十个常用的自定义过滤器
//去除空格 type 1-所有空格 2-前后空格 3-前空格 4-后空格
function trim(value, trim) {
switch (trim) {
case 1:
return value.replace(/\s+/g, "");
case 2:
return value.replace(/(^\s*)|(\s*$)/g, "");
case 3:
return value.replace(/(^\s*)/g, "");
case 4:
return value.replace(/(\s*$)/g, "");
default:
return value;
}}//任意格式日期处理//使用格式：
// {{ '2018-09-14 01:05' | formaDate(yyyy-MM-dd hh:mm:ss) }}
// {{ '2018-09-14 01:05' | formaDate(yyyy-MM-dd) }}
// {{ '2018-09-14 01:05' | formaDate(MM/dd) }} 等
function formaDate(value, fmt) {
var date = new Date(value);
var o = {
"M+": date.getMonth() + 1, //月份
"d+": date.getDate(), //日
"h+": date.getHours(), //小时
"m+": date.getMinutes(), //分
"s+": date.getSeconds(), //秒
"w+": date.getDay(), //星期
"q+": Math.floor((date.getMonth() + 3) / 3), //季度
"S": date.getMilliseconds() //毫秒
};
if (/(y+)/.test(fmt)) fmt = fmt.replace(RegExp.$1, (date.getFullYear() + "").substr(4 - RegExp.$1.length));
for (var k in o) {
if(k === 'w+') {
if(o[k] === 0) {
fmt = fmt.replace('w', '周日');
}else if(o[k] === 1) {
fmt = fmt.replace('w', '周一');
}else if(o[k] === 2) {
fmt = fmt.replace('w', '周二');
}else if(o[k] === 3) {
fmt = fmt.replace('w', '周三');
}else if(o[k] === 4) {
fmt = fmt.replace('w', '周四');
}else if(o[k] === 5) {
fmt = fmt.replace('w', '周五');
}else if(o[k] === 6) {
fmt = fmt.replace('w', '周六');
}
}else if (new RegExp("(" + k + ")").test(fmt)) {
fmt = fmt.replace(RegExp.$1, (RegExp.$1.length == 1) ? (o[k]) : (("00" + o[k]).substr(("" + o[k]).length)));
}
}
return fmt;
}//字母大小写切换/*type
1:首字母大写
2：首页母小写
3：大小写转换
4：全部大写
5：全部小写
* */function changeCase(str, type) {
function ToggleCase(str) {
var itemText = ""
str.split("").forEach(
function (item) {
if (/^([a-z]+)/.test(item)) {
itemText += item.toUpperCase();
} else if (/^([A-Z]+)/.test(item)) {
itemText += item.toLowerCase();
} else {
itemText += item;
}
});
return itemText;
}
switch (type) {
case 1:
return str.replace(/\b\w+\b/g, function (word) {
return word.substring(0, 1).toUpperCase() + word.substring(1).toLowerCase();
});
case 2:
return str.replace(/\b\w+\b/g, function (word) {
return word.substring(0, 1).toLowerCase() + word.substring(1).toUpperCase();
});
case 3:
return ToggleCase(str);
case 4:
return str.toUpperCase();
case 5:
return str.toLowerCase();
default:
return str;
}}
//字符串循环复制,count->次数function repeatStr(str, count) {
var text = '';
for (var i = 0; i < count; i++) {
text += str;
}
return text;}//字符串替换function replaceAll(str, AFindText, ARepText) {
raRegExp = new RegExp(AFindText, "g");
return str.replace(raRegExp, ARepText);}//字符替换*，隐藏手机号或者身份证号等//replaceStr(字符串,字符格式, 替换方式,替换的字符（默认*）)//ecDo.replaceStr('18819322663',[3,5,3],0)//result：188*****663//ecDo.replaceStr('asdasdasdaa',[3,5,3],1)//result：***asdas***//ecDo.replaceStr('1asd88465asdwqe3',[5],0)//result：*****8465asdwqe3//ecDo.replaceStr('1asd88465asdwqe3',[5],1,'+')//result："1asd88465as+++++"function replaceStr(str, regArr, type, ARepText) {
var regtext = '',
Reg = null,
replaceText = ARepText || '*';
//repeatStr是在上面定义过的（字符串循环复制），大家注意哦
if (regArr.length === 3 && type === 0) {
regtext = '(\\w{' + regArr[0] + '})\\w{' + regArr[1] + '}(\\w{' + regArr[2] + '})'
Reg = new RegExp(regtext);
var replaceCount = this.repeatStr(replaceText, regArr[1]);
return str.replace(Reg, '$1' + replaceCount + '$2')
}
else if (regArr.length === 3 && type === 1) {
regtext = '\\w{' + regArr[0] + '}(\\w{' + regArr[1] + '})\\w{' + regArr[2] + '}'
Reg = new RegExp(regtext);
var replaceCount1 = this.repeatStr(replaceText, regArr[0]);
var replaceCount2 = this.repeatStr(replaceText, regArr[2]);
return str.replace(Reg, replaceCount1 + '$1' + replaceCount2)
}
else if (regArr.length === 1 && type === 0) {
regtext = '(^\\w{' + regArr[0] + '})'
Reg = new RegExp(regtext);
var replaceCount = this.repeatStr(replaceText, regArr[0]);
return str.replace(Reg, replaceCount)
}
else if (regArr.length === 1 && type === 1) {
regtext = '(\\w{' + regArr[0] + '}$)'
Reg = new RegExp(regtext);
var replaceCount = this.repeatStr(replaceText, regArr[0]);
return str.replace(Reg, replaceCount)
}}//格式化处理字符串//ecDo.formatText('1234asda567asd890')
//result："12,34a,sda,567,asd,890"
//ecDo.formatText('1234asda567asd890',4,' ')
//result："1 234a sda5 67as d890"
//ecDo.formatText('1234asda567asd890',4,'-')
//result："1-234a-sda5-67as-d890"
function formatText(str, size, delimiter) {
var _size = size || 3, _delimiter = delimiter || ',';
var regText = '\\B(?=(\\w{' + _size + '})+(?!\\w))';
var reg = new RegExp(regText, 'g');
return str.replace(reg, _delimiter);
}//现金额大写转换函数//ecDo.upDigit(168752632)
//result："人民币壹亿陆仟捌佰柒拾伍万贰仟陆佰叁拾贰元整"
//ecDo.upDigit(1682)
//result："人民币壹仟陆佰捌拾贰元整"
//ecDo.upDigit(-1693)
//result："欠人民币壹仟陆佰玖拾叁元整"
function upDigit(n) {
var fraction = ['角', '分', '厘'];
var digit = ['零', '壹', '贰', '叁', '肆', '伍', '陆', '柒', '捌', '玖'];
var unit = [
['元', '万', '亿'],
['', '拾', '佰', '仟']
];
var head = n < 0 ? '欠人民币' : '人民币';
n = Math.abs(n);
var s = '';
for (var i = 0; i < fraction.length; i++) {
s += (digit[Math.floor(n * 10 * Math.pow(10, i)) % 10] + fraction[i]).replace(/零./, '');
}
s = s || '整';
n = Math.floor(n);
for (var i = 0; i < unit[0].length && n > 0; i++) {
var p = '';
for (var j = 0; j < unit[1].length && n > 0; j++) {
p = digit[n % 10] + unit[1][j] + p;
n = Math.floor(n / 10);
}
s = p.replace(/(零.)*零$/, '').replace(/^$/, '零') + unit[0][i] + s;
//s = p + unit[0][i] + s;
}
return head + s.replace(/(零.)*零元/, '元').replace(/(零.)+/g, '零').replace(/^整$/, '零元整');}//保留2位小数
function toDecimal2(x){
var f = parseFloat(x);
if (isNaN(f)) {
return false;
}
var f = Math.round(x * 100) / 100;
var s = f.toString();
var rs = s.indexOf('.');
if (rs < 0) {
rs = s.length;
s += '.';
}
while (s.length <= rs + 2) {
s += '0';
}
return s;}export{
trim,
changeCase,
repeatStr,
replaceAll,
replaceStr,
checkPwd,
formatText,
upDigit,
toDecimal2,
formaDate}版权声明：本文由Web学习之路发布，如需转载请注明出处。
