util.js
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var SIGN_REGEXP = /([yMdhsm])(\1*)/g;
var DEFAULT_PATTERN = 'yyyy-MM-dd';
/**
* 根据数组 元素的“值” 来删除或者获取数据
* 使用方法arrList.splice(arrList.contains('c'),1)
*/
Array.prototype.contains = function(obj) {
var i = this.length;
while (i--) {
if (this[i] === obj) {
return i; // 返回的这个 i 就是元素的索引下标，
}
}
return false;
}
function padding(s, len) {
len = len - (s + '').length;
for (var i = 0; i < len; i++) { s = '0' + s; }
return s;
}
export default {
getQueryStringByName: function (name) {
var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)", "i");
var r = window.location.search.substr(1).match(reg);
var context = "";
if (r != null)
context = r[2];
reg = null;
r = null;
return context == null || context == "" || context == "undefined" ? "" : context;
},
formatDate: {
format: function (date, pattern) {
pattern = pattern || DEFAULT_PATTERN;
return pattern.replace(SIGN_REGEXP, function ($0) {
switch ($0.charAt(0)) {
case 'y': return padding(date.getFullYear(), $0.length);
case 'M': return padding(date.getMonth() + 1, $0.length);
case 'd': return padding(date.getDate(), $0.length);
case 'w': return date.getDay() + 1;
case 'h': return padding(date.getHours(), $0.length);
case 'm': return padding(date.getMinutes(), $0.length);
case 's': return padding(date.getSeconds(), $0.length);
}
});
},
parse: function (dateString, pattern) {
var matchs1 = pattern.match(SIGN_REGEXP);
var matchs2 = dateString.match(/(\d)+/g);
if (matchs1.length == matchs2.length) {
var _date = new Date(1970, 0, 1);
for (var i = 0; i < matchs1.length; i++) {
var _int = parseInt(matchs2[i]);
var sign = matchs1[i];
switch (sign.charAt(0)) {
case 'y': _date.setFullYear(_int); break;
case 'M': _date.setMonth(_int - 1); break;
case 'd': _date.setDate(_int); break;
case 'h': _date.setHours(_int); break;
case 'm': _date.setMinutes(_int); break;
case 's': _date.setSeconds(_int); break;
}
}
return _date;
}
return null;
}
},
checkNull: params => {
if (params!==null && typeof(params)!="undefined"){
return true;
}else {
return false;
}
}
};