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@@ -92,6 +92,18 @@ exports.upperCase = (str) => { | @@ -92,6 +92,18 @@ exports.upperCase = (str) => { | ||
92 | return str.toUpperCase(); | 92 | return str.toUpperCase(); |
93 | }; | 93 | }; |
94 | 94 | ||
95 | + | ||
96 | +/** | ||
97 | + * 四舍五入 | ||
98 | + * @param {[type]} num 数字 | ||
99 | + * @param {[type]} precision 精度 | ||
100 | + * @return {[type]} | ||
101 | + */ | ||
102 | +exports.round = (num, precision) => { | ||
103 | + precision = precision || 2; | ||
104 | + return _.round(num, precision); | ||
105 | +}; | ||
106 | + | ||
95 | /** | 107 | /** |
96 | * 时间格式化 | 108 | * 时间格式化 |
97 | * @param format 格式化token @see{http://momentjs.cn/docs/#/displaying/format/} | 109 | * @param format 格式化token @see{http://momentjs.cn/docs/#/displaying/format/} |
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