/**
* Created by gaojun-pd on 2016/10/27.
*/
var Util = {
/**
* 1、判断非空
* 2、获取字符串真实长度 汉字算两位
* 3、判断参数类型
* 4、日期格式化
* 5、通过key获取url中的参数值
* 6、设置cookie值
* 7、获取cookie值
* 8、删除cookie
* 9、HTML编码
* 10、HTML解码
* 11、光标停在文字的后面，文本框获得焦点时调用
* 12、生成一个新的GUID
*/
/**
* 判断非空
* @param obj
* @returns {boolean}
*/
isEmpty: function (obj) {
if (obj == undefined || obj == null || new String(obj).trim() == '') {
return true;
} else {
return false;
}
},
/**
* 获取字符串真实长度 汉字算两位
* @param str
* @returns {number}
*/
getRealLength: function (str) {
return isEmpty(str) ? 0 : str.replace(/[^\x00-\xff]/g, "**").length;
},
/**
* 判断参数类型
* @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";
},
/**
* 日期格式化
* @param date 日期对象
* @param formatStr 格式化字符串 如YYYY-MM-dd hh:mm:ss
* @returns {*}
*/
dateFormat: function (date, formatStr) {
var str = formatStr;
var Week = ['日', '一', '二', '三', '四', '五', '六'];
str = str.replace(/yyyy|YYYY/, this.getFullYear());
str = str.replace(/yy|YY/, (this.getYear() % 100) > 9 ? (this.getYear() % 100).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
},
/**
* 通过key获取url中的参数值
* @param key
* @returns {null}
*/
getQueryString: function (key) {
var reg = new RegExp("(^|&)" + key + "=([^&]*)(&|$)", "i");
var r = window.location.search.substr(1).match(reg);
if (r != null) return decodeURIComponent(r[2]);
return null;
},
/**
* 设置cookie值
* @param name 名称
* @param value 名称对应值
* @param Hours 过期时间
*/
setCookie: function (name, value, Hours) {
var d = new Date();
var offset = 8;
var utc = d.getTime() + (d.getTimezoneOffset() * 60000);
var nd = utc + (3600000 * offset);
var exp = new Date(nd);
exp.setTime(exp.getTime() + Hours * 60 * 60 * 1000);
document.cookie = name + "=" + encodeURIComponent(value) + ";path=/;expires=" + exp.toGMTString() + ";domain=sicd.com;";
},
/**
* 获取cookie值
* @param name cookie名
* @returns {*}
*/
getCookie: function (name) {
var arr = document.cookie
.match(new RegExp("(^| )" + name + "=([^;]*)(;|$)"));
if (arr != null)
return decodeURIComponent(arr[2]);
return null;
},
/**
* 删除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编码
* @param str 待编码字符串
* @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解码
* @param str 待解码的字符串
* @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;
},
/**
* 光标停在文字的后面，文本框获得焦点时调用
*/
focusLast: function () {
var e = event.srcElement;
var r = e.createTextRange();
r.moveStart('character', e.value.length);
r.collapse(true);
r.select();
},
/**
* 生成一个新的GUID
* @return {string} 数据类型
* @method nuid
*/
nuid: function () {
return new Date().getTime().toString(36);
}
}
