location.href;
    var tmpHPage = thisHREF.split("/");
    var currentPage = null == tmpHPage[tmpHPage.length - 1] ? "" : tmpHPage[tmpHPage.length - 1].split("?")[0].split("#")[0];
    return currentPage;
}

//获取URL中的参数 name为参数名称
function getQueryString(name) {
    var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)", "i");
    var r = window.location.search.substr(1).match(reg);
    if (r != null) return unescape(r[2]);
    return null;
}

/**
* 异步获取数据
* @url                         请求的地址
* example: 'http://www.baidu.com?keyword=name'
* @type                      请求方式
* example:'post' 或 'get'
* @data                      发送给服务器的数据
* example:{'name':'tom','age':20}
* @sucCallbackFunc     执行成功后的回调函数
* example:function(data, textStatus){}
* @comCallbackFunc   请求完成后的回调函数
* example:function(xmlHttpRequest, textStatus){}
* @errCallbackFunc     请求失败后的回调函数
* example:function(xmlHttpRequest, textStatus, errorThrown){}
*/
function getDataAsync(url, type, data, sucCallbackFunc, comCallbackFunc, errCallbackFunc) {
    if (url.indexOf("?") >= 0) {
        url = url + "&random=" + Math.random();
    } else {
        url = url + "?random=" + Math.random();
    }
    $.ajax({
        url: url,
        type: type,
        data: data,
        dataType: "json",
        timeout: 15000,
        success: function (data, textStatus) {
            if (sucCallbackFunc) {
                sucCallbackFunc(data, textStatus);
            }

        },
        complete: function (xmlHttpRequest, textStatus) {
            if (comCallbackFunc) {
                comCallbackFunc(xmlHttpRequest, textStatus);
            }
        },
        error: function (xmlHttpRequest, textStatus, errorThrown) {
            if (errCallbackFunc) {
                errCallbackFunc(xmlHttpRequest, textStatus, errorThrown);
            }
            showTipsMsg("数据请求失败，请尝试重新操作！", 4000, 'e');
        }
    });
}

/**
* 同步获取数据
* @url                         请求的地址
* example: 'http://www.baidu.com?keyword=name'
* @type                      请求方式
* example:'post' 或 'get'
* @data                      发送给服务器的数据
* example:{'name':'tom','age':20}
* @sucCallbackFunc     执行成功后的回调函数
* example:function(data, textStatus){}
* @comCallbackFunc   请求完成后的回调函数
* example:function(xmlHttpRequest, textStatus){}
* @errCallbackFunc     请求失败后的回调函数
* example:function(xmlHttpRequest, textStatus, errorThrown){}
*/
function getDataSync(url, type, data, sucCallbackFunc, comCallbackFunc, errCallbackFunc) {
    if (url.indexOf("?") >= 0) {
        url = url + "&random=" + Math.random();
    } else {
        url = url + "?random=" + Math.random();
    }
    $.ajax({
        url: url,
        type: type,
        data: data,
        dataType: "json",
        async: false,
        success: function (data, textStatus) {
            if (sucCallbackFunc) {
                sucCallbackFunc(data, textStatus);
            }
        },
        complete: function (xmlHttpRequest, textStatus) {
            if (comCallbackFunc) {
                comCallbackFunc(xmlHttpRequest, textStatus);
            }
        },
        error: function (xmlHttpRequest, textStatus, errorThrown) {
            if (errCallbackFunc) {
                errCallbackFunc(xmlHttpRequest, textStatus, errorThrown);
            }
            $.messager.show({
                title: '系统提示',
                msg: '数据请求失败，请尝试重新操作！',
                showType: 'fade',
                draggable: true,
                style: {
                    left: '',
                    right: 0,
                    bottom: ''
                }
            });
        }
    });
}

/**
* 操作状态提示
* @msg                       提示信息
* example: '提交成功！'
* @time                      显示时间
* example: 4000
* @type                      提示类型
* example: 's':操作成功;'e':操作失败;'w':操作警告
*/
function showTipsMsg(msg, time, type) {
    if (type == 's') {
        top.showTopMsg(msg, time, 'success');
    } else if (type == 'e') {
        top.showTopMsg(msg, time, 'error');
    } else if (type == 'w') {

        top.showTopMsg(msg, time, 'warning');
    }
}

function showTopMsg(msg, time, type) {
    MsgTips(time, msg, 300, type);
}

function MsgTips(timeOut, msg, speed, type) {
    $(".tip_container").remove();
    var bid = parseInt(Math.random() * 100000);
    $("body").prepend('<div id="tip_container' + bid + '" class="container tip_container"><div id="tip' + bid + '" class="mtip"><span id="tsc' + bid + '"></span></div></div>');
    var $this = $(this);
    var $tip_container = $("#tip_container" + bid);
    var $tip = $("#tip" + bid);
    var $tipSpan = $("#tsc" + bid);
    clearTimeout(window.timer);
    $tip.attr("class", type).addClass("mtip");
    $tipSpan.html(msg);
    $tip_container.slideDown(speed);
    window.timer = setTimeout(function () {
        $tip_container.slideUp(speed);
        $(".tip_container").remove();
    }, timeOut);
    $tip_container.live("mouseover", function () {
        clearTimeout(window.timer);
    });
    $tip_container.live("mouseout", function () {
        window.timer = setTimeout(function () {
            $tip_container.slideUp(speed);
            $(".tip_container").remove();
        }, timeOut);
    });
    $("#tip_container" + bid).css("left", ($(window).width() - $("#tip_container" + bid).width()) / 2);
}

//删除数组中指定索引位置的元素
Array.prototype.remove = function (index) {
    if (isNaN(index) || index >= this.length || this.length == 0 || index<0) {
        return false;
    }
    for (var i = 0, n = 0; i < this.length; i++) {
        if (this[i] != this[index]) {
            this[n++] = this[i]
        }
    }
    this.length -= 1
}

//获取某元素在数组中的位置
Array.prototype.indexOf = function (value, field) {
    var index = -1;
    if (field) {
        for (var i = 0; i < this.length; i++) {
            if (eval("this[i]." + field) == eval("value." + field)) {
                index = i;
                break;
            }
        }
    }
    else {
        for (var i = 0; i < this.length; i++) {
            if (this[i] == value) {
                index = i;
                break;
            }
        }
    }
    return index;
}

function dicHelper(options) {
   
}