JS Common tool functions

/** * Created by GAOJUN-PD on 2016/10/27. */var Util = {/** * 1, Judge non-null * 2, get string True length Chinese characters two bits * 3, determine parameter type * 4, date format * 5, get the parameter value in URL by key * 6, set Cookie value * 7, get cookie value * 8, Delete cookie * 9, HTML code * 10, HTML decode * 11, the cursor stops behind the text, the text box gets focus when called * 12, generates a new GUI  D *//** * Determine non-null * @param obj * @returns {boolean} */Isempty:function (obj) {if (obj = = Undefined | | obj = = NULL | |        New String (obj). Trim () = = ') {return true;        } else {return false;        }},/** * Get string True length Chinese characters are counted two bits * @param str * @returns {Number} */Getreallength:function (str) { return IsEmpty (str)?    0:str.replace (/[^\x00-\xff]/g, "* *"). Length; },/** * Determines the parameter type * @param obj * @returns {string} */Type:function (obj) {var class2type = {        }, toString = Object.prototype.toString; (function () {var Typearr = "Boolean,number,string,function,array,dAte,regexp,object ". Split (", ");                for (var i = 0; i < typearr.length; i++) {var name = Typearr[i];            class2type["[Object" + name + "]"] = Name.tolowercase (); }}) () return obj = = null? String (obj): Class2type[tostring.call (obj)] | |    "Object";    },/** * date formatting * @param a Date Date Object * @param formatstr formatted string such as Yyyy-mm-dd Hh:mm:ss * @returns {*} * *        Dateformat:function (date, formatstr) {var str = FORMATSTR;        var Week = [' Day ', ' one ', ' two ', ' three ', ' four ', ' five ', ' six ']; str = str.replace (/yyyy|        yyyy/, This.getfullyear ()); str = str.replace (/yy| yy/, (this.getyear ()%) > 9?        (This.getyear ()%). ToString (): ' 0 ' + (this.getyear ()% 100)); str = str.replace (/mm/, (This.getmonth () + 1) > 9?        (This.getmonth () + 1). ToString (): ' 0 ' + (this.getmonth () + 1));        str = str.replace (/m/g, (This.getmonth () + 1)); str = str.replace (/w|        W/g, Week[this.getday ()]); StR = str.replace (/dd| Dd/, This.getdate () > 9?        This.getdate (). toString (): ' 0 ' + this.getdate ()); str = str.replace (/d|        D/g, This.getdate ()); str = str.replace (/hh| hh/, This.gethours () > 9?        This.gethours (). toString (): ' 0 ' + this.gethours ()); str = str.replace (/h|        H/g, This.gethours ());        str = str.replace (/mm/, This.getminutes () > 9? this.getminutes (). toString (): ' 0 ' + this.getminutes ());        str = str.replace (/m/g, This.getminutes ()); str = str.replace (/ss| ss/, This.getseconds () > 9?        This.getseconds (). toString (): ' 0 ' + this.getseconds ()); str = str.replace (/s|        S/g, This.getseconds ()); Return str},/** * Gets the parameter value in the URL by key * @param key * @returns {NULL} */Getquerystring:function (k        EY) {var reg = new RegExp ("(^|&)" + key + "= ([^&]*) (&|$)", "I");        var r = window.location.search.substr (1). Match (REG);        if (r! = null) return decodeURIComponent (r[2]);  return null;  },/** * Set cookie value * @param name name * @param value name corresponds to values * @param Hours Expiration Time */Setcookie:fun        Ction (name, value, Hours) {var d = new Date ();        var offset = 8;        var UTC = D.gettime () + (D.gettimezoneoffset () * 60000);        var nd = UTC + (3600000 * offset);        var exp = new Date (ND);        Exp.settime (Exp.gettime () + Hours * 60 * 60 * 1000);    Document.cookie = name + "=" + encodeuricomponent (value) + ";p ath=/;expires=" + exp.togmtstring () + ";d omain=sicd.com;"; },/** * Get cookie Value * @param name Cookie name * @returns {*} */getcookie:function (name) {VA R arr = document.cookie. Match (New RegExp ("(^|)" + name + "= ([^;]        *)(;|$)"));        if (arr! = null) return decodeURIComponent (arr[2]);    return null;         },/** * Delete cookie * @param name Cookie name */delcookie:function (name) {var exp = new Date ();        Exp.settime (Exp.gettime ()-1); VAr cval = GetCookie (name);    if (cval! = null) Document.cookie = name + "=" + Cval + "; expires=" + exp.togmtstring (); },/** * HTML encoding * @param str to encode String * @returns {string} */Html_encode:function (str) {var        s = "";        if (Str.length = = 0) return "";        s = str.replace (/&/g, ">");        s = S.replace (/</g, "<");        s = S.replace (/>/g, ">");        s = s.replace (//g, " ");        s = s.replace (/\ '/g, "'");        s = s.replace (/\ "/g," "" ");        s = S.replace (/\n/g, "<br>");    return s;  },/** * HTML decoding * @param str string to decode * @returns {string} */Html_decode:function (str) {var        s = "";        if (Str.length = = 0) return "";        s = str.replace (/>/g, "&");        s = S.replace (/</g, "<");        s = S.replace (/>/g, ">");        s = S.replace (/ /g, "");        s = s.replace (/'/g, "\ '");        s = s.replace (/"/g," \ ""); S= S.replace (/<br>/g, "\ n");    return s;        },/** * Cursor stops after the text, the text box gets focus when called */Focuslast:function () {var e = event.srcelement;        var r = E.createtextrange ();        R.movestart (' character ', e.value.length);        R.collapse (TRUE);    R.select (); },/** * generates a new GUID * @return {string} data type * @method nuID */nuid:function () {return new    Date (). GetTime (). toString (36); }}

　　

JS Common tool functions