@whitesev/pops
Version:
弹窗库，包含了alert、confirm、prompt、drawer、folder、loading、iframe、panel、tooltip、searchSuggestion、rightClickMenu组件
72 lines (71 loc) • 2.02 kB
text/typescript
export const PopsMathFloatUtils = {
/**
* 判断数字是否是浮点数
* @param num
*/
isFloat(num: number): boolean {
return Number(num) === num && num % 1 !== 0;
},
/**
* 浮点数加法
* @param number1
* @param number2
*/
add(number1: number, number2: number) {
let number1length, number2length;
try {
number1length = number1.toString().split(".")[1].length;
} catch {
number1length = 0;
}
try {
number2length = number2.toString().split(".")[1].length;
} catch {
number2length = 0;
}
const powValue = Math.pow(10, Math.max(number1length, number2length));
return Math.round(number1 * powValue + number2 * powValue) / powValue;
},
/**
* 减法
* @param number1
* @param number2
*/
sub(number1: number, number2: number) {
let number1length, number2length;
try {
number1length = number1.toString().split(".")[1].length;
} catch {
number1length = 0;
}
try {
number2length = number2.toString().split(".")[1].length;
} catch {
number2length = 0;
}
const powValue = Math.pow(10, Math.max(number1length, number2length));
const fixedValue = number1length >= number2length ? number1length : number2length;
return (Math.round(number1 * powValue - number2 * powValue) / powValue).toFixed(fixedValue);
},
/**
* 除法
* @param number1
* @param number2
*/
division(number1: number, number2: number) {
let number1length, number2length;
try {
number1length = number1.toString().split(".")[1].length;
} catch {
number1length = 0;
}
try {
number2length = number2.toString().split(".")[1].length;
} catch {
number2length = 0;
}
const number1ReplaceValue = Number(number1.toString().replace(".", ""));
const number2ReplaceValue = Number(number2.toString().replace(".", ""));
return (number1ReplaceValue / number2ReplaceValue) * Math.pow(10, number2length - number1length);
},
};