标签:break stack value mat att git str replace flow
/// https://stackoverflow.com/a/9462382
nFormatter(dynamic num, [int digits]) {
var si = [
{‘value‘: 1, ‘symbol‘: ‘‘},
{‘value‘: 1e3, ‘symbol‘: ‘k‘},
{‘value‘: 1e6, ‘symbol‘: ‘M‘},
{‘value‘: 1e9, ‘symbol‘: ‘G‘},
{‘value‘: 1e12, ‘symbol‘: ‘T‘},
{‘value‘: 1e15, ‘symbol‘: ‘P‘},
{‘value‘: 1e18, ‘symbol‘: ‘E‘},
];
var rx = RegExp(r‘\.0+$|(\.[0-9]*[1-9])0+$‘);
var i;
for (i = si.length - 1; i > 0; i--) {
if (num.abs() >= si[i][‘value‘]) {
break;
}
}
return (num / si[i][‘value‘]).toStringAsFixed(digits).replaceAll(rx, ‘‘) +
si[i][‘symbol‘];
}
}
标签:break stack value mat att git str replace flow
原文地址:https://www.cnblogs.com/teemwu/p/12640349.html