Commit f0f9112d764caecc99353d0dcdc5d32dd24332e3
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mathutil add
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platform-operate-api/src/main/java/com/lyms/platform/operate/web/utils/MathUtil.java
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f0f9112
| 1 | +package com.lyms.platform.operate.web.utils; | |
| 2 | + | |
| 3 | +import java.text.DecimalFormat; | |
| 4 | + | |
| 5 | +/** | |
| 6 | + * @Author: litao | |
| 7 | + * @Date: 2017/4/20 0020 14:40 | |
| 8 | + * @Version: V1.0 | |
| 9 | + */ | |
| 10 | +public class MathUtil { | |
| 11 | + | |
| 12 | + /** | |
| 13 | + * 整数相除 保留六位小数 | |
| 14 | + * @param a | |
| 15 | + * @param b | |
| 16 | + * @return | |
| 17 | + */ | |
| 18 | + public static String division(int a ,int b){ | |
| 19 | + float num =(float)a/b; | |
| 20 | + DecimalFormat df = new DecimalFormat("0.000000"); | |
| 21 | + return df.format(num); | |
| 22 | + } | |
| 23 | + | |
| 24 | + public static String division(String a ,String b){ | |
| 25 | + return division(Integer.valueOf(a), Integer.valueOf(b)); | |
| 26 | + } | |
| 27 | + | |
| 28 | + /** | |
| 29 | + * 格式化dubbo类型数据 保留2位 | |
| 30 | + * @param d | |
| 31 | + * @return | |
| 32 | + */ | |
| 33 | + public static String doubleFormat(Double d) { | |
| 34 | + DecimalFormat df = new DecimalFormat("######0.00"); | |
| 35 | + return df.format(d); | |
| 36 | + } | |
| 37 | + | |
| 38 | +} |